PA fixes for OSX

This commit is contained in:
Joel de Vahl 2008-03-17 19:43:08 +00:00
parent 34b1177b99
commit 88f2341627
4 changed files with 2 additions and 957 deletions

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@ -1,44 +0,0 @@
/* Include the auto configuration */
#include <engine/e_detect.h>
/* common part */
#include "portaudio/pa_converters.c"
#include "portaudio/pa_trace.c"
#include "portaudio/pa_front.c"
#include "portaudio/pa_dither.c"
#include "portaudio/pa_process.c"
#include "portaudio/pa_stream.c"
#include "portaudio/pa_cpuload.c"
#include "portaudio/pa_allocation.c"
#include "portaudio/pa_debugprint.c"
#if defined(CONF_FAMILY_UNIX)
#include "portaudio/pa_unix_util.c"
#if defined(CONF_PLATFORM_MACOSX)
#define PA_USE_COREAUDIO
#include "portaudio/pa_mac_core.c"
#include "portaudio/pa_mac_core_blocking.c"
#include "portaudio/pa_mac_core_utilities.c"
#include "portaudio/pa_mac_hostapis.c"
#include "portaudio/pa_ringbuffer.c"
#else
#define HAVE_SYS_SOUNDCARD_H
#define PA_USE_ALSA
#include "portaudio/pa_linux_alsa.c"
/*#define PA_USE_OSS
#include "portaudio/pa_unix_oss.c" */
#include "portaudio/pa_unix_hostapis.c"
#endif
#elif defined(CONF_FAMILY_WINDOWS)
#define PA_NO_WMME
#define PA_NO_ASIO
#include "portaudio/pa_win_ds.c"
#include "portaudio/pa_win_ds_dynlink.c"
#include "portaudio/pa_win_hostapis.c"
#include "portaudio/pa_win_util.c"
#else
#error help me!
#endif

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@ -1,913 +0,0 @@
/*
* $Id: pa_mac_core_old.c 1083 2006-08-23 07:30:49Z rossb $
* pa_mac_core.c
* Implementation of PortAudio for Mac OS X CoreAudio
*
* PortAudio Portable Real-Time Audio Library
* Latest Version at: http://www.portaudio.com
*
* Authors: Ross Bencina and Phil Burk
* Copyright (c) 1999-2000 Ross Bencina and Phil Burk
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* The text above constitutes the entire PortAudio license; however,
* the PortAudio community also makes the following non-binding requests:
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
* they can be incorporated into the canonical version. It is also
* requested that these non-binding requests be included along with the
* license above.
*/
#include <CoreAudio/CoreAudio.h>
#include <AudioToolbox/AudioToolbox.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <assert.h>
#include "portaudio.h"
#include "pa_trace.h"
#include "pa_util.h"
#include "pa_allocation.h"
#include "pa_hostapi.h"
#include "pa_stream.h"
#include "pa_cpuload.h"
#include "pa_process.h"
// ===== constants =====
// ===== structs =====
#pragma mark structs
// PaMacCoreHostApiRepresentation - host api datastructure specific to this implementation
typedef struct PaMacCore_HAR
{
PaUtilHostApiRepresentation inheritedHostApiRep;
PaUtilStreamInterface callbackStreamInterface;
PaUtilStreamInterface blockingStreamInterface;
PaUtilAllocationGroup *allocations;
AudioDeviceID *macCoreDeviceIds;
}
PaMacCoreHostApiRepresentation;
typedef struct PaMacCore_DI
{
PaDeviceInfo inheritedDeviceInfo;
}
PaMacCoreDeviceInfo;
// PaMacCoreStream - a stream data structure specifically for this implementation
typedef struct PaMacCore_S
{
PaUtilStreamRepresentation streamRepresentation;
PaUtilCpuLoadMeasurer cpuLoadMeasurer;
PaUtilBufferProcessor bufferProcessor;
int primeStreamUsingCallback;
AudioDeviceID inputDevice;
AudioDeviceID outputDevice;
// Processing thread management --------------
// HANDLE abortEvent;
// HANDLE processingThread;
// DWORD processingThreadId;
char throttleProcessingThreadOnOverload; // 0 -> don't throtte, non-0 -> throttle
int processingThreadPriority;
int highThreadPriority;
