[FFmpeg-devel] [PATCH] allow high audio sample rates in mov/mp4 muxer

Justin Ruggles justin.ruggles
Thu Jun 10 22:27:36 CEST 2010

Alex Converse wrote:

> On Thu, Jun 10, 2010 at 1:54 PM, Justin Ruggles
> <justin.ruggles at gmail.com> wrote:
>> Hi,
>> This patch allows the use of sample rates > 65535 in mov/mp4 (e.g. 96kHz
>> and 192kHz).  I don't know where to find this info in the MP4 spec, but
>> this is how the MPEG-4 ALS Reference Software does it.
> It might also be a good idea to look at the AAC 88.2/96 kHz test vectors.

Well, it seems that it shouldn't be 0, but should be the actual sample
rate using more than 16 bits.  I guess the reserved value that follows
is no longer reserved.  I'll send a new patch soon.


More information about the ffmpeg-devel mailing list