Merge remote branch 'qatar/master'

* qatar/master:
  Handle unicode file names on windows
  rtp: Rename the open/close functions to alloc/free
  Lowercase all ff* program names.
  Refer to ff* tools by their lowercase names.
NOT Pulled  Replace more FFmpeg instances by Libav or ffmpeg.
  Replace `` by $() syntax in shell scripts.
  patcheck: Allow overiding grep program(s) through environment variables.
NOT Pulled  Remove stray libavcore and _g binary references.
  vorbis: Rename decoder/encoder files to follow general file naming scheme.
  aacenc: Fix whitespace after last commit.
  cook: Fix small typo in av_log_ask_for_sample message.
  aacenc: Finish 3GPP psymodel analysis for non mid/side cases.
  Remove RDFT dependency from AAC decoder.
  Add some debug log messages to AAC extradata
  Fix mov debug (u)int64_t format strings.
  bswap: use native types for av_bwap16().
  doc: FLV muxing is supported.
  applehttp: Handle AES-128 encrypted streams
  Add a protocol handler for AES CBC decryption with PKCS7 padding
  doc: Mention that DragonFly BSD requires __BSD_VISIBLE set

Conflicts:
	ffplay.c
	ffprobe.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

22 files changed, 349 insertions, 42 deletions

diff --git a/libavformat/Makefile b/libavformat/Makefile
index f83642f..83f92e1 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -316,6 +316,7 @@ OBJS+= avio.o aviobuf.o
 
 OBJS-$(CONFIG_APPLEHTTP_PROTOCOL)        += applehttpproto.o
 OBJS-$(CONFIG_CONCAT_PROTOCOL)           += concat.o
+OBJS-$(CONFIG_CRYPTO_PROTOCOL)           += crypto.o
 OBJS-$(CONFIG_FILE_PROTOCOL)             += file.o
 OBJS-$(CONFIG_GOPHER_PROTOCOL)           += gopher.o
 OBJS-$(CONFIG_HTTP_PROTOCOL)             += http.o httpauth.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 4f28ab7..d08f2f7 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -237,6 +237,7 @@ void av_register_all(void)
     /* protocols */
     REGISTER_PROTOCOL (APPLEHTTP, applehttp);
     REGISTER_PROTOCOL (CONCAT, concat);
+    REGISTER_PROTOCOL (CRYPTO, crypto);
     REGISTER_PROTOCOL (FILE, file);
     REGISTER_PROTOCOL (GOPHER, gopher);
     REGISTER_PROTOCOL (HTTP, http);
diff --git a/libavformat/applehttp.c b/libavformat/applehttp.c
index 27d9858..93d4f73 100644
--- a/libavformat/applehttp.c
+++ b/libavformat/applehttp.c
@@ -27,6 +27,8 @@
 
 #define _XOPEN_SOURCE 600
 #include "libavutil/avstring.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/opt.h"
 #include "avformat.h"
 #include "internal.h"
 #include <unistd.h>
@@ -47,9 +49,17 @@
  * one anonymous toplevel variant for this, to maintain the structure.
  */
 
+enum KeyType {
+    KEY_NONE,
+    KEY_AES_128,
+};
+
 struct segment {
     int duration;
     char url[MAX_URL_SIZE];
+    char key[MAX_URL_SIZE];
+    enum KeyType key_type;
+    uint8_t iv[16];
 };
 
 /*
@@ -77,6 +87,9 @@ struct variant {
     int needed, cur_needed;
     int cur_seq_no;
     int64_t last_load_time;
+
+    char key_url[MAX_URL_SIZE];
+    uint8_t key[16];
 };
 
 typedef struct AppleHTTPContext {
@@ -160,10 +173,35 @@ static void handle_variant_args(struct variant_info *info, const char *key,
     }
 }
 
