[FFmpeg-trac] #6276(avcodec:new): h264_vaapi & nvenc do not preserve aspect ratio changes
FFmpeg
trac at avcodec.org
Sun Nov 17 15:48:37 EET 2019
#6276: h264_vaapi & nvenc do not preserve aspect ratio changes
-------------------------------------+-------------------------------------
Reporter: Tom_B | Owner:
Type: defect | Status: new
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: vaapi nvenc | Blocked By:
aspect |
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Comment (by tvsht):
Replying to [comment:12 fulinjie]:
> Hi yurtesen/Carl,
>
> This patch helps to preserve the aspect ratio changes for VAAPI:
> https://patchwork.ffmpeg.org/patch/16245/
>
> Would you please help to verify?
>
>
> BTW, similar issue existed in QSV. It could be addressed next.
> {{{
> ffmpeg -hwaccel vaapi -i 80_aspect_ratio_change_cut.h264 -y -g 30 -c:v
h264_qsv -qp 20 -sn qsv.ts
> }}}
>
Patched it and it still ends mangled [amdgpu]
sample file: [40MB]
https://send.firefox.com/download/c48ebf7304f8a60f/#i5ZJ3Zdz1rjnz8lBxgjeaQ
end result: [27MB]
https://send.firefox.com/download/42933b87d649abee/#2CJQHnxFiF6FV8F1PnHsIw
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6276#comment:13>
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