diff options
| author | Martin Storsjö <martin@martin.st> | 2012-01-28 00:28:19 +0200 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2012-02-18 00:03:30 +0200 |
| commit | 99a357f4c5091293bc42cb4bbd7bcae6a2624584 (patch) | |
| tree | 0f71876aef540f949c99e30ae7faf2a91d5e40a2 | |
| parent | af468015d972c0dec5c8c37b2685ffa5cbe4ae87 (diff) | |
movenc: Write track durations with all bits set if duration is unknown
According to 14496-12, the duration should be all 1s if
the duration is unknown. This is the case if writing a moov
atom without any samples described in it (e.g. as in ismv files).
Signed-off-by: Martin Storsjö <martin@martin.st>
| -rw-r--r-- | libavformat/movenc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c index ace7b2f186..58d3c56e0a 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -1317,7 +1317,10 @@ static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track) avio_wb32(pb, track->time); /* modification time */ } avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */ - (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */ + if (!track->entry) + (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff); + else + (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */ avio_wb16(pb, track->language); /* language */ avio_wb16(pb, 0); /* reserved (quality) */ @@ -1361,7 +1364,10 @@ static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) } avio_wb32(pb, track->track_id); /* track-id */ avio_wb32(pb, 0); /* reserved */ - (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); + if (!track->entry) + (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff); + else + (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); avio_wb32(pb, 0); /* reserved */ avio_wb32(pb, 0); /* reserved */ |