The ffmpeg version bundled with gstreamer0.10-ffmpeg is simply not new enough for wmv9/vc1 decoding. Even in CVS they're using an older version currently and are only fixing fundamental problems in the gstreamer plugin.
The ffmpeg version bundled with gstreamer0. 10-ffmpeg is simply not new enough for wmv9/vc1 decoding. Even in CVS they're using an older version currently and are only fixing fundamental problems in the gstreamer plugin.