int throttledThreadPriority;
unsigned long throttledSleepMsecs;
int isStopped;
volatile int isActive;
volatile int stopProcessing; // stop thread once existing buffers have been returned
volatile int abortProcessing; // stop thread immediately
// DWORD allBuffersDurationMs; // used to calculate timeouts
}
PaMacCoreStream;
// Data needed by the CoreAudio callback functions
typedef struct PaMacCore_CD
{
PaMacCoreStream *stream;
PaStreamCallback *callback;
void *userData;
PaUtilConverter *inputConverter;
PaUtilConverter *outputConverter;
void *inputBuffer;
void *outputBuffer;
int inputChannelCount;
int outputChannelCount;
PaSampleFormat inputSampleFormat;
PaSampleFormat outputSampleFormat;
PaUtilTriangularDitherGenerator *ditherGenerator;
}
PaMacClientData;
// ===== CoreAudio-PortAudio bridge functions =====
#pragma mark CoreAudio-PortAudio bridge functions
// Maps CoreAudio OSStatus codes to PortAudio PaError codes
static PaError conv_err(OSStatus error)
{
PaError result;
switch (error) {
case kAudioHardwareNoError:
result = paNoError; break;
case kAudioHardwareNotRunningError:
result = paInternalError; break;
case kAudioHardwareUnspecifiedError:
result = paInternalError; break;
case kAudioHardwareUnknownPropertyError:
result = paInternalError; break;
case kAudioHardwareBadPropertySizeError:
result = paInternalError; break;
case kAudioHardwareIllegalOperationError:
result = paInternalError; break;
case kAudioHardwareBadDeviceError:
result = paInvalidDevice; break;
case kAudioHardwareBadStreamError:
result = paBadStreamPtr; break;
case kAudioHardwareUnsupportedOperationError:
result = paInternalError; break;
case kAudioDeviceUnsupportedFormatError:
result = paSampleFormatNotSupported; break;
case kAudioDevicePermissionsError:
result = paDeviceUnavailable; break;
default:
result = paInternalError;
}
return result;
}
/* This function is unused
static AudioStreamBasicDescription *InitializeStreamDescription(const PaStreamParameters *parameters, double sampleRate)
{
struct AudioStreamBasicDescription *streamDescription = PaUtil_AllocateMemory(sizeof(AudioStreamBasicDescription));
streamDescription->mSampleRate = sampleRate;
streamDescription->mFormatID = kAudioFormatLinearPCM;
streamDescription->mFormatFlags = 0;
streamDescription->mFramesPerPacket = 1;
if (parameters->sampleFormat & paNonInterleaved) {
streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsNonInterleaved;
streamDescription->mChannelsPerFrame = 1;
streamDescription->mBytesPerFrame = Pa_GetSampleSize(parameters->sampleFormat);
streamDescription->mBytesPerPacket = Pa_GetSampleSize(parameters->sampleFormat);
}
else {
streamDescription->mChannelsPerFrame = parameters->channelCount;
}
streamDescription->mBytesPerFrame = Pa_GetSampleSize(parameters->sampleFormat) * streamDescription->mChannelsPerFrame;
streamDescription->mBytesPerPacket = streamDescription->mBytesPerFrame * streamDescription->mFramesPerPacket;
if (parameters->sampleFormat & paFloat32) {
streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsFloat;
streamDescription->mBitsPerChannel = 32;
}
else if (parameters->sampleFormat & paInt32) {
streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
streamDescription->mBitsPerChannel = 32;
}
else if (parameters->sampleFormat & paInt24) {
streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
streamDescription->mBitsPerChannel = 24;
}
else if (parameters->sampleFormat & paInt16) {
streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
streamDescription->mBitsPerChannel = 16;
}
else if (parameters->sampleFormat & paInt8) {
streamDescription->mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
