[FFmpeg-trac] #8376(avcodec:new): hevc_vaapi loses aspect ratio during encoding

FFmpeg trac at avcodec.org
Mon Nov 11 17:56:52 EET 2019


#8376: hevc_vaapi loses aspect ratio during encoding
-------------------------------------+-------------------------------------
             Reporter:  yurtesen     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  vaapi, amd,  |               Blocked By:
  hevc, aspect, mesa, radeon         |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by yurtesen):

 * version:  4.1.4 => git-master


Comment:

 Tested with git-master and same problem exists:

 {{{
  ./ffmpeg -vaapi_device /dev/dri/renderD128 -i yks.ts -vf
 'format=nv12,hwupload' -c:v hevc_vaapi -qp 30 -c:a copy out.ts
 ffmpeg version N-95710-gb25b6432a7 Copyright (c) 2000-2019 the FFmpeg
 developers
   built with gcc 8 (Ubuntu 8.3.0-23ubuntu2)
   configuration: --enable-vaapi
   libavutil      56. 35.101 / 56. 35.101
   libavcodec     58. 61.100 / 58. 61.100
   libavformat    58. 34.101 / 58. 34.101
   libavdevice    58.  9.100 / 58.  9.100
   libavfilter     7. 66.100 /  7. 66.100
   libswscale      5.  6.100 /  5.  6.100
   libswresample   3.  6.100 /  3.  6.100
 Input #0, mpegts, from 'yks.ts':
   Duration: 00:00:10.84, start: 1.400000, bitrate: 776 kb/s
   Program 1
     Metadata:
       service_name    : Service01
       service_provider: FFmpeg
     Stream #0:0[0x100]: Video: hevc (Main) ([36][0][0][0] / 0x0024),
 yuv420p(tv), 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 25 tbc
     Stream #0:1[0x101](fin): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
 stereo, fltp, 192 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (hevc (native) -> hevc (hevc_vaapi))
   Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 [hevc_vaapi @ 0x55980faa94c0] Driver does not support some wanted packed
 headers (wanted 0xd, found 0).
 Output #0, mpegts, to 'out.ts':
   Metadata:
     encoder         : Lavf58.34.101
     Stream #0:0: Video: hevc (hevc_vaapi) (Main), vaapi_vld, 720x576 [SAR
 64:45 DAR 16:9], q=-1--1, 25 fps, 90k tbn, 25 tbc
     Metadata:
       encoder         : Lavc58.61.100 hevc_vaapi
     Stream #0:1(fin): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
 stereo, fltp, 192 kb/s
 frame=  261 fps=0.0 q=-0.0 Lsize=     969kB time=00:00:10.80 bitrate=
 735.3kbits/s speed=16.2x
 video:634kB audio:248kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 9.996099%

 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8376#comment:2>
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