diff options
author | Luca Barbato <lu_zero@gentoo.org> | 2014-06-07 01:21:13 +0200 |
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committer | Luca Barbato <lu_zero@gentoo.org> | 2014-07-01 16:43:01 +0200 |
commit | b75a1f9892b5b715397edbf837e4d4cda337907b (patch) | |
tree | 3cc946fb151105db9c7bdf38dd6ae4d3a245225e /libavformat | |
parent | f1f6156b3fc9eb77b439d031ba18974d80b8341e (diff) | |
download | ffmpeg-streaming-b75a1f9892b5b715397edbf837e4d4cda337907b.zip ffmpeg-streaming-b75a1f9892b5b715397edbf837e4d4cda337907b.tar.gz |
matroska: Factor out write_track from mkv_write_tracks
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/matroskaenc.c | 362 |
1 files changed, 193 insertions, 169 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index fea18e1..6916d34 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -535,6 +535,42 @@ static void get_aac_sample_rates(AVFormatContext *s, AVCodecContext *codec, *output_sample_rate = mp4ac.ext_sample_rate; } +static int mkv_write_native_codecprivate(AVFormatContext *s, + AVCodecContext *codec, + AVIOContext *dyn_cp) +{ + switch (codec->codec_id) { + case AV_CODEC_ID_VORBIS: + case AV_CODEC_ID_THEORA: + return put_xiph_codecpriv(s, dyn_cp, codec); + case AV_CODEC_ID_FLAC: + return put_flac_codecpriv(s, dyn_cp, codec); + case AV_CODEC_ID_WAVPACK: + return put_wv_codecpriv(dyn_cp, codec); + case AV_CODEC_ID_H264: + return ff_isom_write_avcc(dyn_cp, codec->extradata, + codec->extradata_size); + case AV_CODEC_ID_HEVC: + return ff_isom_write_hvcc(dyn_cp, codec->extradata, + codec->extradata_size, 0); + case AV_CODEC_ID_ALAC: + if (codec->extradata_size < 36) { + av_log(s, AV_LOG_ERROR, + "Invalid extradata found, ALAC expects a 36-byte " + "QuickTime atom."); + return AVERROR_INVALIDDATA; + } else + avio_write(dyn_cp, codec->extradata + 12, + codec->extradata_size - 12); + break; + default: + if (codec->extradata_size) + avio_write(dyn_cp, codec->extradata, codec->extradata_size); + } + + return 0; +} + static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec, int native_id, int qt_id) @@ -548,30 +584,7 @@ static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, return ret; if (native_id) { - if (codec->codec_id == AV_CODEC_ID_VORBIS || - codec->codec_id == AV_CODEC_ID_THEORA) - ret = put_xiph_codecpriv(s, dyn_cp, codec); - else if (codec->codec_id == AV_CODEC_ID_FLAC) - ret = put_flac_codecpriv(s, dyn_cp, codec); - else if (codec->codec_id == AV_CODEC_ID_WAVPACK) - ret = put_wv_codecpriv(dyn_cp, codec); - else if (codec->codec_id == AV_CODEC_ID_H264) - ret = ff_isom_write_avcc(dyn_cp, codec->extradata, - codec->extradata_size); - else if (codec->codec_id == AV_CODEC_ID_HEVC) - ret = ff_isom_write_hvcc(dyn_cp, codec->extradata, - codec->extradata_size, 0); - else if (codec->codec_id == AV_CODEC_ID_ALAC) { - if (codec->extradata_size < 36) { - av_log(s, AV_LOG_ERROR, - "Invalid extradata found, ALAC expects a 36-byte " - "QuickTime atom."); - ret = AVERROR_INVALIDDATA; - } else - avio_write(dyn_cp, codec->extradata + 12, - codec->extradata_size - 12); - } else if (codec->extradata_size) - avio_write(dyn_cp, codec->extradata, codec->extradata_size); + ret = mkv_write_native_codecprivate(s, codec, dyn_cp); } else if (codec->codec_type == AVMEDIA_TYPE_VIDEO) { if (qt_id) { if (!codec->codec_tag) @@ -611,174 +624,185 @@ static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, return ret; } -static int mkv_write_tracks(AVFormatContext *s) +static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv, + int i, AVIOContext *pb) { - MatroskaMuxContext *mkv = s->priv_data; - AVIOContext *pb = s->pb; - ebml_master tracks; - int i, j, ret; + AVStream *st = s->streams[i]; + AVCodecContext *codec = st->codec; + ebml_master subinfo, track; + int native_id = 0; + int qt_id = 0; + int bit_depth = av_get_bits_per_sample(codec->codec_id); + int sample_rate = codec->sample_rate; + int output_sample_rate = 0; + int j, ret; + AVDictionaryEntry *tag; - ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_TRACKS, avio_tell(pb)); - if (ret < 0) - return ret; + // ms precision is the de-facto standard timescale for mkv files + avpriv_set_pts_info(st, 64, 1, 1000); - tracks = start_ebml_master(pb, MATROSKA_ID_TRACKS, 0); - for (i = 0; i < s->nb_streams; i++) { - AVStream *st = s->streams[i]; - AVCodecContext *codec = st->codec; - ebml_master subinfo, track; - int native_id = 0; - int qt_id = 0; - int bit_depth = av_get_bits_per_sample(codec->codec_id); - int sample_rate = codec->sample_rate; - int output_sample_rate = 0; - AVDictionaryEntry *tag; - - // ms precision is the de-facto standard timescale for mkv files - avpriv_set_pts_info(st, 64, 1, 1000); - - if (codec->codec_type == AVMEDIA_TYPE_ATTACHMENT) { - mkv->have_attachments = 1; - continue; - } + if (codec->codec_type == AVMEDIA_TYPE_ATTACHMENT) { + mkv->have_attachments = 1; + return 0; + } + + if (!bit_depth) + bit_depth = av_get_bytes_per_sample(codec->sample_fmt) << 3; - if (!bit_depth) - bit_depth = av_get_bytes_per_sample(codec->sample_fmt) << 3; + if (codec->codec_id == AV_CODEC_ID_AAC) + get_aac_sample_rates(s, codec, &sample_rate, &output_sample_rate); - if (codec->codec_id == AV_CODEC_ID_AAC) - get_aac_sample_rates(s, codec, &sample_rate, &output_sample_rate); + track = start_ebml_master(pb, MATROSKA_ID_TRACKENTRY, 0); + put_ebml_uint (pb, MATROSKA_ID_TRACKNUMBER , i + 1); + put_ebml_uint (pb, MATROSKA_ID_TRACKUID , i + 1); + put_ebml_uint (pb, MATROSKA_ID_TRACKFLAGLACING , 0); // no lacing (yet) - track = start_ebml_master(pb, MATROSKA_ID_TRACKENTRY, 0); - put_ebml_uint (pb, MATROSKA_ID_TRACKNUMBER , i + 1); - put_ebml_uint (pb, MATROSKA_ID_TRACKUID , i + 1); - put_ebml_uint (pb, MATROSKA_ID_TRACKFLAGLACING , 0); // no lacing (yet) + if ((tag = av_dict_get(st->metadata, "title", NULL, 0))) + put_ebml_string(pb, MATROSKA_ID_TRACKNAME, tag->value); + tag = av_dict_get(st->metadata, "language", NULL, 0); + put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, tag ? tag->value:"und"); - if ((tag = av_dict_get(st->metadata, "title", NULL, 0))) - put_ebml_string(pb, MATROSKA_ID_TRACKNAME, tag->value); - tag = av_dict_get(st->metadata, "language", NULL, 0); - put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, tag ? tag->value:"und"); + // The default value for TRACKFLAGDEFAULT is 1, so add element + // if we need to clear it. + if (!(st->disposition & AV_DISPOSITION_DEFAULT)) + put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGDEFAULT, !!(st->disposition & AV_DISPOSITION_DEFAULT)); - // The default value for TRACKFLAGDEFAULT is 1, so add element - // if we need to clear it. - if (!(st->disposition & AV_DISPOSITION_DEFAULT)) - put_ebml_uint(pb, MATROSKA_ID_TRACKFLAGDEFAULT, !!(st->disposition & AV_DISPOSITION_DEFAULT)); + if (codec->codec_type == AVMEDIA_TYPE_AUDIO && codec->delay) { + mkv->tracks[i].ts_offset = av_rescale_q(codec->delay, + (AVRational){ 1, codec->sample_rate }, + st->time_base); - if (codec->codec_type == AVMEDIA_TYPE_AUDIO && codec->delay) { - mkv->tracks[i].ts_offset = av_rescale_q(codec->delay, - (AVRational){ 1, codec->sample_rate }, - st->time_base); + put_ebml_uint(pb, MATROSKA_ID_CODECDELAY, + av_rescale_q(codec->delay, (AVRational){ 1, codec->sample_rate }, + (AVRational){ 1, 1000000000 })); + } - put_ebml_uint(pb, MATROSKA_ID_CODECDELAY, - av_rescale_q(codec->delay, (AVRational){ 1, codec->sample_rate }, - (AVRational){ 1, 1000000000 })); + // look for a codec ID string specific to mkv to use, + // if none are found, use AVI codes + for (j = 0; ff_mkv_codec_tags[j].id != AV_CODEC_ID_NONE; j++) { + if (ff_mkv_codec_tags[j].id == codec->codec_id) { + put_ebml_string(pb, MATROSKA_ID_CODECID, ff_mkv_codec_tags[j].str); + native_id = 1; + break; } + } + + if (mkv->mode == MODE_WEBM && !