If you are missing numbers for Ogg container overhead in comparison to other containers, here are some for the famous YouTube comparison conducted by Gregory Maxwell. After extracting the video and audio streams from the containers via 'mplayer -dumpvideo' and 'mplayer -dumpaudio' you arrive at the following numbers:
17307153 bbb_theora_486kbit.ogv (the complete file) - 15009926 bbb_theora_486kbit.theora (the video track) - 02107404 bbb_theora_486kbit.vorbis (the audio track) ======== 00189823 (container overhead) 17753616 bbb_youtube_h264_499kbit.mp4 (the complete file) - 13898515 bbb_youtube_h264_499kbit.h264 (the video track) - 03796188 bbb_youtube_h264_499kbit.aac (the audio track) ======== 00058913 (container overhead)
So in this application, Ogg has more than 300% the overhead of MP4. It's a typical figure.
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