+struct key_info {
+     char uri[MAX_URL_SIZE];
+     char method[10];
+     char iv[35];
+};
+
+static void handle_key_args(struct key_info *info, const char *key,
+                            int key_len, char **dest, int *dest_len)
+{
+    if (!strncmp(key, "METHOD=", key_len)) {
+        *dest     =        info->method;
+        *dest_len = sizeof(info->method);
+    } else if (!strncmp(key, "URI=", key_len)) {
+        *dest     =        info->uri;
+        *dest_len = sizeof(info->uri);
+    } else if (!strncmp(key, "IV=", key_len)) {
+        *dest     =        info->iv;
+        *dest_len = sizeof(info->iv);
+    }
+}
+
 static int parse_playlist(AppleHTTPContext *c, const char *url,
                           struct variant *var, AVIOContext *in)
 {
     int ret = 0, duration = 0, is_segment = 0, is_variant = 0, bandwidth = 0;
+    enum KeyType key_type = KEY_NONE;
+    uint8_t iv[16] = "";
+    int has_iv = 0;
+    char key[MAX_URL_SIZE];
     char line[1024];
     const char *ptr;
     int close_in = 0;
@@ -192,6 +230,19 @@ static int parse_playlist(AppleHTTPContext *c, const char *url,
             ff_parse_key_value(ptr, (ff_parse_key_val_cb) handle_variant_args,
                                &info);
             bandwidth = atoi(info.bandwidth);
+        } else if (av_strstart(line, "#EXT-X-KEY:", &ptr)) {
+            struct key_info info = {{0}};
+            ff_parse_key_value(ptr, (ff_parse_key_val_cb) handle_key_args,
+                               &info);
+            key_type = KEY_NONE;
+            has_iv = 0;
+            if (!strcmp(info.method, "AES-128"))
+                key_type = KEY_AES_128;
+            if (!strncmp(info.iv, "0x", 2) || !strncmp(info.iv, "0X", 2)) {
+                ff_hex_to_data(iv, info.iv + 2);
+                has_iv = 1;
+            }
+            av_strlcpy(key, info.uri, sizeof(key));
         } else if (av_strstart(line, "#EXT-X-TARGETDURATION:", &ptr)) {
             if (!var) {
                 var = new_variant(c, 0, url, NULL);
@@ -242,6 +293,15 @@ static int parse_playlist(AppleHTTPContext *c, const char *url,
                     goto fail;
                 }
                 seg->duration = duration;
+                seg->key_type = key_type;
+                if (has_iv) {
+                    memcpy(seg->iv, iv, sizeof(iv));
+                } else {
+                    int seq = var->start_seq_no + var->n_segments;
+                    memset(seg->iv, 0, sizeof(seg->iv));
+                    AV_WB32(seg->iv + 12, seq);
+                }
+                ff_make_absolute_url(seg->key, sizeof(seg->key), url, key);
                 ff_make_absolute_url(seg->url, sizeof(seg->url), url, line);
                 dynarray_add(&var->segments, &var->n_segments, seg);
                 is_segment = 0;
@@ -257,6 +317,50 @@ fail:
     return ret;
 }
 
+static int open_input(struct variant *var)
+{
+    struct segment *seg = var->segments[var->cur_seq_no - var->start_seq_no];
+    if (seg->key_type == KEY_NONE) {
+        return ffurl_open(&var->input, seg->url, AVIO_FLAG_READ);
+    } else if (seg->key_type == KEY_AES_128) {
+        char iv[33], key[33], url[MAX_URL_SIZE];
+        int ret;
+        if (strcmp(seg->key, var->key_url)) {
+            URLContext *uc;
+            if (ffurl_open(&uc, seg->key, AVIO_FLAG_READ) == 0) {
+                if (ffurl_read_complete(uc, var->key, sizeof(var->key))
+                    != sizeof(var->key)) {
+                    av_log(NULL, AV_LOG_ERROR, "Unable to read key file %s\n",
+                           seg->key);
+                }
+                ffurl_close(uc);
+            } else {
+                av_log(NULL, AV_LOG_ERROR, "Unable to open key file %s\n",
+                       seg->key);
+            }
+            av_strlcpy(var->key_url, seg->key, sizeof(var->key_url));
+        }
+        ff_data_to_hex(iv, seg->iv, sizeof(seg->iv), 0);
+        ff_data_to_hex(key, var->key, sizeof(var->key), 0);
+        iv[32] = key[32] = '\0';
+        if (strstr(seg->url, "://"))
+            snprintf(url, sizeof(url), "crypto+%s", seg->url);
+        else
+            snprintf(url, sizeof(url), "crypto:%s", seg->url);
+        if ((ret = ffurl_alloc(&var->input, url, AVIO_FLAG_READ)) < 0)
+            return ret;
+        av_set_string3(var->input->priv_data, "key", key, 0, NULL);
+        av_set_string3(var->input->priv_data, "iv", iv, 0, NULL);
+        if ((ret = ffurl_connect(var->input)) < 0) {
+            ffurl_close(var->input);
+            var->input = NULL;
+            return ret;
+        }
+        return 0;
+    }
+    return AVERROR(ENOSYS);
+}
+
 static int read_data(void *opaque, uint8_t *buf, int buf_size)
 {
     struct variant *v = opaque;
@@ -291,9 +395,7 @@ reload:
             goto reload;
         }
 
