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libtgvoip/os/darwin/AudioOutputAudioUnitOSX.cpp

366 lines
14 KiB
C++

//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#include <stdlib.h>
#include <stdio.h>
#include <sys/sysctl.h>
#include "AudioOutputAudioUnitOSX.h"
#include "../../logging.h"
#include "../../VoIPController.h"
#define BUFFER_SIZE 960
#define CHECK_AU_ERROR(res, msg) if(res!=noErr){ LOGE("output: " msg": OSStatus=%d", (int)res); return; }
#define kOutputBus 0
#define kInputBus 1
using namespace tgvoip;
using namespace tgvoip::audio;
AudioOutputAudioUnitLegacy::AudioOutputAudioUnitLegacy(std::string deviceID){
remainingDataSize=0;
isPlaying=false;
sysDevID=0;
OSStatus status;
AudioComponentDescription inputDesc={
.componentType = kAudioUnitType_Output, .componentSubType = kAudioUnitSubType_HALOutput, .componentFlags = 0, .componentFlagsMask = 0,
.componentManufacturer = kAudioUnitManufacturer_Apple
};
AudioComponent component=AudioComponentFindNext(NULL, &inputDesc);
status=AudioComponentInstanceNew(component, &unit);
CHECK_AU_ERROR(status, "Error creating AudioUnit");
UInt32 flag=1;
status = AudioUnitSetProperty(unit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, kOutputBus, &flag, sizeof(flag));
CHECK_AU_ERROR(status, "Error enabling AudioUnit output");
flag=0;
status = AudioUnitSetProperty(unit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, kInputBus, &flag, sizeof(flag));
CHECK_AU_ERROR(status, "Error enabling AudioUnit input");
char model[128];
memset(model, 0, sizeof(model));
size_t msize=sizeof(model);
int mres=sysctlbyname("hw.model", model, &msize, NULL, 0);
if(mres==0){
LOGV("Mac model: %s", model);
isMacBookPro=(strncmp("MacBookPro", model, 10)==0);
}
SetCurrentDevice(deviceID);
CFRunLoopRef theRunLoop = NULL;
AudioObjectPropertyAddress propertyAddress = { kAudioHardwarePropertyRunLoop,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster };
status = AudioObjectSetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, sizeof(CFRunLoopRef), &theRunLoop);
propertyAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
propertyAddress.mScope = kAudioObjectPropertyScopeGlobal;
propertyAddress.mElement = kAudioObjectPropertyElementMaster;
AudioObjectAddPropertyListener(kAudioObjectSystemObject, &propertyAddress, AudioOutputAudioUnitLegacy::DefaultDeviceChangedCallback, this);
AudioStreamBasicDescription desiredFormat={
.mSampleRate=/*hardwareFormat.mSampleRate*/48000, .mFormatID=kAudioFormatLinearPCM, .mFormatFlags=kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked | kAudioFormatFlagsNativeEndian,
.mFramesPerPacket=1, .mChannelsPerFrame=1, .mBitsPerChannel=16, .mBytesPerPacket=2, .mBytesPerFrame=2
};
status=AudioUnitSetProperty(unit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, kOutputBus, &desiredFormat, sizeof(desiredFormat));
CHECK_AU_ERROR(status, "Error setting format");
AURenderCallbackStruct callbackStruct;
callbackStruct.inputProc = AudioOutputAudioUnitLegacy::BufferCallback;
callbackStruct.inputProcRefCon=this;
status = AudioUnitSetProperty(unit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Global, kOutputBus, &callbackStruct, sizeof(callbackStruct));
CHECK_AU_ERROR(status, "Error setting input buffer callback");
status=AudioUnitInitialize(unit);
CHECK_AU_ERROR(status, "Error initializing unit");
}
AudioOutputAudioUnitLegacy::~AudioOutputAudioUnitLegacy(){
AudioObjectPropertyAddress propertyAddress;
propertyAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
propertyAddress.mScope = kAudioObjectPropertyScopeGlobal;
propertyAddress.mElement = kAudioObjectPropertyElementMaster;
AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &propertyAddress, AudioOutputAudioUnitLegacy::DefaultDeviceChangedCallback, this);
AudioObjectPropertyAddress dataSourceProp={
kAudioDevicePropertyDataSource,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
if(isMacBookPro && sysDevID && AudioObjectHasProperty(sysDevID, &dataSourceProp)){
AudioObjectRemovePropertyListener(sysDevID, &dataSourceProp, AudioOutputAudioUnitLegacy::DefaultDeviceChangedCallback, this);
}
AudioUnitUninitialize(unit);
AudioComponentInstanceDispose(unit);
}
void AudioOutputAudioUnitLegacy::Start(){
isPlaying=true;
OSStatus status=AudioOutputUnitStart(unit);
CHECK_AU_ERROR(status, "Error starting AudioUnit");
}
void AudioOutputAudioUnitLegacy::Stop(){
isPlaying=false;
OSStatus status=AudioOutputUnitStart(unit);
CHECK_AU_ERROR(status, "Error stopping AudioUnit");
}
OSStatus AudioOutputAudioUnitLegacy::BufferCallback(void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData){
AudioOutputAudioUnitLegacy* input=(AudioOutputAudioUnitLegacy*) inRefCon;
input->HandleBufferCallback(ioData);
return noErr;
}
bool AudioOutputAudioUnitLegacy::IsPlaying(){
return isPlaying;
}
void AudioOutputAudioUnitLegacy::HandleBufferCallback(AudioBufferList *ioData){
int i;
for(i=0;i<ioData->mNumberBuffers;i++){
AudioBuffer buf=ioData->mBuffers[i];
if(!isPlaying){
memset(buf.mData, 0, buf.mDataByteSize);
return;
}
while(remainingDataSize<buf.mDataByteSize){
assert(remainingDataSize+BUFFER_SIZE*2<10240);
InvokeCallback(remainingData+remainingDataSize, BUFFER_SIZE*2);
remainingDataSize+=BUFFER_SIZE*2;
}
memcpy(buf.mData, remainingData, buf.mDataByteSize);
remainingDataSize-=buf.mDataByteSize;
memmove(remainingData, remainingData+buf.mDataByteSize, remainingDataSize);
}
}
void AudioOutputAudioUnitLegacy::EnumerateDevices(std::vector<AudioOutputDevice>& devs){
AudioObjectPropertyAddress propertyAddress = {
kAudioHardwarePropertyDevices,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
UInt32 dataSize = 0;
OSStatus status = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &dataSize);
if(kAudioHardwareNoError != status) {
LOGE("AudioObjectGetPropertyDataSize (kAudioHardwarePropertyDevices) failed: %i", status);
return;
}
UInt32 deviceCount = (UInt32)(dataSize / sizeof(AudioDeviceID));
AudioDeviceID *audioDevices = (AudioDeviceID*)(malloc(dataSize));
status = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &dataSize, audioDevices);
if(kAudioHardwareNoError != status) {
LOGE("AudioObjectGetPropertyData (kAudioHardwarePropertyDevices) failed: %i", status);
free(audioDevices);
audioDevices = NULL;
return;
}
// Iterate through all the devices and determine which are input-capable
propertyAddress.mScope = kAudioDevicePropertyScopeOutput;
for(UInt32 i = 0; i < deviceCount; ++i) {
// Query device UID
CFStringRef deviceUID = NULL;
dataSize = sizeof(deviceUID);
propertyAddress.mSelector = kAudioDevicePropertyDeviceUID;
status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL, &dataSize, &deviceUID);
if(kAudioHardwareNoError != status) {
LOGE("AudioObjectGetPropertyData (kAudioDevicePropertyDeviceUID) failed: %i", status);
continue;
}
// Query device name
CFStringRef deviceName = NULL;
dataSize = sizeof(deviceName);
propertyAddress.mSelector = kAudioDevicePropertyDeviceNameCFString;
status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL, &dataSize, &deviceName);
if(kAudioHardwareNoError != status) {
LOGE("AudioObjectGetPropertyData (kAudioDevicePropertyDeviceNameCFString) failed: %i", status);
continue;
}
// Determine if the device is an input device (it is an input device if it has input channels)
dataSize = 0;
propertyAddress.mSelector = kAudioDevicePropertyStreamConfiguration;
status = AudioObjectGetPropertyDataSize(audioDevices[i], &propertyAddress, 0, NULL, &dataSize);
if(kAudioHardwareNoError != status) {
LOGE("AudioObjectGetPropertyDataSize (kAudioDevicePropertyStreamConfiguration) failed: %i", status);
