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authorAnton Khirnov <anton@khirnov.net>2014-06-09 14:21:56 +0200
committerAnton Khirnov <anton@khirnov.net>2014-06-18 14:55:28 +0200
commit894682a9739eb8d4bfc024b0d4e5757fcfe47378 (patch)
tree90ef81afc38381df7e8c54bd7e5d4c34b1b364e7
parentf2ce63246f5c934429f9cb857a794e07624d7912 (diff)
downloadffmpeg-streaming-894682a9739eb8d4bfc024b0d4e5757fcfe47378.zip
ffmpeg-streaming-894682a9739eb8d4bfc024b0d4e5757fcfe47378.tar.gz
Remove avserver.
It has not been properly maintained for years and there is little hope of that changing in the future. It appears simpler to write a new replacement from scratch than unbreaking it.
-rw-r--r--.gitignore1
-rw-r--r--Changelog1
-rw-r--r--Makefile3
-rw-r--r--avserver.c4685
-rwxr-xr-xconfigure10
-rw-r--r--doc/avserver.conf372
-rw-r--r--doc/avserver.texi276
-rw-r--r--doc/general.texi1
-rw-r--r--libavformat/Makefile2
-rw-r--r--libavformat/allformats.c1
-rw-r--r--libavformat/ffm.h59
-rw-r--r--libavformat/ffmdec.c483
-rw-r--r--libavformat/ffmenc.c249
-rw-r--r--tests/fate/avformat.mak1
-rw-r--r--tests/fate/seek.mak2
-rwxr-xr-xtests/lavf-regression.sh4
-rw-r--r--tests/ref/lavf/ffm3
-rw-r--r--tests/ref/seek/lavf-ffm53
18 files changed, 7 insertions, 6199 deletions
diff --git a/.gitignore b/.gitignore
index c8a76d0..584ff94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,7 +24,6 @@
/avconv
/avplay
/avprobe
-/avserver
/config.*
/coverage.info
/version.h
diff --git a/Changelog b/Changelog
index f157f7d..bfdd8d1 100644
--- a/Changelog
+++ b/Changelog
@@ -27,6 +27,7 @@ version <next>:
- libbs2b-based stereo-to-binaural audio filter
- native Opus decoder
- display matrix export and rotation api
+- drop avserver, it was unmaintained for years and largely broken
version 10:
diff --git a/Makefile b/Makefile
index 71c068c..6302997 100644
--- a/Makefile
+++ b/Makefile
@@ -63,12 +63,11 @@ COMPILE_HOSTC = $(call COMPILE,HOSTCC)
AVPROGS-$(CONFIG_AVCONV) += avconv
AVPROGS-$(CONFIG_AVPLAY) += avplay
AVPROGS-$(CONFIG_AVPROBE) += avprobe
-AVPROGS-$(CONFIG_AVSERVER) += avserver
AVPROGS := $(AVPROGS-yes:%=%$(EXESUF))
PROGS += $(AVPROGS)
-AVBASENAMES = avconv avplay avprobe avserver
+AVBASENAMES = avconv avplay avprobe
ALLAVPROGS = $(AVBASENAMES:%=%$(EXESUF))
$(foreach prog,$(AVBASENAMES),$(eval OBJS-$(prog) += cmdutils.o))
diff --git a/avserver.c b/avserver.c
deleted file mode 100644
index 56bcda9..0000000
--- a/avserver.c
+++ /dev/null
@@ -1,4685 +0,0 @@
-/*
- * Multiple format streaming server
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "config.h"
-#if !HAVE_CLOSESOCKET
-#define closesocket close
-#endif
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include "libavformat/avformat.h"
-// FIXME those are internal headers, avserver _really_ shouldn't use them
-#include "libavformat/ffm.h"
-#include "libavformat/network.h"
-#include "libavformat/os_support.h"
-#include "libavformat/rtpdec.h"
-#include "libavformat/rtpproto.h"
-#include "libavformat/rtsp.h"
-#include "libavformat/avio_internal.h"
-#include "libavformat/internal.h"
-#include "libavformat/url.h"
-
-#include "libavutil/avstring.h"
-#include "libavutil/lfg.h"
-#include "libavutil/dict.h"
-#include "libavutil/intreadwrite.h"
-#include "libavutil/mathematics.h"
-#include "libavutil/random_seed.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/opt.h"
-#include "libavutil/time.h"
-
-#include <stdarg.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#if HAVE_POLL_H
-#include <poll.h>
-#endif
-#include <errno.h>
-#include <time.h>
-#include <sys/wait.h>
-#include <signal.h>
-
-#include "cmdutils.h"
-
-const char program_name[] = "avserver";
-const int program_birth_year = 2000;
-
-static const OptionDef options[];
-
-enum HTTPState {
- HTTPSTATE_WAIT_REQUEST,
- HTTPSTATE_SEND_HEADER,
- HTTPSTATE_SEND_DATA_HEADER,
- HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
- HTTPSTATE_SEND_DATA_TRAILER,
- HTTPSTATE_RECEIVE_DATA,
- HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
- HTTPSTATE_READY,
-
- RTSPSTATE_WAIT_REQUEST,
- RTSPSTATE_SEND_REPLY,
- RTSPSTATE_SEND_PACKET,
-};
-
-static const char *http_state[] = {
- "HTTP_WAIT_REQUEST",
- "HTTP_SEND_HEADER",
-
- "SEND_DATA_HEADER",
- "SEND_DATA",
- "SEND_DATA_TRAILER",
- "RECEIVE_DATA",
- "WAIT_FEED",
- "READY",
-
- "RTSP_WAIT_REQUEST",
- "RTSP_SEND_REPLY",
- "RTSP_SEND_PACKET",
-};
-
-#define MAX_STREAMS 20
-
-#define IOBUFFER_INIT_SIZE 8192
-
-/* timeouts are in ms */
-#define HTTP_REQUEST_TIMEOUT (15 * 1000)
-#define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
-
-#define SYNC_TIMEOUT (10 * 1000)
-
-typedef struct RTSPActionServerSetup {
- uint32_t ipaddr;
- char transport_option[512];
-} RTSPActionServerSetup;
-
-typedef struct {
- int64_t count1, count2;
- int64_t time1, time2;
-} DataRateData;
-
-/* context associated with one connection */
-typedef struct HTTPContext {
- enum HTTPState state;
- int fd; /* socket file descriptor */
- struct sockaddr_in from_addr; /* origin */
- struct pollfd *poll_entry; /* used when polling */
- int64_t timeout;
- uint8_t *buffer_ptr, *buffer_end;
- int http_error;
- int post;
- int chunked_encoding;
- int chunk_size; /* 0 if it needs to be read */
- struct HTTPContext *next;
- int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
- int64_t data_count;
- /* feed input */
- int feed_fd;
- /* input format handling */
- AVFormatContext *fmt_in;
- int64_t start_time; /* In milliseconds - this wraps fairly often */
- int64_t first_pts; /* initial pts value */
- int64_t cur_pts; /* current pts value from the stream in us */
- int64_t cur_frame_duration; /* duration of the current frame in us */
- int cur_frame_bytes; /* output frame size, needed to compute
- the time at which we send each
- packet */
- int pts_stream_index; /* stream we choose as clock reference */
- int64_t cur_clock; /* current clock reference value in us */
- /* output format handling */
- struct FFStream *stream;
- /* -1 is invalid stream */
- int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
- int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
- int switch_pending;
- AVFormatContext fmt_ctx; /* instance of FFStream for one user */
- int last_packet_sent; /* true if last data packet was sent */
- int suppress_log;
- DataRateData datarate;
- int wmp_client_id;
- char protocol[16];
- char method[16];
- char url[128];
- int buffer_size;
- uint8_t *buffer;
- int is_packetized; /* if true, the stream is packetized */
- int packet_stream_index; /* current stream for output in state machine */
-
- /* RTSP state specific */
- uint8_t *pb_buffer; /* XXX: use that in all the code */
- AVIOContext *pb;
- int seq; /* RTSP sequence number */
-
- /* RTP state specific */
- enum RTSPLowerTransport rtp_protocol;
- char session_id[32]; /* session id */
- AVFormatContext *rtp_ctx[MAX_STREAMS];
-
- /* RTP/UDP specific */
- URLContext *rtp_handles[MAX_STREAMS];
-
- /* RTP/TCP specific */
- struct HTTPContext *rtsp_c;
- uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
-} HTTPContext;
-
-/* each generated stream is described here */
-enum StreamType {
- STREAM_TYPE_LIVE,
- STREAM_TYPE_STATUS,
- STREAM_TYPE_REDIRECT,
-};
-
-enum IPAddressAction {
- IP_ALLOW = 1,
- IP_DENY,
-};
-
-typedef struct IPAddressACL {
- struct IPAddressACL *next;
- enum IPAddressAction action;
- /* These are in host order */
- struct in_addr first;
- struct in_addr last;
-} IPAddressACL;
-
-/* description of each stream of the avserver.conf file */
-typedef struct FFStream {
- enum StreamType stream_type;
- char filename[1024]; /* stream filename */
- struct FFStream *feed; /* feed we are using (can be null if
- coming from file) */
- AVDictionary *in_opts; /* input parameters */
- AVInputFormat *ifmt; /* if non NULL, force input format */
- AVOutputFormat *fmt;
- IPAddressACL *acl;
- char dynamic_acl[1024];
- int nb_streams;
- int prebuffer; /* Number of millseconds early to start */
- int64_t max_time; /* Number of milliseconds to run */
- int send_on_key;
- AVStream *streams[MAX_STREAMS];
- int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
- char feed_filename[1024]; /* file name of the feed storage, or
- input file name for a stream */
- char author[512];
- char title[512];
- char copyright[512];
- char comment[512];
- pid_t pid; /* of avconv process */
- time_t pid_start; /* of avconv process */
- char **child_argv;
- struct FFStream *next;
- unsigned bandwidth; /* bandwidth, in kbits/s */
- /* RTSP options */
- char *rtsp_option;
- /* multicast specific */
- int is_multicast;
- struct in_addr multicast_ip;
- int multicast_port; /* first port used for multicast */
- int multicast_ttl;
- int loop; /* if true, send the stream in loops (only meaningful if file) */
-
- /* feed specific */
- int feed_opened; /* true if someone is writing to the feed */
- int is_feed; /* true if it is a feed */
- int readonly; /* True if writing is prohibited to the file */
- int truncate; /* True if feeder connection truncate the feed file */
- int conns_served;
- int64_t bytes_served;
- int64_t feed_max_size; /* maximum storage size, zero means unlimited */
- int64_t feed_write_index; /* current write position in feed (it wraps around) */
- int64_t feed_size; /* current size of feed */
- struct FFStream *next_feed;
-} FFStream;
-
-typedef struct FeedData {
- long long data_count;
- float avg_frame_size; /* frame size averaged over last frames with exponential mean */
-} FeedData;
-
-static struct sockaddr_in my_http_addr;
-static struct sockaddr_in my_rtsp_addr;
-
-static char logfilename[1024];
-static HTTPContext *first_http_ctx;
-static FFStream *first_feed; /* contains only feeds */
-static FFStream *first_stream; /* contains all streams, including feeds */
-
-static void new_connection(int server_fd, int is_rtsp);
-static void close_connection(HTTPContext *c);
-
-/* HTTP handling */
-static int handle_connection(HTTPContext *c);
-static int http_parse_request(HTTPContext *c);
-static int http_send_data(HTTPContext *c);
-static void compute_status(HTTPContext *c);
-static int open_input_stream(HTTPContext *c, const char *info);
-static int http_start_receive_data(HTTPContext *c);
-static int http_receive_data(HTTPContext *c);
-
-/* RTSP handling */
-static int rtsp_parse_request(HTTPContext *c);
-static void rtsp_cmd_describe(HTTPContext *c, const char *url);
-static void rtsp_cmd_options(HTTPContext *c, const char *url);
-static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPMessageHeader *h);
-static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h);
-static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h);
-static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h);
-
-/* SDP handling */
-static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
- struct in_addr my_ip);
-
-/* RTP handling */
-static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
- FFStream *stream, const char *session_id,
- enum RTSPLowerTransport rtp_protocol);
-static int rtp_new_av_stream(HTTPContext *c,
- int stream_index, struct sockaddr_in *dest_addr,
- HTTPContext *rtsp_c);
-
-static const char *my_program_name;
-
-static const char *config_filename;
-
-static int avserver_debug;
-static int no_launch;
-static int need_to_start_children;
-
-/* maximum number of simultaneous HTTP connections */
-static unsigned int nb_max_http_connections = 2000;
-static unsigned int nb_max_connections = 5;
-static unsigned int nb_connections;
-
-static uint64_t max_bandwidth = 1000;
-static uint64_t current_bandwidth;
-
-static int64_t cur_time; // Making this global saves on passing it around everywhere
-
-static AVLFG random_state;
-
-static FILE *logfile = NULL;
-
-static int64_t ffm_read_write_index(int fd)
-{
- uint8_t buf[8];
-
- lseek(fd, 8, SEEK_SET);
- if (read(fd, buf, 8) != 8)
- return AVERROR(EIO);
- return AV_RB64(buf);
-}
-
-static int ffm_write_write_index(int fd, int64_t pos)
-{
- uint8_t buf[8];
- int i;
-
- for(i=0;i<8;i++)
- buf[i] = (pos >> (56 - i * 8)) & 0xff;
- lseek(fd, 8, SEEK_SET);
- if (write(fd, buf, 8) != 8)
- return AVERROR(EIO);
- return 8;
-}
-
-static void ffm_set_write_index(AVFormatContext *s, int64_t pos,
- int64_t file_size)
-{
- FFMContext *ffm = s->priv_data;
- ffm->write_index = pos;
- ffm->file_size = file_size;
-}
-
-/* FIXME: make avserver work with IPv6 */
-/* resolve host with also IP address parsing */
-static int resolve_host(struct in_addr *sin_addr, const char *hostname)
-{
-
- if (!ff_inet_aton(hostname, sin_addr)) {
-#if HAVE_GETADDRINFO
- struct addrinfo *ai, *cur;
- struct addrinfo hints = { 0 };
- hints.ai_family = AF_INET;
- if (getaddrinfo(hostname, NULL, &hints, &ai))
- return -1;
- /* getaddrinfo returns a linked list of addrinfo structs.
- * Even if we set ai_family = AF_INET above, make sure
- * that the returned one actually is of the correct type. */
- for (cur = ai; cur; cur = cur->ai_next) {
- if (cur->ai_family == AF_INET) {
- *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
- freeaddrinfo(ai);
- return 0;
- }
- }
- freeaddrinfo(ai);
- return -1;
-#else
- struct hostent *hp;
- hp = gethostbyname(hostname);
- if (!hp)
- return -1;
- memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
-#endif
- }
- return 0;
-}
-
-static char *ctime1(char *buf2)
-{
- time_t ti;
- char *p;
-
- ti = time(NULL);
- p = ctime(&ti);
- strcpy(buf2, p);
- p = buf2 + strlen(p) - 1;
- if (*p == '\n')
- *p = '\0';
- return buf2;
-}
-
-static void http_vlog(const char *fmt, va_list vargs)
-{
- static int print_prefix = 1;
- if (logfile) {
- if (print_prefix) {
- char buf[32];
- ctime1(buf);
- fprintf(logfile, "%s ", buf);
- }
- print_prefix = strstr(fmt, "\n") != NULL;
- vfprintf(logfile, fmt, vargs);
- fflush(logfile);
- }
-}
-
-#ifdef __GNUC__
-__attribute__ ((format (printf, 1, 2)))
-#endif
-static void http_log(const char *fmt, ...)
-{
- va_list vargs;
- va_start(vargs, fmt);
- http_vlog(fmt, vargs);
- va_end(vargs);
-}
-
-static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
-{
- static int print_prefix = 1;
- AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
- if (level > av_log_get_level())
- return;
- if (print_prefix && avc)
- http_log("[%s @ %p]", avc->item_name(ptr), ptr);
- print_prefix = strstr(fmt, "\n") != NULL;
- http_vlog(fmt, vargs);
-}
-
-static void log_connection(HTTPContext *c)
-{
- if (c->suppress_log)
- return;
-
- http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
- inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
- c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
-}
-
-static void update_datarate(DataRateData *drd, int64_t count)
-{
- if (!drd->time1 && !drd->count1) {
- drd->time1 = drd->time2 = cur_time;
- drd->count1 = drd->count2 = count;
- } else if (cur_time - drd->time2 > 5000) {
- drd->time1 = drd->time2;
- drd->count1 = drd->count2;
- drd->time2 = cur_time;
- drd->count2 = count;
- }
-}
-
-/* In bytes per second */
-static int compute_datarate(DataRateData *drd, int64_t count)
-{
- if (cur_time == drd->time1)
- return 0;
-
- return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
-}
-
-
-static void start_children(FFStream *feed)
-{
- if (no_launch)
- return;
-
- for (; feed; feed = feed->next) {
- if (feed->child_argv && !feed->pid) {
- feed->pid_start = time(0);
-
- feed->pid = fork();
-
- if (feed->pid < 0) {
- http_log("Unable to create children\n");
- exit(1);
- }
- if (!feed->pid) {
- /* In child */
- char pathname[1024];
- char *slash;
- int i;
-
- av_strlcpy(pathname, my_program_name, sizeof(pathname));
-
- slash = strrchr(pathname, '/');
- if (!slash)
- slash = pathname;
- else
- slash++;
- strcpy(slash, "avconv");
-
- http_log("Launch command line: ");
- http_log("%s ", pathname);
- for (i = 1; feed->child_argv[i] && feed->child_argv[i][0]; i++)
- http_log("%s ", feed->child_argv[i]);
- http_log("\n");
-
- for (i = 3; i < 256; i++)
- close(i);
-
- if (!avserver_debug) {
- if (!freopen("/dev/null", "r", stdin))
- http_log("failed to redirect STDIN to /dev/null\n;");
- if (!freopen("/dev/null", "w", stdout))
- http_log("failed to redirect STDOUT to /dev/null\n;");
- if (!freopen("/dev/null", "w", stderr))
- http_log("failed to redirect STDERR to /dev/null\n;");
- }
-
- signal(SIGPIPE, SIG_DFL);
-
- execvp(pathname, feed->child_argv);
-
- _exit(1);
- }
- }
- }
-}
-
-/* open a listening socket */
-static int socket_open_listen(struct sockaddr_in *my_addr)
-{
- int server_fd, tmp;
-
- server_fd = socket(AF_INET,SOCK_STREAM,0);
- if (server_fd < 0) {
- perror ("socket");
- return -1;
- }
-
- tmp = 1;
- setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
-
- my_addr->sin_family = AF_INET;
- if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
- char bindmsg[32];
- snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
- perror (bindmsg);
- closesocket(server_fd);
- return -1;
- }
-
- if (listen (server_fd, 5) < 0) {
- perror ("listen");
- closesocket(server_fd);
- return -1;
- }
- ff_socket_nonblock(server_fd, 1);
-
- return server_fd;
-}
-
-/* start all multicast streams */
-static void start_multicast(void)
-{
- FFStream *stream;
- char session_id[32];
- HTTPContext *rtp_c;
- struct sockaddr_in dest_addr;
- int default_port, stream_index;
-
- default_port = 6000;
- for(stream = first_stream; stream != NULL; stream = stream->next) {
- if (stream->is_multicast) {
- /* open the RTP connection */
- snprintf(session_id, sizeof(session_id), "%08x%08x",
- av_lfg_get(&random_state), av_lfg_get(&random_state));
-
- /* choose a port if none given */
- if (stream->multicast_port == 0) {
- stream->multicast_port = default_port;
- default_port += 100;
- }
-
- dest_addr.sin_family = AF_INET;
- dest_addr.sin_addr = stream->multicast_ip;
- dest_addr.sin_port = htons(stream->multicast_port);
-
- rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
- RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
- if (!rtp_c)
- continue;
-
- if (open_input_stream(rtp_c, "") < 0) {
- http_log("Could not open input stream for stream '%s'\n",
- stream->filename);
- continue;
- }
-
- /* open each RTP stream */
- for(stream_index = 0; stream_index < stream->nb_streams;
- stream_index++) {
- dest_addr.sin_port = htons(stream->multicast_port +
- 2 * stream_index);
- if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
- http_log("Could not open output stream '%s/streamid=%d'\n",
- stream->filename, stream_index);
- exit(1);
- }
- }
-
- /* change state to send data */
- rtp_c->state = HTTPSTATE_SEND_DATA;
- }
- }
-}
-
-/* main loop of the http server */
-static int http_server(void)
-{
- int server_fd = 0, rtsp_server_fd = 0;
- int ret, delay, delay1;
- struct pollfd *poll_table, *poll_entry;
- HTTPContext *c, *c_next;
-
- if(!(poll_table = av_mallocz((nb_max_http_connections + 2)*sizeof(*poll_table)))) {
- http_log("Impossible to allocate a poll table handling %d connections.\n", nb_max_http_connections);
- return -1;
- }
-
- if (my_http_addr.sin_port) {
- server_fd = socket_open_listen(&my_http_addr);
- if (server_fd < 0)
- return -1;
- }
-
- if (my_rtsp_addr.sin_port) {
- rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
- if (rtsp_server_fd < 0)
- return -1;
- }
-
- if (!rtsp_server_fd && !server_fd) {
- http_log("HTTP and RTSP disabled.\n");
- return -1;
- }
-
- http_log("AVserver started.\n");
-
- start_children(first_feed);
-
- start_multicast();
-
- for(;;) {
- poll_entry = poll_table;
- if (server_fd) {
- poll_entry->fd = server_fd;
- poll_entry->events = POLLIN;
- poll_entry++;
- }
- if (rtsp_server_fd) {
- poll_entry->fd = rtsp_server_fd;
- poll_entry->events = POLLIN;
- poll_entry++;
- }
-
- /* wait for events on each HTTP handle */
- c = first_http_ctx;
- delay = 1000;
- while (c != NULL) {
- int fd;
- fd = c->fd;
- switch(c->state) {
- case HTTPSTATE_SEND_HEADER:
- case RTSPSTATE_SEND_REPLY:
- case RTSPSTATE_SEND_PACKET:
- c->poll_entry = poll_entry;
- poll_entry->fd = fd;
- poll_entry->events = POLLOUT;
- poll_entry++;
- break;
- case HTTPSTATE_SEND_DATA_HEADER:
- case HTTPSTATE_SEND_DATA:
- case HTTPSTATE_SEND_DATA_TRAILER:
- if (!c->is_packetized) {
- /* for TCP, we output as much as we can (may need to put a limit) */
- c->poll_entry = poll_entry;
- poll_entry->fd = fd;
- poll_entry->events = POLLOUT;
- poll_entry++;
- } else {
- /* when avserver is doing the timing, we work by
- looking at which packet need to be sent every
- 10 ms */
- delay1 = 10; /* one tick wait XXX: 10 ms assumed */
- if (delay1 < delay)
- delay = delay1;
- }
- break;
- case HTTPSTATE_WAIT_REQUEST:
- case HTTPSTATE_RECEIVE_DATA:
- case HTTPSTATE_WAIT_FEED:
- case RTSPSTATE_WAIT_REQUEST:
- /* need to catch errors */
- c->poll_entry = poll_entry;
- poll_entry->fd = fd;
- poll_entry->events = POLLIN;/* Maybe this will work */
- poll_entry++;
- break;
- default:
- c->poll_entry = NULL;
- break;
- }
- c = c->next;
- }
-
- /* wait for an event on one connection. We poll at least every
- second to handle timeouts */
- do {
- ret = poll(poll_table, poll_entry - poll_table, delay);
- if (ret < 0 && ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR))
- return -1;
- } while (ret < 0);
-
- cur_time = av_gettime() / 1000;
-
- if (need_to_start_children) {
- need_to_start_children = 0;
- start_children(first_feed);
- }
-
- /* now handle the events */
- for(c = first_http_ctx; c != NULL; c = c_next) {
- c_next = c->next;
- if (handle_connection(c) < 0) {
- /* close and free the connection */
- log_connection(c);
- close_connection(c);
- }
- }
-
- poll_entry = poll_table;
- if (server_fd) {
- /* new HTTP connection request ? */
- if (poll_entry->revents & POLLIN)
- new_connection(server_fd, 0);
- poll_entry++;
- }
- if (rtsp_server_fd) {
- /* new RTSP connection request ? */
- if (poll_entry->revents & POLLIN)
- new_connection(rtsp_server_fd, 1);
- }
- }
-}
-
-/* start waiting for a new HTTP/RTSP request */
-static void start_wait_request(HTTPContext *c, int is_rtsp)
-{
- c->buffer_ptr = c->buffer;
- c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
-
- if (is_rtsp) {
- c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
- c->state = RTSPSTATE_WAIT_REQUEST;
- } else {
- c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
- c->state = HTTPSTATE_WAIT_REQUEST;
- }
-}
-
-static void http_send_too_busy_reply(int fd)
-{
- char buffer[300];
- int len = snprintf(buffer, sizeof(buffer),
- "HTTP/1.0 503 Server too busy\r\n"
- "Content-type: text/html\r\n"
- "\r\n"
- "<html><head><title>Too busy</title></head><body>\r\n"
- "<p>The server is too busy to serve your request at this time.</p>\r\n"
- "<p>The number of current connections is %d, and this exceeds the limit of %d.</p>\r\n"
- "</body></html>\r\n",
- nb_connections, nb_max_connections);
- send(fd, buffer, len, 0);
-}
-
-
-static void new_connection(int server_fd, int is_rtsp)
-{
- struct sockaddr_in from_addr;
- socklen_t len;
- int fd;
- HTTPContext *c = NULL;
-
