Opened 13 years ago
Closed 13 years ago
#2813 closed defect (fixed)
KMVC decoding artefacts http://multimedia.cx/samples/V-codecs/KMVC/baseball1.avi
| Reported by: | wohe | Owned by: | |
|---|---|---|---|
| Priority: | important | Component: | avcodec |
| Version: | git-master | Keywords: | KMVC regression |
| Cc: | Blocked By: | ||
| Blocking: | Reproduced by developer: | yes | |
| Analyzed by developer: | no |
Description
Summary of the bug:
How to reproduce:
Playback of http://multimedia.cx/samples/V-codecs/KMVC/baseball1.avi produces artefacts at the bottom. An FFmpeg version from 2007 doesn't show the problem.
Change History (2)
comment:1 by , 13 years ago
| Component: | undetermined → avcodec |
|---|---|
| Keywords: | regression added |
| Priority: | normal → important |
| Reproduced by developer: | set |
| Status: | new → open |
| Version: | 2.0 → git-master |
comment:2 by , 13 years ago
| Resolution: | → fixed |
|---|---|
| Status: | open → closed |
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For future tickets: Please always provide a failing ffmpeg command line together with the complete, uncut console output.
Regression since 70b5583.
$ ffmpeg -i baseball1.avi -qscale 2 out.avi ffmpeg version N-54992-g63c0113 Copyright (c) 2000-2013 the FFmpeg developers built on Jul 28 2013 03:47:03 with gcc 4.7 (SUSE Linux) configuration: --enable-gpl --disable-indev=jack libavutil 52. 40.100 / 52. 40.100 libavcodec 55. 19.100 / 55. 19.100 libavformat 55. 12.102 / 55. 12.102 libavdevice 55. 3.100 / 55. 3.100 libavfilter 3. 81.103 / 3. 81.103 libswscale 2. 4.100 / 2. 4.100 libswresample 0. 17.103 / 0. 17.103 libpostproc 52. 3.100 / 52. 3.100 Guessed Channel Layout for Input Stream #0.1 : mono Input #0, avi, from 'baseball1.avi': Duration: 00:00:15.76, start: 0.000000, bitrate: 2494 kb/s Stream #0:0: Video: kmvc (KMVC / 0x43564D4B), pal8, 320x200, 25 tbr, 25 tbn, 25 tbc Stream #0:1: Audio: pcm_u8 ([1][0][0][0] / 0x0001), 22050 Hz, mono, u8, 176 kb/s Please use -q:a or -q:v, -qscale is ambiguous Output #0, avi, to 'out.avi': Metadata: ISFT : Lavf55.12.102 Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 320x200, q=2-31, 200 kb/s, 25 tbn, 25 tbc Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 22050 Hz, mono, fltp, 96 kb/s Stream mapping: Stream #0:0 -> #0:0 (kmvc -> mpeg4) Stream #0:1 -> #0:1 (pcm_u8 -> ac3) Press [q] to stop, [?] for help [kmvc @ 0x1aed360] Invalid MV Last message repeated 318 times frame= 394 fps=0.0 q=2.0 Lsize= 2390kB time=00:00:15.81 bitrate=1238.4kbits/s video:2181kB audio:185kB subtitle:0 global headers:0kB muxing overhead 1.031435%