diff options
Diffstat (limited to 'avconv_opt.c')
-rw-r--r-- | avconv_opt.c | 2431 |
1 files changed, 0 insertions, 2431 deletions
diff --git a/avconv_opt.c b/avconv_opt.c deleted file mode 100644 index 1625429..0000000 --- a/avconv_opt.c +++ /dev/null @@ -1,2431 +0,0 @@ -/* - * avconv option parsing - * - * 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 "avconv.h" -#include "cmdutils.h" - -#include "libavformat/avformat.h" - -#include "libavcodec/avcodec.h" - -#include "libavfilter/avfilter.h" - -#include "libavutil/avassert.h" -#include "libavutil/avstring.h" -#include "libavutil/avutil.h" -#include "libavutil/channel_layout.h" -#include "libavutil/intreadwrite.h" -#include "libavutil/fifo.h" -#include "libavutil/mathematics.h" -#include "libavutil/opt.h" -#include "libavutil/parseutils.h" -#include "libavutil/pixdesc.h" -#include "libavutil/pixfmt.h" - -#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\ -{\ - int i, ret;\ - for (i = 0; i < o->nb_ ## name; i++) {\ - char *spec = o->name[i].specifier;\ - if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\ - outvar = o->name[i].u.type;\ - else if (ret < 0)\ - exit_program(1);\ - }\ -} - -const HWAccel hwaccels[] = { -#if HAVE_VDPAU_X11 - { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU }, -#endif -#if HAVE_DXVA2_LIB - { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD }, -#endif -#if CONFIG_VDA - { "vda", vda_init, HWACCEL_VDA, AV_PIX_FMT_VDA }, -#endif - { 0 }, -}; - -char *vstats_filename; - -float audio_drift_threshold = 0.1; -float dts_delta_threshold = 10; - -int audio_volume = 256; -int audio_sync_method = 0; -int video_sync_method = VSYNC_AUTO; -int do_benchmark = 0; -int do_hex_dump = 0; -int do_pkt_dump = 0; -int copy_ts = 0; -int copy_tb = 1; -int exit_on_error = 0; -int print_stats = 1; -int qp_hist = 0; - -static int file_overwrite = 0; -static int file_skip = 0; -static int video_discard = 0; -static int intra_dc_precision = 8; -static int using_stdin = 0; -static int input_sync; - -static void uninit_options(OptionsContext *o) -{ - const OptionDef *po = options; - int i; - - /* all OPT_SPEC and OPT_STRING can be freed in generic way */ - while (po->name) { - void *dst = (uint8_t*)o + po->u.off; - - if (po->flags & OPT_SPEC) { - SpecifierOpt **so = dst; - int i, *count = (int*)(so + 1); - for (i = 0; i < *count; i++) { - av_freep(&(*so)[i].specifier); - if (po->flags & OPT_STRING) - av_freep(&(*so)[i].u.str); - } - av_freep(so); - *count = 0; - } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING) - av_freep(dst); - po++; - } - - for (i = 0; i < o->nb_stream_maps; i++) - av_freep(&o->stream_maps[i].linklabel); - av_freep(&o->stream_maps); - av_freep(&o->meta_data_maps); - av_freep(&o->streamid_map); -} - -static void init_options(OptionsContext *o) -{ - memset(o, 0, sizeof(*o)); - - o->mux_max_delay = 0.7; - o->start_time = AV_NOPTS_VALUE; - o->recording_time = INT64_MAX; - o->limit_filesize = UINT64_MAX; - o->chapters_input_file = INT_MAX; - o->accurate_seek = 1; -} - -/* return a copy of the input with the stream specifiers removed from the keys */ -static AVDictionary *strip_specifiers(AVDictionary *dict) -{ - AVDictionaryEntry *e = NULL; - AVDictionary *ret = NULL; - - while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) { - char *p = strchr(e->key, ':'); - - if (p) - *p = 0; - av_dict_set(&ret, e->key, e->value, 0); - if (p) - *p = ':'; - } - return ret; -} - -static double parse_frame_aspect_ratio(const char *arg) -{ - int x = 0, y = 0; - double ar = 0; - const char *p; - char *end; - - p = strchr(arg, ':'); - if (p) { - x = strtol(arg, &end, 10); - if (end == p) - y = strtol(end + 1, &end, 10); - if (x > 0 && y > 0) - ar = (double)x / (double)y; - } else - ar = strtod(arg, NULL); - - if (!ar) { - av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n"); - exit_program(1); - } - return ar; -} - -static int opt_audio_codec(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "codec:a", arg, options); -} - -static int opt_video_codec(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "codec:v", arg, options); -} - -static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "codec:s", arg, options); -} - -static int opt_data_codec(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "codec:d", arg, options); -} - -static int opt_map(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - StreamMap *m = NULL; - int i, negative = 0, file_idx; - int sync_file_idx = -1, sync_stream_idx; - char *p, *sync; - char *map; - - if (*arg == '-') { - negative = 1; - arg++; - } - map = av_strdup(arg); - if (!map) - return AVERROR(ENOMEM); - - /* parse sync stream first, just pick first matching stream */ - if (sync = strchr(map, ',')) { - *sync = 0; - sync_file_idx = strtol(sync + 1, &sync, 0); - if (sync_file_idx >= nb_input_files || sync_file_idx < 0) { - av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx); - exit_program(1); - } - if (*sync) - sync++; - for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++) - if (check_stream_specifier(input_files[sync_file_idx]->ctx, - input_files[sync_file_idx]->ctx->streams[i], sync) == 1) { - sync_stream_idx = i; - break; - } - if (i == input_files[sync_file_idx]->nb_streams) { - av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not " - "match any streams.\n", arg); - exit_program(1); - } - } - - - if (map[0] == '[') { - /* this mapping refers to lavfi output */ - const char *c = map + 1; - GROW_ARRAY(o->stream_maps, o->nb_stream_maps); - m = &o->stream_maps[o->nb_stream_maps - 1]; - m->linklabel = av_get_token(&c, "]"); - if (!m->linklabel) { - av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map); - exit_program(1); - } - } else { - file_idx = strtol(map, &p, 0); - if (file_idx >= nb_input_files || file_idx < 0) { - av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx); - exit_program(1); - } - if (negative) - /* disable some already defined maps */ - for (i = 0; i < o->nb_stream_maps; i++) { - m = &o->stream_maps[i]; - if (file_idx == m->file_index && - check_stream_specifier(input_files[m->file_index]->ctx, - input_files[m->file_index]->ctx->streams[m->stream_index], - *p == ':' ? p + 1 : p) > 0) - m->disabled = 1; - } - else - for (i = 0; i < input_files[file_idx]->nb_streams; i++) { - if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i], - *p == ':' ? p + 1 : p) <= 0) - continue; - GROW_ARRAY(o->stream_maps, o->nb_stream_maps); - m = &o->stream_maps[o->nb_stream_maps - 1]; - - m->file_index = file_idx; - m->stream_index = i; - - if (sync_file_idx >= 0) { - m->sync_file_index = sync_file_idx; - m->sync_stream_index = sync_stream_idx; - } else { - m->sync_file_index = file_idx; - m->sync_stream_index = i; - } - } - } - - if (!m) { - av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg); - exit_program(1); - } - - av_freep(&map); - return 0; -} - -static int opt_attach(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - GROW_ARRAY(o->attachments, o->nb_attachments); - o->attachments[o->nb_attachments - 1] = arg; - return 0; -} - -/** - * Parse a metadata specifier passed as 'arg' parameter. - * @param arg metadata string to parse - * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram) - * @param index for type c/p, chapter/program index is written here - * @param stream_spec for type s, the stream specifier is written here - */ -static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec) -{ - if (*arg) { - *type = *arg; - switch (*arg) { - case 'g': - break; - case 's': - if (*(++arg) && *arg != ':') { - av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg); - exit_program(1); - } - *stream_spec = *arg == ':' ? arg + 1 : ""; - break; - case 'c': - case 'p': - if (*(++arg) == ':') - *index = strtol(++arg, NULL, 0); - break; - default: - av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg); - exit_program(1); - } - } else - *type = 'g'; -} - -static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o) -{ - AVDictionary **meta_in = NULL; - AVDictionary **meta_out; - int i, ret = 0; - char type_in, type_out; - const char *istream_spec = NULL, *ostream_spec = NULL; - int idx_in = 0, idx_out = 0; - - parse_meta_type(inspec, &type_in, &idx_in, &istream_spec); - parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec); - - if (type_in == 'g' || type_out == 'g') - o->metadata_global_manual = 1; - if (type_in == 's' || type_out == 's') - o->metadata_streams_manual = 1; - if (type_in == 'c' || type_out == 'c') - o->metadata_chapters_manual = 1; - - /* ic is NULL when just disabling automatic mappings */ - if (!ic) - return 0; - -#define METADATA_CHECK_INDEX(index, nb_elems, desc)\ - if ((index) < 0 || (index) >= (nb_elems)) {\ - av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\ - (desc), (index));\ - exit_program(1);\ - } - -#define SET_DICT(type, meta, context, index)\ - switch (type) {\ - case 'g':\ - meta = &context->metadata;\ - break;\ - case 'c':\ - METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\ - meta = &context->chapters[index]->metadata;\ - break;\ - case 'p':\ - METADATA_CHECK_INDEX(index, context->nb_programs, "program")\ - meta = &context->programs[index]->metadata;\ - break;\ - case 's':\ - break; /* handled separately below */ \ - default: av_assert0(0);\ - }\ - - SET_DICT(type_in, meta_in, ic, idx_in); - SET_DICT(type_out, meta_out, oc, idx_out); - - /* for input streams choose first matching stream */ - if (type_in == 's') { - for (i = 0; i < ic->nb_streams; i++) { - if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) { - meta_in = &ic->streams[i]->metadata; - break; - } else if (ret < 0) - exit_program(1); - } - if (!meta_in) { - av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec); - exit_program(1); - } - } - - if (type_out == 's') { - for (i = 0; i < oc->nb_streams; i++) { - if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) { - meta_out = &oc->streams[i]->metadata; - av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); - } else if (ret < 0) - exit_program(1); - } - } else - av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); - - return 0; -} - -static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder) -{ - const AVCodecDescriptor *desc; - const char *codec_string = encoder ? "encoder" : "decoder"; - AVCodec *codec; - - codec = encoder ? - avcodec_find_encoder_by_name(name) : - avcodec_find_decoder_by_name(name); - - if (!codec && (desc = avcodec_descriptor_get_by_name(name))) { - codec = encoder ? avcodec_find_encoder(desc->id) : - avcodec_find_decoder(desc->id); - if (codec) - av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n", - codec_string, codec->name, desc->name); - } - - if (!codec) { - av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name); - exit_program(1); - } - if (codec->type != type) { - av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); - exit_program(1); - } - return codec; -} - -static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st) -{ - char *codec_name = NULL; - - MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st); - if (codec_name) { - AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0); - st->codec->codec_id = codec->id; - return codec; - } else - return avcodec_find_decoder(st->codec->codec_id); -} - -/* Add all the streams from the given input file to the global - * list of input streams. */ -static void add_input_streams(OptionsContext *o, AVFormatContext *ic) -{ - int i, ret; - - for (i = 0; i < ic->nb_streams; i++) { - AVStream *st = ic->streams[i]; - AVCodecContext *dec = st->codec; - InputStream *ist = av_mallocz(sizeof(*ist)); - char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL; - char *codec_tag = NULL; - char *next; - - if (!ist) - exit_program(1); - - GROW_ARRAY(input_streams, nb_input_streams); - input_streams[nb_input_streams - 1] = ist; - - ist->st = st; - ist->file_index = nb_input_files; - ist->discard = 1; - st->discard = AVDISCARD_ALL; - - ist->ts_scale = 1.0; - MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st); - - MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st); - if (codec_tag) { - uint32_t tag = strtol(codec_tag, &next, 0); - if (*next) - tag = AV_RL32(codec_tag); - st->codec->codec_tag = tag; - } - - ist->dec = choose_decoder(o, ic, st); - ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec); - - ist->dec_ctx = avcodec_alloc_context3(ist->dec); - if (!ist->dec_ctx) { - av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n"); - exit_program(1); - } - - ret = avcodec_copy_context(ist->dec_ctx, dec); - if (ret < 0) { - av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n"); - exit_program(1); - } - - switch (dec->codec_type) { - case AVMEDIA_TYPE_VIDEO: - ist->resample_height = ist->dec_ctx->height; - ist->resample_width = ist->dec_ctx->width; - ist->resample_pix_fmt = ist->dec_ctx->pix_fmt; - - MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st); - if (framerate && av_parse_video_rate(&ist->framerate, - framerate) < 0) { - av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n", - framerate); - exit_program(1); - } - - MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st); - if (hwaccel) { - if (!strcmp(hwaccel, "none")) - ist->hwaccel_id = HWACCEL_NONE; - else if (!strcmp(hwaccel, "auto")) - ist->hwaccel_id = HWACCEL_AUTO; - else { - int i; - for (i = 0; hwaccels[i].name; i++) { - if (!strcmp(hwaccels[i].name, hwaccel)) { - ist->hwaccel_id = hwaccels[i].id; - break; - } - } - - if (!ist->hwaccel_id) { - av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n", - hwaccel); - av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: "); - for (i = 0; hwaccels[i].name; i++) - av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name); - av_log(NULL, AV_LOG_FATAL, "\n"); - exit_program(1); - } - } - } - - MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st); - if (hwaccel_device) { - ist->hwaccel_device = av_strdup(hwaccel_device); - if (!ist->hwaccel_device) - exit_program(1); - } - ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE; - - break; - case AVMEDIA_TYPE_AUDIO: - guess_input_channel_layout(ist); - - ist->resample_sample_fmt = ist->dec_ctx->sample_fmt; - ist->resample_sample_rate = ist->dec_ctx->sample_rate; - ist->resample_channels = ist->dec_ctx->channels; - ist->resample_channel_layout = ist->dec_ctx->channel_layout; - - break; - case AVMEDIA_TYPE_DATA: - case AVMEDIA_TYPE_SUBTITLE: - case AVMEDIA_TYPE_ATTACHMENT: - case AVMEDIA_TYPE_UNKNOWN: - break; - default: - abort(); - } - } -} - -static void assert_file_overwrite(const char *filename) -{ - if (file_overwrite && file_skip) { - fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n"); - exit_program(1); - } - - if (!file_overwrite && - (!strchr(filename, ':') || filename[1] == ':' || - av_strstart(filename, "file:", NULL))) { - if (avio_check(filename, 0) == 0) { - if (!using_stdin && !file_skip) { - fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); - fflush(stderr); - if (!read_yesno()) { - fprintf(stderr, "Not overwriting - exiting\n"); - exit_program(1); - } - } - else { - fprintf(stderr,"File '%s' already exists. Exiting.\n", filename); - exit_program(1); - } - } - } -} - -static void dump_attachment(AVStream *st, const char *filename) -{ - int ret; - AVIOContext *out = NULL; - AVDictionaryEntry *e; - - if (!st->codec->extradata_size) { - av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n", - nb_input_files - 1, st->index); - return; - } - if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0))) - filename = e->value; - if (!*filename) { - av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag" - "in stream #%d:%d.\n", nb_input_files - 1, st->index); - exit_program(1); - } - - assert_file_overwrite(filename); - - if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) { - av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n", - filename); - exit_program(1); - } - - avio_write(out, st->codec->extradata, st->codec->extradata_size); - avio_flush(out); - avio_close(out); -} - -static int open_input_file(OptionsContext *o, const char *filename) -{ - InputFile *f; - AVFormatContext *ic; - AVInputFormat *file_iformat = NULL; - int err, i, ret; - int64_t timestamp; - uint8_t buf[128]; - AVDictionary **opts; - AVDictionary *unused_opts = NULL; - AVDictionaryEntry *e = NULL; - int orig_nb_streams; // number of streams before avformat_find_stream_info - - if (o->format) { - if (!(file_iformat = av_find_input_format(o->format))) { - av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format); - exit_program(1); - } - } - - if (!strcmp(filename, "-")) - filename = "pipe:"; - - using_stdin |= !strncmp(filename, "pipe:", 5) || - !strcmp(filename, "/dev/stdin"); - - /* get default parameters from command line */ - ic = avformat_alloc_context(); - if (!ic) { - print_error(filename, AVERROR(ENOMEM)); - exit_program(1); - } - if (o->nb_audio_sample_rate) { - snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i); - av_dict_set(&o->g->format_opts, "sample_rate", buf, 0); - } - if (o->nb_audio_channels) { - /* because we set audio_channels based on both the "ac" and - * "channel_layout" options, we need to check that the specified - * demuxer actually has the "channels" option before setting it */ - if (file_iformat && file_iformat->priv_class && - av_opt_find(&file_iformat->priv_class, "channels", NULL, 0, - AV_OPT_SEARCH_FAKE_OBJ)) { - snprintf(buf, sizeof(buf), "%d", - o->audio_channels[o->nb_audio_channels - 1].u.i); - av_dict_set(&o->g->format_opts, "channels", buf, 0); - } - } - if (o->nb_frame_rates) { - /* set the format-level framerate option; - * this is important for video grabbers, e.g. x11 */ - if (file_iformat && file_iformat->priv_class && - av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0, - AV_OPT_SEARCH_FAKE_OBJ)) { - av_dict_set(&o->g->format_opts, "framerate", - o->frame_rates[o->nb_frame_rates - 1].u.str, 0); - } - } - if (o->nb_frame_sizes) { - av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0); - } - if (o->nb_frame_pix_fmts) - av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0); - - ic->flags |= AVFMT_FLAG_NONBLOCK; - ic->interrupt_callback = int_cb; - - /* open the input file with generic libav function */ - err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts); - if (err < 0) { - print_error(filename, err); - exit_program(1); - } - assert_avoptions(o->g->format_opts); - - /* apply forced codec ids */ - for (i = 0; i < ic->nb_streams; i++) - choose_decoder(o, ic, ic->streams[i]); - - /* Set AVCodecContext options for avformat_find_stream_info */ - opts = setup_find_stream_info_opts(ic, o->g->codec_opts); - orig_nb_streams = ic->nb_streams; - - /* If not enough info to get the stream parameters, we decode the - first frames to get it. (used in mpeg case for example) */ - ret = avformat_find_stream_info(ic, opts); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename); - avformat_close_input(&ic); - exit_program(1); - } - - timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time; - /* add the stream start time */ - if (ic->start_time != AV_NOPTS_VALUE) - timestamp += ic->start_time; - - /* if seeking requested, we execute it */ - if (o->start_time != AV_NOPTS_VALUE) { - ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD); - if (ret < 0) { - av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n", - filename, (double)timestamp / AV_TIME_BASE); - } - } - - /* update the current parameters so that they match the one of the input stream */ - add_input_streams(o, ic); - - /* dump the file content */ - av_dump_format(ic, nb_input_files, filename, 0); - - GROW_ARRAY(input_files, nb_input_files); - f = av_mallocz(sizeof(*f)); - if (!f) - exit_program(1); - input_files[nb_input_files - 1] = f; - - f->ctx = ic; - f->ist_index = nb_input_streams - ic->nb_streams; - f->start_time = o->start_time; - f->recording_time = o->recording_time; - f->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp); - f->nb_streams = ic->nb_streams; - f->rate_emu = o->rate_emu; - f->accurate_seek = o->accurate_seek; - - /* check if all codec options have been used */ - unused_opts = strip_specifiers(o->g->codec_opts); - for (i = f->ist_index; i < nb_input_streams; i++) { - e = NULL; - while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e, - AV_DICT_IGNORE_SUFFIX))) - av_dict_set(&unused_opts, e->key, NULL, 0); - } - - e = NULL; - while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) { - const AVClass *class = avcodec_get_class(); - const AVOption *option = av_opt_find(&class, e->key, NULL, 0, - AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); - if (!option) - continue; - if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) { - av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for " - "input file #%d (%s) is not a decoding option.\n", e->key, - option->help ? option->help : "", nb_input_files - 1, - filename); - exit_program(1); - } - - av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for " - "input file #%d (%s) has not been used for any stream. The most " - "likely reason is either wrong type (e.g. a video option with " - "no video streams) or that it is a private option of some decoder " - "which was not actually used for any stream.\n", e->key, - option->help ? option->help : "", nb_input_files - 1, filename); - } - av_dict_free(&unused_opts); - - for (i = 0; i < o->nb_dump_attachment; i++) { - int j; - - for (j = 0; j < ic->nb_streams; j++) { - AVStream *st = ic->streams[j]; - - if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1) - dump_attachment(st, o->dump_attachment[i].u.str); - } - } - - for (i = 0; i < orig_nb_streams; i++) - av_dict_free(&opts[i]); - av_freep(&opts); - - return 0; -} - -static uint8_t *get_line(AVIOContext *s) -{ - AVIOContext *line; - uint8_t *buf; - char c; - - if (avio_open_dyn_buf(&line) < 0) { - av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n"); - exit_program(1); - } - - while ((c = avio_r8(s)) && c != '\n') - avio_w8(line, c); - avio_w8(line, 0); - avio_close_dyn_buf(line, &buf); - - return buf; -} - -static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s) -{ - int i, ret = -1; - char filename[1000]; - const char *base[3] = { getenv("AVCONV_DATADIR"), - getenv("HOME"), - AVCONV_DATADIR, - }; - - for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) { - if (!base[i]) - continue; - if (codec_name) { - snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i], - i != 1 ? "" : "/.avconv", codec_name, preset_name); - ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); - } - if (ret < 0) { - snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i], - i != 1 ? "" : "/.avconv", preset_name); - ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); - } - } - return ret; -} - -static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost) -{ - char *codec_name = NULL; - - MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st); - if (!codec_name) { - ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, - NULL, ost->st->codec->codec_type); - ost->enc = avcodec_find_encoder(ost->st->codec->codec_id); - } else if (!strcmp(codec_name, "copy")) - ost->stream_copy = 1; - else { - ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1); - ost->st->codec->codec_id = ost->enc->id; - } -} - -static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type) -{ - OutputStream *ost; - AVStream *st = avformat_new_stream(oc, NULL); - int idx = oc->nb_streams - 1, ret = 0; - char *bsf = NULL, *next, *codec_tag = NULL; - AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL; - double qscale = -1; - - if (!st) { - av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n"); - exit_program(1); - } - - if (oc->nb_streams - 1 < o->nb_streamid_map) - st->id = o->streamid_map[oc->nb_streams - 1]; - - GROW_ARRAY(output_streams, nb_output_streams); - if (!(ost = av_mallocz(sizeof(*ost)))) - exit_program(1); - output_streams[nb_output_streams - 1] = ost; - - ost->file_index = nb_output_files - 1; - ost->index = idx; - ost->st = st; - st->codec->codec_type = type; - choose_encoder(o, oc, ost); - - ost->enc_ctx = avcodec_alloc_context3(ost->enc); - if (!ost->enc_ctx) { - av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n"); - exit_program(1); - } - ost->enc_ctx->codec_type = type; - - if (ost->enc) { - AVIOContext *s = NULL; - char *buf = NULL, *arg = NULL, *preset = NULL; - - ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc); - - MATCH_PER_STREAM_OPT(presets, str, preset, oc, st); - if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) { - do { - buf = get_line(s); - if (!buf[0] || buf[0] == '#') { - av_free(buf); - continue; - } - if (!(arg = strchr(buf, '='))) { - av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n"); - exit_program(1); - } - *arg++ = 0; - av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE); - av_free(buf); - } while (!s->eof_reached); - avio_close(s); - } - if (ret) { - av_log(NULL, AV_LOG_FATAL, - "Preset %s specified for stream %d:%d, but could not be opened.\n", - preset, ost->file_index, ost->index); - exit_program(1); - } - } else { - ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL); - } - - ost->max_frames = INT64_MAX; - MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st); - - MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st); - while (bsf) { - if (next = strchr(bsf, ',')) - *next++ = 0; - if (!(bsfc = av_bitstream_filter_init(bsf))) { - av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf); - exit_program(1); - } - if (bsfc_prev) - bsfc_prev->next = bsfc; - else - ost->bitstream_filters = bsfc; - - bsfc_prev = bsfc; - bsf = next; - } - - MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st); - if (codec_tag) { - uint32_t tag = strtol(codec_tag, &next, 0); - if (*next) - tag = AV_RL32(codec_tag); - ost->enc_ctx->codec_tag = tag; - } - - MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st); - if (qscale >= 0) { - ost->enc_ctx->flags |= CODEC_FLAG_QSCALE; - ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale; - } - - if (oc->oformat->flags & AVFMT_GLOBALHEADER) - ost->enc_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER; - - av_opt_get_int(o->g->sws_opts, "sws_flags", 0, &ost->sws_flags); - - av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0); - - ost->pix_fmts[0] = ost->pix_fmts[1] = AV_PIX_FMT_NONE; - ost->last_mux_dts = AV_NOPTS_VALUE; - - return ost; -} - -static void parse_matrix_coeffs(uint16_t *dest, const char *str) -{ - int i; - const char *p = str; - for (i = 0;; i++) { - dest[i] = atoi(p); - if (i == 63) - break; - p = strchr(p, ','); - if (!p) { - av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i); - exit_program(1); - } - p++; - } -} - -/* read file contents into a string */ -static uint8_t *read_file(const char *filename) -{ - AVIOContext *pb = NULL; - AVIOContext *dyn_buf = NULL; - int ret = avio_open(&pb, filename, AVIO_FLAG_READ); - uint8_t buf[1024], *str; - - if (ret < 0) { - av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename); - return NULL; - } - - ret = avio_open_dyn_buf(&dyn_buf); - if (ret < 0) { - avio_closep(&pb); - return NULL; - } - while ((ret = avio_read(pb, buf, sizeof(buf))) > 0) - avio_write(dyn_buf, buf, ret); - avio_w8(dyn_buf, 0); - avio_closep(&pb); - - ret = avio_close_dyn_buf(dyn_buf, &str); - if (ret < 0) - return NULL; - return str; -} - -static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc, - OutputStream *ost) -{ - AVStream *st = ost->st; - char *filter = NULL, *filter_script = NULL; - - MATCH_PER_STREAM_OPT(filter_scripts, str, filter_script, oc, st); - MATCH_PER_STREAM_OPT(filters, str, filter, oc, st); - - if (filter_script && filter) { - av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for " - "output stream #%d:%d.