[FFmpeg-trac] #3849(undetermined:open): ffvp9 fails to decode file libpvpx decodes just fine
FFmpeg
trac at avcodec.org
Mon Aug 11 20:43:17 CEST 2014
#3849: ffvp9 fails to decode file libpvpx decodes just fine
-------------------------------------+-------------------------------------
Reporter: jimbankoski | Owner:
Type: defect | Status: open
Priority: normal | Component:
Version: git-master | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Changes (by cehoyos):
* keywords: vp9 =>
* component: avcodec => undetermined
* reproduced: 1 => 0
Comment:
For future tickets:
Please always provide a {{{ffmpeg}}} command line that allows to reproduce
the issue together with the complete, uncut console output.
{{{
$ ffmpeg -i ffvp9_fails_where_libvpx.succeeds.webm -ss 10 -t 10 -qscale 2
out.avi
ffmpeg version N-65523-g9a16214 Copyright (c) 2000-2014 the FFmpeg
developers
built on Aug 11 2014 17:58:58 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 54. 1.100 / 54. 1.100
libavcodec 56. 0.100 / 56. 0.100
libavformat 56. 0.100 / 56. 0.100
libavdevice 56. 0.100 / 56. 0.100
libavfilter 5. 0.100 / 5. 0.100
libswscale 3. 0.100 / 3. 0.100
libswresample 1. 0.100 / 1. 0.100
libpostproc 53. 0.100 / 53. 0.100
Input #0, matroska,webm, from 'ffvp9_fails_where_libvpx.succeeds.webm':
Metadata:
encoder : libwebm-0.2.1.0
Duration: 00:00:26.20, start: 0.000000, bitrate: 800 kb/s
Stream #0:0(eng): Video: vp9, yuv420p, 640x360, SAR 1:1 DAR 16:9, 30
fps, 30 tbr, 1k tbn, 1k tbc (default)
Please use -q:a or -q:v, -qscale is ambiguous
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf56.0.100
Stream #0:0(eng): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 640x360
[SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 30 fps, 30 tbn, 30 tbc (default)
Metadata:
encoder : Lavc56.0.100 mpeg4
Stream mapping:
Stream #0:0 -> #0:0 (vp9 (native) -> mpeg4 (native))
Press [q] to stop, [?] for help
frame= 300 fps=0.0 q=2.0 Lsize= 2099kB time=00:00:10.00
bitrate=1719.6kbits/s
video:2086kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.613195%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3849#comment:2>
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