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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2023-09-29 17:32:59 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2023-10-02 12:22:20 +0200 |
| commit | 259e1d2bd7edd17e6cd64f0fb2b0e66fe49c846a (patch) | |
| tree | 108f34bde0b26db47a489f669f5877c294b145c6 /libavformat | |
| parent | 0c1103d4dc4c6af56b09df6d4ecb252606666d7b (diff) | |
| download | ffmpeg-259e1d2bd7edd17e6cd64f0fb2b0e66fe49c846a.tar.gz | |
avformat/matroskaenc: Write default duration for audio
This is easily possible for those codecs with a fixed frame-size
(in samples).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/matroskaenc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 9286932a08..9d1c8946cd 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -61,6 +61,7 @@ #include "libavcodec/av1.h" #include "libavcodec/bytestream.h" #include "libavcodec/codec_desc.h" +#include "libavcodec/codec_par.h" #include "libavcodec/defs.h" #include "libavcodec/xiph.h" #include "libavcodec/mpeg4audio.h" @@ -1926,6 +1927,8 @@ static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv, switch (par->codec_type) { AVRational frame_rate; + int audio_frame_samples; + case AVMEDIA_TYPE_VIDEO: mkv->have_video = 1; put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_VIDEO); @@ -1991,6 +1994,10 @@ static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv, put_ebml_uint(pb, MATROSKA_ID_TRACKTYPE, MATROSKA_TRACK_TYPE_AUDIO); + audio_frame_samples = av_get_audio_frame_duration2(par, 0); + if (audio_frame_samples) + mkv_write_default_duration(track, pb, (AVRational){ audio_frame_samples, + par->sample_rate }); if (!native_id) // no mkv-specific ID, use ACM mode put_ebml_string(pb, MATROSKA_ID_CODECID, "A_MS/ACM"); |