[FFmpeg-trac] #7819(ffmpeg:new): It appears the overlay filter doesn't like odd numbers?..

[FFmpeg]

#7819: It appears the overlay filter doesn't like odd numbers?..
-------------------------------------+-------------------------------------
             Reporter:  gdgsdg123    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:  git-
             Keywords:  overlay,     |  master
  odd number                         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Build from:
 [https://ffmpeg.zeranoe.com/builds/win64/static/ffmpeg-20190329-9dece05-win64-static.zip]
 {{{
 C:\>ffmpeg -i "128x128.png" -i "64x64.png" -filter_complex overlay=1:1
 "test.png"
 ffmpeg version N-93482-g9dece050ef Copyright (c) 2000-2019 the FFmpeg
 developers
   built with gcc 8.2.1 (GCC) 20190212
   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
 fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
 libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame
 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
 --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-
 libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa
 --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx
 --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-
 nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
   libavutil      56. 26.100 / 56. 26.100
   libavcodec     58. 47.106 / 58. 47.106
   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
   libpostproc    55.  4.100 / 55.  4.100
 Input #0, png_pipe, from 'C:\128x128.png':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: png, rgb24(pc), 128x128 [SAR 2835:2835 DAR 1:1],
 25 tbr, 25 tbn, 25 tbc
 Input #1, png_pipe, from 'C:\64x64.png':
   Duration: N/A, bitrate: N/A
     Stream #1:0: Video: png, rgb24(pc), 64x64 [SAR 2835:2835 DAR 1:1], 25
 tbr, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 (png) -> overlay:main
   Stream #1:0 (png) -> overlay:overlay
   overlay -> Stream #0:0 (png)
 Press [q] to stop, [?] for help
 Output #0, image2, to 'test.png':
   Metadata:
     encoder         : Lavf58.26.101
     Stream #0:0: Video: png, rgba, 128x128 [SAR 1:1 DAR 1:1], q=2-31, 200
 kb/s, 25 fps, 25 tbn, 25 tbc (default)
     Metadata:
       encoder         : Lavc58.47.106 png
 frame=    1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
 speed=2.22x
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown

 C:\>ffmpeg -hide_banner -i "128x128.png" -i "64x64.png" -filter_complex
 overlay=2:2 "test2.png"
 Input #0, png_pipe, from 'C:\128x128.png':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: png, rgb24(pc), 128x128 [SAR 2835:2835 DAR 1:1],
 25 tbr, 25 tbn, 25 tbc
 Input #1, png_pipe, from 'C:\64x64.png':
   Duration: N/A, bitrate: N/A
     Stream #1:0: Video: png, rgb24(pc), 64x64 [SAR 2835:2835 DAR 1:1], 25
 tbr, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 (png) -> overlay:main
   Stream #1:0 (png) -> overlay:overlay
   overlay -> Stream #0:0 (png)
 Press [q] to stop, [?] for help
 Output #0, image2, to 'test2.png':
   Metadata:
     encoder         : Lavf58.26.101
     Stream #0:0: Video: png, rgba, 128x128 [SAR 1:1 DAR 1:1], q=2-31, 200
 kb/s, 25 fps, 25 tbn, 25 tbc (default)
     Metadata:
       encoder         : Lavc58.47.106 png
 frame=    1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
 speed=2.35x
 video:1kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown

 }}}
 The output of "overlay=1:1" is the same as "overlay=0:0". "overlay=2:2"
 works as expected.

 Files attached.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7819>
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