[FFmpeg-trac] #1972(undetermined:new): swscale: vertical line at the right side with rgb24 -> yuv410p conversion (odd width)

FFmpeg trac at avcodec.org
Wed Nov 28 10:30:10 CET 2012


#1972: swscale: vertical line at the right side with rgb24 -> yuv410p conversion
(odd width)
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 there is visible vertical line with a darker color at the right side in
 the output

 this happens with rgb24 -> yuv410p and other yuv pix formats (asm and
 --disable-asm builds)

 {{{
 C:\>ffmpeg -i 599.png -pix_fmt yuv410p out.tif
 ffmpeg version N-46755-ge70144c Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Nov 15 2012 02:38:20 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.  6.100 / 52.  6.100
   libavcodec     54. 71.100 / 54. 71.100
   libavformat    54. 36.100 / 54. 36.100
   libavdevice    54.  3.100 / 54.  3.100
   libavfilter     3. 23.100 /  3. 23.100
   libswscale      2.  1.102 /  2.  1.102
   libswresample   0. 16.100 /  0. 16.100
   libpostproc    52.  1.100 / 52.  1.100
 Input #0, image2, from '599.png':
   Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: png, rgb24, 599x412, 25 tbr, 25 tbn, 25 tbc
 Output #0, image2, to 'out.tif':
   Metadata:
     encoder         : Lavf54.36.100
     Stream #0:0: Video: tiff, yuv410p, 599x412, q=2-31, 200 kb/s, 90k tbn,
 25 tb
 c
 Stream mapping:
   Stream #0:0 -> #0:0 (png -> tiff)
 Press [q] to stop, [?] for help
 frame=    1 fps=0.0 q=0.0 Lsize=       0kB time=00:00:00.04 bitrate=
 0.0kbits/
 s
 video:76kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 -100.000000%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1972>
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