-        ret = ffurl_open(&v->input,
-                         v->segments[v->cur_seq_no - v->start_seq_no]->url,
-                         AVIO_FLAG_READ);
+        ret = open_input(v);
         if (ret < 0)
             return ret;
     }
diff --git a/libavformat/crypto.c b/libavformat/crypto.c
new file mode 100644
index 0000000..ea6012a
--- /dev/null
+++ b/libavformat/crypto.c
@@ -0,0 +1,170 @@
+/*
+ * Decryption protocol handler
+ * Copyright (c) 2011 Martin Storsjo
+ *
+ * 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 "avformat.h"
+#include "libavutil/aes.h"
+#include "libavutil/avstring.h"
+#include "libavutil/opt.h"
+#include "internal.h"
+#include "url.h"
+
+#define MAX_BUFFER_BLOCKS 150
+#define BLOCKSIZE 16
+
+typedef struct {
+    const AVClass *class;
+    URLContext *hd;
+    uint8_t inbuffer [BLOCKSIZE*MAX_BUFFER_BLOCKS],
+            outbuffer[BLOCKSIZE*MAX_BUFFER_BLOCKS];
+    uint8_t *outptr;
+    int indata, indata_used, outdata;
+    int eof;
+    uint8_t *key;
+    int keylen;
+    uint8_t *iv;
+    int ivlen;
+    struct AVAES *aes;
+} CryptoContext;
+
+#define OFFSET(x) offsetof(CryptoContext, x)
+static const AVOption options[] = {
+    {"key", "AES decryption key", OFFSET(key), FF_OPT_TYPE_BINARY },
+    {"iv",  "AES decryption initialization vector", OFFSET(iv),  FF_OPT_TYPE_BINARY },
+    { NULL }
+};
+
+static const AVClass crypto_class = {
+    "crypto", av_default_item_name, options, LIBAVUTIL_VERSION_INT
+};
+
+static int crypto_open(URLContext *h, const char *uri, int flags)
+{
+    const char *nested_url;
+    int ret;
+    CryptoContext *c = h->priv_data;
+
+    if (!av_strstart(uri, "crypto+", &nested_url) &&
+        !av_strstart(uri, "crypto:", &nested_url)) {
+        av_log(h, AV_LOG_ERROR, "Unsupported url %s\n", uri);
+        ret = AVERROR(EINVAL);
+        goto err;
+    }
+
+    if (c->keylen < BLOCKSIZE || c->ivlen < BLOCKSIZE) {
+        av_log(h, AV_LOG_ERROR, "Key or IV not set\n");
+        ret = AVERROR(EINVAL);
+        goto err;
+    }
+    if (flags & AVIO_FLAG_WRITE) {
+        av_log(h, AV_LOG_ERROR, "Only decryption is supported currently\n");
+        ret = AVERROR(ENOSYS);
+        goto err;
+    }
+    if ((ret = ffurl_open(&c->hd, nested_url, AVIO_FLAG_READ)) < 0) {
+        av_log(h, AV_LOG_ERROR, "Unable to open input\n");
+        goto err;
+    }
+    c->aes = av_mallocz(av_aes_size);
+    if (!c->aes) {
+        ret = AVERROR(ENOMEM);
+        goto err;
+    }
+
+    av_aes_init(c->aes, c->key, 128, 1);
+
+    h->is_streamed = 1;
+
+    return 0;
+err:
+    av_free(c->key);
+    av_free(c->iv);
+    return ret;
+}
+
+static int crypto_read(URLContext *h, uint8_t *buf, int size)
+{
+    CryptoContext *c = h->priv_data;
+    int blocks;
+retry:
+    if (c->outdata > 0) {
+        size = FFMIN(size, c->outdata);
+        memcpy(buf, c->outptr, size);
+        c->outptr  += size;
+        c->outdata -= size;
+        return size;
+    }
+    // We avoid using the last block until we've found EOF,
+    // since we'll remove PKCS7 padding at the end. So make
+    // sure we've got at least 2 blocks, so we can decrypt
+    // at least one.
+    while (c->indata - c->indata_used < 2*BLOCKSIZE) {
+        int n = ffurl_read(c->hd, c->inbuffer + c->indata,
+                           sizeof(c->inbuffer) - c->indata);
+        if (n <= 0) {
+            c->eof = 1;
+            break;
+        }
+        c->indata += n;
+    }
+    blocks = (c->indata - c->indata_used) / BLOCKSIZE;
+    if (!blocks)
+        return AVERROR_EOF;
+    if (!c->eof)
+        blocks--;
+    av_aes_crypt(c->aes, c->outbuffer, c->inbuffer + c->indata_used, blocks,
+                 c->iv, 1);
+    c->outdata      = BLOCKSIZE * blocks;
+    c->outptr       = c->outbuffer;
+    c->indata_used += BLOCKSIZE * blocks;
+    if (c->indata_used >= sizeof(c->inbuffer)/2) {
+        memmove(c->inbuffer, c->inbuffer + c->indata_used,
+                c->indata - c->indata_used);
+        c->indata     -= c->indata_used;
+        c->indata_used = 0;
+    }
+    if (c->eof) {
+        // Remove PKCS7 padding at the end
+        int padding = c->outbuffer[c->outdata - 1];
+        c->outdata -= padding;
+    }
+    goto retry;
+}
+
+static int crypto_close(URLContext *h)
+{
+    CryptoContext *c = h->priv_data;
+    if (c->hd)
+        ffurl_close(c->hd);
+    av_free(c->aes);
+    av_free(c->key);
+    av_free(c->iv);
+    return 0;
+}
+
+URLProtocol ff_crypto_protocol = {
+    .name            = "crypto",
+    .url_open        = crypto_open,
+    .url_read        = crypto_read,
+    .url_close       = crypto_close,
+    .priv_data_size  = sizeof(CryptoContext),
+    .priv_data_class = &crypto_class,
+    .flags           = URL_PROTOCOL_FLAG_NESTED_SCHEME,
+};
diff --git a/libavformat/mov.c b/libavformat/mov.c
index ee033ea..a44182a 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -588,7 +588,7 @@ static int mov_read_moov(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 static int mov_read_moof(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 {
     c->fragment.moof_offset = avio_tell(pb) - 8;
-    av_dlog(c->fc, "moof offset %llx\n", c->fragment.moof_offset);
+    av_dlog(c->fc, "moof offset %"PRIx64"\n", c->fragment.moof_offset);
     return mov_read_default(c, pb, atom);
 }
 
@@ -2367,7 +2367,7 @@ static int mov_read_header(AVFormatContext *s, AVFormatParameters *ap)
         av_log(s, AV_LOG_ERROR, "moov atom not found\n");
         return -1;
     }
-    av_dlog(mov->fc, "on_parse_exit_offset=%lld\n", avio_tell(pb));
+    av_dlog(mov->fc, "on_parse_exit_offset=%"PRId64"\n", avio_tell(pb));
 
     if (pb->seekable && mov->chapter_track > 0)
         mov_read_chapters(s);
@@ -2416,7 +2416,7 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
             mov_read_default(mov, s->pb, (MOVAtom){ AV_RL32("root"), INT64_MAX }) < 0 ||
             url_feof(s->pb))
             return AVERROR_EOF;
-        av_dlog(s, "read fragments, offset 0x%llx\n", avio_tell(s->pb));
+        av_dlog(s, "read fragments, offset 0x%"PRIx64"\n", avio_tell(s->pb));
         goto retry;
     }
     sc = st->priv_data;
diff --git a/libavformat/os_support.c b/libavformat/os_support.c
index 0b7b59e..8afa628 100644
--- a/libavformat/os_support.c
+++ b/libavformat/os_support.c
@@ -28,6 +28,34 @@
 #include "avformat.h"
 #include "os_support.h"
 
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+#include <windows.h>
+
+#undef open
+int ff_win32_open(const char *filename_utf8, int oflag, int pmode)
+{
+    int fd;
+    int num_chars;
+    wchar_t *filename_w;
+
+    /* convert UTF-8 to wide chars */
+    num_chars = MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, NULL, 0);
+    if (num_chars <= 0)
+        return -1;
+    filename_w = av_mallocz(sizeof(wchar_t) * num_chars);
+    MultiByteToWideChar(CP_UTF8, 0, filename_utf8, -1, filename_w, num_chars);
+
+    fd = _wopen(filename_w, oflag, pmode);
+    av_freep(&filename_w);
+
+    /* filename maybe be in CP_ACP */
+    if (fd == -1 && !(oflag & O_CREAT))
+        return open(filename_utf8, oflag, pmode);
+
+    return fd;
+}
+#endif
+
 #if CONFIG_NETWORK
 #include <fcntl.h>
 #include <unistd.h>
diff --git a/libavformat/os_support.h b/libavformat/os_support.h
index df32151..f770528 100644
--- a/libavformat/os_support.h
+++ b/libavformat/os_support.h
@@ -45,6 +45,11 @@ static inline int is_dos_path(const char *path)
     return 0;
 }
 
+#if defined(_WIN32) && !defined(__MINGW32CE__)
+int ff_win32_open(const char *filename, int oflag, int pmode);
+#define open ff_win32_open
+#endif
+
 #if CONFIG_NETWORK
 #if !HAVE_SOCKLEN_T
 typedef int socklen_t;
diff --git a/libavformat/rdt.c b/libavformat/rdt.c
index d6a96de..5c35b74 100644
--- a/libavformat/rdt.c
+++ b/libavformat/rdt.c
@@ -551,8 +551,8 @@ static RTPDynamicProtocolHandler ff_rdt_ ## n ## _handler = { \
     .codec_type       = t, \
     .codec_id         = CODEC_ID_NONE, \
     .parse_sdp_a_line = rdt_parse_sdp_line, \
-    .open             = rdt_new_context, \
-    .close            = rdt_free_context, \
+    .alloc            = rdt_new_context, \
+    .free             = rdt_free_context, \
     .parse_packet     = rdt_parse_packet \
 }
 
diff --git a/libavformat/rtpdec.h b/libavformat/rtpdec.h
index 8148a7d..2801101 100644
--- a/libavformat/rtpdec.h
+++ b/libavformat/rtpdec.h
@@ -126,8 +126,8 @@ struct RTPDynamicProtocolHandler_s {
                              int st_index,
                              PayloadContext *priv_data,
                              const char *line); ///< Parse the a= line from the sdp field
-    PayloadContext *(*open) (void); ///< allocate any data needed by the rtp parsing for this dynamic data.
-    void (*close)(PayloadContext *protocol_data); ///< free any data needed by the rtp parsing for this dynamic data.
+    PayloadContext *(*alloc) (void); ///< allocate any data needed by the rtp parsing for this dynamic data.
+    void (*free)(PayloadContext *protocol_data); ///< free any data needed by the rtp parsing for this dynamic data.
     DynamicPayloadPacketHandlerProc parse_packet; ///< parse handler for this dynamic packet.
 
