[FFmpeg-trac] #5685(undetermined:new): scale_vaapi does not scale full image, but crops to upper left corner instead

FFmpeg trac at avcodec.org
Sat Jul 2 09:37:53 CEST 2016

#5685: scale_vaapi does not scale full image, but crops to upper left corner
             Reporter:               |                    Owner:
  radek.hvizdos                      |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  scale_vaapi  |               Blocked By:
  h264                               |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |

Comment (by radek.hvizdos):

 Hmm, at least I know this feature works for some.

 I am on:

 Linux ike 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08) x86_64
 Intel(R) Celeron(R) CPU  N2830  @ 2.16GHz

 error: can't connect to X server!
 libva info: VA-API version 0.36.0
 libva info: va_getDriverName() returns 0
 libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
 libva info: Found init function __vaDriverInit_0_36
 libva info: va_openDriver() returns 0
 vainfo: VA-API version: 0.36 (libva 1.4.1)
 vainfo: Driver version: Intel i965 driver for Intel(R) Bay Trail - 1.4.1
 vainfo: Supported profile and entrypoints
       VAProfileMPEG2Simple            : VAEntrypointVLD
       VAProfileMPEG2Simple            : VAEntrypointEncSlice
       VAProfileMPEG2Main              : VAEntrypointVLD
       VAProfileMPEG2Main              : VAEntrypointEncSlice
       VAProfileH264ConstrainedBaseline: VAEntrypointVLD
       VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
       VAProfileH264Main               : VAEntrypointVLD
       VAProfileH264Main               : VAEntrypointEncSlice
       VAProfileH264High               : VAEntrypointVLD
       VAProfileH264High               : VAEntrypointEncSlice
       VAProfileH264StereoHigh         : VAEntrypointVLD
       VAProfileVC1Simple              : VAEntrypointVLD
       VAProfileVC1Main                : VAEntrypointVLD
       VAProfileVC1Advanced            : VAEntrypointVLD
       VAProfileNone                   : VAEntrypointVideoProc
       VAProfileJPEGBaseline           : VAEntrypointVLD

 Could this issue be caused by a HW bug, libva version or kernel version? I
 would like to limit the changes I make to this system, if possible.


Ticket URL: <https://trac.ffmpeg.org/ticket/5685#comment:2>
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