Opened 12 years ago
Last modified 12 years ago
#2464 new defect
Decoding of Matrox mpeg2video 4:2:2 HD avi files broken
Reported by: | Carl Eugen Hoyos | Owned by: | |
---|---|---|---|
Priority: | normal | Component: | undetermined |
Version: | git-master | Keywords: | matrox mpeg2video avi |
Cc: | bostjan.strojan@gmail.com | Blocked By: | |
Blocking: | Reproduced by developer: | no | |
Analyzed by developer: | no |
Description
http://thread.gmane.org/gmane.comp.video.ffmpeg.user/45055
I will upload a sample of >10 seconds of which FFmpeg only decodes / demuxes the first ten frames.
The output file is more than a magnitude smaller than the input file.
$ ffmpeg -i C0005.avi -vcodec copy out.avi ffmpeg version N-52029-g227b445 Copyright (c) 2000-2013 the FFmpeg developers built on Apr 12 2013 16:55:03 with gcc 4.7 (SUSE Linux) configuration: --enable-gpl --disable-indev=jack libavutil 52. 26.100 / 52. 26.100 libavcodec 55. 2.100 / 55. 2.100 libavformat 55. 2.100 / 55. 2.100 libavdevice 55. 0.100 / 55. 0.100 libavfilter 3. 53.101 / 3. 53.101 libswscale 2. 2.100 / 2. 2.100 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 3.100 / 52. 3.100 [avi @ 0x2c78f40] non-interleaved AVI [mpeg2video @ 0x2c79940] Invalid frame dimensions 0x0. Input #0, avi, from 'C0005.avi': Metadata: encoder : Matrox MQSink Filter Duration: 00:00:00.40, start: 0.000000, bitrate: N/A Stream #0:0: Video: mpeg2video (4:2:2) (M701 / 0x3130374D), yuv422p, 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 50 tbc Output #0, avi, to 'out.avi': Metadata: ISFT : Lavf55.2.100 Stream #0:0: Video: mpeg2video (M701 / 0x3130374D), yuv422p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help frame= 10 fps=0.0 q=-1.0 Lsize= 2832kB time=00:00:00.40 bitrate=58003.2kbits/s video:2826kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.214585%
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Sample uploaded to http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket2464/