[FFmpeg-devel] [PATCH] Tighter Westwood AUD Probe

Mike Melanson mike
Sun Apr 13 04:25:43 CEST 2008


I finally generated an Apple Core Audio Format (CAF) file and I was 
quite surprised to see that FFmpeg recognized it. Actually, the Westwood 
AUD demuxer (libavformat/westwood.c) was volunteering to handle it. This 
patch fixes that situation by raising the probability of random 
qualification from being on the order of 1 in 2^8 => being on the order 
of 1 in 2^45.

The demuxer already returns 50% probability. Of course, a proper CAFF 
demuxer would have much better probability with its definite chunk 
signatures (CAFF demuxer coming soon as a small-medium FFmpeg task).

	-Mike Melanson
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