[FFmpeg-trac] #8993(avcodec:new): vaapi_encode.c example makes the invalid stream

FFmpeg trac at avcodec.org
Thu Nov 19 14:48:44 EET 2020


#8993: vaapi_encode.c example makes the invalid stream
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             Reporter:  Wohlstand     |                    Owner:
                 Type:  defect        |                   Status:  new
             Priority:  important     |                Component:  avcodec
              Version:  git-master    |               Resolution:
             Keywords:  vaapi encode  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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Comment (by Wohlstand):

 I share the set of files:

 https://yadi.sk/d/9igsI_2lnwAL2Q

 - 03082013354.mp4 - original video
 - 03082013354.yuv.lzma - complressed raw uncompressed NV12 YUV stream
 - 03082013354.h264 - the result of encoding

 The original video has 27 fps. The encode was done with 25 fps, but, that
 does't matter, because I have the literal loss of frames while playing the
 video, the VLC tells that I lost the almost half of frames while playing.

 I used the original doc/examples/vaapi_encode.c example to process the
 video. the YUV stream I made with the console ffmpeg.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8993#comment:1>
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