[FFmpeg-devel] [RFC] use ff_avc_find_startcode in ff_find_start_code

Reimar Döffinger Reimar.Doeffinger
Tue Feb 19 15:37:20 CET 2008


Hello,
On Tue, Feb 19, 2008 at 03:28:27PM +0100, Reimar D?ffinger wrote:
> For decoding my THX_Science_FLT_1920.gxf, ff_find_start_code in mpeg_decode_frame
> is called 73754 times for 353 frames, the average amount of data skipped is 1272.626343 bytes.

And uh... yes, this does indeed mean that 90% of the file's data is
trash...
Probably there is not much point in concentrating on this kind of thing,
but I'd expect these kind of long skips might be common for DVDs in
order to try to get a more constant bitrate as well...

Greetings,
Reimar D?ffinger




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