\n", nb_output_files, st->index); - exit_program(1); - } - - if (filter_script) - return read_file(filter_script); - else if (filter) - return av_strdup(filter); - - return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ? - "null" : "anull"); -} - -static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc) -{ - AVStream *st; - OutputStream *ost; - AVCodecContext *video_enc; - char *frame_aspect_ratio = NULL; - - ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO); - st = ost->st; - video_enc = ost->enc_ctx; - - MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st); - if (frame_aspect_ratio) - ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio); - - if (!ost->stream_copy) { - const char *p = NULL; - char *frame_rate = NULL, *frame_size = NULL; - char *frame_pix_fmt = NULL; - char *intra_matrix = NULL, *inter_matrix = NULL; - int do_pass = 0; - int i; - - MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st); - if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) { - av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate); - exit_program(1); - } - - MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st); - if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) { - av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size); - exit_program(1); - } - - MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st); - if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) { - av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt); - exit_program(1); - } - st->sample_aspect_ratio = video_enc->sample_aspect_ratio; - - MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st); - if (intra_matrix) { - if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) { - av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n"); - exit_program(1); - } - parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix); - } - MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st); - if (inter_matrix) { - if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) { - av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n"); - exit_program(1); - } - parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix); - } - - MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st); - for (i = 0; p; i++) { - int start, end, q; - int e = sscanf(p, "%d,%d,%d", &start, &end, &q); - if (e != 3) { - av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n"); - exit_program(1); - } - video_enc->rc_override = - av_realloc(video_enc->rc_override, - sizeof(RcOverride) * (i + 1)); - if (!video_enc->rc_override) { - av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n"); - exit_program(1); - } - video_enc->rc_override[i].start_frame = start; - video_enc->rc_override[i].end_frame = end; - if (q > 0) { - video_enc->rc_override[i].qscale = q; - video_enc->rc_override[i].quality_factor = 1.0; - } - else { - video_enc->rc_override[i].qscale = 0; - video_enc->rc_override[i].quality_factor = -q/100.0; - } - p = strchr(p, '/'); - if (p) p++; - } - video_enc->rc_override_count = i; - video_enc->intra_dc_precision = intra_dc_precision - 8; - - /* two pass mode */ - MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st); - if (do_pass) { - if (do_pass == 1) { - video_enc->flags |= CODEC_FLAG_PASS1; - } else { - video_enc->flags |= CODEC_FLAG_PASS2; - } - } - - MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st); - if (ost->logfile_prefix && - !(ost->logfile_prefix = av_strdup(ost->logfile_prefix))) - exit_program(1); - - MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st); - if (ost->forced_keyframes) - ost->forced_keyframes = av_strdup(ost->forced_keyframes); - - MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st); - - ost->top_field_first = -1; - MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st); - - - ost->avfilter = get_ost_filters(o, oc, ost); - if (!ost->avfilter) - exit_program(1); - } else { - MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st); - } - - return ost; -} - -static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc) -{ - AVStream *st; - OutputStream *ost; - AVCodecContext *audio_enc; - - ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO); - st = ost->st; - - audio_enc = ost->enc_ctx; - audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; - - if (!ost->stream_copy) { - char *sample_fmt = NULL; - - MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st); - - MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st); - if (sample_fmt && - (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) { - av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt); - exit_program(1); - } - - MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st); - - ost->avfilter = get_ost_filters(o, oc, ost); - if (!ost->avfilter) - exit_program(1); - } - - return ost; -} - -static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc) -{ - OutputStream *ost; - - ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA); - if (!ost->stream_copy) { - av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n"); - exit_program(1); - } - - return ost; -} - -static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc) -{ - OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT); - ost->stream_copy = 1; - ost->finished = 1; - return ost; -} - -static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc) -{ - OutputStream *ost; - AVCodecContext *subtitle_enc; - - ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE); - subtitle_enc = ost->enc_ctx; - - subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE; - - return ost; -} - -/* arg format is "output-stream-index:streamid-value". */ -static int opt_streamid(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - int idx; - char *p; - char idx_str[16]; - - av_strlcpy(idx_str, arg, sizeof(idx_str)); - p = strchr(idx_str, ':'); - if (!p) { - av_log(NULL, AV_LOG_FATAL, - "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", - arg, opt); - exit_program(1); - } - *p++ = '\0'; - idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX); - o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1); - o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); - return 0; -} - -static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata) -{ - AVFormatContext *is = ifile->ctx; - AVFormatContext *os = ofile->ctx; - AVChapter **tmp; - int i; - - tmp = av_realloc(os->chapters, sizeof(*os->chapters) * (is->nb_chapters + os->nb_chapters)); - if (!tmp) - return AVERROR(ENOMEM); - os->chapters = tmp; - - for (i = 0; i < is->nb_chapters; i++) { - AVChapter *in_ch = is->chapters[i], *out_ch; - int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time; - int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset, - AV_TIME_BASE_Q, in_ch->time_base); - int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX : - av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base); - - - if (in_ch->end < ts_off) - continue; - if (rt != INT64_MAX && in_ch->start > rt + ts_off) - break; - - out_ch = av_mallocz(sizeof(AVChapter)); - if (!out_ch) - return AVERROR(ENOMEM); - - out_ch->id = in_ch->id; - out_ch->time_base = in_ch->time_base; - out_ch->start = FFMAX(0, in_ch->start - ts_off); - out_ch->end = FFMIN(rt, in_ch->end - ts_off); - - if (copy_metadata) - av_dict_copy(&out_ch->metadata, in_ch->metadata, 0); - - os->chapters[os->nb_chapters++] = out_ch; - } - return 0; -} - -static void init_output_filter(OutputFilter *ofilter, OptionsContext *o, - AVFormatContext *oc) -{ - OutputStream *ost; - - switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads, - ofilter->out_tmp->pad_idx)) { - case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break; - case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break; - default: - av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported " - "currently.