streamDescription->mBitsPerChannel = 8;
}
else if (parameters->sampleFormat & paInt32) {
streamDescription->mBitsPerChannel = 8;
}
return streamDescription;
}
*/
static PaStreamCallbackTimeInfo *InitializeTimeInfo(const AudioTimeStamp* now, const AudioTimeStamp* inputTime, const AudioTimeStamp* outputTime)
{
PaStreamCallbackTimeInfo *timeInfo = PaUtil_AllocateMemory(sizeof(PaStreamCallbackTimeInfo));
timeInfo->inputBufferAdcTime = inputTime->mSampleTime;
timeInfo->currentTime = now->mSampleTime;
timeInfo->outputBufferDacTime = outputTime->mSampleTime;
return timeInfo;
}
// ===== support functions =====
#pragma mark support functions
static void CleanUp(PaMacCoreHostApiRepresentation *macCoreHostApi)
{
if( macCoreHostApi->allocations )
{
PaUtil_FreeAllAllocations( macCoreHostApi->allocations );
PaUtil_DestroyAllocationGroup( macCoreHostApi->allocations );
}
PaUtil_FreeMemory( macCoreHostApi );
}
static PaError GetChannelInfo(PaDeviceInfo *deviceInfo, AudioDeviceID macCoreDeviceId, int isInput)
{
UInt32 propSize;
PaError err = paNoError;
UInt32 i;
int numChannels = 0;
AudioBufferList *buflist;
err = conv_err(AudioDeviceGetPropertyInfo(macCoreDeviceId, 0, isInput, kAudioDevicePropertyStreamConfiguration, &propSize, NULL));
buflist = PaUtil_AllocateMemory(propSize);
err = conv_err(AudioDeviceGetProperty(macCoreDeviceId, 0, isInput, kAudioDevicePropertyStreamConfiguration, &propSize, buflist));
if (!err) {
for (i = 0; i < buflist->mNumberBuffers; ++i) {
numChannels += buflist->mBuffers[i].mNumberChannels;
}
if (isInput)
deviceInfo->maxInputChannels = numChannels;
else
deviceInfo->maxOutputChannels = numChannels;
int frameLatency;
propSize = sizeof(UInt32);
err = conv_err(AudioDeviceGetProperty(macCoreDeviceId, 0, isInput, kAudioDevicePropertyLatency, &propSize, &frameLatency));
if (!err) {
double secondLatency = frameLatency / deviceInfo->defaultSampleRate;
if (isInput) {
deviceInfo->defaultLowInputLatency = secondLatency;
deviceInfo->defaultHighInputLatency = secondLatency;
}
else {
deviceInfo->defaultLowOutputLatency = secondLatency;
deviceInfo->defaultHighOutputLatency = secondLatency;
}
}
}
PaUtil_FreeMemory(buflist);
return err;
}
static PaError InitializeDeviceInfo(PaMacCoreDeviceInfo *macCoreDeviceInfo, AudioDeviceID macCoreDeviceId, PaHostApiIndex hostApiIndex )
{
PaDeviceInfo *deviceInfo = &macCoreDeviceInfo->inheritedDeviceInfo;
deviceInfo->structVersion = 2;
deviceInfo->hostApi = hostApiIndex;
PaError err = paNoError;
UInt32 propSize;
err = conv_err(AudioDeviceGetPropertyInfo(macCoreDeviceId, 0, 0, kAudioDevicePropertyDeviceName, &propSize, NULL));
// FIXME: this allocation should be part of the allocations group
char *name = PaUtil_AllocateMemory(propSize);
err = conv_err(AudioDeviceGetProperty(macCoreDeviceId, 0, 0, kAudioDevicePropertyDeviceName, &propSize, name));
if (!err) {
deviceInfo->name = name;
}
Float64 sampleRate;
propSize = sizeof(Float64);
err = conv_err(AudioDeviceGetProperty(macCoreDeviceId, 0, 0, kAudioDevicePropertyNominalSampleRate, &propSize, &sampleRate));
if (!err) {
deviceInfo->defaultSampleRate = sampleRate;
}
// Get channel info
err = GetChannelInfo(deviceInfo, macCoreDeviceId, 1);
err = GetChannelInfo(deviceInfo, macCoreDeviceId, 0);
return err;
}
static PaError InitializeDeviceInfos( PaMacCoreHostApiRepresentation *macCoreHostApi, PaHostApiIndex hostApiIndex )
{
PaError result = paNoError;
PaUtilHostApiRepresentation *hostApi;
PaMacCoreDeviceInfo *deviceInfoArray;
// initialise device counts and default devices under the assumption that there are no devices. These values are incremented below if and when devices are successfully initialized.
