Re: stop a sound file after playing once?
Re: stop a sound file after playing once?
- Subject: Re: stop a sound file after playing once?
- From: Bob Sabiston <email@hidden>
- Date: Tue, 26 Jul 2011 14:40:28 -0500
On Jul 26, 2011, at 1:52 PM, Brian Willoughby wrote:
>
> On Jul 26, 2011, at 11:13, Bob Sabiston wrote:
>> On Jul 26, 2011, at 12:55 AM, Hamilton Feltman wrote:
>>> You modify the ioActionFlags in the callback if you know the data is all zeros:
>>> ioActionFlags |= kAudioUnitRenderAction_OutputIsSilence;
>>>
>>> Presumably the driver can do some optimizations if you hint at it.
>>
>> Yes, I am doing that now. Everything seems to work, except that I don't know why I have to multiply the number of samples by 2 to get it to play the whole sound.
>
> Because you're playing in stereo?
>
> Brian Willoughby
> Sound Consulting
My sounds are not in stereo. I am not sure about the mixer output -- so if the sound is mono and the output is stereo, you have to double the number of samples read in from the file? That doesn't make sense to me.
Bob
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