I've already seen this problem on another machine. Unfortunately, I've yet been unable to track it down.
There, it seems to be a GStreamer problem, as GStreamer is unable to play any video downloaded from youtube. In order to make sure that you are seeing the same bug, could you please download a video from youtube (using e.g. clive or youtube-dl) and try to play it with: * ffplay /path/to/file.flv * gst-launch playbin2 uri=file///path/to/file.flv ffplay is in package ffmpeg and gst-launch in gstreamer0.10-tools. If ffplay works but gst-launch doesn't, then please attach the output of GST_DEBUG=*:3 gst-launch playbin2 uri=file///path/to/file.flv As the log will get rather huge, it might be better to compress it with gzip. Regards, Jakob
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