[FFmpeg-trac] #2616(undetermined:new): support matrox mpeg-2 I-frame with alpha codec (m704 fourcc)
FFmpeg
trac at avcodec.org
Fri May 31 18:20:10 CEST 2013
#2616: support matrox mpeg-2 I-frame with alpha codec (m704 fourcc)
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: | undetermined
unspecified | Keywords:
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
attached file decodes as mpeg2video, but there are visible some artefact
in the right-bottom corner of the video
http://www1.datafilehost.com/d/ea13c1dc
{{{
C:\>ffmpeg -vcodec mpeg2video -i m704.avi out.avi
ffmpeg version N-53680-g0ab9362 Copyright (c) 2000-2013 the FFmpeg
developers
built on May 30 2013 12:14:03 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
--enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-
libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
--ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr
--enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-
libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-
libxavs --
enable-libxvid --enable-zlib
libavutil 52. 34.100 / 52. 34.100
libavcodec 55. 12.102 / 55. 12.102
libavformat 55. 8.100 / 55. 8.100
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 73.100 / 3. 73.100
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
[mpeg2video @ 02997f20] Invalid frame dimensions 0x0.
Input #0, avi, from 'm704.avi':
Duration: 00:00:12.64, start: 0.000000, bitrate: 8031 kb/s
Stream #0:0: Video: mpeg2video (4:2:2) (M704 / 0x3430374D), yuv422p,
720x480
[SAR 8:9 DAR 4:3], 23.98 fps, 23.98 tbr, 23.97 tbn, 59.94 tbc
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf55.8.100
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x480 [SAR
8:9 DAR
4:3], q=2-31, 200 kb/s, 23.98 tbn, 23.98 tbc
Stream mapping:
Stream #0:0 -> #0:0 (mpeg2video -> mpeg4)
Press [q] to stop, [?] for help
[mpeg2video @ 02997f20] Invalid frame dimensions 0x0.
[mpeg2video @ 02997f20] end mismatch left=73960 1
[mpeg2video @ 02997f20] Warning MVs not available
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=69680 1
[mpeg2video @ 02997f20] Warning MVs not available
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=69760 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=69664 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=69808 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=70176 1
[mpeg2video @ 02997f20] Warning MVs not available
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=70072 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=70168 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=69976 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=70736 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=70736 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=70440 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=71416 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=70920 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=71096 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=71208 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=71304 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=71848 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=72432 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=71208 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=71568 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=72256 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=74440 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=73032 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=72712 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=73160 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
frame= 246 fps=0.0 q=31.0 size= 467kB time=00:00:10.26 bitrate=
373.2kbits/
end mismatch left=75504 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=75672 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=77384 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
[mpeg2video @ 02997f20] end mismatch left=76168 1
[mpeg2video @ 02997f20] concealing 9 DC, 9 AC, 9 MV errors in I frame
frame= 303 fps=0.0 q=31.0 Lsize= 536kB time=00:00:12.63 bitrate=
347.2kbits
/s
video:523kB audio:0kB subtitle:0 global headers:0kB muxing overhead
2.463669%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2616>
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