--
Patrick Shirkey
Boost Hardware Ltd
> On Thu, Nov 10, 2011 at 3:24 PM, Patrick Shirkey
> <
email@hidden> wrote:
>> Hi,
>>
>> I asked Apple Developer Support and they [c/w]ouldn't provide an answer
>> for me
>>
>> Can anyone tell me why this code works:
>>
>> ----------
>>
>> AUNode outputNode;
>>
>> // create a new AUGraph
>> result = NewAUGraph(&mGraph);
>> if (result) { printf("NewAUGraph result %ld X %4.4s\n", result,
>> (unsigned int)result, (char*)&result); return; }
>>
>> // output unit
>> CAComponentDescription output_desc(kAudioUnitType_Output,
>> kAudioUnitSubType_RemoteIO, kAudioUnitManufacturer_Apple);
>>
>> result = AUGraphAddNode(mGraph, &output_desc, &outputNode);
>> if (result) { printf("AUGraphNewNode 1 result %lu %4.4s\n",
>> result,
>> (char*)&result); return; }
>>
>>
>> -----------
>>
>> But this code doesn't:
>>
>> -----------
>>
>> AUNode outputNode;
>> AUNode delayNode;
>>
>> // create a new AUGraph
>> result = NewAUGraph(&mGraph);
>> if (result) { printf("NewAUGraph result %ld X %4.4s\n", result,
>> (unsigned int)result, (char*)&result); return; }
>>
>> // output unit
>> CAComponentDescription output_desc(kAudioUnitType_Output,
>> kAudioUnitSubType_RemoteIO, kAudioUnitManufacturer_Apple);
>>
>> // delay unit
>> CAComponentDescription delay_desc(kAudioUnitType_Output,
>> kAudioUnitSubType_RemoteIO, kAudioUnitManufacturer_Apple);
>>
>> result = AUGraphAddNode(mGraph, &output_desc, &outputNode);
>> if (result) { printf("AUGraphNewNode 1 result %lu %4.4s\n",
>> result,
>> (char*)&result); return; }
>>
>> result = AUGraphAddNode(mGraph, &delay_desc, &delayNode);
>> if (result) { printf("AUGraphNewNode 2 result %lu %4.4s\n",
>> result,
>> (char*)&result); return; }
>>
>> ---------
>>
>>
>>
>>
>> --
>> Patrick Shirkey
>> Boost Hardware Ltd
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Coreaudio-api mailing list (
email@hidden)
>> Help/Unsubscribe/Update your Subscription:
>>
>> This email sent to
email@hidden
>>
>
--
Patrick Shirkey
Boost Hardware Ltd