1 /*
2 AudioUnits driver interface.
3 Copyright (c) 2006-2008 Gerard Roma.
4
5 ====================================================================
6
7 SuperCollider real time audio synthesis system
8 Copyright (c) 2002 James McCartney. All rights reserved.
9 http://www.audiosynth.com
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 */
25 #if SC_AUDIO_API == SC_AUDIO_API_AUDIOUNITS
26 # include "SC_AU.h"
27
28
AUCallback(SC_AUAudioDriver * driver,AudioBufferList * in,AudioBufferList * out,AudioTimeStamp * inTimeStamp,UInt32 inFramesToProcess,Float64 sampleRate,int64 oscTime)29 void AUCallback(SC_AUAudioDriver* driver, AudioBufferList* in, AudioBufferList* out, AudioTimeStamp* inTimeStamp,
30 UInt32 inFramesToProcess, Float64 sampleRate, int64 oscTime) {
31 driver->Callback(in, out, inTimeStamp, inFramesToProcess, sampleRate, oscTime);
32 }
33
34 void sc_SetDenormalFlags();
35
SC_NewAudioDriver(struct World * inWorld)36 SC_AudioDriver* SC_NewAudioDriver(struct World* inWorld) { return new SC_AUAudioDriver(inWorld); }
37
SC_AUAudioDriver(struct World * inWorld)38 SC_AUAudioDriver::SC_AUAudioDriver(struct World* inWorld): SC_CoreAudioDriver(inWorld) {}
39
~SC_AUAudioDriver()40 SC_AUAudioDriver::~SC_AUAudioDriver() {}
41
42
DriverSetup(int * outNumSamples,double * outSampleRate)43 bool SC_AUAudioDriver::DriverSetup(int* outNumSamples, double* outSampleRate) {
44 // params are set into the wolrd options at AU initialize
45 if (!mPreferredSampleRate && !mPreferredHardwareBufferFrameSize)
46 return false;
47 *outSampleRate = mPreferredSampleRate;
48 *outNumSamples = mPreferredHardwareBufferFrameSize;
49 return true;
50 }
51
DriverStart()52 bool SC_AUAudioDriver::DriverStart() { return true; }
53
DriverStop()54 bool SC_AUAudioDriver::DriverStop() { return true; }
55
56
Callback(const AudioBufferList * in,AudioBufferList * out,AudioTimeStamp * inTimeStamp,UInt32 inFramesToProcess,Float64 sampleRate,int64 oscTime)57 void SC_AUAudioDriver::Callback(const AudioBufferList* in, AudioBufferList* out, AudioTimeStamp* inTimeStamp,
58 UInt32 inFramesToProcess, Float64 sampleRate, int64 oscTime) {
59 this->mNumSamplesPerCallback = inFramesToProcess;
60 this->mOSCincrement = (int64)(this->mOSCincrementNumerator / sampleRate);
61 this->Run(in, out, oscTime);
62 }
63 #endif