     struct RTPDynamicProtocolHandler_s *next;
diff --git a/libavformat/rtpdec_amr.c b/libavformat/rtpdec_amr.c
index 016d216..fbf4321 100644
--- a/libavformat/rtpdec_amr.c
+++ b/libavformat/rtpdec_amr.c
@@ -191,8 +191,8 @@ RTPDynamicProtocolHandler ff_amr_nb_dynamic_handler = {
     .codec_type       = AVMEDIA_TYPE_AUDIO,
     .codec_id         = CODEC_ID_AMR_NB,
     .parse_sdp_a_line = amr_parse_sdp_line,
-    .open             = amr_new_context,
-    .close            = amr_free_context,
+    .alloc            = amr_new_context,
+    .free             = amr_free_context,
     .parse_packet     = amr_handle_packet,
 };
 
@@ -201,8 +201,8 @@ RTPDynamicProtocolHandler ff_amr_wb_dynamic_handler = {
     .codec_type       = AVMEDIA_TYPE_AUDIO,
     .codec_id         = CODEC_ID_AMR_WB,
     .parse_sdp_a_line = amr_parse_sdp_line,
-    .open             = amr_new_context,
-    .close            = amr_free_context,
+    .alloc            = amr_new_context,
+    .free             = amr_free_context,
     .parse_packet     = amr_handle_packet,
 };
 
diff --git a/libavformat/rtpdec_asf.c b/libavformat/rtpdec_asf.c
index 61bf87d..b2ac2b7 100644
--- a/libavformat/rtpdec_asf.c
+++ b/libavformat/rtpdec_asf.c
@@ -286,8 +286,8 @@ RTPDynamicProtocolHandler ff_ms_rtp_ ## n ## _handler = { \
     .codec_type       = t, \
     .codec_id         = CODEC_ID_NONE, \
     .parse_sdp_a_line = asfrtp_parse_sdp_line, \
-    .open             = asfrtp_new_context, \
-    .close            = asfrtp_free_context, \
+    .alloc            = asfrtp_new_context, \
+    .free             = asfrtp_free_context, \
     .parse_packet     = asfrtp_parse_packet,   \
 }
 
diff --git a/libavformat/rtpdec_h264.c b/libavformat/rtpdec_h264.c
index 75db14c..730ed14 100644
--- a/libavformat/rtpdec_h264.c
+++ b/libavformat/rtpdec_h264.c
@@ -398,7 +398,7 @@ RTPDynamicProtocolHandler ff_h264_dynamic_handler = {
     .codec_type       = AVMEDIA_TYPE_VIDEO,
     .codec_id         = CODEC_ID_H264,
     .parse_sdp_a_line = parse_h264_sdp_line,
-    .open             = h264_new_context,
-    .close            = h264_free_context,
+    .alloc            = h264_new_context,
+    .free             = h264_free_context,
     .parse_packet     = h264_handle_packet
 };
diff --git a/libavformat/rtpdec_latm.c b/libavformat/rtpdec_latm.c
index 6ff9fd9..2b366a0 100644
--- a/libavformat/rtpdec_latm.c
+++ b/libavformat/rtpdec_latm.c
@@ -181,7 +181,7 @@ RTPDynamicProtocolHandler ff_mp4a_latm_dynamic_handler = {
     .codec_type         = AVMEDIA_TYPE_AUDIO,
     .codec_id           = CODEC_ID_AAC,
     .parse_sdp_a_line   = latm_parse_sdp_line,
-    .open               = latm_new_context,
-    .close              = latm_free_context,
+    .alloc              = latm_new_context,
+    .free               = latm_free_context,
     .parse_packet       = latm_parse_packet
 };
diff --git a/libavformat/rtpdec_mpeg4.c b/libavformat/rtpdec_mpeg4.c
index 5498d1c..07f07ae 100644
--- a/libavformat/rtpdec_mpeg4.c
+++ b/libavformat/rtpdec_mpeg4.c
@@ -235,8 +235,8 @@ RTPDynamicProtocolHandler ff_mp4v_es_dynamic_handler = {
     .codec_type         = AVMEDIA_TYPE_VIDEO,
     .codec_id           = CODEC_ID_MPEG4,
     .parse_sdp_a_line   = parse_sdp_line,
-    .open               = NULL,
-    .close              = NULL,
+    .alloc              = NULL,
+    .free               = NULL,
     .parse_packet       = NULL
 };
 
