Here's a comparison of playing 720p video using Flash versus Mplayer: http://imgur.com/fq5c1 http://imgur.com/fq5c1 Mplayer is roughly twice as fast, and both

Here's a comparison of playing 720p video using Flash versus Mplayer: http://imgur.com/fq5c1 http://imgur.com/fq5c1 Mplayer is roughly twice as fast, and both are using libavcodec for decoding H264.