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-rw-r--r--libavformat/movenc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 6a4e16a..8b0a579 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -2368,10 +2368,12 @@ static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
avio_wb32(pb, track->enc->width << 16);
avio_wb32(pb, track->height << 16);
} else {
- double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
- if (!sample_aspect_ratio || track->height != track->enc->height)
- sample_aspect_ratio = 1;
- avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
+ int64_t track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
+ track->enc->width * 0x10000LL,
+ st->sample_aspect_ratio.den);
+ if (!track_width_1616 || track->height != track->enc->height)
+ track_width_1616 = track->enc->width * 0x10000;
+ avio_wb32(pb, track_width_1616);
avio_wb32(pb, track->height * 0x10000);
}
} else {
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