ffplay - smacker codec playback regression

[ami_stuff]

smacker video codec playback regression with ffplay
(gfx bugs)

most likely another libavfilter-caused regression

​http://samples.multimedia.cx/game-formats/smacker/wetlands/wetlogo.smk

C:\>ffmpeg -i C:\wetlogo.smk
FFmpeg version git-N-29181-ga304071, Copyright (c) 2000-2011 the FFmpeg develope
rs
  built on Apr 18 2011 21:24:03 with gcc 4.5.2
  configuration: --enable-gpl --enable-version3 --enable-runtime-cpudetect --ena
ble-memalign-hack --enable-avisynth --enable-bzlib --enable-frei0r --enable-libo
pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --
enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger
 --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enabl
e-libx264 --enable-libxavs --enable-libxvid --enable-zlib --cross-prefix=i686-w6
4-mingw32- --target-os=mingw32 --arch=x86_32 --extra-cflags=-I/home/kyle/softwar
e/ffmpeg/external-libraries/win32/include --extra-ldflags=-L/home/kyle/software/
ffmpeg/external-libraries/win32/lib --pkg-config=pkg-config
  libavutil    50. 40. 1 / 50. 40. 1
  libavcodec   52.120. 0 / 52.120. 0
  libavformat  52.108. 0 / 52.108. 0
  libavdevice  52.  4. 0 / 52.  4. 0
  libavfilter   1. 79. 0 /  1. 79. 0
  libswscale    0. 13. 0 /  0. 13. 0
[smk @ 01CEC000] max_analyze_duration reached
Input #0, smk, from 'C:\wetlogo.smk':
  Duration: 00:00:07.10, start: 0.000000, bitrate: 815 kb/s
    Stream #0.0: Video: smackvid, pal8, 320x200, 14.08 fps, 14.08 tbr, 14.08 tbn
, 14.08 tbc
    Stream #0.1: Audio: smackaud, 22050 Hz, mono, u8
At least one output file must be specified

[Carl Eugen Hoyos]

Fixed by Stefano in 4f2954e2327c211f3fbe20b84f4881e1f8df1528.