Opened 4 years ago

Closed 4 years ago

#1381 closed defect (fixed)

png regression

Reported by: ami_stuff Owned by:
Priority: important Component: avcodec
Version: git-master Keywords: png regression
Cc: Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: no

Description

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%

Change History (3)

comment:1 Changed 4 years ago by cehoyos

  • Keywords png regression added
  • Priority changed from normal to important
  • Reproduced by developer set
  • Status changed from new to open
  • Version changed from unspecified to git-master

comment:2 Changed 4 years ago by cehoyos

  • Component changed from undetermined to avcodec

Regression since 2ee6dca, not reproducible with --disable-parser=png

comment:3 Changed 4 years ago by michael

  • Resolution set to fixed
  • Status changed from open to closed
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