Re: [FFmpeg-devel] [PATCH v5 1/3] tests/fate/flvenc: add hevc in enhanced flv test case

[Andreas Rheinhardt <andreas.rheinhardt@outlook.com>]

Steven Liu:
> Andreas Rheinhardt <andreas.rheinhardt@outlook.com> 于2023年7月24日周一 15:36写道：
>>
>> Steven Liu:
>>> Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
>>> ---
>>>  tests/fate/flvenc.mak            |   7 +-
>>>  tests/ref/fate/enhanced-flv-hevc | 256 +++++++++++++++++++++++++++++++
>>>  2 files changed, 262 insertions(+), 1 deletion(-)
>>>  create mode 100644 tests/ref/fate/enhanced-flv-hevc
>>>
>>> diff --git a/tests/fate/flvenc.mak b/tests/fate/flvenc.mak
>>> index 5032fface3..f34c595f88 100644
>>> --- a/tests/fate/flvenc.mak
>>> +++ b/tests/fate/flvenc.mak
>>> @@ -1,5 +1,10 @@
>>>  FATE_FLVENC_FFMPEG_FFPROBE-$(call TRANSCODE, FLV, FLV, RAWVIDEO_DECODER SCALE_FILTER TESTSRC_FILTER LAVFI_INDEV) += fate-flv-add_keyframe_index
>>>  fate-flv-add_keyframe_index: CMD = transcode "lavfi -graph testsrc=r=7:n=2:d=20" "foo" flv "-vf scale -c:v flv1 -dct int -g 7 -flvflags add_keyframe_index" "-c copy -t 0.1" "-show_entries format_tags"
>>>
>>> +FATE_ENHANCED_FLVENC_FFMPEG-$(call REMUX, FLV MOV, FLV_DEMUXER HEVC_PARSER) += fate-enhanced-flv-hevc
>>> +fate-enhanced-flv-hevc: CMD = stream_remux mov $(TARGET_SAMPLES)/hevc/dv84.mov\
>>> +             flv "-c copy" "-c copy"
>>> +
>>>  FATE_FFMPEG_FFPROBE += $(FATE_FLVENC_FFMPEG_FFPROBE-yes)
>>> -fate-flvenc: $(FATE_FLVENC_FFMPEG_FFPROBE-yes)
>>> +FATE_SAMPLES_FFMPEG += $(FATE_ENHANCED_FLVENC_FFMPEG-yes)
>>> +fate-flvenc: $(FATE_FLVENC_FFMPEG_FFPROBE-yes) $(FATE_ENHANCED_FLVENC_FFMPEG-yes)
>>> diff --git a/tests/ref/fate/enhanced-flv-hevc b/tests/ref/fate/enhanced-flv-hevc
>>> new file mode 100644
>>> index 0000000000..774c5e6df4
>>> --- /dev/null
>>> +++ b/tests/ref/fate/enhanced-flv-hevc
>>> @@ -0,0 +1,256 @@
>>
>> stream_remux does not provide a checksum of the intermediate file and
>> also does not report its size. This seems intended for the AV1 file, yet
>> it is unnecessary for HEVC and VP9 where we don't run into the problem
>> of not having a native decoder. Here not having this info is a malus.
> only use stream_remux for AV1?
>>

That would be one solution. Another solution is to use
"-nofind_stream_info" which will bypass the part of libavformat that
calls the decoder. See the fate-webm-av1-extradata-update test for an
example.

- Andreas

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