[FFmpeg-devel] [PATCH] h264/aac in flv
Wed May 7 01:10:58 CEST 2008
2008/5/6 Mike Melanson <mike at multimedia.cx>:
> Michael Niedermayer wrote:
> >> Rofl:
> >> "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,
> as well).
That's for the Adobe Flash Player, right? What about the FLV spec?
Other flash players might not do the same. :)
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