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

[Ulf Zibis]

Hi again,

Am 19.03.19 um 17:31 schrieb Carl Eugen Hoyos:
>>  122670 decicycles in fillborders=0:0:5:5:mirror 3p-8bit-1x1,
>> 1 runs,      0 skips
> One run is not good.
> Either use the loop option to filter the same frame again and
> again or feed a video to ffmpeg.

Do you mean the following option? Unfortunately I still see only 1 run.

I know, that it works with "-vf -loop=loop=1024:size=1:start=0", but I
ask, because I want to understand the purpose of the shorter option
"-loop number".

./ffmpeg-p7b -y -i debug/8.jpg -loop 1024 -vf
fillborders=25:25:25:25:mirror debug/ZZ_8_mirror-25-25-25-25.jpg
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
Input #0, image2, from 'debug/8.jpg':
  Duration: 00:00:00.04, start: 0.000000, bitrate: 39119 kb/s
    Stream #0:0: Video: mjpeg (Lossless), gray(bt470bg/unknown/unknown),
640x480 [SAR 96:96 DAR 4:3], lossless, 25 tbr, 25 tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (mjpeg (native) -> mjpeg (native))
Press [q] to stop, [?] for help
[swscaler @ 0x560c9b036400] deprecated pixel format used, make sure you
did set range correctly
 968130 decicycles in fillborders=25:25:25:25:mirror 1p-8bit-0x0,      
1 runs,      0 skips
Output #0, image2, to 'debug/ZZ_8_mirror-25-25-25-25.jpg':
  Metadata:
    encoder         : Lavf58.26.101
    Stream #0:0: Video: mjpeg, yuvj444p(pc), 640x480 [SAR 1:1 DAR 4:3],
q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
    Metadata:
      encoder         : Lavc58.47.105 mjpeg
    Side data:
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
frame=    1 fps=0.0 q=6.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
speed=1.69x   
video:34kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown