[FFmpeg-trac] #1129(undetermined:new): qt smc: flickering line with odd height

FFmpeg trac at avcodec.org
Sun Mar 25 12:23:18 CEST 2012


#1129: qt smc: flickering line with odd height
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 There is visible a flickering line at the bottom when smc video have odd
 height.

 {{{
 C:\>ffmpeg -i 190_127.mov out.avi
 ffmpeg version N-39223-gac6798d Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Mar 25 2012 02:22:42 with gcc 4.5.0 20100414 (Fedora MinGW
 4.5.0-1.fc
 14)
   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' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snapshots/buil
 d/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/snapshots/b
 uild/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3
 --enable-n
 onfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-
 libvorbis
 --enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-
 libopencor
 e-amrwb --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx
   libavutil      51. 44.100 / 51. 44.100
   libavcodec     54. 12.100 / 54. 12.100
   libavformat    54.  2.100 / 54.  2.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 65.102 /  2. 65.102
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 10.100 /  0. 10.100
   libpostproc    52.  0.100 / 52.  0.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '190_127.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2012-03-25 04:07:29
   Duration: 00:00:05.95, start: 0.000000, bitrate: 1721 kb/s
     Stream #0:0(eng): Video: smc (smc  / 0x20636D73), pal8, 190x127, 1719
 kb/s,
 24 fps, 24 tbr, 600 tbn, 600 tbc
     Metadata:
       creation_time   : 2012-03-25 04:07:29
       handler_name    : &Procedura obs│ugi skrˇtˇw danych Apple
 Incompatible pixel format 'pal8' for codec 'mpeg4', auto-selecting format
 'yuv42
 0p'
 [buffer @ 0x1db3980] w:190 h:127 pixfmt:pal8 tb:1/1000000 sar:0/1
 sws_param:
 [buffersink @ 0x1db3c00] auto-inserting filter 'auto-inserted scale 0'
 between t
 he filter 'src' and the filter 'out'
 [scale @ 0x1db3340] w:190 h:127 fmt:pal8 sar:0/1 -> w:190 h:127
 fmt:yuv420p sar:
 0/1 flags:0x4
 Output #0, avi, to 'out.avi':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2012-03-25 04:07:29
     ISFT            : Lavf54.2.100
     Stream #0:0(eng): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 190x127,
 q=2-31
 , 200 kb/s, 24 tbn, 24 tbc
     Metadata:
       creation_time   : 2012-03-25 04:07:29
       handler_name    : &Procedura obs│ugi skrˇtˇw danych Apple
 Stream mapping:
   Stream #0:0 -> #0:0 (smc -> mpeg4)
 Press [q] to stop, [?] for help
 frame=  143 fps=0.0 q=11.5 Lsize=     259kB time=00:00:05.95 bitrate=
 355.9kbits
 /s
 video:250kB audio:0kB global headers:0kB muxing overhead 3.589712%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1129>
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