[FFmpeg-trac] #6813(undetermined:new): Transparency broken when encoding animated gif
FFmpeg
trac at avcodec.org
Tue Nov 7 14:39:25 EET 2017
#6813: Transparency broken when encoding animated gif
-------------------------------------+-------------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git- | undetermined
master | Keywords: gif alpha
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
{{{
$ ffmpeg -i transparency.apng out.gif
ffmpeg version N-88605-g991eca0 Copyright (c) 2000-2017 the FFmpeg
developers
built with gcc 6.3.0 (GCC)
configuration: --enable-gpl --cc=/usr/local/gcc-6.3.0/bin/gcc
libavutil 56. 0.100 / 56. 0.100
libavcodec 58. 1.100 / 58. 1.100
libavformat 58. 2.100 / 58. 2.100
libavdevice 58. 0.100 / 58. 0.100
libavfilter 7. 0.101 / 7. 0.101
libswscale 5. 0.101 / 5. 0.101
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
Input #0, apng, from 'transparency.apng':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0: Video: apng, pal8(pc), 300x180, 4 fps, 4 tbr, 100k tbn,
100k tbc
Stream mapping:
Stream #0:0 -> #0:0 (apng (native) -> gif (native))
Press [q] to stop, [?] for help
Output #0, gif, to 'out.gif':
Metadata:
encoder : Lavf58.2.100
Stream #0:0: Video: gif, pal8, 300x180, q=2-31, 200 kb/s, 4 fps, 100
tbn, 4 tbc
Metadata:
encoder : Lavc58.1.100 gif
frame= 93 fps=0.0 q=-0.0 Lsize= 1190kB time=00:00:23.01 bitrate=
423.5kbits/s speed= 473x
video:1188kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.126995%
}}}
Output file is broken.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6813>
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