(codec->codec_id == AV_CODEC_ID_VP8 || + codec->codec_id == AV_CODEC_ID_VP9 || + codec->codec_id == AV_CODEC_ID_OPUS || + codec->codec_id == AV_CODEC_ID_VORBIS)) { + av_log(s, AV_LOG_ERROR, + "Only VP8 or VP9 video and Vorbis or Opus audio are supported for WebM.\n"); + return AVERROR(EINVAL); + } - // look for a codec ID string specific to mkv to use, - // if none are found, use AVI codes - for (j = 0; ff_mkv_codec_tags[j].id != AV_CODEC_ID_NONE; j++) { - if (ff_mkv_codec_tags[j].id == codec->codec_id) { - put_ebml_string(pb, MATROSKA_ID_CODECID, ff_mkv_codec_tags[j].str); - native_id = 1; + switch (codec->codec_type) { + case AVMEDIA_TYPE_VIDEO: + put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO); + if (st->avg_frame_rate.num > 0 && st->avg_frame_rate.den > 0) + put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1E9 / av_q2d(st->avg_frame_rate)); + + if (!native_id && + ff_codec_get_tag(ff_codec_movvideo_tags, codec->codec_id) && + (!ff_codec_get_tag(ff_codec_bmp_tags, codec->codec_id) || + codec->codec_id == AV_CODEC_ID_SVQ1 || + codec->codec_id == AV_CODEC_ID_SVQ3 || + codec->codec_id == AV_CODEC_ID_CINEPAK)) + qt_id = 1; + + if (qt_id) + put_ebml_string(pb, MATROSKA_ID_CODECID, "V_QUICKTIME"); + else if (!native_id) { + // if there is no mkv-specific codec ID, use VFW mode + put_ebml_string(pb, MATROSKA_ID_CODECID, "V_MS/VFW/FOURCC"); + mkv->tracks[i].write_dts = 1; + } + + subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKVIDEO, 0); + // XXX: interlace flag? + put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELWIDTH , codec->width); + put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELHEIGHT, codec->height); + if ((tag = av_dict_get(s->metadata, "stereo_mode", NULL, 0))) { + uint8_t stereo_fmt = atoi(tag->value); + int valid_fmt = 0; + + switch (mkv->mode) { + case MODE_WEBM: + if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM || + stereo_fmt == MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT) + valid_fmt = 1; + break; + case MODE_MATROSKAv2: + if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_RL) + valid_fmt = 1; break; } - } - if (mkv->mode == MODE_WEBM && !(codec->codec_id == AV_CODEC_ID_VP8 || - codec->codec_id == AV_CODEC_ID_VP9 || - codec->codec_id == AV_CODEC_ID_OPUS || - codec->codec_id == AV_CODEC_ID_VORBIS)) { - av_log(s, AV_LOG_ERROR, - "Only VP8 or VP9 video and Vorbis or Opus audio are supported for WebM.\n"); - return AVERROR(EINVAL); + if (valid_fmt) + put_ebml_uint (pb, MATROSKA_ID_VIDEOSTEREOMODE, stereo_fmt); + } + if (st->sample_aspect_ratio.num) { + int d_width = codec->width*av_q2d(st->sample_aspect_ratio); + put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width); + put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height); + put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYUNIT, 3); } + end_ebml_master(pb, subinfo); + break; + + case AVMEDIA_TYPE_AUDIO: + put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_AUDIO); + + if (!native_id) + // no mkv-specific ID, use ACM mode + put_ebml_string(pb, MATROSKA_ID_CODECID, "A_MS/ACM"); + + subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKAUDIO, 0); + put_ebml_uint (pb, MATROSKA_ID_AUDIOCHANNELS , codec->channels); + put_ebml_float (pb, MATROSKA_ID_AUDIOSAMPLINGFREQ, sample_rate); + if (output_sample_rate) + put_ebml_float(pb, MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, output_sample_rate); + if (bit_depth) + put_ebml_uint(pb, MATROSKA_ID_AUDIOBITDEPTH, bit_depth); + end_ebml_master(pb, subinfo); + break; + + case AVMEDIA_TYPE_SUBTITLE: + put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_SUBTITLE); + if (!native_id) { + av_log(s, AV_LOG_ERROR, "Subtitle codec %d is not supported.