ffmpeg-bb/tests/ref/fate/matroska-mastering-display-metadata
Andreas Rheinhardt 96d4bcbcd8 avformat/matroskaenc: Use native id V_FFV1 instead of V_MS/VFW/FOURCC
Up until now, our muxer wrote FFV1 in video-for-windows
compatibility mode out of concern for old demuxers that
only support that (whereas the demuxer accepts V_FFV1).
This commit switches to using native mode, because
a) V_FFV1 is around long enough so that old demuxers
should not be an issue (support in FFmpeg has been added
in commit 9ae762da7e
in March 2017/FFmpeg 3.3),
b) using native mode uses fewer bytes for the CodecPrivate,
c) the VfW extradata is zero-padded to an even length
if necessary, but our demuxer forgot to undo the padding
until very recently (92e310eb82),
so that there are many versions of our demuxer around that
are buggy wrt VFW, but not V_FFV1.
This affects the FFV1 extradata checksums, specifically
the (experimental) version 4 files with error check version 2*
as created by
ffmpeg -i ../fate-suite/mpeg2/sony-ct3.bs -c:v ffv1 \
-slices 16 -frames 1 -level 4 -strict experimental ffv1.mkv
VFW files like the above created by this muxer before this patch
would not work with an old demuxer.

*: Without error check version 2, the CRC for the whole extradata
is zero, which is not changed by appending a zero byte.

Reviewed-by: compn <ff@hawaiiantel.net>
Reviewed-by: Dave Rice <dave@dericed.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2025-05-28 02:42:36 +02:00

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bdca53906b34c57192416a0f737b885e *tests/data/fate/matroska-mastering-display-metadata.matroska
1669723 tests/data/fate/matroska-mastering-display-metadata.matroska
#extradata 0: 4, 0x040901a3
#extradata 3: 201, 0x9a706279
#tb 0: 1/1000
#media_type 0: video
#codec_id 0: prores
#dimensions 0: 1280x720
#sar 0: 1/1
#tb 1: 1/1000
#media_type 1: audio
#codec_id 1: pcm_s24le
#sample_rate 1: 48000
#channel_layout_name 1: mono
#tb 2: 1/1000
#media_type 2: audio
#codec_id 2: pcm_s16be
#sample_rate 2: 48000
#channel_layout_name 2: mono
#tb 3: 1/1000
#media_type 3: video
#codec_id 3: ffv1
#dimensions 3: 1280x720
#sar 3: 1/1
0, 0, 0, 16, 57008, 0x43416399
1, 0, 0, 16, 2403, 0xaa818522
3, 0, 0, 16, 274884, 0x775840e5
0, 17, 17, 16, 57248, 0xa06cd7b5
1, 17, 17, 16, 2403, 0xe1a991e5
2, 17, 17, 16, 1602, 0x5d868171
3, 17, 17, 16, 273716, 0xa41fc5e3, F=0x0
0, 33, 33, 16, 57200, 0x5623da10
1, 33, 33, 16, 2400, 0x6650907f
2, 33, 33, 16, 1600, 0xa90f0044
3, 33, 33, 16, 272838, 0x3c308d03, F=0x0
0, 50, 50, 16, 57152, 0x52d89d3f
1, 50, 50, 16, 2403, 0x43398a08
2, 50, 50, 16, 1602, 0x3a350084
3, 50, 50, 16, 271251, 0xe802cc77, F=0x0
0, 67, 67, 16, 56960, 0x431d5189
1, 67, 67, 16, 2403, 0x61cd96cb
2, 67, 67, 16, 1602, 0xd74800c6
3, 67, 67, 16, 270553, 0x36d83705, F=0x0
[STREAM]
index=0
codec_name=prores
[SIDE_DATA]
side_data_type=Content light level metadata
max_content=1000
max_average=100
[/SIDE_DATA]
[SIDE_DATA]
side_data_type=Mastering display metadata
red_x=17/25
red_y=8/25
green_x=53/200
green_y=69/100
blue_x=3/20
blue_y=3/50
white_point_x=3127/10000
white_point_y=329/1000
min_luminance=0/1
max_luminance=1000/1
[/SIDE_DATA]
[/STREAM]
[STREAM]
index=1
codec_name=pcm_s24le
[/STREAM]
[STREAM]
index=2
codec_name=pcm_s16be
[/STREAM]
[STREAM]
index=3
codec_name=ffv1
[SIDE_DATA]
side_data_type=Content light level metadata
max_content=1000
max_average=100
[/SIDE_DATA]
[SIDE_DATA]
side_data_type=Mastering display metadata
red_x=17/25
red_y=8/25
green_x=53/200
green_y=69/100
blue_x=3/20
blue_y=3/50
white_point_x=3127/10000
white_point_y=329/1000
min_luminance=0/1
max_luminance=1000/1
[/SIDE_DATA]
[/STREAM]