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movenc: Write 'colr' box correctly for MP4

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This also restricts it to MOV and MP4, since it is only
defined for those formats.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Derek Buitenhuis 2015-02-26 13:47:01 +00:00
parent 3e0ae19f86
commit a22032281c
2 changed files with 24 additions and 7 deletions
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29
libavformat/movenc.c
View File

@ -1521,7 +1521,8 @@ static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
{
// Ref: https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
// Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
// Ref (MP4): ISO/IEC 14496-12:2012
if (track->enc->color_primaries == AVCOL_PRI_UNSPECIFIED &&
track->enc->color_trc == AVCOL_TRC_UNSPECIFIED &&
@ -1553,9 +1554,15 @@ static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
}
}
avio_wb32(pb, 18);
/* We should only ever be called by MOV or MP4. */
av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
avio_wb32(pb, 18 + (track->mode == MODE_MP4));
ffio_wfourcc(pb, "colr");
ffio_wfourcc(pb, "nclc");
if (track->mode == MODE_MP4)
ffio_wfourcc(pb, "nclx");
else
ffio_wfourcc(pb, "nclc");
switch (track->enc->color_primaries) {
case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
case AVCOL_PRI_SMPTE170M:
@ -1576,7 +1583,13 @@ static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
default: avio_wb16(pb, 2);
}
return 18;
if (track->mode == MODE_MP4) {
int full_range = track->enc->color_range == AVCOL_RANGE_JPEG;
avio_w8(pb, full_range << 7);
return 19;
} else {
return 18;
}
}
static void find_compressor(char * compressor_name, int len, MOVTrack *track)
@ -1687,8 +1700,12 @@ static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *tr
if (track->enc->field_order != AV_FIELD_UNKNOWN)
mov_write_fiel_tag(pb, track);
if (mov->flags & FF_MOV_FLAG_WRITE_COLR)
mov_write_colr_tag(pb, track);
if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
if (track->mode == MODE_MOV || track->mode == MODE_MP4)
mov_write_colr_tag(pb, track);
else
av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
}
if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {

2
libavformat/version.h
View File

@ -31,7 +31,7 @@
#define LIBAVFORMAT_VERSION_MAJOR 56
#define LIBAVFORMAT_VERSION_MINOR 23
#define LIBAVFORMAT_VERSION_MICRO 105
#define LIBAVFORMAT_VERSION_MICRO 106
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \