Re: SoundDescription
Re: SoundDescription
- Subject: Re: SoundDescription
- From: Greg Chapman <email@hidden>
- Date: Wed, 15 Nov 2006 07:35:25 -0800
Hi Sandeep,
I believe you can just pass the SoundDescriptionV2 to
AddMediaSample. Your flow looks reasonable. But you should ask to
be sure on the quicktime-api list, since those are QuickTime APIs,
not Core Audio APIs.
Greg Chapman
On Nov 15, 2006, at 6:13 AM, Sandeep Chandna wrote:
Hi,
In my audio-conversion application, I was using SoundDescriptionV1
and AddMediaSample functions to encode output. All was going well
until I added sampleRates 88.2khz, 96khz, and 192khz. It looks like
they fall under SoundDescriptionV2 category.
Now I am not sure what all I need to change here. Does
AddMediaSample take SoundDescriptionV2 directly or do I have to use
AddMediaSample2 there?
As far as I found in previous posts and docs available, I need to
do something like this. Is this flow correct?
create output/inputASBDs
create Layout,MagicCookie
call SoundDescriptionCreate with above three and get sdh say
while(end)
{
//AudioBufferList etc
call SCAudioFillBuffer to get encoded data
call AddMediaSample and pass the sdh created above
}
Do I need to take care of any other things here ?
Thanks
Sandeep
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