\n", codec->codec_id); + return AVERROR(ENOSYS); + } + break; + default: + av_log(s, AV_LOG_ERROR, "Only audio, video, and subtitles are supported for Matroska.\n"); + break; + } + ret = mkv_write_codecprivate(s, pb, codec, native_id, qt_id); + if (ret < 0) + return ret; - switch (codec->codec_type) { - case AVMEDIA_TYPE_VIDEO: - put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO); - if (st->avg_frame_rate.num > 0 && st->avg_frame_rate.den > 0) - put_ebml_uint(pb, MATROSKA_ID_TRACKDEFAULTDURATION, 1E9 / av_q2d(st->avg_frame_rate)); - - if (!native_id && - ff_codec_get_tag(ff_codec_movvideo_tags, codec->codec_id) && - (!ff_codec_get_tag(ff_codec_bmp_tags, codec->codec_id) || - codec->codec_id == AV_CODEC_ID_SVQ1 || - codec->codec_id == AV_CODEC_ID_SVQ3 || - codec->codec_id == AV_CODEC_ID_CINEPAK)) - qt_id = 1; - - if (qt_id) - put_ebml_string(pb, MATROSKA_ID_CODECID, "V_QUICKTIME"); - else if (!native_id) { - // if there is no mkv-specific codec ID, use VFW mode - put_ebml_string(pb, MATROSKA_ID_CODECID, "V_MS/VFW/FOURCC"); - mkv->tracks[i].write_dts = 1; - } + end_ebml_master(pb, track); - subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKVIDEO, 0); - // XXX: interlace flag? - put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELWIDTH , codec->width); - put_ebml_uint (pb, MATROSKA_ID_VIDEOPIXELHEIGHT, codec->height); - if ((tag = av_dict_get(s->metadata, "stereo_mode", NULL, 0))) { - uint8_t stereo_fmt = atoi(tag->value); - int valid_fmt = 0; - - switch (mkv->mode) { - case MODE_WEBM: - if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM || - stereo_fmt == MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT) - valid_fmt = 1; - break; - case MODE_MATROSKAv2: - if (stereo_fmt <= MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_RL) - valid_fmt = 1; - break; - } + return 0; +} - if (valid_fmt) - put_ebml_uint (pb, MATROSKA_ID_VIDEOSTEREOMODE, stereo_fmt); - } - if (st->sample_aspect_ratio.num) { - int d_width = codec->width*av_q2d(st->sample_aspect_ratio); - put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width); - put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height); - put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYUNIT, 3); - } - end_ebml_master(pb, subinfo); - break; +static int mkv_write_tracks(AVFormatContext *s) +{ + MatroskaMuxContext *mkv = s->priv_data; + AVIOContext *pb = s->pb; + ebml_master tracks; + int i, ret; - case AVMEDIA_TYPE_AUDIO: - put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_AUDIO); - - if (!native_id) - // no mkv-specific ID, use ACM mode - put_ebml_string(pb, MATROSKA_ID_CODECID, "A_MS/ACM"); - - subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKAUDIO, 0); - put_ebml_uint (pb, MATROSKA_ID_AUDIOCHANNELS , codec->channels); - put_ebml_float (pb, MATROSKA_ID_AUDIOSAMPLINGFREQ, sample_rate); - if (output_sample_rate) - put_ebml_float(pb, MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, output_sample_rate); - if (bit_depth) - put_ebml_uint(pb, MATROSKA_ID_AUDIOBITDEPTH, bit_depth); - end_ebml_master(pb, subinfo); - break; + ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_TRACKS, avio_tell(pb)); + if (ret < 0) + return ret; - case AVMEDIA_TYPE_SUBTITLE: - put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_SUBTITLE); - if (!native_id) { - av_log(s, AV_LOG_ERROR, "Subtitle codec %d is not supported.\n", codec->codec_id); - return AVERROR(ENOSYS); - } - break; - default: - av_log(s, AV_LOG_ERROR, "Only audio, video, and subtitles are supported for Matroska.\n"); - break; - } - ret = mkv_write_codecprivate(s, pb, codec, native_id, qt_id); + tracks = start_ebml_master(pb, MATROSKA_ID_TRACKS, 0); + for (i = 0; i < s->nb_streams; i++) { + ret = mkv_write_track(s, mkv, i, pb); if (ret < 0) return ret; - - end_ebml_master(pb, track); } end_ebml_master(pb, tracks); return 0; |