[FFmpeg-devel] [Patch] beautified + accelerated vf_fillborders – Please review

[Ulf Zibis]

Am 26.03.19 um 16:26 schrieb Nicolas George:
>
> Try testsrc2.
Bad news:

ich at T500:~/Projects/ffmpeg/dev$ ./ffmpeg-p7b testsrc2 -loop 1024 -vf
fillborders=25:25:25:25:mirror -f null -
ffmpeg version N-93458-g18429ce896 Copyright (c) 2000-2019 the FFmpeg
developers
  built with gcc 7 (Ubuntu 7.3.0-27ubuntu1~18.04)
  configuration:
  libavutil      56. 26.100 / 56. 26.100
  libavcodec     58. 47.105 / 58. 47.105
  libavformat    58. 26.101 / 58. 26.101
  libavdevice    58.  7.100 / 58.  7.100
  libavfilter     7. 48.100 /  7. 48.100
  libswscale      5.  4.100 /  5.  4.100
  libswresample   3.  4.100 /  3.  4.100
[NULL @ 0x5636e78ba900] Unable to find a suitable output format for
'testsrc2'
testsrc2: Invalid argument
ich at T500:~/Projects/ffmpeg/dev$ ./ffmpeg-p7b -f lavfi testsrc2 -loop
1024 -vf fillborders=25:25:25:25:mirror -f null -
ffmpeg version N-93458-g18429ce896 Copyright (c) 2000-2019 the FFmpeg
developers
  built with gcc 7 (Ubuntu 7.3.0-27ubuntu1~18.04)
  configuration:
  libavutil      56. 26.100 / 56. 26.100
  libavcodec     58. 47.105 / 58. 47.105
  libavformat    58. 26.101 / 58. 26.101
  libavdevice    58.  7.100 / 58.  7.100
  libavfilter     7. 48.100 /  7. 48.100
  libswscale      5.  4.100 /  5.  4.100
  libswresample   3.  4.100 /  3.  4.100
[NULL @ 0x564b7e1fb940] Requested output format 'lavfi' is not a
suitable output format
testsrc2: Invalid argument

Anyway this test video is not really appropriate for my tests with
fillborders filter:
1.) The edges are mostly monotone, so I would hardly see an effect after
mirroring the borders
2.) I still want to see the performance on single pictures.

-Ulf