\n"); - exit_program(1); - } - - ost->source_index = -1; - ost->filter = ofilter; - - ofilter->ost = ost; - - if (ost->stream_copy) { - av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, " - "which is fed from a complex filtergraph. Filtering and streamcopy " - "cannot be used together.\n", ost->file_index, ost->index); - exit_program(1); - } - - if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n"); - exit_program(1); - } - avfilter_inout_free(&ofilter->out_tmp); -} - -static int configure_complex_filters(void) -{ - int i, ret = 0; - - for (i = 0; i < nb_filtergraphs; i++) - if (!filtergraphs[i]->graph && - (ret = configure_filtergraph(filtergraphs[i])) < 0) - return ret; - return 0; -} - -static int open_output_file(OptionsContext *o, const char *filename) -{ - AVFormatContext *oc; - int i, j, err; - AVOutputFormat *file_oformat; - OutputFile *of; - OutputStream *ost; - InputStream *ist; - AVDictionary *unused_opts = NULL; - AVDictionaryEntry *e = NULL; - - if (configure_complex_filters() < 0) { - av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n"); - exit_program(1); - } - - GROW_ARRAY(output_files, nb_output_files); - of = av_mallocz(sizeof(*of)); - if (!of) - exit_program(1); - output_files[nb_output_files - 1] = of; - - of->ost_index = nb_output_streams; - of->recording_time = o->recording_time; - of->start_time = o->start_time; - of->limit_filesize = o->limit_filesize; - of->shortest = o->shortest; - av_dict_copy(&of->opts, o->g->format_opts, 0); - - if (!strcmp(filename, "-")) - filename = "pipe:"; - - oc = avformat_alloc_context(); - if (!oc) { - print_error(filename, AVERROR(ENOMEM)); - exit_program(1); - } - of->ctx = oc; - if (o->recording_time != INT64_MAX) - oc->duration = o->recording_time; - - if (o->format) { - file_oformat = av_guess_format(o->format, NULL, NULL); - if (!file_oformat) { - av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format); - exit_program(1); - } - } else { - file_oformat = av_guess_format(NULL, filename, NULL); - if (!file_oformat) { - av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n", - filename); - exit_program(1); - } - } - - oc->oformat = file_oformat; - oc->interrupt_callback = int_cb; - av_strlcpy(oc->filename, filename, sizeof(oc->filename)); - - /* create streams for all unlabeled output pads */ - for (i = 0; i < nb_filtergraphs; i++) { - FilterGraph *fg = filtergraphs[i]; - for (j = 0; j < fg->nb_outputs; j++) { - OutputFilter *ofilter = fg->outputs[j]; - - if (!ofilter->out_tmp || ofilter->out_tmp->name) - continue; - - switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads, - ofilter->out_tmp->pad_idx)) { - case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break; - case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break; - case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break; - } - init_output_filter(ofilter, o, oc); - } - } - - if (!o->nb_stream_maps) { - /* pick the "best" stream of each type */ -#define NEW_STREAM(type, index)\ - if (index >= 0) {\ - ost = new_ ## type ## _stream(o, oc);\ - ost->source_index = index;\ - ost->sync_ist = input_streams[index];\ - input_streams[index]->discard = 0;\ - input_streams[index]->st->discard = AVDISCARD_NONE;\ - } - - /* video: highest resolution */ - if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) { - int area = 0, idx = -1; - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && - ist->st->codec->width * ist->st->codec->height > area) { - area = ist->st->codec->width * ist->st->codec->height; - idx = i; - } - } - NEW_STREAM(video, idx); - } - - /* audio: most channels */ - if (!o->audio_disable && oc->oformat->audio_codec != AV_CODEC_ID_NONE) { - int channels = 0, idx = -1; - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && - ist->st->codec->channels > channels) { - channels = ist->st->codec->channels; - idx = i; - } - } - NEW_STREAM(audio, idx); - } - - /* subtitles: pick first */ - if (!o->subtitle_disable && oc->oformat->subtitle_codec != AV_CODEC_ID_NONE) { - for (i = 0; i < nb_input_streams; i++) - if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { - NEW_STREAM(subtitle, i); - break; - } - } - /* do something with data? */ - } else { - for (i = 0; i < o->nb_stream_maps; i++) { - StreamMap *map = &o->stream_maps[i]; - - if (map->disabled) - continue; - - if (map->linklabel) { - FilterGraph *fg; - OutputFilter *ofilter = NULL; - int j, k; - - for (j = 0; j < nb_filtergraphs; j++) { - fg = filtergraphs[j]; - for (k = 0; k < fg->nb_outputs; k++) { - AVFilterInOut *out = fg->outputs[k]->out_tmp; - if (out && !strcmp(out->name, map->linklabel)) { - ofilter = fg->outputs[k]; - goto loop_end; - } - } - } -loop_end: - if (!ofilter) { - av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist " - "in any defined filter graph.\n", map->linklabel); - exit_program(1); - } - init_output_filter(ofilter, o, oc); - } else { - ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index]; - switch (ist->st->codec->codec_type) { - case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break; - case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break; - case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break; - case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break; - case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break; - default: - av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n", - map->file_index, map->stream_index); - exit_program(1); - } - - ost->source_index = input_files[map->file_index]->ist_index + map->stream_index; - ost->sync_ist = input_streams[input_files[map->sync_file_index]->ist_index + - map->sync_stream_index]; - ist->discard = 0; - ist->st->discard = AVDISCARD_NONE; - } - } - } - - /* handle attached files */ - for (i = 0; i < o->nb_attachments; i++) { - AVIOContext *pb; - uint8_t *attachment; - const char *p; - int64_t len; - - if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) { - av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n", - o->attachments[i]); - exit_program(1); - } - if ((len = avio_size(pb)) <= 0) { - av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n", - o->attachments[i]); - exit_program(1); - } - if (!(attachment = av_malloc(len))) { - av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n", - o->attachments[i]); - exit_program(1); - } - avio_read(pb, attachment, len); - - ost = new_attachment_stream(o, oc); - ost->stream_copy = 0; - ost->source_index = -1; - ost->attachment_filename = o->attachments[i]; - ost->st->codec->extradata = attachment; - ost->st->codec->extradata_size = len; - - p = strrchr(o->attachments[i], '/'); - av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE); - avio_close(pb); - } - - /* check if all codec options have been used */ - unused_opts = strip_specifiers(o->g->codec_opts); - for (i = of->ost_index; i < nb_output_streams; i++) { - e = NULL; - while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e, - AV_DICT_IGNORE_SUFFIX))) - av_dict_set(&unused_opts, e->key, NULL, 0); - } - - e = NULL; - while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) { - const AVClass *class = avcodec_get_class(); - const AVOption *option = av_opt_find(&class, e->key, NULL, 0, - AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); - if (!option) - continue; - if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) { - av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for " - "output file #%d (%s) is not an encoding option.\n", e->key, - option->help ? option->help : "", nb_output_files - 1, - filename); - exit_program(1); - } - - av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for " - "output file #%d (%s) has not been used for any stream. The most " - "likely reason is either wrong type (e.g. a video option with " - "no video streams) or that it is a private option of some encoder " - "which was not actually used for any stream.\n", e->key, - option->help ? option->help : "", nb_output_files - 1, filename); - } - av_dict_free(&unused_opts); - - /* check filename in case of an image number is expected */ - if (oc->oformat->flags & AVFMT_NEEDNUMBER) { - if (!av_filename_number_test(oc->filename)) { - print_error(oc->filename, AVERROR(EINVAL)); - exit_program(1); - } - } - - if (!