id,summary,reporter,owner,description,type,status,priority,component,version,resolution,keywords,cc,blockedby,blocking,reproduced,analyzed
2151,Warning: data is not aligned! This can lead to a speedloss,viric,,"Summary of the bug:

How to reproduce:
{{{
% ffmpeg -ss 01:05:30 -i album-familiar-1.mkv -t 00:07:28 -vf ""yadif, crop=690:560:16"" -vcodec mpeg4 -vtag xvid  -qscale:v 4 -ac 1 -acodec libmp3lame -qscale:a 3 /tmp/tieta2.avi
ffmpeg version 1.1 Copyright (c) 2000-2013 the FFmpeg developers
  built on Jan 13 2013 22:22:02 with gcc 4.6.3 (GCC)
  configuration: --disable-static --prefix=/nix/store/1pja3gxi62f2hjwyww67ys84mxqfjgwm-ffmpeg-1.1 --enable-gpl --enable-postproc --enable-swscale --disable-ffplay --enable-shared --enable-runtime-cpudetect --enable-libmp3lame --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-vdpau
  libavutil      52. 13.100 / 52. 13.100
  libavcodec     54. 86.100 / 54. 86.100
  libavformat    54. 59.106 / 54. 59.106
  libavdevice    54.  3.102 / 54.  3.102
  libavfilter     3. 32.100 /  3. 32.100
  libswscale      2.  1.103 /  2.  1.103
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
Input #0, matroska,webm, from 'album-familiar-1.mkv':
  Metadata:
    ENCODER         : Lavf54.59.106
  Duration: 03:04:49.44, start: 0.000000, bitrate: 65334 kb/s
    Stream #0:0: Video: h264 (High 4:4:4 Predictive), yuv422p, 720x576, SAR 1:1 DAR 5:4, 25 fps, 25 tbr, 1k tbn, 50 tbc (default)
    Stream #0:1: Audio: flac, 44100 Hz, stereo, s16 (default)
Output #0, avi, to '/tmp/tieta2.avi':
  Metadata:
    ISFT            : Lavf54.59.106
    Stream #0:0: Video: mpeg4 (xvid / 0x64697678), yuv420p, 690x560 [SAR 1:1 DAR 69:56], q=2-31, 200 kb/s, 25 tbn, 25 tbc (default)
    Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, mono, s16p (default)
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> mpeg4)
  Stream #0:1 -> #0:1 (flac -> libmp3lame)
Press [q] to stop, [?] for help
[swscaler @ 0x752040] Warning: data is not aligned! This can lead to a speedloss
frame=    6 fps=0.0 q=4.0 Lsize=      91kB time=00:00:00.24 bitrate=3118.7kbits/s dup=0 drop=7    
video:75kB audio:6kB subtitle:0 global headers:0kB muxing overhead 12.867035%
}}}
",defect,new,normal,swscale,1.1,,,,,,0,0