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avformat/mov: improve timecode calculation

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Fixes timecode calculation for NTSC frame rates.
Fixes ticket #5978.
This commit is contained in:
Paul B Mahol 2019-08-22 18:14:15 +02:00
parent d063f13700
commit 428b4aacb1
2 changed files with 3 additions and 3 deletions
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4
libavformat/mov.c
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@ -2304,8 +2304,8 @@ static int mov_parse_stsd_data(MOVContext *c, AVIOContext *pb,
int val;
val = AV_RB32(st->codecpar->extradata + 4);
tmcd_ctx->tmcd_flags = val;
st->avg_frame_rate.num = st->codecpar->extradata[16]; /* number of frame */
st->avg_frame_rate.den = 1;
st->avg_frame_rate.num = AV_RB32(st->codecpar->extradata + 8); /* timescale */
st->avg_frame_rate.den = AV_RB32(st->codecpar->extradata + 12); /* frameDuration */
#if FF_API_LAVF_AVCTX
FF_DISABLE_DEPRECATION_WARNINGS
st->codec->time_base = av_inv_q(st->avg_frame_rate);

2
tests/ref/fate/copy-trac236
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@ -1,4 +1,4 @@
959a4d78c6c11936e361fc3101a013eb *tests/data/fate/copy-trac236.mov
984a33c6292e3d35e2cfdfbf66d8e82b *tests/data/fate/copy-trac236.mov
630860 tests/data/fate/copy-trac236.mov
#tb 0: 100/2997
#media_type 0: video