(oc->oformat->flags & AVFMT_NOFILE)) { - /* test if it already exists to avoid losing precious files */ - assert_file_overwrite(filename); - - /* open the file */ - if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE, - &oc->interrupt_callback, - &of->opts)) < 0) { - print_error(filename, err); - exit_program(1); - } - } - - if (o->mux_preload) { - uint8_t buf[64]; - snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE)); - av_dict_set(&of->opts, "preload", buf, 0); - } - oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); - oc->flags |= AVFMT_FLAG_NONBLOCK; - - /* copy metadata */ - for (i = 0; i < o->nb_metadata_map; i++) { - char *p; - int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0); - - if (in_file_index >= nb_input_files) { - av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index); - exit_program(1); - } - copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, - in_file_index >= 0 ? - input_files[in_file_index]->ctx : NULL, o); - } - - /* copy chapters */ - if (o->chapters_input_file >= nb_input_files) { - if (o->chapters_input_file == INT_MAX) { - /* copy chapters from the first input file that has them*/ - o->chapters_input_file = -1; - for (i = 0; i < nb_input_files; i++) - if (input_files[i]->ctx->nb_chapters) { - o->chapters_input_file = i; - break; - } - } else { - av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n", - o->chapters_input_file); - exit_program(1); - } - } - if (o->chapters_input_file >= 0) - copy_chapters(input_files[o->chapters_input_file], of, - !o->metadata_chapters_manual); - - /* copy global metadata by default */ - if (!o->metadata_global_manual && nb_input_files) - av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata, - AV_DICT_DONT_OVERWRITE); - if (!o->metadata_streams_manual) - for (i = of->ost_index; i < nb_output_streams; i++) { - InputStream *ist; - if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */ - continue; - ist = input_streams[output_streams[i]->source_index]; - av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE); - } - - /* process manually set metadata */ - for (i = 0; i < o->nb_metadata; i++) { - AVDictionary **m; - char type, *val; - const char *stream_spec; - int index = 0, j, ret; - - val = strchr(o->metadata[i].u.str, '='); - if (!val) { - av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n", - o->metadata[i].u.str); - exit_program(1); - } - *val++ = 0; - - parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec); - if (type == 's') { - for (j = 0; j < oc->nb_streams; j++) { - if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) { - av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0); - } else if (ret < 0) - exit_program(1); - } - } - else { - switch (type) { - case 'g': - m = &oc->metadata; - break; - case 'c': - if (index < 0 || index >= oc->nb_chapters) { - av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index); - exit_program(1); - } - m = &oc->chapters[index]->metadata; - break; - default: - av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier); - exit_program(1); - } - av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0); - } - } - - return 0; -} - -static int opt_target(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN; - static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" }; - - if (!strncmp(arg, "pal-", 4)) { - norm = PAL; - arg += 4; - } else if (!strncmp(arg, "ntsc-", 5)) { - norm = NTSC; - arg += 5; - } else if (!strncmp(arg, "film-", 5)) { - norm = FILM; - arg += 5; - } else { - /* Try to determine PAL/NTSC by peeking in the input files */ - if (nb_input_files) { - int i, j, fr; - for (j = 0; j < nb_input_files; j++) { - for (i = 0; i < input_files[j]->nb_streams; i++) { - AVCodecContext *c = input_files[j]->ctx->streams[i]->codec; - if (c->codec_type != AVMEDIA_TYPE_VIDEO || - !c->time_base.num) - continue; - fr = c->time_base.den * 1000 / c->time_base.num; - if (fr == 25000) { - norm = PAL; - break; - } else if ((fr == 29970) || (fr == 23976)) { - norm = NTSC; - break; - } - } - if (norm != UNKNOWN) - break; - } - } - if (norm != UNKNOWN) - av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC"); - } - - if (norm == UNKNOWN) { - av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n"); - av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n"); - av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n"); - exit_program(1); - } - - if (!strcmp(arg, "vcd")) { - opt_video_codec(o, "c:v", "mpeg1video"); - opt_audio_codec(o, "c:a", "mp2"); - parse_option(o, "f", "vcd", options); - - parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options); - parse_option(o, "r", frame_rates[norm], options); - opt_default(NULL, "g", norm == PAL ? "15" : "18"); - - opt_default(NULL, "b", "1150000"); - opt_default(NULL, "maxrate", "1150000"); - opt_default(NULL, "minrate", "1150000"); - opt_default(NULL, "bufsize", "327680"); // 40*1024*8; - - opt_default(NULL, "b:a", "224000"); - parse_option(o, "ar", "44100", options); - parse_option(o, "ac", "2", options); - - opt_default(NULL, "packetsize", "2324"); - opt_default(NULL, "muxrate", "3528"); // 2352 * 75 / 50; - - /* We have to offset the PTS, so that it is consistent with the SCR. - SCR starts at 36000, but the first two packs contain only padding - and the first pack from the other stream, respectively, may also have - been written before. - So the real data starts at SCR 36000+3*1200. */ - o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44 - } else if (!strcmp(arg, "svcd")) { - - opt_video_codec(o, "c:v", "mpeg2video"); - opt_audio_codec(o, "c:a", "mp2"); - parse_option(o, "f", "svcd", options); - - parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options); - parse_option(o, "r", frame_rates[norm], options); - opt_default(NULL, "g", norm == PAL ? "15" : "18"); - - opt_default(NULL, "b", "2040000"); - opt_default(NULL, "maxrate", "2516000"); - opt_default(NULL, "minrate", "0"); // 1145000; - opt_default(NULL, "bufsize", "1835008"); // 224*1024*8; - opt_default(NULL, "scan_offset", "1"); - - - opt_default(NULL, "b:a", "224000"); - parse_option(o, "ar", "44100", options); - - opt_default(NULL, "packetsize", "2324"); - - } else if (!strcmp(arg, "dvd")) { - - opt_video_codec(o, "c:v", "mpeg2video"); - opt_audio_codec(o, "c:a", "ac3"); - parse_option(o, "f", "dvd", options); - - parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); - parse_option(o, "r", frame_rates[norm], options); - opt_default(NULL, "g", norm == PAL ? "15" : "18"); - - opt_default(NULL, "b", "6000000"); - opt_default(NULL, "maxrate", "9000000"); - opt_default(NULL, "minrate", "0"); // 1500000; - opt_default(NULL, "bufsize", "1835008"); // 224*1024*8; - - opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack. - opt_default(NULL, "muxrate", "25200"); // from mplex project: data_rate = 1260000. mux_rate = data_rate / 50 - - opt_default(NULL, "b:a", "448000"); - parse_option(o, "ar", "48000", options); - - } else if (!strncmp(arg, "dv", 2)) { - - parse_option(o, "f", "dv", options); - - parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); - parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" : - norm == PAL ? "yuv420p" : "yuv411p", options); - parse_option(o, "r", frame_rates[norm], options); - - parse_option(o, "ar", "48000", options); - parse_option(o, "ac", "2", options); - - } else { - av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg); - return AVERROR(EINVAL); - } - - av_dict_copy(&o->g->codec_opts, codec_opts, 0); - av_dict_copy(&o->g->format_opts, format_opts, 0); - - return 0; -} - -static int opt_vstats_file(void *optctx, const char *opt, const char *arg) -{ - av_free (vstats_filename); - vstats_filename = av_strdup (arg); - return 0; -} - -static int opt_vstats(void *optctx, const char *opt, const char *arg) -{ - char filename[40]; - time_t today2 = time(NULL); - struct tm *today = localtime(&today2); - - snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min, - today->tm_sec); - return opt_vstats_file(NULL, opt, filename); -} - -static int opt_video_frames(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "frames:v", arg, options); -} - -static int opt_audio_frames(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "frames:a", arg, options); -} - -static int opt_data_frames(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "frames:d", arg, options); -} - -static int opt_video_tag(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "tag:v", arg, options); -} - -static int opt_audio_tag(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "tag:a", arg, options); -} - -static int opt_subtitle_tag(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "tag:s", arg, options); -} - -static int opt_video_filters(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "filter:v", arg, options); -} - -static int opt_audio_filters(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "filter:a", arg, options); -} - -static int opt_vsync(void *optctx, const char *opt, const char *arg) -{ - if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR; - else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR; - else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH; - - if (video_sync_method == VSYNC_AUTO) - video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR); - return 0; -} - -static int opt_channel_layout(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - char layout_str[32]; - char *stream_str; - char *ac_str; - int ret, channels, ac_str_size; - uint64_t layout; - - layout = av_get_channel_layout(arg); - if (!layout) { - av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg); - return AVERROR(EINVAL); - } - snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout); - ret = opt_default(NULL, opt, layout_str); - if (ret < 0) - return ret; - - /* set 'ac' option based on channel layout */ - channels = av_get_channel_layout_nb_channels(layout); - snprintf(layout_str, sizeof(layout_str), "%d", channels); - stream_str = strchr(opt, ':'); - ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0); - ac_str = av_mallocz(ac_str_size); - if (!ac_str) - return AVERROR(ENOMEM); - av_strlcpy(ac_str, "ac", 3); - if (stream_str) - av_strlcat(ac_str, stream_str, ac_str_size); - ret = parse_option(o, ac_str, layout_str, options); - av_free(ac_str); - - return ret; -} - -static int opt_audio_qscale(void *optctx, const char *opt, const char *arg) -{ - OptionsContext *o = optctx; - return parse_option(o, "q:a", arg, options); -} - -static int opt_filter_complex(void *optctx, const char *opt, const char *arg) -{ - GROW_ARRAY(filtergraphs, nb_filtergraphs); - if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) - return AVERROR(ENOMEM); - filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; - filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg); - if (!filtergraphs[nb_filtergraphs - 1]->graph_desc) - return AVERROR(ENOMEM); - return 0; -} - -static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg) -{ - uint8_t *graph_desc = read_file(arg); - if (!graph_desc) - return AVERROR(EINVAL); - - GROW_ARRAY(filtergraphs, nb_filtergraphs); - if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) - return AVERROR(ENOMEM); - filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; - filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc; - return 0; -} - -void show_help_default(const char *opt, const char *arg) -{ - /* per-file options have at least one of those set */ - const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE; - int show_advanced = 0, show_avoptions = 0; - - if (opt && *opt) { - if (!strcmp(opt, "long")) - show_advanced = 1; - else if (!strcmp(opt, "full")) - show_advanced = show_avoptions = 1; - else - av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt); - } - - show_usage(); - - printf("Getting help:\n" - " -h -- print basic options\n" - " -h long -- print more options\n" - " -h full -- print all options (including all format and codec specific options, very long)\n" - " See man %s for detailed description of the options.\n" - "\n", program_name); - - show_help_options(options, "Print help / information / capabilities:", - OPT_EXIT, 0, 0); - - show_help_options(options, "Global options (affect whole program " - "instead of just one file:", - 0, per_file | OPT_EXIT | OPT_EXPERT, 0); - if (show_advanced) - show_help_options(options, "Advanced global options:", OPT_EXPERT, - per_file | OPT_EXIT, 0); - - show_help_options(options, "Per-file main options:", 0, - OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | - OPT_EXIT, per_file); - if (show_advanced) - show_help_options(options, "Advanced per-file options:", - OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file); - - show_help_options(options, "Video options:", - OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0); - if (show_advanced) - show_help_options(options, "Advanced Video options:", - OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0); - - show_help_options(options, "Audio options:", - OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0); - if (show_advanced) - show_help_options(options, "Advanced Audio options:", - OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0); - show_help_options(options, "Subtitle options:", - OPT_SUBTITLE, 0, 0); - printf("\n"); - - if (show_avoptions) { - int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM; - show_help_children(avcodec_get_class(), flags); - show_help_children(avformat_get_class(), flags); - show_help_children(sws_get_class(), flags); - show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM); - } -} - -void show_usage(void) -{ - printf("Hyper fast Audio and Video encoder\n"); - printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name); - printf("\n"); -} - -enum OptGroup { - GROUP_OUTFILE, - GROUP_INFILE, -}; - -static const OptionGroupDef groups[] = { - [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT }, - [GROUP_INFILE] = { "input file", "i", OPT_INPUT }, -}; - -static int open_files(OptionGroupList *l, const char *inout, - int (*open_file)(OptionsContext*, const char*)) -{ - int i, ret; - - for (i = 0; i < l->nb_groups; i++) { - OptionGroup *g = &l->groups[i]; - OptionsContext o; - - init_options(&o); - o.g = g; - - ret = parse_optgroup(&o, g); - if (ret < 0) { - av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file " - "%s.\n", inout, g->arg); - return ret; - } - - av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg); - ret = open_file(&o, g->arg); - uninit_options(&o); - if (ret < 0) { - av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n", - inout, g->arg); - return ret; - } - av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n"); - } - - return 0; -} - -int avconv_parse_options(int argc, char **argv) -{ - OptionParseContext octx; - uint8_t error[128]; - int ret; - - memset(&octx, 0, sizeof(octx)); - - /* split the commandline into an internal representation */ - ret = split_commandline(&octx, argc, argv, options, groups, - FF_ARRAY_ELEMS(groups)); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: "); - goto fail; - } - - /* apply global options */ - ret = parse_optgroup(NULL, &octx.global_opts); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Error parsing global options: "); - goto fail; - } - - /* open input files */ - ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Error opening input files: "); - goto fail; - } - - /* open output files */ - ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Error opening output files: "); - goto fail; - } - -fail: - uninit_parse_context(&octx); - if (ret < 0) { - av_strerror(ret, error, sizeof(error)); - av_log(NULL, AV_LOG_FATAL, "%s\n", error); - } - return ret; -} - -#define OFFSET(x) offsetof(OptionsContext, x) -const OptionDef options[] = { - /* main options */ -#include "cmdutils_common_opts.h" - { "f", HAS_ARG | OPT_STRING | OPT_OFFSET | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) }, - "force format", "fmt" }, - { "y", OPT_BOOL, { &file_overwrite }, - "overwrite output files" }, - { "n", OPT_BOOL, { &file_skip }, - "never overwrite output files" }, - { "c", HAS_ARG | OPT_STRING | OPT_SPEC | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) }, - "codec name", "codec" }, - { "codec", HAS_ARG | OPT_STRING | OPT_SPEC | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) }, - "codec name", "codec" }, - { "pre", HAS_ARG | OPT_STRING | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(presets) }, - "preset name", "preset" }, - { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE | - OPT_OUTPUT, { .func_arg = opt_map }, - "set input stream mapping", - "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" }, - { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(metadata_map) }, - "set metadata information of outfile from infile", - "outfile[,metadata]:infile[,metadata]" }, - { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET | - OPT_OUTPUT, { .off = OFFSET(chapters_input_file) }, - "set chapters mapping", "input_file_index" }, - { "t", HAS_ARG | OPT_TIME | OPT_OFFSET | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) }, - "record or transcode \"duration\" seconds of audio/video", - "duration" }, - { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) }, - "set the limit file size in bytes", "limit_size" }, - { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) }, - "set the start time offset", "time_off" }, - { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT | - OPT_INPUT, { .off = OFFSET(accurate_seek) }, - "enable/disable accurate seeking with -ss" }, - { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET | - OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) }, - "set the input ts offset", "time_off" }, - { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC | - OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) }, - "set the input ts scale", "scale" }, - { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) }, - "add metadata", "string=string" }, - { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT | - OPT_OUTPUT, { .func_arg = opt_data_frames }, - "set the number of data frames to record", "number" }, - { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark }, - "add timings for