[FFmpeg-trac] #2532(undetermined:new): wmv1: green artefacts with lowres

FFmpeg trac at avcodec.org
Sat May 4 22:04:49 CEST 2013


#2532: wmv1: green artefacts with lowres
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 {{{
 C:\>ffmpeg -vlowres 1 -i 1.wmv -an out.avi
 ffmpeg version N-52725-ge756635 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on May  4 2013 02:45:38 with gcc 4.5.0 (GCC) 20100414 (Fedora
 MinGW 4.5.
 0-1.fc14)
   configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
 --arch=
 x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
 -pc-min
 gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-
 cpudetect
 --enable-cross-compile --enable-static --disable-shared --extra-
 libs='-lws2_32 -
 lwinmm -lpthread' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snap
 shots/build/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/s
 napshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
 version3
 --enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
 --enable-
 libvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
 --enable-
 libopencore-amrwb --enable-libmp3lame --enable-libvpx --disable-
 decoder=libvpx
   libavutil      52. 28.100 / 52. 28.100
   libavcodec     55.  7.100 / 55.  7.100
   libavformat    55.  4.101 / 55.  4.101
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 63.101 /  3. 63.101
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Guessed Channel Layout for  Input Stream #0.0 : stereo
 Input #0, asf, from '1.wmv':
   Metadata:
     WMFSDKVersion   : 11.0.5721.5275
     WMFSDKNeeded    : 0.0.0.0000
     IsVBR           : 0
     DeviceConformanceTemplate: @
   Duration: 00:00:05.98, start: 0.000000, bitrate: 246 kb/s
     Stream #0:0(pol): Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz,
 stereo, fltp
 , 176 kb/s
     Stream #0:1(pol): Video: wmv1 (WMV1 / 0x31564D57), yuv420p, 80x60, 100
 kb/s,
  24 tbr, 1k tbn, 1k tbc
 Output #0, avi, to 'out.avi':
   Metadata:
     WMFSDKVersion   : 11.0.5721.5275
     WMFSDKNeeded    : 0.0.0.0000
     IsVBR           : 0
     DeviceConformanceTemplate: @
     ISFT            : Lavf55.4.101
     Stream #0:0(pol): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 80x60,
 q=2-31,
 200 kb/s, 24 tbn, 24 tbc
 Stream mapping:
   Stream #0:1 -> #0:0 (wmv1 -> mpeg4)
 Press [q] to stop, [?] for help
 [wmv1 @ 0x20cdcc0] dc overflow- block: 4 qscale: 4//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 4//
     Last message repeated 1 times
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 4//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 0 qscale: 4//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 4//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 4//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 4 qscale: 4//
     Last message repeated 1 times
 [wmv1 @ 0x20cdcc0] dc overflow- block: 0 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 0 qscale: 6//
     Last message repeated 1 times
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 6//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 8//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 0 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 0 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 7//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 9//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 9//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 9//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 5 qscale: 9//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 0 qscale: 15//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 15//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 15//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 18//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 18//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 18//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 19//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 0 qscale: 19//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 19//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 0 qscale: 19//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 19//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 19//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 19//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 1 qscale: 19//
     Last message repeated 1 times
 [wmv1 @ 0x20cdcc0] dc overflow- block: 2 qscale: 19//
 [wmv1 @ 0x20cdcc0] dc overflow- block: 3 qscale: 19//
 frame=  133 fps=0.0 q=1.6 Lsize=     151kB time=00:00:05.95 bitrate=
 207.1kbits/
 s
 video:142kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 6.329672%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2532>
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