hostApi = &macCoreHostApi->inheritedHostApiRep;
hostApi->info.deviceCount = 0;
hostApi->info.defaultInputDevice = paNoDevice;
hostApi->info.defaultOutputDevice = paNoDevice;
UInt32 propsize;
AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, &propsize, NULL);
int numDevices = propsize / sizeof(AudioDeviceID);
hostApi->info.deviceCount = numDevices;
if (numDevices > 0) {
hostApi->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory(
macCoreHostApi->allocations, sizeof(PaDeviceInfo*) * numDevices );
if( !hostApi->deviceInfos )
{
return paInsufficientMemory;
}
// allocate all device info structs in a contiguous block
deviceInfoArray = (PaMacCoreDeviceInfo*)PaUtil_GroupAllocateMemory(
macCoreHostApi->allocations, sizeof(PaMacCoreDeviceInfo) * numDevices );
if( !deviceInfoArray )
{
return paInsufficientMemory;
}
macCoreHostApi->macCoreDeviceIds = PaUtil_GroupAllocateMemory(macCoreHostApi->allocations, propsize);
AudioHardwareGetProperty(kAudioHardwarePropertyDevices, &propsize, macCoreHostApi->macCoreDeviceIds);
AudioDeviceID defaultInputDevice, defaultOutputDevice;
propsize = sizeof(AudioDeviceID);
AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &propsize, &defaultInputDevice);
AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &propsize, &defaultOutputDevice);
UInt32 i;
for (i = 0; i < numDevices; ++i) {
if (macCoreHostApi->macCoreDeviceIds[i] == defaultInputDevice) {
hostApi->info.defaultInputDevice = i;
}
if (macCoreHostApi->macCoreDeviceIds[i] == defaultOutputDevice) {
hostApi->info.defaultOutputDevice = i;
}
InitializeDeviceInfo(&deviceInfoArray[i], macCoreHostApi->macCoreDeviceIds[i], hostApiIndex);
hostApi->deviceInfos[i] = &(deviceInfoArray[i].inheritedDeviceInfo);
}
}
return result;
}
static OSStatus CheckFormat(AudioDeviceID macCoreDeviceId, const PaStreamParameters *parameters, double sampleRate, int isInput)
{
UInt32 propSize = sizeof(AudioStreamBasicDescription);
AudioStreamBasicDescription *streamDescription = PaUtil_AllocateMemory(propSize);
streamDescription->mSampleRate = sampleRate;
streamDescription->mFormatID = 0;
streamDescription->mFormatFlags = 0;
streamDescription->mBytesPerPacket = 0;
streamDescription->mFramesPerPacket = 0;
streamDescription->mBytesPerFrame = 0;
streamDescription->mChannelsPerFrame = 0;
streamDescription->mBitsPerChannel = 0;
streamDescription->mReserved = 0;
OSStatus result = AudioDeviceGetProperty(macCoreDeviceId, 0, isInput, kAudioDevicePropertyStreamFormatSupported, &propSize, streamDescription);
PaUtil_FreeMemory(streamDescription);
return result;
}
static OSStatus CopyInputData(PaMacClientData* destination, const AudioBufferList *source, unsigned long frameCount)
{
int frameSpacing, channelSpacing;
if (destination->inputSampleFormat & paNonInterleaved) {
frameSpacing = 1;
channelSpacing = destination->inputChannelCount;
}
else {
frameSpacing = destination->inputChannelCount;
channelSpacing = 1;
}
AudioBuffer const *inputBuffer = &source->mBuffers[0];
void *coreAudioBuffer = inputBuffer->mData;
void *portAudioBuffer = destination->inputBuffer;
UInt32 i, streamNumber, streamChannel;
for (i = streamNumber = streamChannel = 0; i < destination->inputChannelCount; ++i, ++streamChannel) {
if (streamChannel >= inputBuffer->mNumberChannels) {
++streamNumber;
inputBuffer = &source->mBuffers[streamNumber];
coreAudioBuffer = inputBuffer->mData;
streamChannel = 0;
}
destination->inputConverter(portAudioBuffer, frameSpacing, coreAudioBuffer, inputBuffer->mNumberChannels, frameCount, destination->ditherGenerator);
coreAudioBuffer += sizeof(Float32);
portAudioBuffer += Pa_GetSampleSize(destination->inputSampleFormat) * channelSpacing;
}
return noErr;
}
static OSStatus CopyOutputData(AudioBufferList* destination, PaMacClientData *source, unsigned long frameCount)
{
int frameSpacing, channelSpacing;
if (source->outputSampleFormat & paNonInterleaved) {
frameSpacing = 1;
channelSpacing = source->outputChannelCount;
}