@@ -245,7 +245,7 @@ RTPDynamicProtocolHandler ff_mpeg4_generic_dynamic_handler = {
     .codec_type         = AVMEDIA_TYPE_AUDIO,
     .codec_id           = CODEC_ID_AAC,
     .parse_sdp_a_line   = parse_sdp_line,
-    .open               = new_context,
-    .close              = free_context,
+    .alloc              = new_context,
+    .free               = free_context,
     .parse_packet       = aac_parse_packet
 };
diff --git a/libavformat/rtpdec_qcelp.c b/libavformat/rtpdec_qcelp.c
index ceae504..5eb6770 100644
--- a/libavformat/rtpdec_qcelp.c
+++ b/libavformat/rtpdec_qcelp.c
@@ -223,7 +223,7 @@ RTPDynamicProtocolHandler ff_qcelp_dynamic_handler = {
     .codec_type         = AVMEDIA_TYPE_AUDIO,
     .codec_id           = CODEC_ID_QCELP,
     .static_payload_id  = 12,
-    .open               = qcelp_new_context,
-    .close              = qcelp_free_context,
+    .alloc              = qcelp_new_context,
+    .free               = qcelp_free_context,
     .parse_packet       = qcelp_parse_packet
 };
diff --git a/libavformat/rtpdec_qdm2.c b/libavformat/rtpdec_qdm2.c
index aa94b1f..1c1d321 100644
--- a/libavformat/rtpdec_qdm2.c
+++ b/libavformat/rtpdec_qdm2.c
@@ -309,7 +309,7 @@ RTPDynamicProtocolHandler ff_qdm2_dynamic_handler = {
     .enc_name         = "X-QDM",
     .codec_type       = AVMEDIA_TYPE_AUDIO,
     .codec_id         = CODEC_ID_NONE,
-    .open             = qdm2_extradata_new,
-    .close            = qdm2_extradata_free,
+    .alloc            = qdm2_extradata_new,
+    .free             = qdm2_extradata_free,
     .parse_packet     = qdm2_parse_packet,
 };
diff --git a/libavformat/rtpdec_qt.c b/libavformat/rtpdec_qt.c
index 7df11b3..fd63aa7 100644
--- a/libavformat/rtpdec_qt.c
+++ b/libavformat/rtpdec_qt.c
@@ -244,8 +244,8 @@ RTPDynamicProtocolHandler ff_ ## m ## _rtp_ ## n ## _handler = { \
     .enc_name         = s, \
     .codec_type       = t, \
     .codec_id         = CODEC_ID_NONE, \
-    .open             = qt_rtp_new,    \
-    .close            = qt_rtp_free,   \
+    .alloc            = qt_rtp_new,    \
+    .free             = qt_rtp_free,   \
     .parse_packet     = qt_rtp_parse_packet, \
 }
 
