[FFmpeg-trac] #1381(undetermined:new): png regression

FFmpeg trac at avcodec.org
Wed May 30 22:40:03 CEST 2012


#1381: png regression
-------------------------------------+-------------------------------------
               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 are visible artefacts at the beginning and at the end of the video

 git-c1fe2db (03-May-2012) - ok
 git-a548671 (09-May-2012) - bad

 http://www.datafilehost.com/download-1410f7db.html

 {{{
 C:\>ffmpeg -i corepng.avi -an out.avi
 ffmpeg version N-41116-g8619362 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on May 30 2012 02:20:05 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. 55.100 / 51. 55.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 Input #0, avi, from 'corepng.avi':
   Duration: 00:00:12.64, start: 0.000000, bitrate: 14550 kb/s
     Stream #0:0: Video: png (PNG1 / 0x31474E50), rgb24, 320x240, 23.97
 tbr, 23.9
 7 tbn, 23.97 tbc
     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, stereo, s16,
 128 kb
 /s
 File 'out.avi' already exists. Overwrite ? [y/N] y
 w:320 h:240 pixfmt:rgb24 tb:100/2397 sar:0/1 sws_param:flags=2
 [buffersink @ 0x1de63c0] No opaque field provided
 [format @ 0x1de6640] auto-inserting filter 'auto-inserted scaler 0'
 between the
 filter 'src' and the filter 'format'
 [scale @ 0x1de6580] w:320 h:240 fmt:rgb24 sar:0/1 -> w:320 h:240
 fmt:yuv420p sar
 :0/1 flags:0x4
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf54.6.101
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 320x240,
 q=2-31, 200
  kb/s, 23.97 tbn, 23.97 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (png -> mpeg4)
 Press [q] to stop, [?] for help
 frame=   55 fps=0.0 q=24.8 size=     696kB time=00:00:02.29
 bitrate=2486.0kbits/
 frame=  110 fps=0.0 q=31.0 size=     851kB time=00:00:04.58
 bitrate=1519.9kbits/
 frame=  166 fps=111 q=31.0 size=     879kB time=00:00:06.92
 bitrate=1039.6kbits/
 frame=  218 fps=109 q=31.0 size=     898kB time=00:00:09.09 bitrate=
 808.5kbits/
 frame=  277 fps=111 q=31.0 size=    1094kB time=00:00:11.55 bitrate=
 775.2kbits/
 frame=  303 fps=111 q=31.0 Lsize=    1259kB time=00:00:12.64 bitrate=
 815.6kbits
 /s
 video:1246kB audio:0kB global headers:0kB muxing overhead 1.027991%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1381>
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