Opened 5 years ago

Closed 5 years ago

#1129 closed defect (invalid)

qt smc: flickering line with odd height

Reported by: ami_stuff Owned by:
Priority: normal Component: undetermined
Version: unspecified Keywords:
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

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%

Attachments (2)

190_127.mov (1.2 MB) - added by ami_stuff 5 years ago.
190_128.mov (1.1 MB) - added by ami_stuff 5 years ago.

Change History (4)

Changed 5 years ago by ami_stuff

Changed 5 years ago by ami_stuff

comment:1 Changed 5 years ago by ami_stuff

Looks like a bug of QuickTime?'s smc encoder, not FFmpeg's decoder - please close.

comment:2 Changed 5 years ago by cehoyos

  • Resolution set to invalid
  • Status changed from new to closed
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