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avformat/movenc: write clap atom for uncompressed yuv in mov 

fixes 6145

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Dave Rice 2017-11-18 21:19:23 -05:00 committed by Michael Niedermayer
parent 1e5f923416
commit 8f4702a93f
1 changed files with 19 additions and 0 deletions
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19
libavformat/movenc.c
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@ -1686,6 +1686,21 @@ static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMa
return update_size(pb, sv3d_pos);
}
static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
{
avio_wb32(pb, 40);
ffio_wfourcc(pb, "clap");
avio_wb32(pb, track->par->width); /* apertureWidth_N */
avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
avio_wb32(pb, track->height); /* apertureHeight_N */
avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
avio_wb32(pb, 0); /* horizOff_N (= 0) */
avio_wb32(pb, 1); /* horizOff_D (= 1) */
avio_wb32(pb, 0); /* vertOff_N (= 0) */
avio_wb32(pb, 1); /* vertOff_D (= 1) */
return 40;
}
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
{
AVRational sar;
@ -1984,6 +1999,10 @@ static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *tr
mov_write_pasp_tag(pb, track);
}
if (uncompressed_ycbcr){
mov_write_clap_tag(pb, track);
}
if (mov->encryption_scheme != MOV_ENC_NONE) {
ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
}