diff options
Diffstat (limited to 'libavformat/matroskaenc.c')
| -rw-r--r-- | libavformat/matroskaenc.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 62e2d57ab9..e5e61169dd 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -85,6 +85,7 @@ typedef struct { typedef struct { int write_dts; int has_cue; + int64_t ts_offset; } mkv_track; #define MODE_MATROSKAv2 0x01 @@ -694,13 +695,17 @@ static int mkv_write_tracks(AVFormatContext *s) } } + if (codec->codec_type == AVMEDIA_TYPE_AUDIO && codec->delay && codec->codec_id == AV_CODEC_ID_OPUS) { +// 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 })); + } if (codec->codec_id == AV_CODEC_ID_OPUS) { - uint64_t codec_delay =av_rescale_q(codec->delay, - (AVRational){1, codec->sample_rate}, - (AVRational){1, 1000000000}); - put_ebml_uint(pb, MATROSKA_ID_CODECDELAY, codec_delay); put_ebml_uint(pb, MATROSKA_ID_SEEKPREROLL, OPUS_SEEK_PREROLL); - } if (mkv->mode == MODE_WEBM && !(codec->codec_id == AV_CODEC_ID_VP8 || @@ -1549,6 +1554,7 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt) av_log(s, AV_LOG_ERROR, "Can't write packet with unknown timestamp\n"); return AVERROR(EINVAL); } + ts += mkv->tracks[pkt->stream_index].ts_offset; if (!s->pb->seekable) { if (!mkv->dyn_bc) { @@ -1614,6 +1620,7 @@ static int mkv_write_packet(AVFormatContext *s, AVPacket *pkt) cluster_time = pkt->dts - mkv->cluster_pts; else cluster_time = pkt->pts - mkv->cluster_pts; + cluster_time += mkv->tracks[pkt->stream_index].ts_offset; // start a new cluster every 5 MB or 5 sec, or 32k / 1 sec for streaming or // after 4k and on a keyframe |