[FFmpeg-devel] [PATCH v3 1/3] tests/fate/flvenc: add hevc in enhanced flv test case

[Andreas Rheinhardt]

Steven Liu:
> Andreas Rheinhardt <andreas.rheinhardt at outlook.com> 于2023年7月19日周三 18:32写道：
>>
>> Steven Liu:
>>> Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
>>> ---
>>>  tests/fate/flvenc.mak            | 7 ++++++-
>>>  tests/ref/fate/enhanced-flv-hevc | 8 ++++++++
>>>  2 files changed, 14 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..6b2fbe8c89 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, MOV, FLV_MUXER) += fate-enhanced-flv-hevc
>>> +fate-enhanced-flv-hevc: CMD = transcode mov $(TARGET_SAMPLES)/hevc/dv84.mov\
>>> +             flv "-vcodec copy -map 0:v -frames 1"
>>> +
>>>  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) $(FATE_ENHANCED_FLVENC_FFMPEG-yes)
>>> diff --git a/tests/ref/fate/enhanced-flv-hevc b/tests/ref/fate/enhanced-flv-hevc
>>> new file mode 100644
>>> index 0000000000..41eaefaf6e
>>> --- /dev/null
>>> +++ b/tests/ref/fate/enhanced-flv-hevc
>>> @@ -0,0 +1,8 @@
>>> +afed0105d121688bad7dc94218256571 *tests/data/fate/enhanced-flv-hevc.flv
>>> +64396 tests/data/fate/enhanced-flv-hevc.flv
>>> +#tb 0: 1/30
>>> +#media_type 0: video
>>> +#codec_id 0: rawvideo
>>> +#dimensions 0: 1920x1080
>>> +#sar 0: 0/1
>>> +0,          0,          0,        1,  6220800, 0x1f259c93
>>
>> Why are you restricting this to one frame? And why are you not copying
>> the audio, too (this would test multiplexing)? After all, FLV supports AAC.
>> Furthermore, you are copying the video when creating the intermediate
>> FLV file, yet then you are decoding it at the next stage. This decoding
>> would necessitate a dependency on the HEVC decoder (and maybe the parser
>> as well as the extract_extradata bsf?). Alternatively, one can just use
>> codec copy when reading the intermediate file as well (the latter is my
>> preferred approach).
>> The same remarks also apply to the other patches.
> Hi Andreas,
> 
> 
> What about do it like this:
> 
> FATE_ENHANCED_FLVENC_FFMPEG-$(call TRANSCODE, RAWVIDEO HEVC, FLV MOV,
> HEVCPARSE) += fate-enhanced-flv-hevc
> fate-enhanced-flv-hevc: CMD = transcode mov $(TARGET_SAMPLES)/hevc/dv84.mov\
>         flv "-c copy" "-af aresample"
> 

You would not need to resample when you simply copied the stuff instead
of decoding.

- Andreas