diff --git a/libavformat/rtpdec_svq3.c b/libavformat/rtpdec_svq3.c
index b3559ae..cb5f74d 100644
--- a/libavformat/rtpdec_svq3.c
+++ b/libavformat/rtpdec_svq3.c
@@ -128,7 +128,7 @@ RTPDynamicProtocolHandler ff_svq3_dynamic_handler = {
     .enc_name         = "X-SV3V-ES",
     .codec_type       = AVMEDIA_TYPE_VIDEO,
     .codec_id         = CODEC_ID_NONE,      // see if (config_packet) above
-    .open             = svq3_extradata_new,
-    .close            = svq3_extradata_free,
+    .alloc            = svq3_extradata_new,
+    .free             = svq3_extradata_free,
     .parse_packet     = svq3_parse_packet,
 };
diff --git a/libavformat/rtpdec_vp8.c b/libavformat/rtpdec_vp8.c
index e657ca2..862a55e 100644
--- a/libavformat/rtpdec_vp8.c
+++ b/libavformat/rtpdec_vp8.c
@@ -148,7 +148,7 @@ RTPDynamicProtocolHandler ff_vp8_dynamic_handler = {
     .enc_name       = "VP8",
     .codec_type     = AVMEDIA_TYPE_VIDEO,
     .codec_id       = CODEC_ID_VP8,
-    .open           = vp8_new_context,
-    .close          = vp8_free_context,
+    .alloc          = vp8_new_context,
+    .free           = vp8_free_context,
     .parse_packet   = vp8_handle_packet,
 };
diff --git a/libavformat/rtpdec_xiph.c b/libavformat/rtpdec_xiph.c
index 5a9abdb..6aeea2f 100644
--- a/libavformat/rtpdec_xiph.c
+++ b/libavformat/rtpdec_xiph.c
@@ -389,8 +389,8 @@ RTPDynamicProtocolHandler ff_theora_dynamic_handler = {
     .codec_type       = AVMEDIA_TYPE_VIDEO,
     .codec_id         = CODEC_ID_THEORA,
     .parse_sdp_a_line = xiph_parse_sdp_line,
-    .open             = xiph_new_context,
-    .close            = xiph_free_context,
+    .alloc            = xiph_new_context,
+    .free             = xiph_free_context,
     .parse_packet     = xiph_handle_packet
 };
 
@@ -399,7 +399,7 @@ RTPDynamicProtocolHandler ff_vorbis_dynamic_handler = {
     .codec_type       = AVMEDIA_TYPE_AUDIO,
     .codec_id         = CODEC_ID_VORBIS,
     .parse_sdp_a_line = xiph_parse_sdp_line,
-    .open             = xiph_new_context,
-    .close            = xiph_free_context,
+    .alloc            = xiph_new_context,
+    .free             = xiph_free_context,
     .parse_packet     = xiph_handle_packet
 };
diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 7ea5594..b6ed0c6 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -132,8 +132,8 @@ static void init_rtp_handler(RTPDynamicProtocolHandler *handler,
         return;
     codec->codec_id          = handler->codec_id;
     rtsp_st->dynamic_handler = handler;
-    if (handler->open)
-        rtsp_st->dynamic_protocol_context = handler->open();
+    if (handler->alloc)
+        rtsp_st->dynamic_protocol_context = handler->alloc();
 }
 
 /* parse the rtpmap description: <codec_name>/<clock_rate>[/<other params>] */
@@ -526,7 +526,7 @@ void ff_rtsp_close_streams(AVFormatContext *s)
         rtsp_st = rt->rtsp_streams[i];
         if (rtsp_st) {
             if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context)
-                rtsp_st->dynamic_handler->close(
+                rtsp_st->dynamic_handler->free(
                     rtsp_st->dynamic_protocol_context);
             av_free(rtsp_st);
         }
diff --git a/libavformat/version.h b/libavformat/version.h
index 7102dfd..80c579f 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -25,7 +25,7 @@
 
 #define LIBAVFORMAT_VERSION_MAJOR 53
 #define LIBAVFORMAT_VERSION_MINOR  0
-#define LIBAVFORMAT_VERSION_MICRO  1
+#define LIBAVFORMAT_VERSION_MICRO  3
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \