[FFmpeg-devel] [PATCH] h264/aac in flv
Wed May 7 00:37:44 CEST 2008
Michael Niedermayer wrote:
>> "Sampling rate
>> For AAC: always 3"
>> Is this ok for you ?
> Ive not doubted that this has to be set to 3. The question is if
> 48khz/22khz AAC is allowed in flv or not. If one takes the spec literally
> then the awnser is clearly no. But your muxer would store them blindly
> with a claimed sample rate of 44khz.
Authoritative answer: For AAC inside of a FLV, the Flash Player doesn't
care what the FLV header claims the sample rate is; it parses the AAC
data structure to find the actual sample rate. Flash Player should be
able to play any sample rate that AAC supports (same goes for MP3 now,
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