else {
frameSpacing = source->outputChannelCount;
channelSpacing = 1;
}
AudioBuffer *outputBuffer = &destination->mBuffers[0];
void *coreAudioBuffer = outputBuffer->mData;
void *portAudioBuffer = source->outputBuffer;
UInt32 i, streamNumber, streamChannel;
for (i = streamNumber = streamChannel = 0; i < source->outputChannelCount; ++i, ++streamChannel) {
if (streamChannel >= outputBuffer->mNumberChannels) {
++streamNumber;
outputBuffer = &destination->mBuffers[streamNumber];
coreAudioBuffer = outputBuffer->mData;
streamChannel = 0;
}
source->outputConverter(coreAudioBuffer, outputBuffer->mNumberChannels, portAudioBuffer, frameSpacing, frameCount, NULL);
coreAudioBuffer += sizeof(Float32);
portAudioBuffer += Pa_GetSampleSize(source->outputSampleFormat) * channelSpacing;
}
return noErr;
}
static OSStatus AudioIOProc( AudioDeviceID inDevice,
const AudioTimeStamp* inNow,
const AudioBufferList* inInputData,
const AudioTimeStamp* inInputTime,
AudioBufferList* outOutputData,
const AudioTimeStamp* inOutputTime,
void* inClientData)
{
PaMacClientData *clientData = (PaMacClientData *)inClientData;
PaStreamCallbackTimeInfo *timeInfo = InitializeTimeInfo(inNow, inInputTime, inOutputTime);
PaUtil_BeginCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer );
AudioBuffer *outputBuffer = &outOutputData->mBuffers[0];
unsigned long frameCount = outputBuffer->mDataByteSize / (outputBuffer->mNumberChannels * sizeof(Float32));
if (clientData->inputBuffer) {
CopyInputData(clientData, inInputData, frameCount);
}
PaStreamCallbackResult result = clientData->callback(clientData->inputBuffer, clientData->outputBuffer, frameCount, timeInfo, paNoFlag, clientData->userData);
if (clientData->outputBuffer) {
CopyOutputData(outOutputData, clientData, frameCount);
}
PaUtil_EndCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer, frameCount );
if (result == paComplete || result == paAbort) {
Pa_StopStream(clientData->stream);
}
PaUtil_FreeMemory( timeInfo );
return noErr;
}
// This is not for input-only streams, this is for streams where the input device is different from the output device
static OSStatus AudioInputProc( AudioDeviceID inDevice,
const AudioTimeStamp* inNow,
const AudioBufferList* inInputData,
const AudioTimeStamp* inInputTime,
AudioBufferList* outOutputData,
const AudioTimeStamp* inOutputTime,
void* inClientData)
{
PaMacClientData *clientData = (PaMacClientData *)inClientData;
PaStreamCallbackTimeInfo *timeInfo = InitializeTimeInfo(inNow, inInputTime, inOutputTime);
PaUtil_BeginCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer );
AudioBuffer const *inputBuffer = &inInputData->mBuffers[0];
unsigned long frameCount = inputBuffer->mDataByteSize / (inputBuffer->mNumberChannels * sizeof(Float32));
CopyInputData(clientData, inInputData, frameCount);
PaStreamCallbackResult result = clientData->callback(clientData->inputBuffer, clientData->outputBuffer, frameCount, timeInfo, paNoFlag, clientData->userData);
PaUtil_EndCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer, frameCount );
if( result == paComplete || result == paAbort )
Pa_StopStream(clientData->stream);
PaUtil_FreeMemory( timeInfo );
return noErr;
}
// This is not for output-only streams, this is for streams where the input device is different from the output device
static OSStatus AudioOutputProc( AudioDeviceID inDevice,
const AudioTimeStamp* inNow,
const AudioBufferList* inInputData,
const AudioTimeStamp* inInputTime,
AudioBufferList* outOutputData,
const AudioTimeStamp* inOutputTime,
void* inClientData)
{
PaMacClientData *clientData = (PaMacClientData *)inClientData;
//PaStreamCallbackTimeInfo *timeInfo = InitializeTimeInfo(inNow, inInputTime, inOutputTime);
PaUtil_BeginCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer );
AudioBuffer *outputBuffer = &outOutputData->mBuffers[0];
unsigned long frameCount = outputBuffer->mDataByteSize / (outputBuffer->mNumberChannels * sizeof(Float32));
//clientData->callback(NULL, clientData->outputBuffer, frameCount, timeInfo, paNoFlag, clientData->userData);
CopyOutputData(outOutputData, clientData, frameCount);
PaUtil_EndCpuLoadMeasurement( &clientData->stream->cpuLoadMeasurer, frameCount );
return noErr;
}
static PaError SetSampleRate(AudioDeviceID device, double sampleRate, int isInput)
{
PaError result = paNoError;
double actualSampleRate;
UInt32 propSize = sizeof(double);
result = conv_err(AudioDeviceSetProperty(device, NULL, 0, isInput, kAudioDevicePropertyNominalSampleRate, propSize, &sampleRate));
result = conv_err(AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyNominalSampleRate, &propSize, &actualSampleRate));
if (result == paNoError && actualSampleRate != sampleRate) {
result = paInvalidSampleRate;
}
return result;
}
static PaError SetFramesPerBuffer(AudioDeviceID device, unsigned long framesPerBuffer, int isInput)
{
PaError result = paNoError;
UInt32 preferredFramesPerBuffer = framesPerBuffer;
// while (preferredFramesPerBuffer > UINT32_MAX) {
// preferredFramesPerBuffer /= 2;
// }
UInt32 actualFramesPerBuffer;
UInt32 propSize = sizeof(UInt32);
result = conv_err(AudioDeviceSetProperty(device, NULL, 0, isInput, kAudioDevicePropertyBufferFrameSize, propSize, &preferredFramesPerBuffer));
result = conv_err(AudioDeviceGetProperty(device, 0, isInput, kAudioDevicePropertyBufferFrameSize, &propSize, &actualFramesPerBuffer));
if (result != paNoError) {
// do nothing
}
else if (actualFramesPerBuffer > framesPerBuffer) {
result = paBufferTooSmall;
}
else if (actualFramesPerBuffer < framesPerBuffer) {
result = paBufferTooBig;
}
return result;
}
static PaError SetUpUnidirectionalStream(AudioDeviceID device, double sampleRate, unsigned long framesPerBuffer, int isInput)
{
PaError err = paNoError;
err = SetSampleRate(device, sampleRate, isInput);
if( err == paNoError )
err = SetFramesPerBuffer(device, framesPerBuffer, isInput);
return err;
}
// ===== PortAudio functions =====
#pragma mark PortAudio functions
#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus
PaError PaMacCore_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index );
#ifdef __cplusplus
}
#endif // __cplusplus
static void Terminate( struct PaUtilHostApiRepresentation *hostApi )
{
PaMacCoreHostApiRepresentation *macCoreHostApi = (PaMacCoreHostApiRepresentation*)hostApi;
CleanUp(macCoreHostApi);
}
static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi,
const PaStreamParameters *inputParameters,
const PaStreamParameters *outputParameters,
double sampleRate )
{
PaMacCoreHostApiRepresentation *macCoreHostApi = (PaMacCoreHostApiRepresentation*)hostApi;
PaDeviceInfo *deviceInfo;
PaError result = paNoError;
if (inputParameters) {
deviceInfo = macCoreHostApi->inheritedHostApiRep.deviceInfos[inputParameters->device];
if (inputParameters->channelCount > deviceInfo->maxInputChannels)
result = paInvalidChannelCount;
else if (CheckFormat(macCoreHostApi->macCoreDeviceIds[inputParameters->device], inputParameters, sampleRate, 1) != kAudioHardwareNoError) {
result = paInvalidSampleRate;
}
}
if (outputParameters && result == paNoError) {
deviceInfo = macCoreHostApi->inheritedHostApiRep.deviceInfos[outputParameters->device];
if (outputParameters->channelCount > deviceInfo->maxOutputChannels)
result = paInvalidChannelCount;
else if (CheckFormat(macCoreHostApi->macCoreDeviceIds[outputParameters->device], outputParameters, sampleRate, 0) != kAudioHardwareNoError) {
result = paInvalidSampleRate;
}
}
return result;
}
static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
PaStream** s,
const PaStreamParameters *inputParameters,
const PaStreamParameters *outputParameters,
double sampleRate,
unsigned long framesPerBuffer,
PaStreamFlags streamFlags,
PaStreamCallback *streamCallback,
void *userData )
{
PaError err = paNoError;
PaMacCoreHostApiRepresentation *macCoreHostApi = (PaMacCoreHostApiRepresentation *)hostApi;
PaMacCoreStream *stream = PaUtil_AllocateMemory(sizeof(PaMacCoreStream));
stream->isActive = 0;
stream->isStopped = 1;
stream->inputDevice = kAudioDeviceUnknown;
stream->outputDevice = kAudioDeviceUnknown;
PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation,
( (streamCallback)
? &macCoreHostApi->callbackStreamInterface
: &macCoreHostApi->blockingStreamInterface ),
streamCallback, userData );
PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate );
*s = (PaStream*)stream;
PaMacClientData *clientData = PaUtil_AllocateMemory(sizeof(PaMacClientData));
clientData->stream = stream;
clientData->callback = streamCallback;
clientData->userData = userData;
clientData->inputBuffer = 0;
clientData->outputBuffer = 0;
clientData->ditherGenerator = PaUtil_AllocateMemory(sizeof(PaUtilTriangularDitherGenerator));
PaUtil_InitializeTriangularDitherState(clientData->ditherGenerator);
if (inputParameters != NULL) {
stream->inputDevice = macCoreHostApi->macCoreDeviceIds[inputParameters->device];
clientData->inputConverter = PaUtil_SelectConverter(paFloat32, inputParameters->sampleFormat, streamFlags);
clientData->inputBuffer = PaUtil_AllocateMemory(Pa_GetSampleSize(inputParameters->sampleFormat) * framesPerBuffer * inputParameters->channelCount);
clientData->inputChannelCount = inputParameters->channelCount;
clientData->inputSampleFormat = inputParameters->sampleFormat;
err = SetUpUnidirectionalStream(stream->inputDevice, sampleRate, framesPerBuffer, 1);
}
if (err == paNoError && outputParameters != NULL) {
stream->outputDevice = macCoreHostApi->macCoreDeviceIds[outputParameters->device];
clientData->outputConverter = PaUtil_SelectConverter(outputParameters->sampleFormat, paFloat32, streamFlags);
clientData->outputBuffer = PaUtil_AllocateMemory(Pa_GetSampleSize(outputParameters->sampleFormat) * framesPerBuffer * outputParameters->channelCount);
clientData->outputChannelCount = outputParameters->channelCount;
clientData->outputSampleFormat = outputParameters->sampleFormat;
err = SetUpUnidirectionalStream(stream->outputDevice, sampleRate, framesPerBuffer, 0);
}
if (inputParameters == NULL || outputParameters == NULL || stream->inputDevice == stream->outputDevice) {
AudioDeviceID device = (inputParameters == NULL) ? stream->outputDevice : stream->inputDevice;
AudioDeviceAddIOProc(device, AudioIOProc, clientData);
}
else {
// using different devices for input and output
AudioDeviceAddIOProc(stream->inputDevice, AudioInputProc, clientData);
AudioDeviceAddIOProc(stream->outputDevice, AudioOutputProc, clientData);
}
return err;
}
// Note: When CloseStream() is called, the multi-api layer ensures that the stream has already been stopped or aborted.
static PaError CloseStream( PaStream* s )
{
PaError err = paNoError;
PaMacCoreStream *stream = (PaMacCoreStream*)s;
PaUtil_ResetCpuLoadMeasurer( &stream->cpuLoadMeasurer );
if (stream->inputDevice != kAudioDeviceUnknown) {
if (stream->outputDevice == kAudioDeviceUnknown || stream->outputDevice == stream->inputDevice) {
err = conv_err(AudioDeviceRemoveIOProc(stream->inputDevice, AudioIOProc));
}
else {
err = conv_err(AudioDeviceRemoveIOProc(stream->inputDevice, AudioInputProc));
err = conv_err(AudioDeviceRemoveIOProc(stream->outputDevice, AudioOutputProc));
}
}
else {
err = conv_err(AudioDeviceRemoveIOProc(stream->outputDevice, AudioIOProc));
}
return err;
}
static PaError StartStream( PaStream *s )
{
PaError err = paNoError;
PaMacCoreStream *stream = (PaMacCoreStream*)s;
if (stream->inputDevice != kAudioDeviceUnknown) {
if (stream->outputDevice == kAudioDeviceUnknown || stream->outputDevice == stream->inputDevice) {
err = conv_err(AudioDeviceStart(stream->inputDevice, AudioIOProc));
}
else {
err = conv_err(AudioDeviceStart(stream->inputDevice, AudioInputProc));
err = conv_err(AudioDeviceStart(stream->outputDevice, AudioOutputProc));
}
}
else {
err = conv_err(AudioDeviceStart(stream->outputDevice, AudioIOProc));
}
stream->isActive = 1;
stream->isStopped = 0;
return err;
}
static PaError AbortStream( PaStream *s )
{
PaError err = paNoError;
PaMacCoreStream *stream = (PaMacCoreStream*)s;
if (stream->inputDevice != kAudioDeviceUnknown) {
if (stream->outputDevice == kAudioDeviceUnknown || stream->outputDevice == stream->inputDevice) {
err = conv_err(AudioDeviceStop(stream->inputDevice, AudioIOProc));
}
else {
err = conv_err(AudioDeviceStop(stream->inputDevice, AudioInputProc));
err = conv_err(AudioDeviceStop(stream->outputDevice, AudioOutputProc));
}
}
else {
err = conv_err(AudioDeviceStop(stream->outputDevice, AudioIOProc));
}
stream->isActive = 0;
stream->isStopped = 1;
return err;
}
static PaError StopStream( PaStream *s )
{
// TODO: this should be nicer than abort
return AbortStream(s);
}
static PaError IsStreamStopped( PaStream *s )
{
PaMacCoreStream *stream = (PaMacCoreStream*)s;
return stream->isStopped;
}
static PaError IsStreamActive( PaStream *s )
{
PaMacCoreStream *stream = (PaMacCoreStream*)s;
return stream->isActive;
}
static PaTime GetStreamTime( PaStream *s )
{
OSStatus err;
PaTime result;
PaMacCoreStream *stream = (PaMacCoreStream*)s;
AudioTimeStamp *timeStamp = PaUtil_AllocateMemory(sizeof(AudioTimeStamp));
if (stream->inputDevice != kAudioDeviceUnknown) {
err = AudioDeviceGetCurrentTime(stream->inputDevice, timeStamp);
}
else {
err = AudioDeviceGetCurrentTime(stream->outputDevice, timeStamp);
}
result = err ? 0 : timeStamp->mSampleTime;
PaUtil_FreeMemory(timeStamp);
return result;
}
static double GetStreamCpuLoad( PaStream* s )
{
PaMacCoreStream *stream = (PaMacCoreStream*)s;
return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer );
}
// As separate stream interfaces are used for blocking and callback streams, the following functions can be guaranteed to only be called for blocking streams.
static PaError ReadStream( PaStream* s,
void *buffer,
unsigned long frames )
{
return paInternalError;
}
static PaError WriteStream( PaStream* s,
const void *buffer,
unsigned long frames )
{
return paInternalError;
}
static signed long GetStreamReadAvailable( PaStream* s )
{
return paInternalError;
}
static signed long GetStreamWriteAvailable( PaStream* s )
{
return paInternalError;
}
// HostAPI-specific initialization function
PaError PaMacCore_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex )
{
PaError result = paNoError;
PaMacCoreHostApiRepresentation *macCoreHostApi = (PaMacCoreHostApiRepresentation *)PaUtil_AllocateMemory( sizeof(PaMacCoreHostApiRepresentation) );
if( !macCoreHostApi )
{
result = paInsufficientMemory;
goto error;
}
macCoreHostApi->allocations = PaUtil_CreateAllocationGroup();
if( !macCoreHostApi->allocations )
{
result = paInsufficientMemory;
goto error;
}
*hostApi = &macCoreHostApi->inheritedHostApiRep;
(*hostApi)->info.structVersion = 1;
(*hostApi)->info.type = paCoreAudio;
(*hostApi)->info.name = "CoreAudio";
result = InitializeDeviceInfos(macCoreHostApi, hostApiIndex);
if (result != paNoError) {
goto error;
}
// Set up the proper callbacks to this HostApi's functions
(*hostApi)->Terminate = Terminate;
(*hostApi)->OpenStream = OpenStream;
(*hostApi)->IsFormatSupported = IsFormatSupported;
PaUtil_InitializeStreamInterface( &macCoreHostApi->callbackStreamInterface, CloseStream, StartStream,
StopStream, AbortStream, IsStreamStopped, IsStreamActive,
GetStreamTime, GetStreamCpuLoad,
PaUtil_DummyRead, PaUtil_DummyWrite,
PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable );
PaUtil_InitializeStreamInterface( &macCoreHostApi->blockingStreamInterface, CloseStream, StartStream,
StopStream, AbortStream, IsStreamStopped, IsStreamActive,
GetStreamTime, PaUtil_DummyGetCpuLoad,
ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable );
return result;
error:
if( macCoreHostApi ) {
CleanUp(macCoreHostApi);
}
return result;
}

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#include "../unix/pa_unix_hostapis.c"

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#include "../unix/pa_unix_util.c"