- len = sizeof(from_addr);
- fd = accept(server_fd, (struct sockaddr *)&from_addr,
- &len);
- if (fd < 0) {
- http_log("error during accept %s\n", strerror(errno));
- return;
- }
- ff_socket_nonblock(fd, 1);
-
- if (nb_connections >= nb_max_connections) {
- http_send_too_busy_reply(fd);
- goto fail;
- }
-
- /* add a new connection */
- c = av_mallocz(sizeof(HTTPContext));
- if (!c)
- goto fail;
-
- c->fd = fd;
- c->poll_entry = NULL;
- c->from_addr = from_addr;
- c->buffer_size = IOBUFFER_INIT_SIZE;
- c->buffer = av_malloc(c->buffer_size);
- if (!c->buffer)
- goto fail;
-
- c->next = first_http_ctx;
- first_http_ctx = c;
- nb_connections++;
-
- start_wait_request(c, is_rtsp);
-
- return;
-
- fail:
- if (c) {
- av_free(c->buffer);
- av_free(c);
- }
- closesocket(fd);
-}
-
-static void close_connection(HTTPContext *c)
-{
- HTTPContext **cp, *c1;
- int i, nb_streams;
- AVFormatContext *ctx;
- URLContext *h;
- AVStream *st;
-
- /* remove connection from list */
- cp = &first_http_ctx;
- while ((*cp) != NULL) {
- c1 = *cp;
- if (c1 == c)
- *cp = c->next;
- else
- cp = &c1->next;
- }
-
- /* remove references, if any (XXX: do it faster) */
- for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
- if (c1->rtsp_c == c)
- c1->rtsp_c = NULL;
- }
-
- /* remove connection associated resources */
- if (c->fd >= 0)
- closesocket(c->fd);
- if (c->fmt_in) {
- /* close each frame parser */
- for(i=0;i<c->fmt_in->nb_streams;i++) {
- st = c->fmt_in->streams[i];
- if (st->codec->codec)
- avcodec_close(st->codec);
- }
- avformat_close_input(&c->fmt_in);
- }
-
- /* free RTP output streams if any */
- nb_streams = 0;
- if (c->stream)
- nb_streams = c->stream->nb_streams;
-
- for(i=0;i<nb_streams;i++) {
- ctx = c->rtp_ctx[i];
- if (ctx) {
- av_write_trailer(ctx);
- av_dict_free(&ctx->metadata);
- av_free(ctx->streams[0]);
- av_free(ctx);
- }
- h = c->rtp_handles[i];
- if (h)
- ffurl_close(h);
- }
-
- ctx = &c->fmt_ctx;
-
- if (!c->last_packet_sent && c->state == HTTPSTATE_SEND_DATA_TRAILER) {
- if (ctx->oformat) {
- /* prepare header */
- if (avio_open_dyn_buf(&ctx->pb) >= 0) {
- av_write_trailer(ctx);
- av_freep(&c->pb_buffer);
- avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
- }
- }
- }
-
- for(i=0; i<ctx->nb_streams; i++)
- av_free(ctx->streams[i]);
-
- if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
- current_bandwidth -= c->stream->bandwidth;
-
- /* signal that there is no feed if we are the feeder socket */
- if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
- c->stream->feed_opened = 0;
- close(c->feed_fd);
- }
-
- av_freep(&c->pb_buffer);
- av_freep(&c->packet_buffer);
- av_free(c->buffer);
- av_free(c);
- nb_connections--;
-}
-
-static int handle_connection(HTTPContext *c)
-{
- int len, ret;
-
- switch(c->state) {
- case HTTPSTATE_WAIT_REQUEST:
- case RTSPSTATE_WAIT_REQUEST:
- /* timeout ? */
- if ((c->timeout - cur_time) < 0)
- return -1;
- if (c->poll_entry->revents & (POLLERR | POLLHUP))
- return -1;
-
- /* no need to read if no events */
- if (!(c->poll_entry->revents & POLLIN))
- return 0;
- /* read the data */
- read_loop:
- len = recv(c->fd, c->buffer_ptr, 1, 0);
- if (len < 0) {
- if (ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR))
- return -1;
- } else if (len == 0) {
- return -1;
- } else {
- /* search for end of request. */
- uint8_t *ptr;
- c->buffer_ptr += len;
- ptr = c->buffer_ptr;
- if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
- (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
- /* request found : parse it and reply */
- if (c->state == HTTPSTATE_WAIT_REQUEST) {
- ret = http_parse_request(c);
- } else {
- ret = rtsp_parse_request(c);
- }
- if (ret < 0)
- return -1;
- } else if (ptr >= c->buffer_end) {
- /* request too long: cannot do anything */
- return -1;
- } else goto read_loop;
- }
- break;
-
- case HTTPSTATE_SEND_HEADER:
- if (c->poll_entry->revents & (POLLERR | POLLHUP))
- return -1;
-
- /* no need to write if no events */
- if (!(c->poll_entry->revents & POLLOUT))
- return 0;
- len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
- if (len < 0) {
- if (ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR)) {
- /* error : close connection */
- av_freep(&c->pb_buffer);
- return -1;
- }
- } else {
- c->buffer_ptr += len;
- if (c->stream)
- c->stream->bytes_served += len;
- c->data_count += len;
- if (c->buffer_ptr >= c->buffer_end) {
- av_freep(&c->pb_buffer);
- /* if error, exit */
- if (c->http_error)
- return -1;
- /* all the buffer was sent : synchronize to the incoming stream */
- c->state = HTTPSTATE_SEND_DATA_HEADER;
- c->buffer_ptr = c->buffer_end = c->buffer;
- }
- }
- break;
-
- case HTTPSTATE_SEND_DATA:
- case HTTPSTATE_SEND_DATA_HEADER:
- case HTTPSTATE_SEND_DATA_TRAILER:
- /* for packetized output, we consider we can always write (the
- input streams sets the speed). It may be better to verify
- that we do not rely too much on the kernel queues */
- if (!c->is_packetized) {
- if (c->poll_entry->revents & (POLLERR | POLLHUP))
- return -1;
-
- /* no need to read if no events */
- if (!(c->poll_entry->revents & POLLOUT))
- return 0;
- }
- if (http_send_data(c) < 0)
- return -1;
- /* close connection if trailer sent */
- if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
- return -1;
- break;
- case HTTPSTATE_RECEIVE_DATA:
- /* no need to read if no events */
- if (c->poll_entry->revents & (POLLERR | POLLHUP))
- return -1;
- if (!(c->poll_entry->revents & POLLIN))
- return 0;
- if (http_receive_data(c) < 0)
- return -1;
- break;
- case HTTPSTATE_WAIT_FEED:
- /* no need to read if no events */
- if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
- return -1;
-
- /* nothing to do, we'll be waken up by incoming feed packets */
- break;
-
- case RTSPSTATE_SEND_REPLY:
- if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
- av_freep(&c->pb_buffer);
- return -1;
- }
- /* no need to write if no events */
- if (!(c->poll_entry->revents & POLLOUT))
- return 0;
- len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
- if (len < 0) {
- if (ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR)) {
- /* error : close connection */
- av_freep(&c->pb_buffer);
- return -1;
- }
- } else {
- c->buffer_ptr += len;
- c->data_count += len;
- if (c->buffer_ptr >= c->buffer_end) {
- /* all the buffer was sent : wait for a new request */
- av_freep(&c->pb_buffer);
- start_wait_request(c, 1);
- }
- }
- break;
- case RTSPSTATE_SEND_PACKET:
- if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
- av_freep(&c->packet_buffer);
- return -1;
- }
- /* no need to write if no events */
- if (!(c->poll_entry->revents & POLLOUT))
- return 0;
- len = send(c->fd, c->packet_buffer_ptr,
- c->packet_buffer_end - c->packet_buffer_ptr, 0);
- if (len < 0) {
- if (ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR)) {
- /* error : close connection */
- av_freep(&c->packet_buffer);
- return -1;
- }
- } else {
- c->packet_buffer_ptr += len;
- if (c->packet_buffer_ptr >= c->packet_buffer_end) {
- /* all the buffer was sent : wait for a new request */
- av_freep(&c->packet_buffer);
- c->state = RTSPSTATE_WAIT_REQUEST;
- }
- }
- break;
- case HTTPSTATE_READY:
- /* nothing to do */
- break;
- default:
- return -1;
- }
- return 0;
-}
-
-static int extract_rates(char *rates, int ratelen, const char *request)
-{
- const char *p;
-
- for (p = request; *p && *p != '\r' && *p != '\n'; ) {
- if (av_strncasecmp(p, "Pragma:", 7) == 0) {
- const char *q = p + 7;
-
- while (*q && *q != '\n' && av_isspace(*q))
- q++;
-
- if (av_strncasecmp(q, "stream-switch-entry=", 20) == 0) {
- int stream_no;
- int rate_no;
-
- q += 20;
-
- memset(rates, 0xff, ratelen);
-
- while (1) {
- while (*q && *q != '\n' && *q != ':')
- q++;
-
- if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
- break;
-
- stream_no--;
- if (stream_no < ratelen && stream_no >= 0)
- rates[stream_no] = rate_no;
-
- while (*q && *q != '\n' && !av_isspace(*q))
- q++;
- }
-
- return 1;
- }
- }
- p = strchr(p, '\n');
- if (!p)
- break;
-
- p++;
- }
-
- return 0;
-}
-
-static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
-{
- int i;
- int best_bitrate = 100000000;
- int best = -1;
-
- for (i = 0; i < feed->nb_streams; i++) {
- AVCodecContext *feed_codec = feed->streams[i]->codec;
-
- if (feed_codec->codec_id != codec->codec_id ||
- feed_codec->sample_rate != codec->sample_rate ||
- feed_codec->width != codec->width ||
- feed_codec->height != codec->height)
- continue;
-
- /* Potential stream */
-
- /* We want the fastest stream less than bit_rate, or the slowest
- * faster than bit_rate
- */
-
- if (feed_codec->bit_rate <= bit_rate) {
- if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
- best_bitrate = feed_codec->bit_rate;
- best = i;
- }
- } else {
- if (feed_codec->bit_rate < best_bitrate) {
- best_bitrate = feed_codec->bit_rate;
- best = i;
- }
- }
- }
-
- return best;
-}
-
-static int modify_current_stream(HTTPContext *c, char *rates)
-{
- int i;
- FFStream *req = c->stream;
- int action_required = 0;
-
- /* Not much we can do for a feed */
- if (!req->feed)
- return 0;
-
- for (i = 0; i < req->nb_streams; i++) {
- AVCodecContext *codec = req->streams[i]->codec;
-
- switch(rates[i]) {
- case 0:
- c->switch_feed_streams[i] = req->feed_streams[i];
- break;
- case 1:
- c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
- break;
- case 2:
- /* Wants off or slow */
- c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
-#ifdef WANTS_OFF
- /* This doesn't work well when it turns off the only stream! */
- c->switch_feed_streams[i] = -2;
- c->feed_streams[i] = -2;
-#endif
- break;
- }
-
- if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
- action_required = 1;
- }
-
- return action_required;
-}
-
-/* XXX: factorize in utils.c ? */
-/* XXX: take care with different space meaning */
-static void skip_spaces(const char **pp)
-{
- const char *p;
- p = *pp;
- while (*p == ' ' || *p == '\t')
- p++;
- *pp = p;
-}
-
-static void get_word(char *buf, int buf_size, const char **pp)
-{
- const char *p;
- char *q;
-
- p = *pp;
- skip_spaces(&p);
- q = buf;
- while (!av_isspace(*p) && *p != '\0') {
- if ((q - buf) < buf_size - 1)
- *q++ = *p;
- p++;
- }
- if (buf_size > 0)
- *q = '\0';
- *pp = p;
-}
-
-static void get_arg(char *buf, int buf_size, const char **pp)
-{
- const char *p;
- char *q;
- int quote;
-
- p = *pp;
- while (av_isspace(*p)) p++;
- q = buf;
- quote = 0;
- if (*p == '\"' || *p == '\'')
- quote = *p++;
- for(;;) {
- if (quote) {
- if (*p == quote)
- break;
- } else {
- if (av_isspace(*p))
- break;
- }
- if (*p == '\0')
- break;
- if ((q - buf) < buf_size - 1)
- *q++ = *p;
- p++;
- }
- *q = '\0';
- if (quote && *p == quote)
- p++;
- *pp = p;
-}
-
-static void parse_acl_row(FFStream *stream, FFStream* feed, IPAddressACL *ext_acl,
- const char *p, const char *filename, int line_num)
-{
- char arg[1024];
- IPAddressACL acl;
- int errors = 0;
-
- get_arg(arg, sizeof(arg), &p);
- if (av_strcasecmp(arg, "allow") == 0)
- acl.action = IP_ALLOW;
- else if (av_strcasecmp(arg, "deny") == 0)
- acl.action = IP_DENY;
- else {
- fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
- filename, line_num, arg);
- errors++;
- }
-
- get_arg(arg, sizeof(arg), &p);
-
- if (resolve_host(&acl.first, arg) != 0) {
- fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
- filename, line_num, arg);
- errors++;
- } else
- acl.last = acl.first;
-
- get_arg(arg, sizeof(arg), &p);
-
- if (arg[0]) {
- if (resolve_host(&acl.last, arg) != 0) {
- fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
- filename, line_num, arg);
- errors++;
- }
- }
-
- if (!errors) {
- IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
- IPAddressACL **naclp = 0;
-
- acl.next = 0;
- *nacl = acl;
-
- if (stream)
- naclp = &stream->acl;
- else if (feed)
- naclp = &feed->acl;
- else if (ext_acl)
- naclp = &ext_acl;
- else {
- fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
- filename, line_num);
- errors++;
- }
-
- if (naclp) {
- while (*naclp)
- naclp = &(*naclp)->next;
-
- *naclp = nacl;
- }
- }
-}
-
-
-static IPAddressACL* parse_dynamic_acl(FFStream *stream, HTTPContext *c)
-{
- FILE* f;
- char line[1024];
- char cmd[1024];
- IPAddressACL *acl = NULL;
- int line_num = 0;
- const char *p;
-
- f = fopen(stream->dynamic_acl, "r");
- if (!f) {
- perror(stream->dynamic_acl);
- return NULL;
- }
-
- acl = av_mallocz(sizeof(IPAddressACL));
-
- /* Build ACL */
- for(;;) {
- if (fgets(line, sizeof(line), f) == NULL)
- break;
- line_num++;
- p = line;
- while (av_isspace(*p))
- p++;
- if (*p == '\0' || *p == '#')
- continue;
- get_arg(cmd, sizeof(cmd), &p);
-
- if (!av_strcasecmp(cmd, "ACL"))
- parse_acl_row(NULL, NULL, acl, p, stream->dynamic_acl, line_num);
- }
- fclose(f);
- return acl;
-}
-
-
-static void free_acl_list(IPAddressACL *in_acl)
-{
- IPAddressACL *pacl,*pacl2;
-
- pacl = in_acl;
- while(pacl) {
- pacl2 = pacl;
- pacl = pacl->next;
- av_freep(pacl2);
- }
-}
-
-static int validate_acl_list(IPAddressACL *in_acl, HTTPContext *c)
-{
- enum IPAddressAction last_action = IP_DENY;
- IPAddressACL *acl;
- struct in_addr *src = &c->from_addr.sin_addr;
- unsigned long src_addr = src->s_addr;
-
- for (acl = in_acl; acl; acl = acl->next) {
- if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
- return (acl->action == IP_ALLOW) ? 1 : 0;
- last_action = acl->action;
- }
-
- /* Nothing matched, so return not the last action */
- return (last_action == IP_DENY) ? 1 : 0;
-}
-
-static int validate_acl(FFStream *stream, HTTPContext *c)
-{
- int ret = 0;
- IPAddressACL *acl;
-
-
- /* if stream->acl is null validate_acl_list will return 1 */
- ret = validate_acl_list(stream->acl, c);
-
- if (stream->dynamic_acl[0]) {
- acl = parse_dynamic_acl(stream, c);
-
- ret = validate_acl_list(acl, c);
-
- free_acl_list(acl);
- }
-
- return ret;
-}
-
-/* compute the real filename of a file by matching it without its
- extensions to all the stream filenames */
-static void compute_real_filename(char *filename, int max_size)
-{
- char file1[1024];
- char file2[1024];
- char *p;
- FFStream *stream;
-
- /* compute filename by matching without the file extensions */
- av_strlcpy(file1, filename, sizeof(file1));
- p = strrchr(file1, '.');
- if (p)
- *p = '\0';
- for(stream = first_stream; stream != NULL; stream = stream->next) {
- av_strlcpy(file2, stream->filename, sizeof(file2));
- p = strrchr(file2, '.');
- if (p)
- *p = '\0';
- if (!strcmp(file1, file2)) {
- av_strlcpy(filename, stream->filename, max_size);
- break;
- }
- }
-}
-
-enum RedirType {
- REDIR_NONE,
- REDIR_ASX,
- REDIR_RAM,
- REDIR_ASF,
- REDIR_RTSP,
- REDIR_SDP,
-};
-
-/* parse http request and prepare header */
-static int http_parse_request(HTTPContext *c)
-{
- const char *p;
- char *p1;
- enum RedirType redir_type;
- char cmd[32];
- char info[1024], filename[1024];
- char url[1024], *q;
- char protocol[32];
- char msg[1024];
- const char *mime_type;
- FFStream *stream;
- int i;
- char ratebuf[32];
- const char *useragent = 0;
-
- p = c->buffer;
- get_word(cmd, sizeof(cmd), &p);
- av_strlcpy(c->method, cmd, sizeof(c->method));
-
- if (!strcmp(cmd, "GET"))
- c->post = 0;
- else if (!strcmp(cmd, "POST"))
- c->post = 1;
- else
- return -1;
-
- get_word(url, sizeof(url), &p);
- av_strlcpy(c->url, url, sizeof(c->url));
-
- get_word(protocol, sizeof(protocol), (const char **)&p);
- if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
- return -1;
-
- av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
-
- if (avserver_debug)
- http_log("%s - - New connection: %s %s\n", inet_ntoa(c->from_addr.sin_addr), cmd, url);
-
- /* find the filename and the optional info string in the request */
- p1 = strchr(url, '?');
- if (p1) {
- av_strlcpy(info, p1, sizeof(info));
- *p1 = '\0';
- } else
- info[0] = '\0';
-
- av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
-
- for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
- if (av_strncasecmp(p, "User-Agent:", 11) == 0) {
- useragent = p + 11;
- if (*useragent && *useragent != '\n' && av_isspace(*useragent))
- useragent++;
- break;
- }
- p = strchr(p, '\n');
- if (!p)
- break;
-
- p++;
- }
-
- redir_type = REDIR_NONE;
- if (av_match_ext(filename, "asx")) {
- redir_type = REDIR_ASX;
- filename[strlen(filename)-1] = 'f';
- } else if (av_match_ext(filename, "asf") &&
- (!useragent || av_strncasecmp(useragent, "NSPlayer", 8) != 0)) {
- /* if this isn't WMP or lookalike, return the redirector file */
- redir_type = REDIR_ASF;
- } else if (av_match_ext(filename, "rpm,ram")) {
- redir_type = REDIR_RAM;
- strcpy(filename + strlen(filename)-2, "m");
- } else if (av_match_ext(filename, "rtsp")) {
- redir_type = REDIR_RTSP;
- compute_real_filename(filename, sizeof(filename) - 1);
- } else if (av_match_ext(filename, "sdp")) {
- redir_type = REDIR_SDP;
- compute_real_filename(filename, sizeof(filename) - 1);
- }
-
- // "redirect" / request to index.html
- if (!strlen(filename))
- av_strlcpy(filename, "index.html", sizeof(filename) - 1);
-
- stream = first_stream;
- while (stream != NULL) {
- if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
- break;
- stream = stream->next;
- }
- if (stream == NULL) {
- snprintf(msg, sizeof(msg), "File '%s' not found", url);
- http_log("File '%s' not found\n", url);
- goto send_error;
- }
-
- c->stream = stream;
- memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
- memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
-
- if (stream->stream_type == STREAM_TYPE_REDIRECT) {
- c->http_error = 301;
- q = c->buffer;
- q += snprintf(q, c->buffer_size,
- "HTTP/1.0 301 Moved\r\n"
- "Location: %s\r\n"
- "Content-type: text/html\r\n"
- "\r\n"
- "<html><head><title>Moved</title></head><body>\r\n"
- "You should be <a href=\"%s\">redirected</a>.\r\n"
- "</body></html>\r\n", stream->feed_filename, stream->feed_filename);
- /* prepare output buffer */
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- c->state = HTTPSTATE_SEND_HEADER;
- return 0;
- }
-
- /* If this is WMP, get the rate information */
- if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
- if (modify_current_stream(c, ratebuf)) {
- for (i = 0; i < FF_ARRAY_ELEMS(c->feed_streams); i++) {
- if (c->switch_feed_streams[i] >= 0)
- c->switch_feed_streams[i] = -1;
- }
- }
- }
-
- if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
- current_bandwidth += stream->bandwidth;
-
- /* If already streaming this feed, do not let start another feeder. */
- if (stream->feed_opened) {
- snprintf(msg, sizeof(msg), "This feed is already being received.");
- http_log("Feed '%s' already being received\n", stream->feed_filename);
- goto send_error;
- }
-
- if (c->post == 0 && max_bandwidth < current_bandwidth) {
- c->http_error = 503;
- q = c->buffer;
- q += snprintf(q, c->buffer_size,
- "HTTP/1.0 503 Server too busy\r\n"
- "Content-type: text/html\r\n"
- "\r\n"
- "<html><head><title>Too busy</title></head><body>\r\n"
- "<p>The server is too busy to serve your request at this time.</p>\r\n"
- "<p>The bandwidth being served (including your stream) is %"PRIu64"kbit/sec, "
- "and this exceeds the limit of %"PRIu64"kbit/sec.</p>\r\n"
- "</body></html>\r\n", current_bandwidth, max_bandwidth);
- /* prepare output buffer */
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- c->state = HTTPSTATE_SEND_HEADER;
- return 0;
- }
-
- if (redir_type != REDIR_NONE) {
- const char *hostinfo = 0;
-
- for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
- if (av_strncasecmp(p, "Host:", 5) == 0) {
- hostinfo = p + 5;
- break;
- }
- p = strchr(p, '\n');
- if (!p)
- break;
-
- p++;
- }
-
- if (hostinfo) {
- char *eoh;
- char hostbuf[260];
-
- while (av_isspace(*hostinfo))
- hostinfo++;
-
- eoh = strchr(hostinfo, '\n');
- if (eoh) {
- if (eoh[-1] == '\r')
- eoh--;
-
- if (eoh - hostinfo < sizeof(hostbuf) - 1) {
- memcpy(hostbuf, hostinfo, eoh - hostinfo);
- hostbuf[eoh - hostinfo] = 0;
-
- c->http_error = 200;
- q = c->buffer;
- switch(redir_type) {
- case REDIR_ASX:
- q += snprintf(q, c->buffer_size,
- "HTTP/1.0 200 ASX Follows\r\n"
- "Content-type: video/x-ms-asf\r\n"
- "\r\n"
- "<ASX Version=\"3\">\r\n"
- //"<!-- Autogenerated by avserver -->\r\n"
- "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n"
- "</ASX>\r\n", hostbuf, filename, info);
- break;
- case REDIR_RAM:
- q += snprintf(q, c->buffer_size,
- "HTTP/1.0 200 RAM Follows\r\n"
- "Content-type: audio/x-pn-realaudio\r\n"
- "\r\n"
- "# Autogenerated by avserver\r\n"
- "http://%s/%s%s\r\n", hostbuf, filename, info);
- break;
- case REDIR_ASF:
- q += snprintf(q, c->buffer_size,
- "HTTP/1.0 200 ASF Redirect follows\r\n"
- "Content-type: video/x-ms-asf\r\n"
- "\r\n"
- "[Reference]\r\n"
- "Ref1=http://%s/%s%s\r\n", hostbuf, filename, info);
- break;
- case REDIR_RTSP:
- {
- char hostname[256], *p;
- /* extract only hostname */
- av_strlcpy(hostname, hostbuf, sizeof(hostname));
- p = strrchr(hostname, ':');
- if (p)
- *p = '\0';
- q += snprintf(q, c->buffer_size,
- "HTTP/1.0 200 RTSP Redirect follows\r\n"
- /* XXX: incorrect mime type ? */
- "Content-type: application/x-rtsp\r\n"
- "\r\n"
- "rtsp://%s:%d/%s\r\n", hostname, ntohs(my_rtsp_addr.sin_port), filename);
- }
- break;
- case REDIR_SDP:
- {
- uint8_t *sdp_data;
- int sdp_data_size;
- socklen_t len;
- struct sockaddr_in my_addr;
-
- q += snprintf(q, c->buffer_size,
- "HTTP/1.0 200 OK\r\n"
- "Content-type: application/sdp\r\n"
- "\r\n");
-
- len = sizeof(my_addr);
- getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
-
- /* XXX: should use a dynamic buffer */
- sdp_data_size = prepare_sdp_description(stream,
- &sdp_data,
- my_addr.sin_addr);
- if (sdp_data_size > 0) {
- memcpy(q, sdp_data, sdp_data_size);
- q += sdp_data_size;
- *q = '\0';
- av_free(sdp_data);
- }
- }
- break;
- default:
- abort();
- break;
- }
-
- /* prepare output buffer */
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- c->state = HTTPSTATE_SEND_HEADER;
- return 0;
- }
- }
- }
-
- snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
- goto send_error;
- }
-
- stream->conns_served++;
-
- /* XXX: add there authenticate and IP match */
-
- if (c->post) {
- /* if post, it means a feed is being sent */
- if (!stream->is_feed) {
- /* However it might be a status report from WMP! Let us log the
- * data as it might come in handy one day. */
- const char *logline = 0;
- int client_id = 0;
-
- for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
- if (av_strncasecmp(p, "Pragma: log-line=", 17) == 0) {
- logline = p;
- break;
- }
- if (av_strncasecmp(p, "Pragma: client-id=", 18) == 0)
- client_id = strtol(p + 18, 0, 10);
- p = strchr(p, '\n');
- if (!p)
- break;
-
- p++;
- }
-
- if (logline) {
- char *eol = strchr(logline, '\n');
-
- logline += 17;
-
- if (eol) {
- if (eol[-1] == '\r')
- eol--;
- http_log("%.*s\n", (int) (eol - logline), logline);
- c->suppress_log = 1;
- }
- }
-
-#ifdef DEBUG
- http_log("\nGot request:\n%s\n", c->buffer);
-#endif
-
