According to the output of totem --gst-debug=2, it tries to use ffmpeg to decode the video file (youtube (now?) uses compressed swf). ffmpeg apparently doesn't support compressed swf files directly, they first have to be decompressed by cws2fws.
According to the output of totem --gst-debug=2, it tries to use ffmpeg to decode the video file (youtube (now?) uses compressed swf). ffmpeg apparently doesn't support compressed swf files directly, they first have to be decompressed by cws2fws.