id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
2275	artifacts on decoding PNG file with alpha	saste		"Summary of the bug:
How to reproduce:
{{{
fmpeg -i  http://ffmpeg.org/ffmpeg-logo.png out.bmp
ffmpeg version N-50039-g9cfe7a3 Copyright (c) 2000-2013 the FFmpeg developers
  built on Feb 17 2013 13:21:08 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-pic --enable-fontconfig --enable-libschroedinger --enable-libass --enable-version3 --prefix=/home/stefano --enable-libx264 --enable-libfaac --disable-shared --enable-static --enable-debug=3 --enable-pthreads --enable-libvorbis --enable-gpl --enable-nonfree --enable-libmp3lame --enable-libtheora --enable-gpl --enable-x11grab --enable-frei0r --enable-libspeex --enable-libcaca --enable-libflite --enable-libfreetype --enable-libopencv --enable-libopencore-amrnb --enable-libopencore-amrnb --disable-optimizations
  libavutil      52. 17.101 / 52. 17.101
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.100 / 54. 63.100
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 38.103 /  3. 38.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
Input #0, image2, from 'http://ffmpeg.org/ffmpeg-logo.png':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: png, rgba, 396x100, 25 tbr, 25 tbn, 25 tbc
Output #0, image2, to 'out.bmp':
  Metadata:
    encoder         : Lavf54.63.100
    Stream #0:0: Video: bmp, bgra, 396x100, q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (png -> bmp)
Press [q] to stop, [?] for help
frame=    1 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A    
video:155kB audio:0kB subtitle:0 global headers:0kB muxing overhead -100.013884%
}}}

or alternatively:
{{{
ffplay http://ffmpeg.org/ffmpeg-logo.png
}}}

The output is garbled."	defect	closed	normal	FFplay	git-master	invalid	png alpha sdl				1	1