benchmarking" }, - { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit }, - "set max runtime in seconds", "limit" }, - { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump }, - "dump each input packet" }, - { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump }, - "when dumping packets, also dump the payload" }, - { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET | - OPT_INPUT, { .off = OFFSET(rate_emu) }, - "read input at native frame rate", "" }, - { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target }, - "specify target file type (\"vcd\", \"svcd\", \"dvd\"," - " \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" }, - { "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync }, - "video sync method", "" }, - { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method }, - "audio sync method", "" }, - { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold }, - "audio drift threshold", "threshold" }, - { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts }, - "copy timestamps" }, - { "copytb", OPT_BOOL | OPT_EXPERT, { ©_tb }, - "copy input stream time base when stream copying" }, - { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET | - OPT_OUTPUT, { .off = OFFSET(shortest) }, - "finish encoding within shortest input" }, - { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold }, - "timestamp discontinuity delta threshold", "threshold" }, - { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error }, - "exit on error", "error" }, - { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) }, - "copy initial non-keyframes" }, - { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) }, - "set the number of frames to record", "number" }, - { "tag", OPT_STRING | HAS_ARG | OPT_SPEC | - OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) }, - "force codec tag/fourcc", "fourcc/tag" }, - { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | - OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) }, - "use fixed quality scale (VBR)", "q" }, - { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | - OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) }, - "use fixed quality scale (VBR)", "q" }, - { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) }, - "set stream filterchain", "filter_list" }, - { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) }, - "read stream filtergraph description from a file", "filename" }, - { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex }, - "create a complex filtergraph", "graph_description" }, - { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script }, - "read complex filtergraph description from a file", "filename" }, - { "stats", OPT_BOOL, { &print_stats }, - "print progress report during encoding", }, - { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT | - OPT_OUTPUT, { .func_arg = opt_attach }, - "add an attachment to the output file", "filename" }, - { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC | - OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) }, - "extract an attachment into a file", "filename" }, - - /* video options */ - { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames }, - "set the number of video frames to record", "number" }, - { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) }, - "set frame rate (Hz value, fraction or abbreviation)", "rate" }, - { "s", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) }, - "set frame size (WxH or abbreviation)", "size" }, - { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) }, - "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, - { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) }, - "set pixel format", "format" }, - { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(video_disable) }, - "disable video" }, - { "vdt", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &video_discard }, - "discard threshold", "n" }, - { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(rc_overrides) }, - "rate control override for specific intervals", "override" }, - { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT | - OPT_OUTPUT, { .func_arg = opt_video_codec }, - "force video codec ('copy' to copy stream)", "codec" }, - { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) }, - "select the pass number (1 or 2)", "n" }, - { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(passlogfiles) }, - "select two pass log file name prefix", "prefix" }, - { "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats }, - "dump video coding statistics to file" }, - { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file }, - "dump video coding statistics to file", "file" }, - { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters }, - "video filters", "filter list" }, - { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(intra_matrices) }, - "specify intra matrix coeffs", "matrix" }, - { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(inter_matrices) }, - "specify inter matrix coeffs", "matrix" }, - { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(top_field_first) }, - "top=1/bottom=0/auto=-1 field first", "" }, - { "dc", OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT , { &intra_dc_precision }, - "intra_dc_precision", "precision" }, - { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | - OPT_OUTPUT, { .func_arg = opt_video_tag }, - "force video tag/fourcc", "fourcc/tag" }, - { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist }, - "show QP histogram" }, - { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC | - OPT_OUTPUT, { .off = OFFSET(force_fps) }, - "force the selected framerate, disable the best supported framerate selection" }, - { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | - OPT_OUTPUT, { .func_arg = opt_streamid }, - "set the value of an outfile streamid", "streamIndex:value" }, - { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | - OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) }, - "force key frames at specified timestamps", "timestamps" }, - { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | - OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) }, - "use HW accelerated decoding", "hwaccel name" }, - { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | - OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) }, - "select a device for HW acceleration" "devicename" }, - - /* audio options */ - { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames }, - "set the number of audio frames to record", "number" }, - { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale }, - "set audio quality (codec-specific)", "quality", }, - { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) }, - "set audio sampling rate (in Hz)", "rate" }, - { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | - OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) }, - "set number of audio channels", "channels" }, - { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(audio_disable) }, - "disable audio" }, - { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE | - OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec }, - "force audio codec ('copy' to copy stream)", "codec" }, - { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | - OPT_OUTPUT, { .func_arg = opt_audio_tag }, - "force audio tag/fourcc", "fourcc/tag" }, - { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume }, - "change audio volume (256=normal)" , "volume" }, - { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC | - OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) }, - "set sample format", "format" }, - { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | - OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout }, - "set channel layout", "layout" }, - { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters }, - "audio filters", "filter list" }, - - /* subtitle options */ - { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) }, - "disable subtitle" }, - { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec }, - "force subtitle codec ('copy' to copy stream)", "codec" }, - { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_subtitle_tag } - , "force subtitle tag/fourcc", "fourcc/tag" }, - - /* grab options */ - { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" }, - - /* muxer options */ - { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) }, - "set the maximum demux-decode delay", "seconds" }, - { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) }, - "set the initial demux-decode delay", "seconds" }, - - { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) }, - "A comma-separated list of bitstream filters", "bitstream_filters" }, - - /* data codec support */ - { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec }, - "force data codec ('copy' to copy stream)", "codec" }, - - { NULL, }, -}; |