- if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
- HTTPContext *wmpc;
-
- /* Now we have to find the client_id */
- for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
- if (wmpc->wmp_client_id == client_id)
- break;
- }
-
- if (wmpc && modify_current_stream(wmpc, ratebuf))
- wmpc->switch_pending = 1;
- }
-
- snprintf(msg, sizeof(msg), "POST command not handled");
- c->stream = 0;
- goto send_error;
- }
- if (http_start_receive_data(c) < 0) {
- snprintf(msg, sizeof(msg), "could not open feed");
- goto send_error;
- }
- c->http_error = 0;
- c->state = HTTPSTATE_RECEIVE_DATA;
- return 0;
- }
-
-#ifdef DEBUG
- if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
- http_log("\nGot request:\n%s\n", c->buffer);
-#endif
-
- if (c->stream->stream_type == STREAM_TYPE_STATUS)
- goto send_status;
-
- /* open input stream */
- if (open_input_stream(c, info) < 0) {
- snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
- goto send_error;
- }
-
- /* prepare http header */
- q = c->buffer;
- q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
- mime_type = c->stream->fmt->mime_type;
- if (!mime_type)
- mime_type = "application/x-octet-stream";
- q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
-
- /* for asf, we need extra headers */
- if (!strcmp(c->stream->fmt->name,"asf_stream")) {
- /* Need to allocate a client id */
-
- c->wmp_client_id = av_lfg_get(&random_state);
-
- q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
- }
- q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
- q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
-
- /* prepare output buffer */
- c->http_error = 0;
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- c->state = HTTPSTATE_SEND_HEADER;
- return 0;
- send_error:
- c->http_error = 404;
- q = c->buffer;
- q += snprintf(q, c->buffer_size,
- "HTTP/1.0 404 Not Found\r\n"
- "Content-type: text/html\r\n"
- "\r\n"
- "<html>\n"
- "<head><title>404 Not Found</title></head>\n"
- "<body>%s</body>\n"
- "</html>\n", msg);
- /* prepare output buffer */
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- c->state = HTTPSTATE_SEND_HEADER;
- return 0;
- send_status:
- compute_status(c);
- c->http_error = 200; /* horrible : we use this value to avoid
- going to the send data state */
- c->state = HTTPSTATE_SEND_HEADER;
- return 0;
-}
-
-static void fmt_bytecount(AVIOContext *pb, int64_t count)
-{
- static const char suffix[] = " kMGTP";
- const char *s;
-
- for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
-
- avio_printf(pb, "%"PRId64"%c", count, *s);
-}
-
-static void compute_status(HTTPContext *c)
-{
- HTTPContext *c1;
- FFStream *stream;
- char *p;
- time_t ti;
- int i, len;
- AVIOContext *pb;
-
- if (avio_open_dyn_buf(&pb) < 0) {
- /* XXX: return an error ? */
- c->buffer_ptr = c->buffer;
- c->buffer_end = c->buffer;
- return;
- }
-
- avio_printf(pb, "HTTP/1.0 200 OK\r\n");
- avio_printf(pb, "Content-type: %s\r\n", "text/html");
- avio_printf(pb, "Pragma: no-cache\r\n");
- avio_printf(pb, "\r\n");
-
- avio_printf(pb, "<html><head><title>%s Status</title>\n", program_name);
- if (c->stream->feed_filename[0])
- avio_printf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
- avio_printf(pb, "</head>\n<body>");
- avio_printf(pb, "<h1>%s Status</h1>\n", program_name);
- /* format status */
- avio_printf(pb, "<h2>Available Streams</h2>\n");
- avio_printf(pb, "<table cellspacing=0 cellpadding=4>\n");
- avio_printf(pb, "<tr><th valign=top>Path<th align=left>Served<br>Conns<th><br>bytes<th valign=top>Format<th>Bit rate<br>kbits/s<th align=left>Video<br>kbits/s<th><br>Codec<th align=left>Audio<br>kbits/s<th><br>Codec<th align=left valign=top>Feed\n");
- stream = first_stream;
- while (stream != NULL) {
- char sfilename[1024];
- char *eosf;
-
- if (stream->feed != stream) {
- av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
- eosf = sfilename + strlen(sfilename);
- if (eosf - sfilename >= 4) {
- if (strcmp(eosf - 4, ".asf") == 0)
- strcpy(eosf - 4, ".asx");
- else if (strcmp(eosf - 3, ".rm") == 0)
- strcpy(eosf - 3, ".ram");
- else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
- /* generate a sample RTSP director if
- unicast. Generate an SDP redirector if
- multicast */
- eosf = strrchr(sfilename, '.');
- if (!eosf)
- eosf = sfilename + strlen(sfilename);
- if (stream->is_multicast)
- strcpy(eosf, ".sdp");
- else
- strcpy(eosf, ".rtsp");
- }
- }
-
- avio_printf(pb, "<tr><td><a href=\"/%s\">%s</a> ",
- sfilename, stream->filename);
- avio_printf(pb, "<td align=right> %d <td align=right> ",
- stream->conns_served);
- fmt_bytecount(pb, stream->bytes_served);
- switch(stream->stream_type) {
- case STREAM_TYPE_LIVE: {
- int audio_bit_rate = 0;
- int video_bit_rate = 0;
- const char *audio_codec_name = "";
- const char *video_codec_name = "";
- const char *audio_codec_name_extra = "";
- const char *video_codec_name_extra = "";
-
- for(i=0;i<stream->nb_streams;i++) {
- AVStream *st = stream->streams[i];
- AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
- switch(st->codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- audio_bit_rate += st->codec->bit_rate;
- if (codec) {
- if (*audio_codec_name)
- audio_codec_name_extra = "...";
- audio_codec_name = codec->name;
- }
- break;
- case AVMEDIA_TYPE_VIDEO:
- video_bit_rate += st->codec->bit_rate;
- if (codec) {
- if (*video_codec_name)
- video_codec_name_extra = "...";
- video_codec_name = codec->name;
- }
- break;
- case AVMEDIA_TYPE_DATA:
- video_bit_rate += st->codec->bit_rate;
- break;
- default:
- abort();
- }
- }
- avio_printf(pb, "<td align=center> %s <td align=right> %d <td align=right> %d <td> %s %s <td align=right> %d <td> %s %s",
- stream->fmt->name,
- stream->bandwidth,
- video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
- audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
- if (stream->feed)
- avio_printf(pb, "<td>%s", stream->feed->filename);
- else
- avio_printf(pb, "<td>%s", stream->feed_filename);
- avio_printf(pb, "\n");
- }
- break;
- default:
- avio_printf(pb, "<td align=center> - <td align=right> - <td align=right> - <td><td align=right> - <td>\n");
- break;
- }
- }
- stream = stream->next;
- }
- avio_printf(pb, "</table>\n");
-
- stream = first_stream;
- while (stream != NULL) {
- if (stream->feed == stream) {
- avio_printf(pb, "<h2>Feed %s</h2>", stream->filename);
- if (stream->pid) {
- avio_printf(pb, "Running as pid %d.\n", stream->pid);
-
-#if defined(linux) && !defined(CONFIG_NOCUTILS)
- {
- FILE *pid_stat;
- char ps_cmd[64];
-
- /* This is somewhat linux specific I guess */
- snprintf(ps_cmd, sizeof(ps_cmd),
- "ps -o \"%%cpu,cputime\" --no-headers %d",
- stream->pid);
-
- pid_stat = popen(ps_cmd, "r");
- if (pid_stat) {
- char cpuperc[10];
- char cpuused[64];
-
- if (fscanf(pid_stat, "%10s %64s", cpuperc,
- cpuused) == 2) {
- avio_printf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
- cpuperc, cpuused);
- }
- fclose(pid_stat);
- }
- }
-#endif
-
- avio_printf(pb, "<p>");
- }
- avio_printf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
-
- for (i = 0; i < stream->nb_streams; i++) {
- AVStream *st = stream->streams[i];
- AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
- const char *type = "unknown";
- char parameters[64];
-
- parameters[0] = 0;
-
- switch(st->codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- type = "audio";
- snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
- break;
- case AVMEDIA_TYPE_VIDEO:
- type = "video";
- snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
- st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
- break;
- default:
- abort();
- }
- avio_printf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
- i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
- }
- avio_printf(pb, "</table>\n");
-
- }
- stream = stream->next;
- }
-
- /* connection status */
- avio_printf(pb, "<h2>Connection Status</h2>\n");
-
- avio_printf(pb, "Number of connections: %d / %d<br>\n",
- nb_connections, nb_max_connections);
-
- avio_printf(pb, "Bandwidth in use: %"PRIu64"k / %"PRIu64"k<br>\n",
- current_bandwidth, max_bandwidth);
-
- avio_printf(pb, "<table>\n");
- avio_printf(pb, "<tr><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
- c1 = first_http_ctx;
- i = 0;
- while (c1 != NULL) {
- int bitrate;
- int j;
-
- bitrate = 0;
- if (c1->stream) {
- for (j = 0; j < c1->stream->nb_streams; j++) {
- if (!c1->stream->feed)
- bitrate += c1->stream->streams[j]->codec->bit_rate;
- else if (c1->feed_streams[j] >= 0)
- bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
- }
- }
-
- i++;
- p = inet_ntoa(c1->from_addr.sin_addr);
- avio_printf(pb, "<tr><td><b>%d</b><td>%s%s<td>%s<td>%s<td>%s<td align=right>",
- i,
- c1->stream ? c1->stream->filename : "",
- c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
- p,
- c1->protocol,
- http_state[c1->state]);
- fmt_bytecount(pb, bitrate);
- avio_printf(pb, "<td align=right>");
- fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
- avio_printf(pb, "<td align=right>");
- fmt_bytecount(pb, c1->data_count);
- avio_printf(pb, "\n");
- c1 = c1->next;
- }
- avio_printf(pb, "</table>\n");
-
- /* date */
- ti = time(NULL);
- p = ctime(&ti);
- avio_printf(pb, "<hr size=1 noshade>Generated at %s", p);
- avio_printf(pb, "</body>\n</html>\n");
-
- len = avio_close_dyn_buf(pb, &c->pb_buffer);
- c->buffer_ptr = c->pb_buffer;
- c->buffer_end = c->pb_buffer + len;
-}
-
-static int open_input_stream(HTTPContext *c, const char *info)
-{
- char buf[128];
- char input_filename[1024];
- AVFormatContext *s = NULL;
- int i, ret;
- int64_t stream_pos;
-
- /* find file name */
- if (c->stream->feed) {
- strcpy(input_filename, c->stream->feed->feed_filename);
- /* compute position (absolute time) */
- if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
- if ((ret = av_parse_time(&stream_pos, buf, 0)) < 0)
- return ret;
- } else if (av_find_info_tag(buf, sizeof(buf), "buffer", info)) {
- int prebuffer = strtol(buf, 0, 10);
- stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
- } else
- stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
- } else {
- strcpy(input_filename, c->stream->feed_filename);
- /* compute position (relative time) */
- if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
- if ((ret = av_parse_time(&stream_pos, buf, 1)) < 0)
- return ret;
- } else
- stream_pos = 0;
- }
- if (input_filename[0] == '\0')
- return -1;
-
- /* open stream */
- if ((ret = avformat_open_input(&s, input_filename, c->stream->ifmt, &c->stream->in_opts)) < 0) {
- http_log("could not open %s: %d\n", input_filename, ret);
- return -1;
- }
- s->flags |= AVFMT_FLAG_GENPTS;
- c->fmt_in = s;
- if (strcmp(s->iformat->name, "ffm") && avformat_find_stream_info(c->fmt_in, NULL) < 0) {
- http_log("Could not find stream info '%s'\n", input_filename);
- avformat_close_input(&s);
- return -1;
- }
-
- /* choose stream as clock source (we favorize video stream if
- present) for packet sending */
- c->pts_stream_index = 0;
- for(i=0;i<c->stream->nb_streams;i++) {
- if (c->pts_stream_index == 0 &&
- c->stream->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- c->pts_stream_index = i;
- }
- }
-
- if (c->fmt_in->iformat->read_seek)
- av_seek_frame(c->fmt_in, -1, stream_pos, 0);
- /* set the start time (needed for maxtime and RTP packet timing) */
- c->start_time = cur_time;
- c->first_pts = AV_NOPTS_VALUE;
- return 0;
-}
-
-/* return the server clock (in us) */
-static int64_t get_server_clock(HTTPContext *c)
-{
- /* compute current pts value from system time */
- return (cur_time - c->start_time) * 1000;
-}
-
-/* return the estimated time at which the current packet must be sent
- (in us) */
-static int64_t get_packet_send_clock(HTTPContext *c)
-{
- int bytes_left, bytes_sent, frame_bytes;
-
- frame_bytes = c->cur_frame_bytes;
- if (frame_bytes <= 0)
- return c->cur_pts;
- else {
- bytes_left = c->buffer_end - c->buffer_ptr;
- bytes_sent = frame_bytes - bytes_left;
- return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
- }
-}
-
-
-static int http_prepare_data(HTTPContext *c)
-{
- int i, len, ret;
- AVFormatContext *ctx;
-
- av_freep(&c->pb_buffer);
- switch(c->state) {
- case HTTPSTATE_SEND_DATA_HEADER:
- memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
- av_dict_set(&c->fmt_ctx.metadata, "author" , c->stream->author , 0);
- av_dict_set(&c->fmt_ctx.metadata, "comment" , c->stream->comment , 0);
- av_dict_set(&c->fmt_ctx.metadata, "copyright", c->stream->copyright, 0);
- av_dict_set(&c->fmt_ctx.metadata, "title" , c->stream->title , 0);
-
- c->fmt_ctx.streams = av_mallocz(sizeof(AVStream *) * c->stream->nb_streams);
-
- for(i=0;i<c->stream->nb_streams;i++) {
- AVStream *src;
- c->fmt_ctx.streams[i] = av_mallocz(sizeof(AVStream));
- /* if file or feed, then just take streams from FFStream struct */
- if (!c->stream->feed ||
- c->stream->feed == c->stream)
- src = c->stream->streams[i];
- else
- src = c->stream->feed->streams[c->stream->feed_streams[i]];
-
- *(c->fmt_ctx.streams[i]) = *src;
- c->fmt_ctx.streams[i]->priv_data = 0;
- c->fmt_ctx.streams[i]->codec->frame_number = 0; /* XXX: should be done in
- AVStream, not in codec */
- }
- /* set output format parameters */
- c->fmt_ctx.oformat = c->stream->fmt;
- c->fmt_ctx.nb_streams = c->stream->nb_streams;
-
- c->got_key_frame = 0;
-
- /* prepare header and save header data in a stream */
- if (avio_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
- /* XXX: potential leak */
- return -1;
- }
- c->fmt_ctx.pb->seekable = 0;
-
- /*
- * HACK to avoid mpeg ps muxer to spit many underflow errors
- * Default value from Libav
- * Try to set it use configuration option
- */
- c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
-
- if (avformat_write_header(&c->fmt_ctx, NULL) < 0) {
- http_log("Error writing output header\n");
- return -1;
- }
- av_dict_free(&c->fmt_ctx.metadata);
-
- len = avio_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
- c->buffer_ptr = c->pb_buffer;
- c->buffer_end = c->pb_buffer + len;
-
- c->state = HTTPSTATE_SEND_DATA;
- c->last_packet_sent = 0;
- break;
- case HTTPSTATE_SEND_DATA:
- /* find a new packet */
- /* read a packet from the input stream */
- if (c->stream->feed)
- ffm_set_write_index(c->fmt_in,
- c->stream->feed->feed_write_index,
- c->stream->feed->feed_size);
-
- if (c->stream->max_time &&
- c->stream->max_time + c->start_time - cur_time < 0)
- /* We have timed out */
- c->state = HTTPSTATE_SEND_DATA_TRAILER;
- else {
- AVPacket pkt;
- redo:
- ret = av_read_frame(c->fmt_in, &pkt);
- if (ret < 0) {
- if (c->stream->feed) {
- /* if coming from feed, it means we reached the end of the
- ffm file, so must wait for more data */
- c->state = HTTPSTATE_WAIT_FEED;
- return 1; /* state changed */
- } else if (ret == AVERROR(EAGAIN)) {
- /* input not ready, come back later */
- return 0;
- } else {
- if (c->stream->loop) {
- avformat_close_input(&c->fmt_in);
- if (open_input_stream(c, "") < 0)
- goto no_loop;
- goto redo;
- } else {
- no_loop:
- /* must send trailer now because eof or error */
- c->state = HTTPSTATE_SEND_DATA_TRAILER;
- }
- }
- } else {
- int source_index = pkt.stream_index;
- /* update first pts if needed */
- if (c->first_pts == AV_NOPTS_VALUE) {
- c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
- c->start_time = cur_time;
- }
- /* send it to the appropriate stream */
- if (c->stream->feed) {
- /* if coming from a feed, select the right stream */
- if (c->switch_pending) {
- c->switch_pending = 0;
- for(i=0;i<c->stream->nb_streams;i++) {
- if (c->switch_feed_streams[i] == pkt.stream_index)
- if (pkt.flags & AV_PKT_FLAG_KEY)
- c->switch_feed_streams[i] = -1;
- if (c->switch_feed_streams[i] >= 0)
- c->switch_pending = 1;
- }
- }
- for(i=0;i<c->stream->nb_streams;i++) {
- if (c->stream->feed_streams[i] == pkt.stream_index) {
- AVStream *st = c->fmt_in->streams[source_index];
- pkt.stream_index = i;
- if (pkt.flags & AV_PKT_FLAG_KEY &&
- (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
- c->stream->nb_streams == 1))
- c->got_key_frame = 1;
- if (!c->stream->send_on_key || c->got_key_frame)
- goto send_it;
- }
- }
- } else {
- AVCodecContext *codec;
- AVStream *ist, *ost;
- send_it:
- ist = c->fmt_in->streams[source_index];
- /* specific handling for RTP: we use several
- output stream (one for each RTP
- connection). XXX: need more abstract handling */
- if (c->is_packetized) {
- /* compute send time and duration */
- c->cur_pts = av_rescale_q(pkt.dts, ist->time_base, AV_TIME_BASE_Q);
- c->cur_pts -= c->first_pts;
- c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
- /* find RTP context */
- c->packet_stream_index = pkt.stream_index;
- ctx = c->rtp_ctx[c->packet_stream_index];
- if(!ctx) {
- av_free_packet(&pkt);
- break;
- }
- codec = ctx->streams[0]->codec;
- /* only one stream per RTP connection */
- pkt.stream_index = 0;
- } else {
- ctx = &c->fmt_ctx;
- /* Fudge here */
- codec = ctx->streams[pkt.stream_index]->codec;
- }
-
- if (c->is_packetized) {
- int max_packet_size;
- if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP)
- max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
- else
- max_packet_size = c->rtp_handles[c->packet_stream_index]->max_packet_size;
- ret = ffio_open_dyn_packet_buf(&ctx->pb, max_packet_size);
- } else {
- ret = avio_open_dyn_buf(&ctx->pb);
- }
- if (ret < 0) {
- /* XXX: potential leak */
- return -1;
- }
- ost = ctx->streams[pkt.stream_index];
-
- ctx->pb->seekable = 0;
- if (pkt.dts != AV_NOPTS_VALUE)
- pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
- if (pkt.pts != AV_NOPTS_VALUE)
- pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
- pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
- if (av_write_frame(ctx, &pkt) < 0) {
- http_log("Error writing frame to output\n");
- c->state = HTTPSTATE_SEND_DATA_TRAILER;
- }
-
- len = avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
- c->cur_frame_bytes = len;
- c->buffer_ptr = c->pb_buffer;
- c->buffer_end = c->pb_buffer + len;
-
- codec->frame_number++;
- if (len == 0) {
- av_free_packet(&pkt);
- goto redo;
- }
- }
- av_free_packet(&pkt);
- }
- }
- break;
- default:
- case HTTPSTATE_SEND_DATA_TRAILER:
- /* last packet test ? */
- if (c->last_packet_sent || c->is_packetized)
- return -1;
- ctx = &c->fmt_ctx;
- /* prepare header */
- if (avio_open_dyn_buf(&ctx->pb) < 0) {
- /* XXX: potential leak */
- return -1;
- }
- c->fmt_ctx.pb->seekable = 0;
- av_write_trailer(ctx);
- len = avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
- c->buffer_ptr = c->pb_buffer;
- c->buffer_end = c->pb_buffer + len;
-
- c->last_packet_sent = 1;
- break;
- }
- return 0;
-}
-
-/* should convert the format at the same time */
-/* send data starting at c->buffer_ptr to the output connection
- (either UDP or TCP connection) */
-static int http_send_data(HTTPContext *c)
-{
- int len, ret;
-
- for(;;) {
- if (c->buffer_ptr >= c->buffer_end) {
- ret = http_prepare_data(c);
- if (ret < 0)
- return -1;
- else if (ret != 0)
- /* state change requested */
- break;
- } else {
- if (c->is_packetized) {
- /* RTP data output */
- len = c->buffer_end - c->buffer_ptr;
- if (len < 4) {
- /* fail safe - should never happen */
- fail1:
- c->buffer_ptr = c->buffer_end;
- return 0;
- }
- len = (c->buffer_ptr[0] << 24) |
- (c->buffer_ptr[1] << 16) |
- (c->buffer_ptr[2] << 8) |
- (c->buffer_ptr[3]);
- if (len > (c->buffer_end - c->buffer_ptr))
- goto fail1;
- if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
- /* nothing to send yet: we can wait */
- return 0;
- }
-
- c->data_count += len;
- update_datarate(&c->datarate, c->data_count);
- if (c->stream)
- c->stream->bytes_served += len;
-
- if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP) {
- /* RTP packets are sent inside the RTSP TCP connection */
- AVIOContext *pb;
- int interleaved_index, size;
- uint8_t header[4];
- HTTPContext *rtsp_c;
-
- rtsp_c = c->rtsp_c;
- /* if no RTSP connection left, error */
- if (!rtsp_c)
- return -1;
- /* if already sending something, then wait. */
- if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
- break;
- if (avio_open_dyn_buf(&pb) < 0)
- goto fail1;
- interleaved_index = c->packet_stream_index * 2;
- /* RTCP packets are sent at odd indexes */
- if (c->buffer_ptr[1] == 200)
- interleaved_index++;
- /* write RTSP TCP header */
- header[0] = '$';
- header[1] = interleaved_index;
- header[2] = len >> 8;
- header[3] = len;
- avio_write(pb, header, 4);
- /* write RTP packet data */
- c->buffer_ptr += 4;
- avio_write(pb, c->buffer_ptr, len);
- size = avio_close_dyn_buf(pb, &c->packet_buffer);
- /* prepare asynchronous TCP sending */
- rtsp_c->packet_buffer_ptr = c->packet_buffer;
- rtsp_c->packet_buffer_end = c->packet_buffer + size;
- c->buffer_ptr += len;
-
- /* send everything we can NOW */
- len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
- rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
- if (len > 0)
- rtsp_c->packet_buffer_ptr += len;
- if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
- /* if we could not send all the data, we will
- send it later, so a new state is needed to
- "lock" the RTSP TCP connection */
- rtsp_c->state = RTSPSTATE_SEND_PACKET;
- break;
- } else
- /* all data has been sent */
- av_freep(&c->packet_buffer);
- } else {
- /* send RTP packet directly in UDP */
- c->buffer_ptr += 4;
- ffurl_write(c->rtp_handles[c->packet_stream_index],
- c->buffer_ptr, len);
- c->buffer_ptr += len;
- /* here we continue as we can send several packets per 10 ms slot */
- }
- } else {
- /* TCP data output */
- len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
- if (len < 0) {
- if (ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR))
- /* error : close connection */
- return -1;
- else
- return 0;
- } else
- c->buffer_ptr += len;
-
- c->data_count += len;
- update_datarate(&c->datarate, c->data_count);
- if (c->stream)
- c->stream->bytes_served += len;
- break;
- }
- }
- } /* for(;;) */
- return 0;
-}
-
-static int http_start_receive_data(HTTPContext *c)
-{
- int fd;
-
- if (c->stream->feed_opened)
- return -1;
-
- /* Don't permit writing to this one */
- if (c->stream->readonly)
- return -1;
-
- /* open feed */
- fd = open(c->stream->feed_filename, O_RDWR);
- if (fd < 0) {
- http_log("Error opening feeder file: %s\n", strerror(errno));
- return -1;
- }
- c->feed_fd = fd;
-
- if (c->stream->truncate) {
- /* truncate feed file */
- ffm_write_write_index(c->feed_fd, FFM_PACKET_SIZE);
- http_log("Truncating feed file '%s'\n", c->stream->feed_filename);
- if (ftruncate(c->feed_fd, FFM_PACKET_SIZE) < 0) {
- http_log("Error truncating feed file: %s\n", strerror(errno));
- return -1;
- }
- } else {
- if ((c->stream->feed_write_index = ffm_read_write_index(fd)) < 0) {
- http_log("Error reading write index from feed file: %s\n", strerror(errno));
- return -1;
- }
- }
-
- c->stream->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
- c->stream->feed_size = lseek(fd, 0, SEEK_END);
- lseek(fd, 0, SEEK_SET);
-
- /* init buffer input */
- c->buffer_ptr = c->buffer;
- c->buffer_end = c->buffer + FFM_PACKET_SIZE;
- c->stream->feed_opened = 1;
- c->chunked_encoding = !!av_stristr(c->buffer, "Transfer-Encoding: chunked");
- return 0;
-}
-
-static int http_receive_data(HTTPContext *c)
-{
- HTTPContext *c1;
- int len, loop_run = 0;
-
- while (c->chunked_encoding && !c->chunk_size &&
- c->buffer_end > c->buffer_ptr) {
- /* read chunk header, if present */
- len = recv(c->fd, c->buffer_ptr, 1, 0);
-
- if (len < 0) {
- if (ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR))
- /* error : close connection */
- goto fail;
- return 0;
- } else if (len == 0) {
- /* end of connection : close it */
- goto fail;
- } else if (c->buffer_ptr - c->buffer >= 2 &&
- !memcmp(c->buffer_ptr - 1, "\r\n", 2)) {
- c->chunk_size = strtol(c->buffer, 0, 16);
- if (c->chunk_size == 0) // end of stream
- goto fail;
- c->buffer_ptr = c->buffer;
- break;
- } else if (++loop_run > 10) {
- /* no chunk header, abort */
- goto fail;
- } else {
- c->buffer_ptr++;
- }
- }
-
- if (c->buffer_end > c->buffer_ptr) {
- len = recv(c->fd, c->buffer_ptr,
- FFMIN(c->chunk_size, c->buffer_end - c->buffer_ptr), 0);
- if (len < 0) {
- if (ff_neterrno() != AVERROR(EAGAIN) &&
- ff_neterrno() != AVERROR(EINTR))
- /* error : close connection */
- goto fail;
- } else if (len == 0)
- /* end of connection : close it */
- goto fail;
- else {
- c->chunk_size -= len;
- c->buffer_ptr += len;
- c->data_count += len;
- update_datarate(&c->datarate, c->data_count);
- }
- }
-
- if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
- if (c->buffer[0] != 'f' ||
- c->buffer[1] != 'm') {
- http_log("Feed stream has become desynchronized -- disconnecting\n");
- goto fail;
- }
- }
-
- if (c->buffer_ptr >= c->buffer_end) {
- FFStream *feed = c->stream;
- /* a packet has been received : write it in the store, except
- if header */
- if (c->data_count > FFM_PACKET_SIZE) {
- /* XXX: use llseek or url_seek */
- lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
- if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
- http_log("Error writing to feed file: %s\n", strerror(errno));
- goto fail;
- }
-
- feed->feed_write_index += FFM_PACKET_SIZE;
- /* update file size */
- if (feed->feed_write_index > c->stream->feed_size)
- feed->feed_size = feed->feed_write_index;
-
- /* handle wrap around if max file size reached */
- if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
- feed->feed_write_index = FFM_PACKET_SIZE;
-
- /* write index */
- if (ffm_write_write_index(c->feed_fd, feed->feed_write_index) < 0) {
- http_log("Error writing index to feed file: %s\n", strerror(errno));
- goto fail;
- }
-
- /* wake up any waiting connections */
- for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
- if (c1->state == HTTPSTATE_WAIT_FEED &&
- c1->stream->feed == c->stream->feed)
- c1->state = HTTPSTATE_SEND_DATA;
- }
- } else {
- /* We have a header in our hands that contains useful data */
- AVFormatContext *s = avformat_alloc_context();
- AVIOContext *pb;
- AVInputFormat *fmt_in;
- int i;
-
- if (!s)
- goto fail;
-
- /* use feed output format name to find corresponding input format */
- fmt_in = av_find_input_format(feed->fmt->name);
- if (!fmt_in)
- goto fail;
-
- pb = avio_alloc_context(c->buffer, c->buffer_end - c->buffer,
- 0, NULL, NULL, NULL, NULL);
- pb->seekable = 0;
-
- s->pb = pb;
- if (avformat_open_input(&s, c->stream->feed_filename, fmt_in, NULL) < 0) {
- av_free(pb);
- goto fail;
- }
-
- /* Now we have the actual streams */
- if (s->nb_streams != feed->nb_streams) {
- avformat_close_input(&s);
- av_free(pb);
- http_log("Feed '%s' stream number does not match registered feed\n",
- c->stream->feed_filename);
- goto fail;
- }
-
- for (i = 0; i < s->nb_streams; i++) {
- AVStream *fst = feed->streams[i];
- AVStream *st = s->streams[i];
- avcodec_copy_context(fst->codec, st->codec);
- }
-
- avformat_close_input(&s);
- av_free(pb);
- }
- c->buffer_ptr = c->buffer;
- }
-
- return 0;
- fail:
- c->stream->feed_opened = 0;
- close(c->feed_fd);
- /* wake up any waiting connections to stop waiting for feed */
- for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
- if (c1->state == HTTPSTATE_WAIT_FEED &&
- c1->stream->feed == c->stream->feed)
- c1->state = HTTPSTATE_SEND_DATA_TRAILER;
- }
- return -1;
-}
-
-/********************************************************************/
-/* RTSP handling */
-
-static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
-{
- const char *str;
- time_t ti;
- struct tm *tm;
- char buf2[32];
-
- switch(error_number) {
- case RTSP_STATUS_OK:
- str = "OK";
- break;
- case RTSP_STATUS_METHOD:
- str = "Method Not Allowed";
- break;
- case RTSP_STATUS_BANDWIDTH:
- str = "Not Enough Bandwidth";
- break;
- case RTSP_STATUS_SESSION:
- str = "Session Not Found";
- break;
- case RTSP_STATUS_STATE:
- str = "Method Not Valid in This State";
- break;
- case RTSP_STATUS_AGGREGATE:
- str = "Aggregate operation not allowed";
- break;
- case RTSP_STATUS_ONLY_AGGREGATE:
- str = "Only aggregate operation allowed";
- break;
- case RTSP_STATUS_TRANSPORT:
- str = "Unsupported transport";
- break;
- case RTSP_STATUS_INTERNAL:
- str = "Internal Server Error";
- break;
- case RTSP_STATUS_SERVICE:
- str = "Service Unavailable";
- break;
- case RTSP_STATUS_VERSION:
- str = "RTSP Version not supported";
- break;
- default:
- str = "Unknown Error";
- break;
- }
-
- avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
- avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
-
- /* output GMT time */
- ti = time(NULL);
- tm = gmtime(&ti);
- strftime(buf2, sizeof(buf2), "%a, %d %b %Y %H:%M:%S", tm);
- avio_printf(c->pb, "Date: %s GMT\r\n", buf2);
-}
-
-static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
-{
- rtsp_reply_header(c, error_number);
- avio_printf(c->pb, "\r\n");
-}
-
-static int rtsp_parse_request(HTTPContext *c)
-{
- const char *p, *p1, *p2;
- char cmd[32];
- char url[1024];
- char protocol[32];
- char line[1024];
- int len;
- RTSPMessageHeader header1 = { 0 }, *header = &header1;
-
- c->buffer_ptr[0] = '\0';
- p = c->buffer;
-
- get_word(cmd, sizeof(cmd), &p);
- get_word(url, sizeof(url), &p);
- get_word(protocol, sizeof(protocol), &p);
-
- av_strlcpy(c->method, cmd, sizeof(c->method));
- av_strlcpy(c->url, url, sizeof(c->url));
- av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
-
- if (avio_open_dyn_buf(&c->pb) < 0) {
- /* XXX: cannot do more */
- c->pb = NULL; /* safety */
- return -1;
- }
-
- /* check version name */
- if (strcmp(protocol, "RTSP/1.0") != 0) {
- rtsp_reply_error(c, RTSP_STATUS_VERSION);
- goto the_end;
- }
-
- /* parse each header line */
- /* skip to next line */
- while (*p != '\n' && *p != '\0')
- p++;
- if (*p == '\n')
- p++;
- while (*p != '\0') {
- p1 = memchr(p, '\n', (char *)c->buffer_ptr - p);
- if (!p1)
- break;
- p2 = p1;
- if (p2 > p && p2[-1] == '\r')
- p2--;
- /* skip empty line */
- if (p2 == p)
- break;
- len = p2 - p;
- if (len > sizeof(line) - 1)
- len = sizeof(line) - 1;
- memcpy(line, p, len);
- line[len] = '\0';
- ff_rtsp_parse_line(header, line, NULL, NULL);
- p = p1 + 1;
- }
-
- /* handle sequence number */
- c->seq = header->seq;
-
- if (!strcmp(cmd, "DESCRIBE"))
- rtsp_cmd_describe(c, url);
- else if (!strcmp(cmd, "OPTIONS"))
- rtsp_cmd_options(c, url);
- else if (!strcmp(cmd, "SETUP"))
- rtsp_cmd_setup(c, url, header);
- else if (!strcmp(cmd, "PLAY"))
- rtsp_cmd_play(c, url, header);
- else if (!strcmp(cmd, "PAUSE"))
- rtsp_cmd_pause(c, url, header);
- else if (!strcmp(cmd, "TEARDOWN"))
- rtsp_cmd_teardown(c, url, header);
- else
- rtsp_reply_error(c, RTSP_STATUS_METHOD);
-
- the_end:
- len = avio_close_dyn_buf(c->pb, &c->pb_buffer);
- c->pb = NULL; /* safety */
- if (len < 0) {
- /* XXX: cannot do more */
- return -1;
- }
- c->buffer_ptr = c->pb_buffer;
- c->buffer_end = c->pb_buffer + len;
- c->state = RTSPSTATE_SEND_REPLY;
- return 0;
-}
-
-static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
- struct in_addr my_ip)
-{
- AVFormatContext *avc;
- AVStream *avs = NULL;
- int i;
-
- avc = avformat_alloc_context();
- if (avc == NULL) {
- return -1;
- }
- av_dict_set(&avc->metadata, "title",
- stream->title[0] ? stream->title : "No Title", 0);
- avc->nb_streams = stream->nb_streams;
- if (stream->is_multicast) {
- snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
- inet_ntoa(stream->multicast_ip),
- stream->multicast_port, stream->multicast_ttl);
- } else {
- snprintf(avc->filename, 1024, "rtp://0.0.0.0");
- }
-
- if (avc->nb_streams >= INT_MAX/sizeof(*avc->streams) ||
- !(avc->streams = av_malloc(avc->nb_streams * sizeof(*avc->streams))))
- goto sdp_done;
- if (avc->nb_streams >= INT_MAX/sizeof(*avs) ||
- !(avs = av_malloc(avc->nb_streams * sizeof(*avs))))
- goto sdp_done;
-
- for(i = 0; i < stream->nb_streams; i++) {
- avc->streams[i] = &avs[i];
- avc->streams[i]->codec = stream->streams[i]->codec;
- }
- *pbuffer = av_mallocz(2048);
- av_sdp_create(&avc, 1, *pbuffer, 2048);
-
- sdp_done:
- av_free(avc->streams);
- av_dict_free(&avc->metadata);
- av_free(avc);
- av_free(avs);
-
- return strlen(*pbuffer);
-}
-
-static void rtsp_cmd_options(HTTPContext *c, const char *url)
-{
-// rtsp_reply_header(c, RTSP_STATUS_OK);
- avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
- avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
- avio_printf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
- avio_printf(c->pb, "\r\n");
-}
-
-static void rtsp_cmd_describe(HTTPContext *c, const char *url)
-{
- FFStream *stream;
- char path1[1024];
- const char *path;
- uint8_t *content;
- int content_length;
- socklen_t len;
- struct sockaddr_in my_addr;
-
- /* find which url is asked */
- av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
- path = path1;
- if (*path == '/')
- path++;
-
- for(stream = first_stream; stream != NULL; stream = stream->next) {
- if (!stream->is_feed &&
- stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
- !strcmp(path, stream->filename)) {
- goto found;
- }
- }
- /* no stream found */
- rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
- return;
-
- found:
- /* prepare the media description in sdp format */
-
- /* get the host IP */
- len = sizeof(my_addr);
- getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
- content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
- if (content_length < 0) {
- rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
- return;
- }
- rtsp_reply_header(c, RTSP_STATUS_OK);
- avio_printf(c->pb, "Content-Base: %s/\r\n", url);
- avio_printf(c->pb, "Content-Type: application/sdp\r\n");
- avio_printf(c->pb, "Content-Length: %d\r\n", content_length);
- avio_printf(c->pb, "\r\n");
- avio_write(c->pb, content, content_length);
- av_free(content);
-}
-
-static HTTPContext *find_rtp_session(const char *session_id)
-{
- HTTPContext *c;
-
- if (session_id[0] == '\0')
- return NULL;
-
- for(c = first_http_ctx; c != NULL; c = c->next) {
- if (!strcmp(c->session_id, session_id))
- return c;
- }
- return NULL;
-}
-
-static RTSPTransportField *find_transport(RTSPMessageHeader *h, enum RTSPLowerTransport lower_transport)
-{
- RTSPTransportField *th;
- int i;
-
- for(i=0;i<h->nb_transports;i++) {
- th = &h->transports[i];
- if (th->lower_transport == lower_transport)
- return th;
- }
- return NULL;
-}
-
-static void rtsp_cmd_setup(HTTPContext *c, const char *url,
- RTSPMessageHeader *h)
-{
- FFStream *stream;
- int stream_index, rtp_port, rtcp_port;
- char buf[1024];
- char path1[1024];
- const char *path;
- HTTPContext *rtp_c;
- RTSPTransportField *th;
- struct sockaddr_in dest_addr;
- RTSPActionServerSetup setup;
-
- /* find which url is asked */
- av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
- path = path1;
- if (*path == '/')
- path++;
-
- /* now check each stream */
- for(stream = first_stream; stream != NULL; stream = stream->next) {
- if (!stream->is_feed &&
- stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
- /* accept aggregate filenames only if single stream */
- if (!strcmp(path, stream->filename)) {
- if (stream->nb_streams != 1) {
- rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
- return;
- }
- stream_index = 0;
- goto found;
- }
-
- for(stream_index = 0; stream_index < stream->nb_streams;
- stream_index++) {
- snprintf(buf, sizeof(buf), "%s/streamid=%d",
- stream->filename, stream_index);
- if (!strcmp(path, buf))
- goto found;
- }
- }
- }
- /* no stream found */
- rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
- return;
- found:
-
- /* generate session id if needed */
- if (h->session_id[0] == '\0')
- snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
- av_lfg_get(&random_state), av_lfg_get(&random_state));
-
- /* find rtp session, and create it if none found */
- rtp_c = find_rtp_session(h->session_id);
- if (!rtp_c) {
- /* always prefer UDP */
- th = find_transport(h, RTSP_LOWER_TRANSPORT_UDP);
- if (!th) {
- th = find_transport(h, RTSP_LOWER_TRANSPORT_TCP);
- if (!th) {
- rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
- return;
- }
- }
-
- rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
- th->lower_transport);
- if (!rtp_c) {
- rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
- return;
- }
-
- /* open input stream */
- if (open_input_stream(rtp_c, "") < 0) {
- rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
- return;
- }
- }
-
- /* test if stream is OK (test needed because several SETUP needs
- to be done for a given file) */
- if (rtp_c->stream != stream) {
- rtsp_reply_error(c, RTSP_STATUS_SERVICE);
- return;
- }
-
- /* test if stream is already set up */
- if (rtp_c->rtp_ctx[stream_index]) {
- rtsp_reply_error(c, RTSP_STATUS_STATE);
- return;
- }
-
- /* check transport */
- th = find_transport(h, rtp_c->rtp_protocol);
- if (!th || (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP &&
- th->client_port_min <= 0)) {
- rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
- return;
- }
-
- /* setup default options */
- setup.transport_option[0] = '\0';
- dest_addr = rtp_c->from_addr;
- dest_addr.sin_port = htons(th->client_port_min);
-
- /* setup stream */
- if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
- rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
- return;
- }
-
- /* now everything is OK, so we can send the connection parameters */
- rtsp_reply_header(c, RTSP_STATUS_OK);
- /* session ID */
- avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
-
- switch(rtp_c->rtp_protocol) {
- case RTSP_LOWER_TRANSPORT_UDP:
- rtp_port = ff_rtp_get_local_rtp_port(rtp_c->rtp_handles[stream_index]);
- rtcp_port = ff_rtp_get_local_rtcp_port(rtp_c->rtp_handles[stream_index]);
- avio_printf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
- "client_port=%d-%d;server_port=%d-%d",
- th->client_port_min, th->client_port_max,
- rtp_port, rtcp_port);
- break;
- case RTSP_LOWER_TRANSPORT_TCP:
- avio_printf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
- stream_index * 2, stream_index * 2 + 1);
- break;
- default:
- break;
- }
- if (setup.transport_option[0] != '\0')
- avio_printf(c->pb, ";%s", setup.transport_option);
- avio_printf(c->pb, "\r\n");
-
-
- avio_printf(c->pb, "\r\n");
-}
-
-
-/* find an rtp connection by using the session ID. Check consistency
- with filename */
-static HTTPContext *find_rtp_session_with_url(const char *url,
- const char *session_id)
-{
- HTTPContext *rtp_c;
- char path1[1024];
- const char *path;
- char buf[1024];
- int s, len;
-
- rtp_c = find_rtp_session(session_id);
- if (!rtp_c)
- return NULL;
-
- /* find which url is asked */
- av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
- path = path1;
- if (*path == '/')
- path++;
- if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
- for(s=0; s<rtp_c->stream->nb_streams; ++s) {
- snprintf(buf, sizeof(buf), "%s/streamid=%d",
- rtp_c->stream->filename, s);
- if(!strncmp(path, buf, sizeof(buf))) {
- // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
- return rtp_c;
- }
- }
- len = strlen(path);
- if (len > 0 && path[len - 1] == '/' &&
- !strncmp(path, rtp_c->stream->filename, len - 1))
- return rtp_c;
- return NULL;
-}
-
-static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h)
-{
- HTTPContext *rtp_c;
-
- rtp_c = find_rtp_session_with_url(url, h->session_id);
- if (!rtp_c) {
- rtsp_reply_error(c, RTSP_STATUS_SESSION);
- return;
- }
-
- if (rtp_c->state != HTTPSTATE_SEND_DATA &&
- rtp_c->state != HTTPSTATE_WAIT_FEED &&
- rtp_c->state != HTTPSTATE_READY) {
- rtsp_reply_error(c, RTSP_STATUS_STATE);
- return;
- }
-
- rtp_c->state = HTTPSTATE_SEND_DATA;
-
- /* now everything is OK, so we can send the connection parameters */
- rtsp_reply_header(c, RTSP_STATUS_OK);
- /* session ID */
- avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
- avio_printf(c->pb, "\r\n");
-}
-
-static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h)
-{
- HTTPContext *rtp_c;
-
- rtp_c = find_rtp_session_with_url(url, h->session_id);
- if (!rtp_c) {
- rtsp_reply_error(c, RTSP_STATUS_SESSION);
- return;
- }
-
- if (rtp_c->state != HTTPSTATE_SEND_DATA &&
- rtp_c->state != HTTPSTATE_WAIT_FEED) {
- rtsp_reply_error(c, RTSP_STATUS_STATE);
- return;
- }
-
- rtp_c->state = HTTPSTATE_READY;
- rtp_c->first_pts = AV_NOPTS_VALUE;
- /* now everything is OK, so we can send the connection parameters */
- rtsp_reply_header(c, RTSP_STATUS_OK);
- /* session ID */
- avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
- avio_printf(c->pb, "\r\n");
-}
-
-static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h)
-{
- HTTPContext *rtp_c;
-
- rtp_c = find_rtp_session_with_url(url, h->session_id);
- if (!rtp_c) {
- rtsp_reply_error(c, RTSP_STATUS_SESSION);
- return;
- }
-
- /* now everything is OK, so we can send the connection parameters */
- rtsp_reply_header(c, RTSP_STATUS_OK);
- /* session ID */
- avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
- avio_printf(c->pb, "\r\n");
-
- /* abort the session */
- close_connection(rtp_c);
-}
-
-
-/********************************************************************/
-/* RTP handling */
-
-static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
- FFStream *stream, const char *session_id,
- enum RTSPLowerTransport rtp_protocol)
-{
- HTTPContext *c = NULL;
- const char *proto_str;
-
- /* XXX: should output a warning page when coming
- close to the connection limit */
- if (nb_connections >= nb_max_connections)
- goto fail;
-
- /* add a new connection */
- c = av_mallocz(sizeof(HTTPContext));
- if (!c)
- goto fail;
-
- c->fd = -1;
- c->poll_entry = NULL;
- c->from_addr = *from_addr;
- c->buffer_size = IOBUFFER_INIT_SIZE;
- c->buffer = av_malloc(c->buffer_size);
- if (!c->buffer)
- goto fail;
- nb_connections++;
- c->stream = stream;
- av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
- c->state = HTTPSTATE_READY;
- c->is_packetized = 1;
- c->rtp_protocol = rtp_protocol;
-
- /* protocol is shown in statistics */
- switch(c->rtp_protocol) {
- case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
- proto_str = "MCAST";
- break;
- case RTSP_LOWER_TRANSPORT_UDP:
- proto_str = "UDP";
- break;
- case RTSP_LOWER_TRANSPORT_TCP:
- proto_str = "TCP";
- break;
- default:
- proto_str = "???";
- break;
- }
- av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
- av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
-
- current_bandwidth += stream->bandwidth;
-
- c->next = first_http_ctx;
- first_http_ctx = c;
- return c;
-
- fail:
- if (c) {
- av_free(c->buffer);
- av_free(c);
- }
- return NULL;
-}
-
-/* add a new RTP stream in an RTP connection (used in RTSP SETUP
- command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
- used. */
-static int rtp_new_av_stream(HTTPContext *c,
- int stream_index, struct sockaddr_in *dest_addr,
- HTTPContext *rtsp_c)
-{
- AVFormatContext *ctx;
- AVStream *st;
- char *ipaddr;
- URLContext *h = NULL;
- uint8_t *dummy_buf;
- int max_packet_size;
-
- /* now we can open the relevant output stream */
- ctx = avformat_alloc_context();
- if (!ctx)
- return -1;
- ctx->oformat = av_guess_format("rtp", NULL, NULL);
-
- st = av_mallocz(sizeof(AVStream));
- if (!st)
- goto fail;
- ctx->nb_streams = 1;
- ctx->streams = av_mallocz(sizeof(AVStream *) * ctx->nb_streams);
- if (!ctx->streams)
- goto fail;
- ctx->streams[0] = st;
-
- if (!c->stream->feed ||
- c->stream->feed == c->stream)
- memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
- else
- memcpy(st,
- c->stream->feed->streams[c->stream->feed_streams[stream_index]],
- sizeof(AVStream));
- st->priv_data = NULL;
-
- /* build destination RTP address */
- ipaddr = inet_ntoa(dest_addr->sin_addr);
-
- switch(c->rtp_protocol) {
- case RTSP_LOWER_TRANSPORT_UDP:
- case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
- /* RTP/UDP case */
-
- /* XXX: also pass as parameter to function ? */
- if (c->stream->is_multicast) {
- int ttl;
- ttl = c->stream->multicast_ttl;
- if (!ttl)
- ttl = 16;
- snprintf(ctx->filename, sizeof(ctx->filename),
- "rtp://%s:%d?multicast=1&ttl=%d",
- ipaddr, ntohs(dest_addr->sin_port), ttl);
- } else {
- snprintf(ctx->filename, sizeof(ctx->filename),
- "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
- }
-
- if (ffurl_open(&h, ctx->filename, AVIO_FLAG_WRITE, NULL, NULL) < 0)
- goto fail;
- c->rtp_handles[stream_index] = h;
- max_packet_size = h->max_packet_size;
- break;
- case RTSP_LOWER_TRANSPORT_TCP:
- /* RTP/TCP case */
- c->rtsp_c = rtsp_c;
- max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
- break;
- default:
- goto fail;
- }
-
- http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
- ipaddr, ntohs(dest_addr->sin_port),
- c->stream->filename, stream_index, c->protocol);
-
- /* normally, no packets should be output here, but the packet size may be checked */
- if (ffio_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
- /* XXX: close stream */
- goto fail;
- }
- if (avformat_write_header(ctx, NULL) < 0) {
- fail:
- if (h)
- ffurl_close(h);
- av_free(ctx);
- return -1;
- }
- avio_close_dyn_buf(ctx->pb, &dummy_buf);
- av_free(dummy_buf);
-
- c->rtp_ctx[stream_index] = ctx;
- return 0;
-}
-
-/********************************************************************/
-/* avserver initialization */
-
-static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec, int copy)
-{
- AVStream *fst;
-
- fst = av_mallocz(sizeof(AVStream));
- if (!fst)
- return NULL;
- if (copy) {
- fst->codec = avcodec_alloc_context3(NULL);
- memcpy(fst->codec, codec, sizeof(AVCodecContext));
- if (codec->extradata_size) {
- fst->codec->extradata = av_malloc(codec->extradata_size);
- memcpy(fst->codec->extradata, codec->extradata,
- codec->extradata_size);
- }
- } else {
- /* live streams must use the actual feed's codec since it may be
- * updated later to carry extradata needed by the streams.
- */
- fst->codec = codec;
- }
- fst->priv_data = av_mallocz(sizeof(FeedData));
- fst->index = stream->nb_streams;
- avpriv_set_pts_info(fst, 33, 1, 90000);
- fst->sample_aspect_ratio = codec->sample_aspect_ratio;
- stream->streams[stream->nb_streams++] = fst;
- return fst;
-}
-
-/* return the stream number in the feed */
-static int add_av_stream(FFStream *feed, AVStream *st)
-{
- AVStream *fst;
- AVCodecContext *av, *av1;
- int i;
-
- av = st->codec;
- for(i=0;i<feed->nb_streams;i++) {
- st = feed->streams[i];
- av1 = st->codec;
- if (av1->codec_id == av->codec_id &&
- av1->codec_type == av->codec_type &&
- av1->bit_rate == av->bit_rate) {
-
- switch(av->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- if (av1->channels == av->channels &&
- av1->sample_rate == av->sample_rate)
- return i;
- break;
- case AVMEDIA_TYPE_VIDEO:
- if (av1->width == av->width &&
- av1->height == av->height &&
- av1->time_base.den == av->time_base.den &&
- av1->time_base.num == av->time_base.num &&
- av1->gop_size == av->gop_size)
- return i;
- break;
- default:
- abort();
- }
- }
- }
-
- fst = add_av_stream1(feed, av, 0);
- if (!fst)
- return -1;
- return feed->nb_streams - 1;
-}
-
-static void remove_stream(FFStream *stream)
-{
- FFStream **ps;
- ps = &first_stream;
- while (*ps != NULL) {
- if (*ps == stream)
- *ps = (*ps)->next;
- else
- ps = &(*ps)->next;
- }
-}
-
-/* specific mpeg4 handling : we extract the raw parameters */
-static void extract_mpeg4_header(AVFormatContext *infile)
-{
- int mpeg4_count, i, size;
- AVPacket pkt;
- AVStream *st;
- const uint8_t *p;
-
- infile->flags |= AVFMT_FLAG_NOFILLIN | AVFMT_FLAG_NOPARSE;
-
- mpeg4_count = 0;
- for(i=0;i<infile->nb_streams;i++) {
- st = infile->streams[i];
- if (st->codec->codec_id == AV_CODEC_ID_MPEG4 &&
- st->codec->extradata_size == 0) {
- mpeg4_count++;
- }
- }
- if (!mpeg4_count)
- return;
-
- printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
- while (mpeg4_count > 0) {
- if (av_read_frame(infile, &pkt) < 0)
- break;
- st = infile->streams[pkt.stream_index];
- if (st->codec->codec_id == AV_CODEC_ID_MPEG4 &&
- st->codec->extradata_size == 0) {
- av_freep(&st->codec->extradata);
- /* fill extradata with the header */
- /* XXX: we make hard suppositions here ! */
- p = pkt.data;
- while (p < pkt.data + pkt.size - 4) {
- /* stop when vop header is found */
- if (p[0] == 0x00 && p[1] == 0x00 &&
- p[2] == 0x01 && p[3] == 0xb6) {
- size = p - pkt.data;
- // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
- st->codec->extradata = av_malloc(size);
- st->codec->extradata_size = size;
- memcpy(st->codec->extradata, pkt.data, size);
- break;
- }
- p++;
- }
- mpeg4_count--;
- }
- av_free_packet(&pkt);
- }
-}
-
-/* compute the needed AVStream for each file */
-static void build_file_streams(void)
-{
- FFStream *stream, *stream_next;
- int i, ret;
-
- /* gather all streams */
- for(stream = first_stream; stream != NULL; stream = stream_next) {
- AVFormatContext *infile = NULL;
- stream_next = stream->next;
- if (stream->stream_type == STREAM_TYPE_LIVE &&
- !stream->feed) {
- /* the stream comes from a file */
- /* try to open the file */
- /* open stream */
- if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
- /* specific case : if transport stream output to RTP,
- we use a raw transport stream reader */
- av_dict_set(&stream->in_opts, "mpeg2ts_compute_pcr", "1", 0);
- }
-
- http_log("Opening file '%s'\n", stream->feed_filename);
- if ((ret = avformat_open_input(&infile, stream->feed_filename, stream->ifmt, &stream->in_opts)) < 0) {
- http_log("Could not open '%s': %d\n", stream->feed_filename, ret);
- /* remove stream (no need to spend more time on it) */
- fail:
- remove_stream(stream);
- } else {
- /* find all the AVStreams inside and reference them in
- 'stream' */
- if (avformat_find_stream_info(infile, NULL) < 0) {
- http_log("Could not find codec parameters from '%s'\n",
- stream->feed_filename);
- avformat_close_input(&infile);
- goto fail;
- }
- extract_mpeg4_header(infile);
-
- for(i=0;i<infile->nb_streams;i++)
- add_av_stream1(stream, infile->streams[i]->codec, 1);
-
- avformat_close_input(&infile);
- }
- }
- }
-}
-
-/* compute the needed AVStream for each feed */
-static void build_feed_streams(void)
-{
- FFStream *stream, *feed;
- int i;
-
- /* gather all streams */
- for(stream = first_stream; stream != NULL; stream = stream->next) {
- feed = stream->feed;
- if (feed) {
- if (stream->is_feed) {
- for(i=0;i<stream->nb_streams;i++)
- stream->feed_streams[i] = i;
- } else {
- /* we handle a stream coming from a feed */
- for(i=0;i<stream->nb_streams;i++)
- stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
- }
- }
- }
-
- /* create feed files if needed */
- for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
- int fd;
-
- if (avio_check(feed->feed_filename, AVIO_FLAG_READ) > 0) {
- /* See if it matches */
- AVFormatContext *s = NULL;
- int matches = 0;
-
- if (avformat_open_input(&s, feed->feed_filename, NULL, NULL) >= 0) {
- /* Now see if it matches */
- if (s->nb_streams == feed->nb_streams) {
- matches = 1;
- for(i=0;i<s->nb_streams;i++) {
- AVStream *sf, *ss;
- sf = feed->streams[i];
- ss = s->streams[i];
-
- if (sf->index != ss->index ||
- sf->id != ss->id) {
- http_log("Index & Id do not match for stream %d (%s)\n",
- i, feed->feed_filename);
- matches = 0;
- } else {
- AVCodecContext *ccf, *ccs;
-
- ccf = sf->codec;
- ccs = ss->codec;
-#define CHECK_CODEC(x) (ccf->x != ccs->x)
-
- if (CHECK_CODEC(codec_id) || CHECK_CODEC(codec_type)) {
- http_log("Codecs do not match for stream %d\n", i);
- matches = 0;
- } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
- http_log("Codec bitrates do not match for stream %d\n", i);
- matches = 0;
- } else if (ccf->codec_type == AVMEDIA_TYPE_VIDEO) {
- if (CHECK_CODEC(time_base.den) ||
- CHECK_CODEC(time_base.num) ||
- CHECK_CODEC(width) ||
- CHECK_CODEC(height)) {
- http_log("Codec width, height and framerate do not match for stream %d\n", i);
- matches = 0;
- }
- } else if (ccf->codec_type == AVMEDIA_TYPE_AUDIO) {
- if (CHECK_CODEC(sample_rate) ||
- CHECK_CODEC(channels) ||
- CHECK_CODEC(frame_size)) {
- http_log("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
- matches = 0;
- }
- } else {
- http_log("Unknown codec type\n");
- matches = 0;
- }
- }
- if (!matches)
- break;
- }
- } else
- http_log("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
- feed->feed_filename, s->nb_streams, feed->nb_streams);
-
- avformat_close_input(&s);
- } else
- http_log("Deleting feed file '%s' as it appears to be corrupt\n",
- feed->feed_filename);
-
- if (!matches) {
- if (feed->readonly) {
- http_log("Unable to delete feed file '%s' as it is marked readonly\n",
- feed->feed_filename);
- exit(1);
- }
- unlink(feed->feed_filename);
- }
- }
- if (avio_check(feed->feed_filename, AVIO_FLAG_WRITE) <= 0) {
- AVFormatContext s1 = {0}, *s = &s1;
-
- if (feed->readonly) {
- http_log("Unable to create feed file '%s' as it is marked readonly\n",
- feed->feed_filename);
- exit(1);
- }
-
- /* only write the header of the ffm file */
- if (avio_open(&s->pb, feed->feed_filename, AVIO_FLAG_WRITE) < 0) {
- http_log("Could not open output feed file '%s'\n",
- feed->feed_filename);
- exit(1);
- }
- s->oformat = feed->fmt;
- s->nb_streams = feed->nb_streams;
- s->streams = feed->streams;
- if (avformat_write_header(s, NULL) < 0) {
- http_log("Container doesn't supports the required parameters\n");
- exit(1);
- }
- /* XXX: need better api */
- av_freep(&s->priv_data);
- avio_close(s->pb);
- }
- /* get feed size and write index */
- fd = open(feed->feed_filename, O_RDONLY);
- if (fd < 0) {
- http_log("Could not open output feed file '%s'\n",
- feed->feed_filename);
- exit(1);
- }
-
- feed->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
- feed->feed_size = lseek(fd, 0, SEEK_END);
- /* ensure that we do not wrap before the end of file */
- if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
- feed->feed_max_size = feed->feed_size;
-
- close(fd);
- }
-}
-
-/* compute the bandwidth used by each stream */
-static void compute_bandwidth(void)
-{
- unsigned bandwidth;
- int i;
- FFStream *stream;
-
- for(stream = first_stream; stream != NULL; stream = stream->next) {
- bandwidth = 0;
- for(i=0;i<stream->nb_streams;i++) {
- AVStream *st = stream->streams[i];
- switch(st->codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- case AVMEDIA_TYPE_VIDEO:
- bandwidth += st->codec->bit_rate;
- break;
- default:
- break;
- }
- }
- stream->bandwidth = (bandwidth + 999) / 1000;
- }
-}
-
-/* add a codec and set the default parameters */
-static void add_codec(FFStream *stream, AVCodecContext *av)
-{
- AVStream *st;
-
- /* compute default parameters */
- switch(av->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- if (av->bit_rate == 0)
- av->bit_rate = 64000;
- if (av->sample_rate == 0)
- av->sample_rate = 22050;
- if (av->channels == 0)
- av->channels = 1;
- break;
- case AVMEDIA_TYPE_VIDEO:
- if (av->bit_rate == 0)
- av->bit_rate = 64000;
- if (av->time_base.num == 0){
- av->time_base.den = 5;
- av->time_base.num = 1;
- }
- if (av->width == 0 || av->height == 0) {
- av->width = 160;
- av->height = 128;
- }
- /* Bitrate tolerance is less for streaming */
- if (av->bit_rate_tolerance == 0)
- av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
- (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
- if (av->qmin == 0)
- av->qmin = 3;
- if (av->qmax == 0)
- av->qmax = 31;
- if (av->max_qdiff == 0)
- av->max_qdiff = 3;
- av->qcompress = 0.5;
- av->qblur = 0.5;
-
- if (!av->nsse_weight)
- av->nsse_weight = 8;
-
- av->frame_skip_cmp = FF_CMP_DCTMAX;
- if (!av->me_method)
- av->me_method = ME_EPZS;
- av->rc_buffer_aggressivity = 1.0;
-
- if (!av->rc_eq)
- av->rc_eq = "tex^qComp";
- if (!av->i_quant_factor)
- av->i_quant_factor = -0.8;
- if (!av->b_quant_factor)
- av->b_quant_factor = 1.25;
- if (!av->b_quant_offset)
- av->b_quant_offset = 1.25;
- if (!av->rc_max_rate)
- av->rc_max_rate = av->bit_rate * 2;
-
- if (av->rc_max_rate && !av->rc_buffer_size) {
- av->rc_buffer_size = av->rc_max_rate;
- }
-
-
- break;
- default:
- abort();
- }
-
- st = av_mallocz(sizeof(AVStream));
- if (!st)
- return;
- st->codec = avcodec_alloc_context3(NULL);
- stream->streams[stream->nb_streams++] = st;
- memcpy(st->codec, av, sizeof(AVCodecContext));
-}
-
-static enum AVCodecID opt_audio_codec(const char *arg)
-{
- AVCodec *p= avcodec_find_encoder_by_name(arg);
-
- if (p == NULL || p->type != AVMEDIA_TYPE_AUDIO)
- return AV_CODEC_ID_NONE;
-
- return p->id;
-}
-
-static enum AVCodecID opt_video_codec(const char *arg)
-{
- AVCodec *p= avcodec_find_encoder_by_name(arg);
-
- if (p == NULL || p->type != AVMEDIA_TYPE_VIDEO)
- return AV_CODEC_ID_NONE;
-
- return p->id;
-}
-
-static int avserver_opt_default(const char *opt, const char *arg,
- AVCodecContext *avctx, int type)
-{
- int ret = 0;
- const AVOption *o = av_opt_find(avctx, opt, NULL, type, 0);
- if(o)
- ret = av_opt_set(avctx, opt, arg, 0);
- return ret;
-}
-
-static int avserver_opt_preset(const char *arg,
- AVCodecContext *avctx, int type,
- enum AVCodecID *audio_id, enum AVCodecID *video_id)
-{
- FILE *f=NULL;
- char filename[1000], tmp[1000], tmp2[1000], line[1000];
- int ret = 0;
- AVCodec *codec = avcodec_find_encoder(avctx->codec_id);
-
- if (!(f = get_preset_file(filename, sizeof(filename), arg, 0,
- codec ? codec->name : NULL))) {
- fprintf(stderr, "File for preset '%s' not found\n", arg);
- return 1;
- }
-
- while(!feof(f)){
- int e= fscanf(f, "%999[^\n]\n", line) - 1;
- if(line[0] == '#' && !e)
- continue;
- e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
- if(e){
- fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
- ret = 1;
- break;
- }
- if(!strcmp(tmp, "acodec")){
- *audio_id = opt_audio_codec(tmp2);
- }else if(!strcmp(tmp, "vcodec")){
- *video_id = opt_video_codec(tmp2);
- }else if(!strcmp(tmp, "scodec")){
- /* opt_subtitle_codec(tmp2); */
- }else if(avserver_opt_default(tmp, tmp2, avctx, type) < 0){
- fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
- ret = 1;
- break;
- }
- }
-
- fclose(f);
-
- return ret;
-}
-
-static AVOutputFormat *avserver_guess_format(const char *short_name, const char *filename,
- const char *mime_type)
-{
- AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
-
- if (fmt) {
- AVOutputFormat *stream_fmt;
- char stream_format_name[64];
-
- snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream", fmt->name);
- stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
-
- if (stream_fmt)
- fmt = stream_fmt;
- }
-
- return fmt;
-}
-
-static void report_config_error(const char *filename, int line_num, int *errors, const char *fmt, ...)
-{
- va_list vl;
- va_start(vl, fmt);
- fprintf(stderr, "%s:%d: ", filename, line_num);
- vfprintf(stderr, fmt, vl);
- va_end(vl);
-
- (*errors)++;
-}
-
-static int parse_ffconfig(const char *filename)
-{
- FILE *f;
- char line[1024];
- char cmd[64];
- char arg[1024];
- const char *p;
- int val, errors, line_num;
- FFStream **last_stream, *stream, *redirect;
- FFStream **last_feed, *feed, *s;
- AVCodecContext audio_enc, video_enc;
- enum AVCodecID audio_id, video_id;
-
- f = fopen(filename, "r");
- if (!f) {
- perror(filename);
- return -1;
- }
-
- errors = 0;
- line_num = 0;
- first_stream = NULL;
- last_stream = &first_stream;
- first_feed = NULL;
- last_feed = &first_feed;
- stream = NULL;
- feed = NULL;
- redirect = NULL;
- audio_id = AV_CODEC_ID_NONE;
- video_id = AV_CODEC_ID_NONE;
-
-#define ERROR(...) report_config_error(filename, line_num, &errors, __VA_ARGS__)
- for(;;) {
- if (fgets(line, sizeof(line), f) == NULL)
- break;
- line_num++;
- p = line;
- while (av_isspace(*p))
- p++;
- if (*p == '\0' || *p == '#')
- continue;
-
- get_arg(cmd, sizeof(cmd), &p);
-
- if (!av_strcasecmp(cmd, "Port")) {
- get_arg(arg, sizeof(arg), &p);
- val = atoi(arg);
- if (val < 1 || val > 65536) {
- ERROR("Invalid_port: %s\n", arg);
- }
- my_http_addr.sin_port = htons(val);
- } else if (!av_strcasecmp(cmd, "BindAddress")) {
- get_arg(arg, sizeof(arg), &p);
- if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
- ERROR("%s:%d: Invalid host/IP address: %s\n", arg);
- }
- } else if (!av_strcasecmp(cmd, "RTSPPort")) {
- get_arg(arg, sizeof(arg), &p);
- val = atoi(arg);
- if (val < 1 || val > 65536) {
- ERROR("%s:%d: Invalid port: %s\n", arg);
- }
- my_rtsp_addr.sin_port = htons(atoi(arg));
- } else if (!av_strcasecmp(cmd, "RTSPBindAddress")) {
- get_arg(arg, sizeof(arg), &p);
- if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
- ERROR("Invalid host/IP address: %s\n", arg);
- }
- } else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) {
- get_arg(arg, sizeof(arg), &p);
- val = atoi(arg);
- if (val < 1 || val > 65536) {
- ERROR("Invalid MaxHTTPConnections: %s\n", arg);
- }
- nb_max_http_connections = val;
- } else if (!av_strcasecmp(cmd, "MaxClients")) {
- get_arg(arg, sizeof(arg), &p);
- val = atoi(arg);
- if (val < 1 || val > nb_max_http_connections) {
- ERROR("Invalid MaxClients: %s\n", arg);
- } else {
- nb_max_connections = val;
- }
- } else if (!av_strcasecmp(cmd, "MaxBandwidth")) {
- int64_t llval;
- get_arg(arg, sizeof(arg), &p);
- llval = atoll(arg);
- if (llval < 10 || llval > 10000000) {
- ERROR("Invalid MaxBandwidth: %s\n", arg);
- } else
- max_bandwidth = llval;
- } else if (!av_strcasecmp(cmd, "CustomLog")) {
- if (!avserver_debug)
- get_arg(logfilename, sizeof(logfilename), &p);
- } else if (!av_strcasecmp(cmd, "<Feed")) {
- /*********************************************/
- /* Feed related options */
- char *q;
- if (stream || feed) {
- ERROR("Already in a tag\n");
- } else {
- feed = av_mallocz(sizeof(FFStream));
- get_arg(feed->filename, sizeof(feed->filename), &p);
- q = strrchr(feed->filename, '>');
- if (*q)
- *q = '\0';
-
- for (s = first_feed; s; s = s->next) {
- if (!strcmp(feed->filename, s->filename)) {
- ERROR("Feed '%s' already registered\n", s->filename);
- }
- }
-
- feed->fmt = av_guess_format("ffm", NULL, NULL);
- /* defaut feed file */
- snprintf(feed->feed_filename, sizeof(feed->feed_filename),
- "/tmp/%s.ffm", feed->filename);
- feed->feed_max_size = 5 * 1024 * 1024;
- feed->is_feed = 1;
- feed->feed = feed; /* self feeding :-) */
-
- /* add in stream list */
- *last_stream = feed;
- last_stream = &feed->next;
- /* add in feed list */
- *last_feed = feed;
- last_feed = &feed->next_feed;
- }
- } else if (!av_strcasecmp(cmd, "Launch")) {
- if (feed) {
- int i;
-
- feed->child_argv = av_mallocz(64 * sizeof(char *));
-
- for (i = 0; i < 62; i++) {
- get_arg(arg, sizeof(arg), &p);
- if (!arg[0])
- break;
-
- feed->child_argv[i] = av_strdup(arg);
- }
-
- feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
-
- snprintf(feed->child_argv[i], 30+strlen(feed->filename),
- "http://%s:%d/%s",
- (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
- inet_ntoa(my_http_addr.sin_addr),
- ntohs(my_http_addr.sin_port), feed->filename);
- }
- } else if (!av_strcasecmp(cmd, "ReadOnlyFile")) {
- if (feed) {
- get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
- feed->readonly = 1;
- } else if (stream) {
- get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
- }
- } else if (!av_strcasecmp(cmd, "File")) {
- if (feed) {
- get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
- } else if (stream)
- get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
- } else if (!av_strcasecmp(cmd, "Truncate")) {
- if (feed) {
- get_arg(arg, sizeof(arg), &p);
- feed->truncate = strtod(arg, NULL);
- }
- } else if (!av_strcasecmp(cmd, "FileMaxSize")) {
- if (feed) {
- char *p1;
- double fsize;
-
- get_arg(arg, sizeof(arg), &p);
- p1 = arg;
- fsize = strtod(p1, &p1);
- switch(av_toupper(*p1)) {
- case 'K':
- fsize *= 1024;
- break;
- case 'M':
- fsize *= 1024 * 1024;
- break;
- case 'G':
- fsize *= 1024 * 1024 * 1024;
- break;
- }
- feed->feed_max_size = (int64_t)fsize;
- if (feed->feed_max_size < FFM_PACKET_SIZE*4) {
- ERROR("Feed max file size is too small, must be at least %d\n", FFM_PACKET_SIZE*4);
- }
- }
- } else if (!av_strcasecmp(cmd, "</Feed>")) {
- if (!feed) {
- ERROR("No corresponding <Feed> for </Feed>\n");
- }
- feed = NULL;
- } else if (!av_strcasecmp(cmd, "<Stream")) {
- /*********************************************/
- /* Stream related options */
- char *q;
- if (stream || feed) {
- ERROR("Already in a tag\n");
- } else {
- FFStream *s;
- stream = av_mallocz(sizeof(FFStream));
- get_arg(stream->filename, sizeof(stream->filename), &p);
- q = strrchr(stream->filename, '>');
- if (*q)
- *q = '\0';
-
- for (s = first_stream; s; s = s->next) {
- if (!strcmp(stream->filename, s->filename)) {
- ERROR("Stream '%s' already registered\n", s->filename);
- }
- }
-
- stream->fmt = avserver_guess_format(NULL, stream->filename, NULL);
- avcodec_get_context_defaults3(&video_enc, NULL);
- avcodec_get_context_defaults3(&audio_enc, NULL);
- audio_id = AV_CODEC_ID_NONE;
- video_id = AV_CODEC_ID_NONE;
- if (stream->fmt) {
- audio_id = stream->fmt->audio_codec;
- video_id = stream->fmt->video_codec;
- }
-
- *last_stream = stream;
- last_stream = &stream->next;
- }
- } else if (!av_strcasecmp(cmd, "Feed")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- FFStream *sfeed;
-
- sfeed = first_feed;
- while (sfeed != NULL) {
- if (!strcmp(sfeed->filename, arg))
- break;
- sfeed = sfeed->next_feed;
- }
- if (!sfeed)
- ERROR("feed '%s' not defined\n", arg);
- else
- stream->feed = sfeed;
- }
- } else if (!av_strcasecmp(cmd, "Format")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- if (!strcmp(arg, "status")) {
- stream->stream_type = STREAM_TYPE_STATUS;
- stream->fmt = NULL;
- } else {
- stream->stream_type = STREAM_TYPE_LIVE;
- /* jpeg cannot be used here, so use single frame jpeg */
- if (!strcmp(arg, "jpeg"))
- strcpy(arg, "mjpeg");
- stream->fmt = avserver_guess_format(arg, NULL, NULL);
- if (!stream->fmt) {
- ERROR("Unknown Format: %s\n", arg);
- }
- }
- if (stream->fmt) {
- audio_id = stream->fmt->audio_codec;
- video_id = stream->fmt->video_codec;
- }
- }
- } else if (!av_strcasecmp(cmd, "InputFormat")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- stream->ifmt = av_find_input_format(arg);
- if (!stream->ifmt) {
- ERROR("Unknown input format: %s\n", arg);
- }
- }
- } else if (!av_strcasecmp(cmd, "FaviconURL")) {
- if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
- get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
- } else {
- ERROR("FaviconURL only permitted for status streams\n");
- }
- } else if (!av_strcasecmp(cmd, "Author")) {
- if (stream)
- get_arg(stream->author, sizeof(stream->author), &p);
- } else if (!av_strcasecmp(cmd, "Comment")) {
- if (stream)
- get_arg(stream->comment, sizeof(stream->comment), &p);
- } else if (!av_strcasecmp(cmd, "Copyright")) {
- if (stream)
- get_arg(stream->copyright, sizeof(stream->copyright), &p);
- } else if (!av_strcasecmp(cmd, "Title")) {
- if (stream)
- get_arg(stream->title, sizeof(stream->title), &p);
- } else if (!av_strcasecmp(cmd, "Preroll")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- stream->prebuffer = atof(arg) * 1000;
- } else if (!av_strcasecmp(cmd, "StartSendOnKey")) {
- if (stream)
- stream->send_on_key = 1;
- } else if (!av_strcasecmp(cmd, "AudioCodec")) {
- get_arg(arg, sizeof(arg), &p);
- audio_id = opt_audio_codec(arg);
- if (audio_id == AV_CODEC_ID_NONE) {
- ERROR("Unknown AudioCodec: %s\n", arg);
- }
- } else if (!av_strcasecmp(cmd, "VideoCodec")) {
- get_arg(arg, sizeof(arg), &p);
- video_id = opt_video_codec(arg);
- if (video_id == AV_CODEC_ID_NONE) {
- ERROR("Unknown VideoCodec: %s\n", arg);
- }
- } else if (!av_strcasecmp(cmd, "MaxTime")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- stream->max_time = atof(arg) * 1000;
- } else if (!av_strcasecmp(cmd, "AudioBitRate")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- audio_enc.bit_rate = lrintf(atof(arg) * 1000);
- } else if (!av_strcasecmp(cmd, "AudioChannels")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- audio_enc.channels = atoi(arg);
- } else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- audio_enc.sample_rate = atoi(arg);
- } else if (!av_strcasecmp(cmd, "AudioQuality")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
-// audio_enc.quality = atof(arg) * 1000;
- }
- } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
- if (stream) {
- int minrate, maxrate;
-
- get_arg(arg, sizeof(arg), &p);
-
- if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
- video_enc.rc_min_rate = minrate * 1000;
- video_enc.rc_max_rate = maxrate * 1000;
- } else {
- ERROR("Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n", arg);
- }
- }
- } else if (!av_strcasecmp(cmd, "Debug")) {
- if (stream) {
- get_arg(arg, sizeof(arg), &p);
- video_enc.debug = strtol(arg,0,0);
- }
- } else if (!av_strcasecmp(cmd, "Strict")) {
- if (stream) {
- get_arg(arg, sizeof(arg), &p);
- video_enc.strict_std_compliance = atoi(arg);
- }
- } else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
- if (stream) {
- get_arg(arg, sizeof(arg), &p);
- video_enc.rc_buffer_size = atoi(arg) * 8*1024;
- }
- } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
- if (stream) {
- get_arg(arg, sizeof(arg), &p);
- video_enc.bit_rate_tolerance = atoi(arg) * 1000;
- }
- } else if (!av_strcasecmp(cmd, "VideoBitRate")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- video_enc.bit_rate = atoi(arg) * 1000;
- }
- } else if (!av_strcasecmp(cmd, "VideoSize")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- av_parse_video_size(&video_enc.width, &video_enc.height, arg);
- if ((video_enc.width % 16) != 0 ||
- (video_enc.height % 16) != 0) {
- ERROR("Image size must be a multiple of 16\n");
- }
- }
- } else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- AVRational frame_rate;
- if (av_parse_video_rate(&frame_rate, arg) < 0) {
- ERROR("Incorrect frame rate: %s\n", arg);
- } else {
- video_enc.time_base.num = frame_rate.den;
- video_enc.time_base.den = frame_rate.num;
- }
- }
- } else if (!av_strcasecmp(cmd, "VideoGopSize")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- video_enc.gop_size = atoi(arg);
- } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
- if (stream)
- video_enc.gop_size = 1;
- } else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
- if (stream)
- video_enc.mb_decision = FF_MB_DECISION_BITS;
- } else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
- if (stream) {
- video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
- video_enc.flags |= CODEC_FLAG_4MV;
- }
- } else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
- !av_strcasecmp(cmd, "AVOptionAudio")) {
- char arg2[1024];
- AVCodecContext *avctx;
- int type;
- get_arg(arg, sizeof(arg), &p);
- get_arg(arg2, sizeof(arg2), &p);
- if (!av_strcasecmp(cmd, "AVOptionVideo")) {
- avctx = &video_enc;
- type = AV_OPT_FLAG_VIDEO_PARAM;
- } else {
- avctx = &audio_enc;
- type = AV_OPT_FLAG_AUDIO_PARAM;
- }
- if (avserver_opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
- ERROR("AVOption error: %s %s\n", arg, arg2);
- }
- } else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
- !av_strcasecmp(cmd, "AVPresetAudio")) {
- AVCodecContext *avctx;
- int type;
- get_arg(arg, sizeof(arg), &p);
- if (!av_strcasecmp(cmd, "AVPresetVideo")) {
- avctx = &video_enc;
- video_enc.codec_id = video_id;
- type = AV_OPT_FLAG_VIDEO_PARAM;
- } else {
- avctx = &audio_enc;
- audio_enc.codec_id = audio_id;
- type = AV_OPT_FLAG_AUDIO_PARAM;
- }
- if (avserver_opt_preset(arg, avctx, type|AV_OPT_FLAG_ENCODING_PARAM, &audio_id, &video_id)) {
- ERROR("AVPreset error: %s\n", arg);
- }
- } else if (!av_strcasecmp(cmd, "VideoTag")) {
- get_arg(arg, sizeof(arg), &p);
- if ((strlen(arg) == 4) && stream)
- video_enc.codec_tag = MKTAG(arg[0], arg[1], arg[2], arg[3]);
- } else if (!av_strcasecmp(cmd, "BitExact")) {
- if (stream)
- video_enc.flags |= CODEC_FLAG_BITEXACT;
- } else if (!av_strcasecmp(cmd, "DctFastint")) {
- if (stream)
- video_enc.dct_algo = FF_DCT_FASTINT;
- } else if (!av_strcasecmp(cmd, "IdctSimple")) {
- if (stream)
- video_enc.idct_algo = FF_IDCT_SIMPLE;
- } else if (!av_strcasecmp(cmd, "Qscale")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- video_enc.flags |= CODEC_FLAG_QSCALE;
- video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
- }
- } else if (!av_strcasecmp(cmd, "VideoQDiff")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- video_enc.max_qdiff = atoi(arg);
- if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
- ERROR("VideoQDiff out of range\n");
- }
- }
- } else if (!av_strcasecmp(cmd, "VideoQMax")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- video_enc.qmax = atoi(arg);
- if (video_enc.qmax < 1 || video_enc.qmax > 31) {
- ERROR("VideoQMax out of range\n");
- }
- }
- } else if (!av_strcasecmp(cmd, "VideoQMin")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- video_enc.qmin = atoi(arg);
- if (video_enc.qmin < 1 || video_enc.qmin > 31) {
- ERROR("VideoQMin out of range\n");
- }
- }
- } else if (!av_strcasecmp(cmd, "LumiMask")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- video_enc.lumi_masking = atof(arg);
- } else if (!av_strcasecmp(cmd, "DarkMask")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- video_enc.dark_masking = atof(arg);
- } else if (!av_strcasecmp(cmd, "NoVideo")) {
- video_id = AV_CODEC_ID_NONE;
- } else if (!av_strcasecmp(cmd, "NoAudio")) {
- audio_id = AV_CODEC_ID_NONE;
- } else if (!av_strcasecmp(cmd, "ACL")) {
- parse_acl_row(stream, feed, NULL, p, filename, line_num);
- } else if (!av_strcasecmp(cmd, "DynamicACL")) {
- if (stream) {
- get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), &p);
- }
- } else if (!av_strcasecmp(cmd, "RTSPOption")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- av_freep(&stream->rtsp_option);
- stream->rtsp_option = av_strdup(arg);
- }
- } else if (!av_strcasecmp(cmd, "MulticastAddress")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream) {
- if (resolve_host(&stream->multicast_ip, arg) != 0) {
- ERROR("Invalid host/IP address: %s\n", arg);
- }
- stream->is_multicast = 1;
- stream->loop = 1; /* default is looping */
- }
- } else if (!av_strcasecmp(cmd, "MulticastPort")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- stream->multicast_port = atoi(arg);
- } else if (!av_strcasecmp(cmd, "MulticastTTL")) {
- get_arg(arg, sizeof(arg), &p);
- if (stream)
- stream->multicast_ttl = atoi(arg);
- } else if (!av_strcasecmp(cmd, "NoLoop")) {
- if (stream)
- stream->loop = 0;
- } else if (!av_strcasecmp(cmd, "</Stream>")) {
- if (!stream) {
- ERROR("No corresponding <Stream> for </Stream>\n");
- } else {
- if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
- if (audio_id != AV_CODEC_ID_NONE) {
- audio_enc.codec_type = AVMEDIA_TYPE_AUDIO;
- audio_enc.codec_id = audio_id;
- add_codec(stream, &audio_enc);
- }
- if (video_id != AV_CODEC_ID_NONE) {
- video_enc.codec_type = AVMEDIA_TYPE_VIDEO;
- video_enc.codec_id = video_id;
- add_codec(stream, &video_enc);
- }
- }
- stream = NULL;
- }
- } else if (!av_strcasecmp(cmd, "<Redirect")) {
- /*********************************************/
- char *q;
- if (stream || feed || redirect) {
- ERROR("Already in a tag\n");
- } else {
- redirect = av_mallocz(sizeof(FFStream));
- *last_stream = redirect;
- last_stream = &redirect->next;
-
- get_arg(redirect->filename, sizeof(redirect->filename), &p);
- q = strrchr(redirect->filename, '>');
- if (*q)
- *q = '\0';
- redirect->stream_type = STREAM_TYPE_REDIRECT;
- }
- } else if (!av_strcasecmp(cmd, "URL")) {
- if (redirect)
- get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
- } else if (!av_strcasecmp(cmd, "</Redirect>")) {
- if (!redirect) {
- ERROR("No corresponding <Redirect> for </Redirect>\n");
- } else {
- if (!redirect->feed_filename[0]) {
- ERROR("No URL found for <Redirect>\n");
- }
- redirect = NULL;
- }
- } else if (!av_strcasecmp(cmd, "LoadModule")) {
- ERROR("Loadable modules no longer supported\n");
- } else {
- ERROR("Incorrect keyword: '%s'\n", cmd);
- }
- }
-#undef ERROR
-
- fclose(f);
- if (errors)
- return -1;
- else
- return 0;
-}
-
-static void handle_child_exit(int sig)
-{
- pid_t pid;
- int status;
-
- while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
- FFStream *feed;
-
- for (feed = first_feed; feed; feed = feed->next) {
- if (feed->pid == pid) {
- int uptime = time(0) - feed->pid_start;
-
- feed->pid = 0;
- fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
-
- if (uptime < 30)
- /* Turn off any more restarts */
- feed->child_argv = 0;
- }
- }
- }
-
- need_to_start_children = 1;
-}
-
-static void opt_debug(void)
-{
- avserver_debug = 1;
- logfilename[0] = '-';
-}
-
-void show_help_default(const char *opt, const char *arg)
-{
- printf("usage: avserver [options]\n"
- "Hyper fast multi format Audio/Video streaming server\n");
- printf("\n");
- show_help_options(options, "Main options:", 0, 0, 0);
-}
-
-static const OptionDef options[] = {
-#include "cmdutils_common_opts.h"
- { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
- { "d", 0, {(void*)opt_debug}, "enable debug mode" },
- { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/avserver.conf", "configfile" },
- { NULL },
-};
-
-int main(int argc, char **argv)
-{
- struct sigaction sigact = { { 0 } };
-
- config_filename = av_strdup("/etc/avserver.conf");
-
- parse_loglevel(argc, argv, options);
- av_register_all();
- avformat_network_init();
-
- show_banner();
-
- my_program_name = argv[0];
-
- parse_options(NULL, argc, argv, options, NULL);
-
- unsetenv("http_proxy"); /* Kill the http_proxy */
-
- av_lfg_init(&random_state, av_get_random_seed());
-
- sigact.sa_handler = handle_child_exit;
- sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
- sigaction(SIGCHLD, &sigact, 0);
-
- if (parse_ffconfig(config_filename) < 0) {
- fprintf(stderr, "Incorrect config file - exiting.\n");
- exit(1);
- }
-
- /* open log file if needed */
- if (logfilename[0] != '\0') {
- if (!strcmp(logfilename, "-"))
- logfile = stdout;
- else
- logfile = fopen(logfilename, "a");
- av_log_set_callback(http_av_log);
- }
-
- build_file_streams();
-
- build_feed_streams();
-
- compute_bandwidth();
-
- /* signal init */
- signal(SIGPIPE, SIG_IGN);
-
- if (http_server() < 0) {
- http_log("Could not start server\n");
- exit(1);
- }
-
- return 0;
-}
diff --git a/configure b/configure
index 22f4ce8..cc47c8a 100755
--- a/configure
+++ b/configure
@@ -108,7 +108,7 @@ Program options:
--disable-avconv disable avconv build
--disable-avplay disable avplay build
--disable-avprobe disable avprobe build
- --disable-avserver disable avserver build
+ --disable-avserver deprecated, does nothing
Component options:
--disable-doc do not build documentation
@@ -1209,7 +1209,6 @@ PROGRAM_LIST="
avconv
avplay
avprobe
- avserver
"
SUBSYSTEM_LIST="
@@ -2142,8 +2141,6 @@ avplay_deps="avcodec avformat avresample swscale sdl"
avplay_libs='$sdl_libs'
avplay_select="rdft"
avprobe_deps="avcodec avformat"
-avserver_deps="avformat fork !shared"
-avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
# documentation
pod2man_deps="doc"
@@ -2380,6 +2377,10 @@ for opt do
name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
$action $(filter "$name" $list)
;;
+ --enable-avserver|--disable-avserver*)
+ warn "avserver has been removed, the ${opt} option is only"\
+ "provided for compatibility and will be removed in the future"
+ ;;
--enable-?*|--disable-?*)
eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
if is_in $option $COMPONENT_LIST; then
@@ -3539,7 +3540,6 @@ case $target_os in
add_compat strtod.o strtod=avpriv_strtod
network_extralibs='-lbsd'
exeobjs=compat/plan9/main.o
- disable avserver
cp_f='cp'
;;
none)
diff --git a/doc/avserver.conf b/doc/avserver.conf
deleted file mode 100644
index e1cd9fb..0000000
--- a/doc/avserver.conf
+++ /dev/null
@@ -1,372 +0,0 @@
-# Port on which the server is listening. You must select a different
-# port from your standard HTTP web server if it is running on the same
-# computer.
-Port 8090
-
-# Address on which the server is bound. Only useful if you have
-# several network interfaces.
-BindAddress 0.0.0.0
-
-# Number of simultaneous HTTP connections that can be handled. It has
-# to be defined *before* the MaxClients parameter, since it defines the
-# MaxClients maximum limit.
-MaxHTTPConnections 2000
-
-# Number of simultaneous requests that can be handled. Since AVServer
-# is very fast, it is more likely that you will want to leave this high
-# and use MaxBandwidth, below.
-MaxClients 1000
-
-# This the maximum amount of kbit/sec that you are prepared to
-# consume when streaming to clients.
-MaxBandwidth 1000
-
-# Access log file (uses standard Apache log file format)
-# '-' is the standard output.
-CustomLog -
-
-
-##################################################################
-# Definition of the live feeds. Each live feed contains one video
-# and/or audio sequence coming from an avconv encoder or another
-# avserver. This sequence may be encoded simultaneously with several
-# codecs at several resolutions.
-
-<Feed feed1.ffm>
-
-# You must use 'avconv' to send a live feed to avserver. In this
-# example, you can type:
-#
-# avconv http://localhost:8090/feed1.ffm
-
-# avserver can also do time shifting. It means that it can stream any
-# previously recorded live stream. The request should contain:
-# "http://xxxx?date=[YYYY-MM-DDT][[HH:]MM:]SS[.m...]".You must specify
-# a path where the feed is stored on disk. You also specify the
-# maximum size of the feed, where zero means unlimited. Default:
-# File=/tmp/feed_name.ffm FileMaxSize=5M
-File /tmp/feed1.ffm
-FileMaxSize 200K
-
-# You could specify
-# ReadOnlyFile /saved/specialvideo.ffm
-# This marks the file as readonly and it will not be deleted or updated.
-
-# Specify launch in order to start avconv automatically.
-# First avconv must be defined with an appropriate path if needed,
-# after that options can follow, but avoid adding the http:// field
-#Launch avconv
-
-# Only allow connections from localhost to the feed.
-ACL allow 127.0.0.1
-
-</Feed>
-
-
-##################################################################
-# Now you can define each stream which will be generated from the
-# original audio and video stream. Each format has a filename (here
-# 'test1.mpg'). AVServer will send this stream when answering a
-# request containing this filename.
-
-<Stream test1.mpg>
-
-# coming from live feed 'feed1'
-Feed feed1.ffm
-
-# Format of the stream : you can choose among:
-# mpeg : MPEG-1 multiplexed video and audio
-# mpegvideo : only MPEG-1 video
-# mp2 : MPEG-2 audio (use AudioCodec to select layer 2 and 3 codec)
-# ogg : Ogg format (Vorbis audio codec)
-# rm : RealNetworks-compatible stream. Multiplexed audio and video.
-# ra : RealNetworks-compatible stream. Audio only.
-# mpjpeg : Multipart JPEG (works with Netscape without any plugin)
-# jpeg : Generate a single JPEG image.
-# asf : ASF compatible streaming (Windows Media Player format).
-# swf : Macromedia Flash compatible stream
-# avi : AVI format (MPEG-4 video, MPEG audio sound)
-Format mpeg
-
-# Bitrate for the audio stream. Codecs usually support only a few
-# different bitrates.
-AudioBitRate 32
-
-# Number of audio channels: 1 = mono, 2 = stereo
-AudioChannels 1
-
-# Sampling frequency for audio. When using low bitrates, you should
-# lower this frequency to 22050 or 11025. The supported frequencies
-# depend on the selected audio codec.
-AudioSampleRate 44100
-
-# Bitrate for the video stream
-VideoBitRate 64
-
-# Ratecontrol buffer size
-VideoBufferSize 40
-
-# Number of frames per second
-VideoFrameRate 3
-
-# Size of the video frame: WxH (default: 160x128)
-# The following abbreviations are defined: sqcif, qcif, cif, 4cif, qqvga,
-# qvga, vga, svga, xga, uxga, qxga, sxga, qsxga, hsxga, wvga, wxga, wsxga,
-# wuxga, woxga, wqsxga, wquxga, whsxga, whuxga, cga, ega, hd480, hd720,
-# hd1080
-VideoSize 160x128
-
-# Transmit only intra frames (useful for low bitrates, but kills frame rate).
-#VideoIntraOnly
-
-# If non-intra only, an intra frame is transmitted every VideoGopSize
-# frames. Video synchronization can only begin at an intra frame.
-VideoGopSize 12
-
-# More MPEG-4 parameters
-# VideoHighQuality
-# Video4MotionVector
-
-# Choose your codecs:
-#AudioCodec mp2
-#VideoCodec mpeg1video
-
-# Suppress audio
-#NoAudio
-
-# Suppress video
-#NoVideo
-
-#VideoQMin 3
-#VideoQMax 31
-
-# Set this to the number of seconds backwards in time to start. Note that
-# most players will buffer 5-10 seconds of video, and also you need to allow
-# for a keyframe to appear in the data stream.
-#Preroll 15
-
-# ACL:
-
-# You can allow ranges of addresses (or single addresses)
-#ACL ALLOW <first address> <last address>
-
-# You can deny ranges of addresses (or single addresses)
-#ACL DENY <first address> <last address>
-
-# You can repeat the ACL allow/deny as often as you like. It is on a per
-# stream basis. The first match defines the action. If there are no matches,
-# then the default is the inverse of the last ACL statement.
-#
-# Thus 'ACL allow localhost' only allows access from localhost.
-# 'ACL deny 1.0.0.0 1.255.255.255' would deny the whole of network 1 and
-# allow everybody else.
-
-</Stream>
-
-
-##################################################################
-# Example streams
-
-
-# Multipart JPEG
-
-#<Stream test.mjpg>
-#Feed feed1.ffm
-#Format mpjpeg
-#VideoFrameRate 2
-#VideoIntraOnly
-#NoAudio
-#Strict -1
-#</Stream>
-
-
-# Single JPEG
-
-#<Stream test.jpg>
-#Feed feed1.ffm
-#Format jpeg
-#VideoFrameRate 2
-#VideoIntraOnly
-##VideoSize 352x240
-#NoAudio
-#Strict -1
-#</Stream>
-
-
-# Flash
-
-#<Stream test.swf>
-#Feed feed1.ffm
-#Format swf
-#VideoFrameRate 2
-#VideoIntraOnly
-#NoAudio
-#</Stream>
-
-
-# ASF compatible
-
-<Stream test.asf>
-Feed feed1.ffm
-Format asf
-VideoFrameRate 15
-VideoSize 352x240
-VideoBitRate 256
-VideoBufferSize 40
-VideoGopSize 30
-AudioBitRate 64
-StartSendOnKey
-</Stream>
-
-
-# MP3 audio
-
-#<Stream test.mp3>
-#Feed feed1.ffm
-#Format mp2
-#AudioCodec mp3
-#AudioBitRate 64
-#AudioChannels 1
-#AudioSampleRate 44100
-#NoVideo
-#</Stream>
-
-
-# Ogg Vorbis audio
-
-#<Stream test.ogg>
-#Feed feed1.ffm
-#Title "Stream title"
-#AudioBitRate 64
-#AudioChannels 2
-#AudioSampleRate 44100
-#NoVideo
-#</Stream>
-
-
-# Real with audio only at 32 kbits
-
-#<Stream test.ra>
-#Feed feed1.ffm
-#Format rm
-#AudioBitRate 32
-#NoVideo
-#NoAudio
-#</Stream>
-
-
-# Real with audio and video at 64 kbits
-
-#<Stream test.rm>
-#Feed feed1.ffm
-#Format rm
-#AudioBitRate 32
-#VideoBitRate 128
-#VideoFrameRate 25
-#VideoGopSize 25
-#NoAudio
-#</Stream>
-
-
-##################################################################
-# A stream coming from a file: you only need to set the input
-# filename and optionally a new format. Supported conversions:
-# AVI -> ASF
-
-#<Stream file.rm>
-#File "/usr/local/httpd/htdocs/tlive.rm"
-#NoAudio
-#</Stream>
-
-#<Stream file.asf>
-#File "/usr/local/httpd/htdocs/test.asf"
-#NoAudio
-#Author "Me"
-#Copyright "Super MegaCorp"
-#Title "Test stream from disk"
-#Comment "Test comment"
-#</Stream>
-
-
-##################################################################
-# RTSP examples
-#
-# You can access this stream with the RTSP URL:
-# rtsp://localhost:5454/test1-rtsp.mpg
-#
-# A non-standard RTSP redirector is also created. Its URL is:
-# http://localhost:8090/test1-rtsp.rtsp
-
-#<Stream test1-rtsp.mpg>
-#Format rtp
-#File "/usr/local/httpd/htdocs/test1.mpg"
-#</Stream>
-
-
-# Transcode an incoming live feed to another live feed,
-# using libx264 and video presets
-
-#<Stream live.h264>
-#Format rtp
-#Feed feed1.ffm
-#VideoCodec libx264
-#VideoFrameRate 24
-#VideoBitRate 100
-#VideoSize 480x272
-#AVPresetVideo default
-#AVPresetVideo baseline
-#AVOptionVideo flags +global_header
-#
-#AudioCodec libfaac
-#AudioBitRate 32
-#AudioChannels 2
-#AudioSampleRate 22050
-#AVOptionAudio flags +global_header
-#</Stream>
-
-##################################################################
-# SDP/multicast examples
-#
-# If you want to send your stream in multicast, you must set the
-# multicast address with MulticastAddress. The port and the TTL can
-# also be set.
-#
-# An SDP file is automatically generated by avserver by adding the
-# 'sdp' extension to the stream name (here
-# http://localhost:8090/test1-sdp.sdp). You should usually give this
-# file to your player to play the stream.
-#
-# The 'NoLoop' option can be used to avoid looping when the stream is
-# terminated.
-
-#<Stream test1-sdp.mpg>
-#Format rtp
-#File "/usr/local/httpd/htdocs/test1.mpg"
-#MulticastAddress 224.124.0.1
-#MulticastPort 5000
-#MulticastTTL 16
-#NoLoop
-#</Stream>
-
-
-##################################################################
-# Special streams
-
-# Server status
-
-<Stream stat.html>
-Format status
-
-# Only allow local people to get the status
-ACL allow localhost
-ACL allow 192.168.0.0 192.168.255.255
-
-#FaviconURL http://pond1.gladstonefamily.net:8080/favicon.ico
-</Stream>
-
-
-# Redirect index.html to the appropriate site
-
-<Redirect index.html>
-URL http://www.libav.org/
-</Redirect>
diff --git a/doc/avserver.texi b/doc/avserver.texi
deleted file mode 100644
index 88e6221..0000000
--- a/doc/avserver.texi
+++ /dev/null
@@ -1,276 +0,0 @@
-\input texinfo @c -*- texinfo -*-
-
-@settitle avserver Documentation
-@titlepage
-@center @titlefont{avserver Documentation}
-@end titlepage
-
-@top
-
-@contents
-
-@chapter Synopsys
-
-The generic syntax is:
-
-@example
-@c man begin SYNOPSIS
-avserver [options]
-@c man end
-@end example
-
-@chapter Description
-@c man begin DESCRIPTION
-
-WARNING: avserver is unmaintained, largely broken and in need of a
-complete rewrite. It probably won't work for you. Use at your own
-risk.
-
-avserver is a streaming server for both audio and video. It supports
-several live feeds, streaming from files and time shifting on live feeds
-(you can seek to positions in the past on each live feed, provided you
-specify a big enough feed storage in avserver.conf).
-
-This documentation covers only the streaming aspects of avserver /
-avconv. All questions about parameters for avconv, codec questions,
-etc. are not covered here. Read @file{avconv.html} for more
-information.
-
-@section How does it work?
-
-avserver receives prerecorded files or FFM streams from some avconv
-instance as input, then streams them over RTP/RTSP/HTTP.
-
-An avserver instance will listen on some port as specified in the
-configuration file. You can launch one or more instances of avconv and
-send one or more FFM streams to the port where avserver is expecting
-to receive them. Alternately, you can make avserver launch such avconv
-instances at startup.
-
-Input streams are called feeds, and each one is specified by a <Feed>
-section in the configuration file.
-
-For each feed you can have different output streams in various
-formats, each one specified by a <Stream> section in the configuration
-file.
-
-@section Status stream
-
-avserver supports an HTTP interface which exposes the current status
-of the server.
-
-Simply point your browser to the address of the special status stream
-specified in the configuration file.
-
-For example if you have:
-@example
-<Stream status.html>
-Format status
-
-# Only allow local people to get the status
-ACL allow localhost
-ACL allow 192.168.0.0 192.168.255.255
-</Stream>
-@end example
-
-then the server will post a page with the status information when
-the special stream @file{status.html} is requested.
-
-@section What can this do?
-
-When properly configured and running, you can capture video and audio in real
-time from a suitable capture card, and stream it out over the Internet to
-either Windows Media Player or RealAudio player (with some restrictions).
-
-It can also stream from files, though that is currently broken. Very often, a
-web server can be used to serve up the files just as well.
-
-It can stream prerecorded video from .ffm files, though it is somewhat tricky
-to make it work correctly.
-
-@section What do I need?
-
-I use Linux on a 900 MHz Duron with a cheapo Bt848 based TV capture card. I'm
-using stock Linux 2.4.17 with the stock drivers. [Actually that isn't true,
-I needed some special drivers for my motherboard-based sound card.]
-
-I understand that FreeBSD systems work just fine as well.
-
-@section How do I make it work?
-
-First, build the kit. It *really* helps to have installed LAME first. Then when
-you run the avserver ./configure, make sure that you have the
-@code{--enable-libmp3lame} flag turned on.
-
-LAME is important as it allows for streaming audio to Windows Media Player.
-Don't ask why the other audio types do not work.
-
-As a simple test, just run the following two command lines where INPUTFILE
-is some file which you can decode with avconv:
-
-@example
-./avserver -f doc/avserver.conf &
-./avconv -i INPUTFILE http://localhost:8090/feed1.ffm
-@end example
-
-At this point you should be able to go to your Windows machine and fire up
-Windows Media Player (WMP). Go to Open URL and enter
-
-@example
- http://<linuxbox>:8090/test.asf
-@end example
-
-You should (after a short delay) see video and hear audio.
-
-WARNING: trying to stream test1.mpg doesn't work with WMP as it tries to
-transfer the entire file before starting to play.
-The same is true of AVI files.
-
-@section What happens next?
-
-You should edit the avserver.conf file to suit your needs (in terms of
-frame rates etc). Then install avserver and avconv, write a script to start
-them up, and off you go.
-
-@section Troubleshooting
-
-@subsection I don't hear any audio, but video is fine.
-
-Maybe you didn't install LAME, or got your ./configure statement wrong. Check
-the avconv output to see if a line referring to MP3 is present. If not, then
-your configuration was incorrect. If it is, then maybe your wiring is not
-set up correctly. Maybe the sound card is not getting data from the right
-input source. Maybe you have a really awful audio interface (like I do)
-that only captures in stereo and also requires that one channel be flipped.
-If you are one of these people, then export 'AUDIO_FLIP_LEFT=1' before
-starting avconv.
-
-@subsection The audio and video lose sync after a while.
-
-Yes, they do.
-
-@subsection After a long while, the video update rate goes way down in WMP.
-
-Yes, it does. Who knows why?
-
-@subsection WMP 6.4 behaves differently to WMP 7.
-
-Yes, it does. Any thoughts on this would be gratefully received. These
-differences extend to embedding WMP into a web page. [There are two
-object IDs that you can use: The old one, which does not play well, and
-the new one, which does (both tested on the same system). However,
-I suspect that the new one is not available unless you have installed WMP 7].
-
-@section What else can it do?
-
-You can replay video from .ffm files that was recorded earlier.
-However, there are a number of caveats, including the fact that the
-avserver parameters must match the original parameters used to record the
-file. If they do not, then avserver deletes the file before recording into it.
-(Now that I write this, it seems broken).
-
-You can fiddle with many of the codec choices and encoding parameters, and
-there are a bunch more parameters that you cannot control. Post a message
-to the mailing list if there are some 'must have' parameters. Look in
-avserver.conf for a list of the currently available controls.
-
-It will automatically generate the ASX or RAM files that are often used
-in browsers. These files are actually redirections to the underlying ASF
-or RM file. The reason for this is that the browser often fetches the
-entire file before starting up the external viewer. The redirection files
-are very small and can be transferred quickly. [The stream itself is
-often 'infinite' and thus the browser tries to download it and never
-finishes.]
-
-@section Tips
-
-* When you connect to a live stream, most players (WMP, RA, etc) want to
-buffer a certain number of seconds of material so that they can display the
-signal continuously. However, avserver (by default) starts sending data
-in realtime. This means that there is a pause of a few seconds while the
-buffering is being done by the player. The good news is that this can be
-cured by adding a '?buffer=5' to the end of the URL. This means that the
-stream should start 5 seconds in the past -- and so the first 5 seconds
-of the stream are sent as fast as the network will allow. It will then
-slow down to real time. This noticeably improves the startup experience.
-
-You can also add a 'Preroll 15' statement into the avserver.conf that will
-add the 15 second prebuffering on all requests that do not otherwise
-specify a time. In addition, avserver will skip frames until a key_frame
-is found. This further reduces the startup delay by not transferring data
-that will be discarded.
-
-* You may want to adjust the MaxBandwidth in the avserver.conf to limit
-the amount of bandwidth consumed by live streams.
-
-@section Why does the ?buffer / Preroll stop working after a time?
-
-It turns out that (on my machine at least) the number of frames successfully
-grabbed is marginally less than the number that ought to be grabbed. This
-means that the timestamp in the encoded data stream gets behind realtime.
-This means that if you say 'Preroll 10', then when the stream gets 10
-or more seconds behind, there is no Preroll left.
-
-Fixing this requires a change in the internals of how timestamps are
-handled.
-
-@section Does the @code{?date=} stuff work.
-
-Yes (subject to the limitation outlined above). Also note that whenever you
-start avserver, it deletes the ffm file (if any parameters have changed),
-thus wiping out what you had recorded before.
-
-The format of the @code{?date=xxxxxx} is fairly flexible. You should use one
-of the following formats (the 'T' is literal):
-
-@example
-* YYYY-MM-DDTHH:MM:SS (localtime)
-* YYYY-MM-DDTHH:MM:SSZ (UTC)
-@end example
-
-You can omit the YYYY-MM-DD, and then it refers to the current day. However
-note that @samp{?date=16:00:00} refers to 16:00 on the current day -- this
-may be in the future and so is unlikely to be useful.
-
-You use this by adding the ?date= to the end of the URL for the stream.
-For example: @samp{http://localhost:8080/test.asf?date=2002-07-26T23:05:00}.
-@c man end
-
-@chapter Options
-@c man begin OPTIONS
-
-@include avtools-common-opts.texi
-
-@section Main options
-
-@table @option
-@item -f @var{configfile}
-Use @file{configfile} instead of @file{/etc/avserver.conf}.
-@item -n
-Enable no-launch mode. This option disables all the Launch directives
-within the various <Stream> sections. Since avserver will not launch
-any avconv instances, you will have to launch them manually.
-@item -d
-Enable debug mode. This option increases log verbosity, directs log
-messages to stdout.
-@end table
-@c man end
-
-@ignore
-
-@setfilename avserver
-@settitle avserver video server
-
-@c man begin SEEALSO
-
-avconv(1), avplay(1), avprobe(1), the @file{avserver.conf}
-example and the Libav HTML documentation
-@c man end
-
-@c man begin AUTHORS
-The Libav developers
-@c man end
-
-@end ignore
-
-@bye
diff --git a/doc/general.texi b/doc/general.texi
index 3b79796..1fd5f36 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -235,7 +235,6 @@ library:
@item Electronic Arts cdata @tab @tab X
@item Electronic Arts Multimedia @tab @tab X
@tab Used in various EA games; files have extensions like WVE and UV2.
-@item FFM (AVserver live feed) @tab X @tab X
@item Flash (SWF) @tab X @tab X
@item Flash 9 (AVM2) @tab X @tab X
@tab Only embedded audio is decoded.
diff --git a/libavformat/Makefile b/libavformat/Makefile
index b6957f6..a7ff117 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -107,8 +107,6 @@ OBJS-$(CONFIG_EA_CDATA_DEMUXER) += eacdata.o
OBJS-$(CONFIG_EA_DEMUXER) += electronicarts.o
OBJS-$(CONFIG_EAC3_DEMUXER) += ac3dec.o rawdec.o
OBJS-$(CONFIG_EAC3_MUXER) += rawenc.o
-OBJS-$(CONFIG_FFM_DEMUXER) += ffmdec.o
-OBJS-$(CONFIG_FFM_MUXER) += ffmenc.o
OBJS-$(CONFIG_FFMETADATA_DEMUXER) += ffmetadec.o
OBJS-$(CONFIG_FFMETADATA_MUXER) += ffmetaenc.o
OBJS-$(CONFIG_FILMSTRIP_DEMUXER) += filmstripdec.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 40962f8..8083ef3 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -100,7 +100,6 @@ void av_register_all(void)
REGISTER_DEMUXER (EA_CDATA, ea_cdata);
REGISTER_MUXDEMUX(EAC3, eac3);
REGISTER_MUXER (F4V, f4v);
- REGISTER_MUXDEMUX(FFM, ffm);
REGISTER_MUXDEMUX(FFMETADATA, ffmetadata);
REGISTER_MUXDEMUX(FILMSTRIP, filmstrip);
REGISTER_MUXDEMUX(FLAC, flac);
diff --git a/libavformat/ffm.h b/libavformat/ffm.h
deleted file mode 100644
index 70c3e88..0000000
--- a/libavformat/ffm.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * FFM (avserver live feed) common header
- * Copyright (c) 2001 Fabrice Bellard
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVFORMAT_FFM_H
-#define AVFORMAT_FFM_H
-
-#include <stdint.h>
-#include "avformat.h"
-#include "avio.h"
-
-/* The FFM file is made of blocks of fixed size */
-#define FFM_HEADER_SIZE 14
-#define FFM_PACKET_SIZE 4096
-#define PACKET_ID 0x666d
-
-/* each packet contains frames (which can span several packets */
-#define FRAME_HEADER_SIZE 16
-#define FLAG_KEY_FRAME 0x01
-#define FLAG_DTS 0x02
-
-enum {
- READ_HEADER,
- READ_DATA,
-};
-
-typedef struct FFMContext {
- /* only reading mode */
- int64_t write_index, file_size;
- int read_state;
- uint8_t header[FRAME_HEADER_SIZE+4];
-
- /* read and write */
- int first_packet; /* true if first packet, needed to set the discontinuity tag */
- int packet_size;
- int frame_offset;
- int64_t dts;
- uint8_t *packet_ptr, *packet_end;
- uint8_t packet[FFM_PACKET_SIZE];
-} FFMContext;
-
-#endif /* AVFORMAT_FFM_H */
diff --git a/libavformat/ffmdec.c b/libavformat/ffmdec.c
deleted file mode 100644
index acc1dc4..0000000
--- a/libavformat/ffmdec.c
+++ /dev/null
@@ -1,483 +0,0 @@
-/*
- * FFM (avserver live feed) demuxer
- * Copyright (c) 2001 Fabrice Bellard
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <stdint.h>
-
-#include "libavutil/intreadwrite.h"
-#include "libavutil/intfloat.h"
-#include "avformat.h"
-#include "internal.h"
-#include "ffm.h"
-
-static int ffm_is_avail_data(AVFormatContext *s, int size)
-{
- FFMContext *ffm = s->priv_data;
- int64_t pos, avail_size;
- int len;
-
- len = ffm->packet_end - ffm->packet_ptr;
- if (size <= len)
- return 1;
- pos = avio_tell(s->pb);
- if (!ffm->write_index) {
- if (pos == ffm->file_size)
- return AVERROR_EOF;
- avail_size = ffm->file_size - pos;
- } else {
- if (pos == ffm->write_index) {
- /* exactly at the end of stream */
- return AVERROR(EAGAIN);
- } else if (pos < ffm->write_index) {
- avail_size = ffm->write_index - pos;
- } else {
- avail_size = (ffm->file_size - pos) + (ffm->write_index - FFM_PACKET_SIZE);
- }
- }
- avail_size = (avail_size / ffm->packet_size) * (ffm->packet_size - FFM_HEADER_SIZE) + len;
- if (size <= avail_size)
- return 1;
- else
- return AVERROR(EAGAIN);
-}
-
-static int ffm_resync(AVFormatContext *s, int state)
-{
- av_log(s, AV_LOG_ERROR, "resyncing\n");
- while (state != PACKET_ID) {
- if (s->pb->eof_reached) {
- av_log(s, AV_LOG_ERROR, "cannot find FFM syncword\n");
- return -1;
- }
- state = (state << 8) | avio_r8(s->pb);
- }
- return 0;
-}
-
-/* first is true if we read the frame header */
-static int ffm_read_data(AVFormatContext *s,
- uint8_t *buf, int size, int header)
-{
- FFMContext *ffm = s->priv_data;
- AVIOContext *pb = s->pb;
- int len, fill_size, size1, frame_offset, id;
-
- size1 = size;
- while (size > 0) {
- redo:
- len = ffm->packet_end - ffm->packet_ptr;
- if (len < 0)
- return -1;
- if (len > size)
- len = size;
- if (len == 0) {
- if (avio_tell(pb) == ffm->file_size)
- avio_seek(pb, ffm->packet_size, SEEK_SET);
- retry_read:
- id = avio_rb16(pb); /* PACKET_ID */
- if (id != PACKET_ID)
- if (ffm_resync(s, id) < 0)
- return -1;
- fill_size = avio_rb16(pb);
- ffm->dts = avio_rb64(pb);
- frame_offset = avio_rb16(pb);
- avio_read(pb, ffm->packet, ffm->packet_size - FFM_HEADER_SIZE);
- ffm->packet_end = ffm->packet + (ffm->packet_size - FFM_HEADER_SIZE - fill_size);
- if (ffm->packet_end < ffm->packet || frame_offset < 0)
- return -1;
- /* if first packet or resynchronization packet, we must
- handle it specifically */
- if (ffm->first_packet || (frame_offset & 0x8000)) {
- if (!frame_offset) {
- /* This packet has no frame headers in it */
- if (avio_tell(pb) >= ffm->packet_size * 3) {
- avio_seek(pb, -ffm->packet_size * 2, SEEK_CUR);
- goto retry_read;
- }
- /* This is bad, we cannot find a valid frame header */
- return 0;
- }
- ffm->first_packet = 0;
- if ((frame_offset & 0x7fff) < FFM_HEADER_SIZE)
- return -1;
- ffm->packet_ptr = ffm->packet + (frame_offset & 0x7fff) - FFM_HEADER_SIZE;
- if (!header)
- break;
- } else {
- ffm->packet_ptr = ffm->packet;
- }
- goto redo;
- }
- memcpy(buf, ffm->packet_ptr, len);
- buf += len;
- ffm->packet_ptr += len;
- size -= len;
- header = 0;
- }
- return size1 - size;
-}
-
-/* ensure that acutal seeking happens between FFM_PACKET_SIZE
- and file_size - FFM_PACKET_SIZE */
-static int64_t ffm_seek1(AVFormatContext *s, int64_t pos1)
-{
- FFMContext *ffm = s->priv_data;
- AVIOContext *pb = s->pb;
- int64_t pos;
-
- pos = FFMIN(pos1, ffm->file_size - FFM_PACKET_SIZE);
- pos = FFMAX(pos, FFM_PACKET_SIZE);
- av_dlog(s, "seek to %"PRIx64" -> %"PRIx64"\n", pos1, pos);
- return avio_seek(pb, pos, SEEK_SET);
-}
-
-static int64_t get_dts(AVFormatContext *s, int64_t pos)
-{
- AVIOContext *pb = s->pb;
- int64_t dts;
-
- ffm_seek1(s, pos);
- avio_skip(pb, 4);
- dts = avio_rb64(pb);
- av_dlog(s, "dts=%0.6f\n", dts / 1000000.0);
- return dts;
-}
-
-static void adjust_write_index(AVFormatContext *s)
-{
- FFMContext *ffm = s->priv_data;
- AVIOContext *pb = s->pb;
- int64_t pts;
- //int64_t orig_write_index = ffm->write_index;
- int64_t pos_min, pos_max;
- int64_t pts_start;
- int64_t ptr = avio_tell(pb);
-
-
- pos_min = 0;
- pos_max = ffm->file_size - 2 * FFM_PACKET_SIZE;
-
- pts_start = get_dts(s, pos_min);
-
- pts = get_dts(s, pos_max);
-
- if (pts - 100000 > pts_start)
- goto end;
-
- ffm->write_index = FFM_PACKET_SIZE;
-
- pts_start = get_dts(s, pos_min);
-
- pts = get_dts(s, pos_max);
-
- if (pts - 100000 <= pts_start) {
- while (1) {
- int64_t newpos;
- int64_t newpts;
-
- newpos = ((pos_max + pos_min) / (2 * FFM_PACKET_SIZE)) * FFM_PACKET_SIZE;
-
- if (newpos == pos_min)
- break;
-
- newpts = get_dts(s, newpos);
-
- if (newpts - 100000 <= pts) {
- pos_max = newpos;
- pts = newpts;
- } else {
- pos_min = newpos;
- }
- }
- ffm->write_index += pos_max;
- }
-
- end:
- avio_seek(pb, ptr, SEEK_SET);
-}
-
-
-static int ffm_close(AVFormatContext *s)
-{
- int i;
-
- for (i = 0; i < s->nb_streams; i++)
- av_freep(&s->streams[i]->codec->rc_eq);
-
- return 0;
-}
-
-
-static int ffm_read_header(AVFormatContext *s)
-{
- FFMContext *ffm = s->priv_data;
- AVStream *st;
- AVIOContext *pb = s->pb;
- AVCodecContext *codec;
- int i, nb_streams;
- uint32_t tag;
-
- /* header */
- tag = avio_rl32(pb);
- if (tag != MKTAG('F', 'F', 'M', '1'))
- goto fail;
- ffm->packet_size = avio_rb32(pb);
- if (ffm->packet_size != FFM_PACKET_SIZE)
- goto fail;
- ffm->write_index = avio_rb64(pb);
- /* get also filesize */
- if (pb->seekable) {
- ffm->file_size = avio_size(pb);
- if (ffm->write_index)
- adjust_write_index(s);
- } else {
- ffm->file_size = (UINT64_C(1) << 63) - 1;
- }
-
- nb_streams = avio_rb32(pb);
- avio_rb32(pb); /* total bitrate */
- /* read each stream */
- for(i=0;i<nb_streams;i++) {
- char rc_eq_buf[128];
-
- st = avformat_new_stream(s, NULL);
- if (!st)
- goto fail;
-
- avpriv_set_pts_info(st, 64, 1, 1000000);
-
- codec = st->codec;
- /* generic info */
- codec->codec_id = avio_rb32(pb);
- codec->codec_type = avio_r8(pb); /* codec_type */
- codec->bit_rate = avio_rb32(pb);
- codec->flags = avio_rb32(pb);
- codec->flags2 = avio_rb32(pb);
- codec->debug = avio_rb32(pb);
- /* specific info */
- switch(codec->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- codec->time_base.num = avio_rb32(pb);
- codec->time_base.den = avio_rb32(pb);
- codec->width = avio_rb16(pb);
- codec->height = avio_rb16(pb);
- codec->gop_size = avio_rb16(pb);
- codec->pix_fmt = avio_rb32(pb);
- codec->qmin = avio_r8(pb);
- codec->qmax = avio_r8(pb);
- codec->max_qdiff = avio_r8(pb);
- codec->qcompress = avio_rb16(pb) / 10000.0;
- codec->qblur = avio_rb16(pb) / 10000.0;
- codec->bit_rate_tolerance = avio_rb32(pb);
- avio_get_str(pb, INT_MAX, rc_eq_buf, sizeof(rc_eq_buf));
- codec->rc_eq = av_strdup(rc_eq_buf);
- codec->rc_max_rate = avio_rb32(pb);
- codec->rc_min_rate = avio_rb32(pb);
- codec->rc_buffer_size = avio_rb32(pb);
- codec->i_quant_factor = av_int2double(avio_rb64(pb));
- codec->b_quant_factor = av_int2double(avio_rb64(pb));
- codec->i_quant_offset = av_int2double(avio_rb64(pb));
- codec->b_quant_offset = av_int2double(avio_rb64(pb));
- codec->dct_algo = avio_rb32(pb);
- codec->strict_std_compliance = avio_rb32(pb);
- codec->max_b_frames = avio_rb32(pb);
- codec->mpeg_quant = avio_rb32(pb);
- codec->intra_dc_precision = avio_rb32(pb);
- codec->me_method = avio_rb32(pb);
- codec->mb_decision = avio_rb32(pb);
- codec->nsse_weight = avio_rb32(pb);
- codec->frame_skip_cmp = avio_rb32(pb);
- codec->rc_buffer_aggressivity = av_int2double(avio_rb64(pb));
- codec->codec_tag = avio_rb32(pb);
- codec->thread_count = avio_r8(pb);
- codec->coder_type = avio_rb32(pb);
- codec->me_cmp = avio_rb32(pb);
- codec->me_subpel_quality = avio_rb32(pb);
- codec->me_range = avio_rb32(pb);
- codec->keyint_min = avio_rb32(pb);
- codec->scenechange_threshold = avio_rb32(pb);
- codec->b_frame_strategy = avio_rb32(pb);
- codec->qcompress = av_int2double(avio_rb64(pb));
- codec->qblur = av_int2double(avio_rb64(pb));
- codec->max_qdiff = avio_rb32(pb);
- codec->refs = avio_rb32(pb);
- break;
- case AVMEDIA_TYPE_AUDIO:
- codec->sample_rate = avio_rb32(pb);
- codec->channels = avio_rl16(pb);
- codec->frame_size = avio_rl16(pb);
- break;
- default:
- goto fail;
- }
- if (codec->flags & CODEC_FLAG_GLOBAL_HEADER) {
- codec->extradata_size = avio_rb32(pb);
- codec->extradata = av_malloc(codec->extradata_size);
- if (!codec->extradata)
- return AVERROR(ENOMEM);
- avio_read(pb, codec->extradata, codec->extradata_size);
- }
- }
-
- /* get until end of block reached */
- while ((avio_tell(pb) % ffm->packet_size) != 0)
- avio_r8(pb);
-
- /* init packet demux */
- ffm->packet_ptr = ffm->packet;
- ffm->packet_end = ffm->packet;
- ffm->frame_offset = 0;
- ffm->dts = 0;
- ffm->read_state = READ_HEADER;
- ffm->first_packet = 1;
- return 0;
- fail:
- ffm_close(s);
- return -1;
-}
-
-/* return < 0 if eof */
-static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
- int size;
- FFMContext *ffm = s->priv_data;
- int duration, ret;
-
- switch(ffm->read_state) {
- case READ_HEADER:
- if ((ret = ffm_is_avail_data(s, FRAME_HEADER_SIZE+4)) < 0)
- return ret;
-
- av_dlog(s, "pos=%08"PRIx64" spos=%"PRIx64", write_index=%"PRIx64" size=%"PRIx64"\n",
- avio_tell(s->pb), s->pb->pos, ffm->write_index, ffm->file_size);
- if (ffm_read_data(s, ffm->header, FRAME_HEADER_SIZE, 1) !=
- FRAME_HEADER_SIZE)
- return -1;
- if (ffm->header[1] & FLAG_DTS)
- if (ffm_read_data(s, ffm->header+16, 4, 1) != 4)
- return -1;
- ffm->read_state = READ_DATA;
- /* fall thru */
- case READ_DATA:
- size = AV_RB24(ffm->header + 2);
- if ((ret = ffm_is_avail_data(s, size)) < 0)
- return ret;
-
- duration = AV_RB24(ffm->header + 5);
-
- av_new_packet(pkt, size);
- pkt->stream_index = ffm->header[0];
- if ((unsigned)pkt->stream_index >= s->nb_streams) {
- av_log(s, AV_LOG_ERROR, "invalid stream index %d\n", pkt->stream_index);
- av_free_packet(pkt);
- ffm->read_state = READ_HEADER;
- return -1;
- }
- pkt->pos = avio_tell(s->pb);
- if (ffm->header[1] & FLAG_KEY_FRAME)
- pkt->flags |= AV_PKT_FLAG_KEY;
-
- ffm->read_state = READ_HEADER;
- if (ffm_read_data(s, pkt->data, size, 0) != size) {
- /* bad case: desynchronized packet. we cancel all the packet loading */
- av_free_packet(pkt);
- return -1;
- }
- pkt->pts = AV_RB64(ffm->header+8);
- if (ffm->header[1] & FLAG_DTS)
- pkt->dts = pkt->pts - AV_RB32(ffm->header+16);
- else
- pkt->dts = pkt->pts;
- pkt->duration = duration;
- break;
- }
- return 0;
-}
-
-/* seek to a given time in the file. The file read pointer is
- positioned at or before pts. XXX: the following code is quite
- approximative */
-static int ffm_seek(AVFormatContext *s, int stream_index, int64_t wanted_pts, int flags)
-{
- FFMContext *ffm = s->priv_data;
- int64_t pos_min, pos_max, pos;
- int64_t pts_min, pts_max, pts;
- double pos1;
-
- av_dlog(s, "wanted_pts=%0.6f\n", wanted_pts / 1000000.0);
- /* find the position using linear interpolation (better than
- dichotomy in typical cases) */
- pos_min = FFM_PACKET_SIZE;
- pos_max = ffm->file_size - FFM_PACKET_SIZE;
- while (pos_min <= pos_max) {
- pts_min = get_dts(s, pos_min);
- pts_max = get_dts(s, pos_max);
- /* linear interpolation */
- pos1 = (double)(pos_max - pos_min) * (double)(wanted_pts - pts_min) /
- (double)(pts_max - pts_min);
- pos = (((int64_t)pos1) / FFM_PACKET_SIZE) * FFM_PACKET_SIZE;
- if (pos <= pos_min)
- pos = pos_min;
- else if (pos >= pos_max)
- pos = pos_max;
- pts = get_dts(s, pos);
- /* check if we are lucky */
- if (pts == wanted_pts) {
- goto found;
- } else if (pts > wanted_pts) {
- pos_max = pos - FFM_PACKET_SIZE;
- } else {
- pos_min = pos + FFM_PACKET_SIZE;
- }
- }
- pos = (flags & AVSEEK_FLAG_BACKWARD) ? pos_min : pos_max;
-
- found:
- if (ffm_seek1(s, pos) < 0)
- return -1;
-
- /* reset read state */
- ffm->read_state = READ_HEADER;
- ffm->packet_ptr = ffm->packet;
- ffm->packet_end = ffm->packet;
- ffm->first_packet = 1;
-
- return 0;
-}
-
-static int ffm_probe(AVProbeData *p)
-{
- if (
- p->buf[0] == 'F' && p->buf[1] == 'F' && p->buf[2] == 'M' &&
- p->buf[3] == '1')
- return AVPROBE_SCORE_MAX + 1;
- return 0;
-}
-
-AVInputFormat ff_ffm_demuxer = {
- .name = "ffm",
- .long_name = NULL_IF_CONFIG_SMALL("FFM (AVserver live feed)"),
- .priv_data_size = sizeof(FFMContext),
- .read_probe = ffm_probe,
- .read_header = ffm_read_header,
- .read_packet = ffm_read_packet,
- .read_close = ffm_close,
- .read_seek = ffm_seek,
-};
diff --git a/libavformat/ffmenc.c b/libavformat/ffmenc.c
deleted file mode 100644
index 91658e1..0000000
--- a/libavformat/ffmenc.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/*
- * FFM (avserver live feed) muxer
- * Copyright (c) 2001 Fabrice Bellard
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <assert.h>
-
-#include "libavutil/intreadwrite.h"
-#include "libavutil/intfloat.h"
-#include "avformat.h"
-#include "internal.h"
-#include "ffm.h"
-
-static void flush_packet(AVFormatContext *s)
-{
- FFMContext *ffm = s->priv_data;
- int fill_size, h;
- AVIOContext *pb = s->pb;
-
- fill_size = ffm->packet_end - ffm->packet_ptr;
- memset(ffm->packet_ptr, 0, fill_size);
-
- assert(avio_tell(pb) % ffm->packet_size == 0);
-
- /* put header */
- avio_wb16(pb, PACKET_ID);
- avio_wb16(pb, fill_size);
- avio_wb64(pb, ffm->dts);
- h = ffm->frame_offset;
- if (ffm->first_packet)
- h |= 0x8000;
- avio_wb16(pb, h);
- avio_write(pb, ffm->packet, ffm->packet_end - ffm->packet);
- avio_flush(pb);
-
- /* prepare next packet */
- ffm->frame_offset = 0; /* no key frame */
- ffm->packet_ptr = ffm->packet;
- ffm->first_packet = 0;
-}
-
-/* 'first' is true if first data of a frame */
-static void ffm_write_data(AVFormatContext *s,
- const uint8_t *buf, int size,
- int64_t dts, int header)
-{
- FFMContext *ffm = s->priv_data;
- int len;
-
- if (header && ffm->frame_offset == 0) {
- ffm->frame_offset = ffm->packet_ptr - ffm->packet + FFM_HEADER_SIZE;
- ffm->dts = dts;
- }
-
- /* write as many packets as needed */
- while (size > 0) {
- len = ffm->packet_end - ffm->packet_ptr;
- if (len > size)
- len = size;
- memcpy(ffm->packet_ptr, buf, len);
-
- ffm->packet_ptr += len;
- buf += len;
- size -= len;
- if (ffm->packet_ptr >= ffm->packet_end)
- flush_packet(s);
- }
-}
-
-static int ffm_write_header(AVFormatContext *s)
-{
- FFMContext *ffm = s->priv_data;
- AVStream *st;
- AVIOContext *pb = s->pb;
- AVCodecContext *codec;
- int bit_rate, i;
-
- ffm->packet_size = FFM_PACKET_SIZE;
-
- /* header */
- avio_wl32(pb, MKTAG('F', 'F', 'M', '1'));
- avio_wb32(pb, ffm->packet_size);
- avio_wb64(pb, 0); /* current write position */
-
- avio_wb32(pb, s->nb_streams);
- bit_rate = 0;
- for(i=0;i<s->nb_streams;i++) {
- st = s->streams[i];
- bit_rate += st->codec->bit_rate;
- }
- avio_wb32(pb, bit_rate);
-
- /* list of streams */
- for(i=0;i<s->nb_streams;i++) {
- st = s->streams[i];
- avpriv_set_pts_info(st, 64, 1, 1000000);
-
- codec = st->codec;
- /* generic info */
- avio_wb32(pb, codec->codec_id);
- avio_w8(pb, codec->codec_type);
- avio_wb32(pb, codec->bit_rate);
- avio_wb32(pb, codec->flags);
- avio_wb32(pb, codec->flags2);
- avio_wb32(pb, codec->debug);
- /* specific info */
- switch(codec->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- avio_wb32(pb, codec->time_base.num);
- avio_wb32(pb, codec->time_base.den);
- avio_wb16(pb, codec->width);
- avio_wb16(pb, codec->height);
- avio_wb16(pb, codec->gop_size);
- avio_wb32(pb, codec->pix_fmt);
- avio_w8(pb, codec->qmin);
- avio_w8(pb, codec->qmax);
- avio_w8(pb, codec->max_qdiff);
- avio_wb16(pb, (int) (codec->qcompress * 10000.0));
- avio_wb16(pb, (int) (codec->qblur * 10000.0));
- avio_wb32(pb, codec->bit_rate_tolerance);
- avio_put_str(pb, codec->rc_eq ? codec->rc_eq : "tex^qComp");
- avio_wb32(pb, codec->rc_max_rate);
- avio_wb32(pb, codec->rc_min_rate);
- avio_wb32(pb, codec->rc_buffer_size);
- avio_wb64(pb, av_double2int(codec->i_quant_factor));
- avio_wb64(pb, av_double2int(codec->b_quant_factor));
- avio_wb64(pb, av_double2int(codec->i_quant_offset));
- avio_wb64(pb, av_double2int(codec->b_quant_offset));
- avio_wb32(pb, codec->dct_algo);
- avio_wb32(pb, codec->strict_std_compliance);
- avio_wb32(pb, codec->max_b_frames);
- avio_wb32(pb, codec->mpeg_quant);
- avio_wb32(pb, codec->intra_dc_precision);
- avio_wb32(pb, codec->me_method);
- avio_wb32(pb, codec->mb_decision);
- avio_wb32(pb, codec->nsse_weight);
- avio_wb32(pb, codec->frame_skip_cmp);
- avio_wb64(pb, av_double2int(codec->rc_buffer_aggressivity));
- avio_wb32(pb, codec->codec_tag);
- avio_w8(pb, codec->thread_count);
- avio_wb32(pb, codec->coder_type);
- avio_wb32(pb, codec->me_cmp);
- avio_wb32(pb, codec->me_subpel_quality);
- avio_wb32(pb, codec->me_range);
- avio_wb32(pb, codec->keyint_min);
- avio_wb32(pb, codec->scenechange_threshold);
- avio_wb32(pb, codec->b_frame_strategy);
- avio_wb64(pb, av_double2int(codec->qcompress));
- avio_wb64(pb, av_double2int(codec->qblur));
- avio_wb32(pb, codec->max_qdiff);
- avio_wb32(pb, codec->refs);
- break;
- case AVMEDIA_TYPE_AUDIO:
- avio_wb32(pb, codec->sample_rate);
- avio_wl16(pb, codec->channels);
- avio_wl16(pb, codec->frame_size);
- break;
- default:
- return -1;
- }
- if (codec->flags & CODEC_FLAG_GLOBAL_HEADER) {
- avio_wb32(pb, codec->extradata_size);
- avio_write(pb, codec->extradata, codec->extradata_size);
- }
- }
-
- /* flush until end of block reached */
- while ((avio_tell(pb) % ffm->packet_size) != 0)
- avio_w8(pb, 0);
-
- avio_flush(pb);
-
- /* init packet mux */
- ffm->packet_ptr = ffm->packet;
- ffm->packet_end = ffm->packet + ffm->packet_size - FFM_HEADER_SIZE;
- assert(ffm->packet_end >= ffm->packet);
- ffm->frame_offset = 0;
- ffm->dts = 0;
- ffm->first_packet = 1;
-
- return 0;
-}
-
-static int ffm_write_packet(AVFormatContext *s, AVPacket *pkt)
-{
- int64_t dts;
- uint8_t header[FRAME_HEADER_SIZE+4];
- int header_size = FRAME_HEADER_SIZE;
-
- dts = pkt->dts;
- /* packet size & key_frame */
- header[0] = pkt->stream_index;
- header[1] = 0;
- if (pkt->flags & AV_PKT_FLAG_KEY)
- header[1] |= FLAG_KEY_FRAME;
- AV_WB24(header+2, pkt->size);
- AV_WB24(header+5, pkt->duration);
- AV_WB64(header+8, pkt->pts);
- if (pkt->pts != pkt->dts) {
- header[1] |= FLAG_DTS;
- AV_WB32(header+16, pkt->pts - pkt->dts);
- header_size += 4;
- }
- ffm_write_data(s, header, header_size, dts, 1);
- ffm_write_data(s, pkt->data, pkt->size, dts, 0);
-
- return 0;
-}
-
-static int ffm_write_trailer(AVFormatContext *s)
-{
- FFMContext *ffm = s->priv_data;
-
- /* flush packets */
- if (ffm->packet_ptr > ffm->packet)
- flush_packet(s);
-
- return 0;
-}
-
-AVOutputFormat ff_ffm_muxer = {
- .name = "ffm",
- .long_name = NULL_IF_CONFIG_SMALL("FFM (AVserver live feed)"),
- .mime_type = "",
- .extensions = "ffm",
- .priv_data_size = sizeof(FFMContext),
- .audio_codec = AV_CODEC_ID_MP2,
- .video_codec = AV_CODEC_ID_MPEG1VIDEO,
- .write_header = ffm_write_header,
- .write_packet = ffm_write_packet,
- .write_trailer = ffm_write_trailer,
- .flags = AVFMT_TS_NEGATIVE,
-};
diff --git a/tests/fate/avformat.mak b/tests/fate/avformat.mak
index 7ef68ad..458ae7c 100644
--- a/tests/fate/avformat.mak
+++ b/tests/fate/avformat.mak
@@ -6,7 +6,6 @@ FATE_LAVF-$(call ENCDEC2, MPEG4, MP2, AVI) += avi
FATE_LAVF-$(call ENCDEC, BMP, IMAGE2) += bmp
FATE_LAVF-$(call ENCDEC, DPX, IMAGE2) += dpx
FATE_LAVF-$(call ENCDEC2, DVVIDEO, PCM_S16LE, AVI) += dv_fmt
-FATE_LAVF-$(call ENCDEC2, MPEG1VIDEO, MP2, FFM) += ffm
FATE_LAVF-$(call ENCDEC, FLV, FLV) += flv_fmt
FATE_LAVF-$(call ENCDEC, GIF, IMAGE2) += gif
FATE_LAVF-$(call ENCDEC2, MPEG2VIDEO, PCM_S16LE, GXF) += gxf
diff --git a/tests/fate/seek.mak b/tests/fate/seek.mak
index a423711..be06f0f 100644
--- a/tests/fate/seek.mak
+++ b/tests/fate/seek.mak
@@ -151,7 +151,6 @@ FATE_SEEK_LAVF-$(call ENCDEC, PCM_S16BE, AU) += au
FATE_SEEK_LAVF-$(call ENCDEC2, MPEG4, MP2, AVI) += avi
FATE_SEEK_LAVF-$(call ENCDEC, BMP, IMAGE2) += bmp
FATE_SEEK_LAVF-$(call ENCDEC2, DVVIDEO, PCM_S16LE, AVI) += dv_fmt
-FATE_SEEK_LAVF-$(call ENCDEC2, MPEG1VIDEO, MP2, FFM) += ffm
FATE_SEEK_LAVF-$(call ENCDEC, FLV, FLV) += flv_fmt
FATE_SEEK_LAVF-$(call ENCDEC, GIF, IMAGE2) += gif
FATE_SEEK_LAVF-$(call ENCDEC2, MPEG2VIDEO, PCM_S16LE, GXF) += gxf
@@ -188,7 +187,6 @@ fate-seek-lavf-au: SRC = lavf/lavf.au
fate-seek-lavf-avi: SRC = lavf/lavf.avi
fate-seek-lavf-bmp: SRC = images/bmp/%02d.bmp
fate-seek-lavf-dv_fmt: SRC = lavf/lavf.dv
-fate-seek-lavf-ffm: SRC = lavf/lavf.ffm
fate-seek-lavf-flv_fmt: SRC = lavf/lavf.flv
fate-seek-lavf-gif: SRC = lavf/lavf.gif
fate-seek-lavf-gxf: SRC = lavf/lavf.gxf
diff --git a/tests/lavf-regression.sh b/tests/lavf-regression.sh
index e2edee2..3c18b2f 100755
--- a/tests/lavf-regression.sh
+++ b/tests/lavf-regression.sh
@@ -78,10 +78,6 @@ if [ -n "$do_swf" ] ; then
do_lavf swf "" "-an"
fi
-if [ -n "$do_ffm" ] ; then
-do_lavf ffm "" "-ar 44100"
-fi
-
if [ -n "$do_flv_fmt" ] ; then
do_lavf flv "" "-an"
fi
diff --git a/tests/ref/lavf/ffm b/tests/ref/lavf/ffm
deleted file mode 100644
index 7518a81..0000000
--- a/tests/ref/lavf/ffm
+++ /dev/null
@@ -1,3 +0,0 @@
-f3f0c42283b75bc826f499f048085c27 *./tests/data/lavf/lavf.ffm
-376832 ./tests/data/lavf/lavf.ffm
-./tests/data/lavf/lavf.ffm CRC=0xdd24439e
diff --git a/tests/ref/seek/lavf-ffm b/tests/ref/seek/lavf-ffm
deleted file mode 100644
index 2597220..0000000
--- a/tests/ref/seek/lavf-ffm
+++ /dev/null
@@ -1,53 +0,0 @@
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
-ret: 0 st:-1 flags:0 ts:-1.000000
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
-ret: 0 st:-1 flags:1 ts: 1.894167
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st: 0 flags:0 ts: 0.788334
-ret: 0 st: 1 flags:1 dts: 0.772766 pts: 0.772766 pos: 315392 size: 209
-ret: 0 st: 0 flags:1 ts:-0.317499
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
-ret: 0 st: 1 flags:0 ts: 2.576668
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st: 1 flags:1 ts: 1.470835
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st:-1 flags:0 ts: 0.365002
-ret: 0 st: 1 flags:1 dts: 0.328685 pts: 0.328685 pos: 155648 size: 209
-ret: 0 st:-1 flags:1 ts:-0.740831
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
-ret: 0 st: 0 flags:0 ts: 2.153336
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st: 0 flags:1 ts: 1.047503
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st: 1 flags:0 ts:-0.058330
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
-ret: 0 st: 1 flags:1 ts: 2.835837
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st:-1 flags:0 ts: 1.730004
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st:-1 flags:1 ts: 0.624171
-ret: 0 st: 1 flags:1 dts: 0.642154 pts: 0.642154 pos: 274432 size: 209
-ret: 0 st: 0 flags:0 ts:-0.481662
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
-ret: 0 st: 0 flags:1 ts: 2.412505
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st: 1 flags:0 ts: 1.306672
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st: 1 flags:1 ts: 0.200839
-ret: 0 st: 1 flags:1 dts: 0.224195 pts: 0.224195 pos: 114688 size: 209
-ret: 0 st:-1 flags:0 ts:-0.904994
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
-ret: 0 st:-1 flags:1 ts: 1.989173
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st: 0 flags:0 ts: 0.883340
-ret: 0 st: 1 flags:1 dts: 0.877256 pts: 0.877256 pos: 339968 size: 209
-ret: 0 st: 0 flags:1 ts:-0.222493
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
-ret: 0 st: 1 flags:0 ts: 2.671674
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st: 1 flags:1 ts: 1.565841
-ret: 0 st: 1 flags:1 dts: 0.929501 pts: 0.929501 pos: 376832 size: 209
-ret: 0 st:-1 flags:0 ts: 0.460008
-ret: 0 st: 1 flags:1 dts: 0.459297 pts: 0.459297 pos: 204800 size: 209
-ret: 0 st:-1 flags:1 ts:-0.645825
-ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
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