continue;
}
AudioBufferList *bufferList = (AudioBufferList*)(malloc(dataSize));
status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL, &dataSize, bufferList);
if(kAudioHardwareNoError != status || 0 == bufferList->mNumberBuffers) {
if(kAudioHardwareNoError != status)
LOGE("AudioObjectGetPropertyData (kAudioDevicePropertyStreamConfiguration) failed: %i", status);
free(bufferList);
bufferList = NULL;
continue;
}
free(bufferList);
bufferList = NULL;
AudioOutputDevice dev;
char buf[1024];
CFStringGetCString(deviceName, buf, 1024, kCFStringEncodingUTF8);
dev.displayName=std::string(buf);
CFStringGetCString(deviceUID, buf, 1024, kCFStringEncodingUTF8);
dev.id=std::string(buf);
if(dev.id.rfind("VPAUAggregateAudioDevice-0x")==0)
continue;
devs.push_back(dev);
}
free(audioDevices);
audioDevices = NULL;
}
void AudioOutputAudioUnitLegacy::SetCurrentDevice(std::string deviceID){
UInt32 size=sizeof(AudioDeviceID);
AudioDeviceID outputDevice=0;
OSStatus status;
AudioObjectPropertyAddress dataSourceProp={
kAudioDevicePropertyDataSource,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster
};
if(isMacBookPro && sysDevID && AudioObjectHasProperty(sysDevID, &dataSourceProp)){
AudioObjectRemovePropertyListener(sysDevID, &dataSourceProp, AudioOutputAudioUnitLegacy::DefaultDeviceChangedCallback, this);
}
if(deviceID=="default"){
AudioObjectPropertyAddress propertyAddress;
propertyAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
propertyAddress.mScope = kAudioObjectPropertyScopeGlobal;
propertyAddress.mElement = kAudioObjectPropertyElementMaster;
UInt32 propsize = sizeof(AudioDeviceID);
status = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &propsize, &outputDevice);
CHECK_AU_ERROR(status, "Error getting default input device");
}else{
AudioObjectPropertyAddress propertyAddress = {
kAudioHardwarePropertyDevices,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
UInt32 dataSize = 0;
status = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &dataSize);
CHECK_AU_ERROR(status, "Error getting devices size");
UInt32 deviceCount = (UInt32)(dataSize / sizeof(AudioDeviceID));
AudioDeviceID audioDevices[deviceCount];
status = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &dataSize, audioDevices);
CHECK_AU_ERROR(status, "Error getting device list");
for(UInt32 i = 0; i < deviceCount; ++i) {
// Query device UID
CFStringRef deviceUID = NULL;
dataSize = sizeof(deviceUID);
propertyAddress.mSelector = kAudioDevicePropertyDeviceUID;
status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL, &dataSize, &deviceUID);
CHECK_AU_ERROR(status, "Error getting device uid");
char buf[1024];
CFStringGetCString(deviceUID, buf, 1024, kCFStringEncodingUTF8);
if(deviceID==buf){
LOGV("Found device for id %s", buf);
outputDevice=audioDevices[i];
break;
}
}
if(!outputDevice){
LOGW("Requested device not found, using default");
SetCurrentDevice("default");
return;
}
}
status =AudioUnitSetProperty(unit,
kAudioOutputUnitProperty_CurrentDevice,
kAudioUnitScope_Global,
kOutputBus,
&outputDevice,
size);
CHECK_AU_ERROR(status, "Error setting output device");
AudioStreamBasicDescription hardwareFormat;
size=sizeof(hardwareFormat);
status=AudioUnitGetProperty(unit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, kOutputBus, &hardwareFormat, &size);
CHECK_AU_ERROR(status, "Error getting hardware format");
hardwareSampleRate=hardwareFormat.mSampleRate;
AudioStreamBasicDescription desiredFormat={
.mSampleRate=48000, .mFormatID=kAudioFormatLinearPCM, .mFormatFlags=kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked | kAudioFormatFlagsNativeEndian,
.mFramesPerPacket=1, .mChannelsPerFrame=1, .mBitsPerChannel=16, .mBytesPerPacket=2, .mBytesPerFrame=2
};
status=AudioUnitSetProperty(unit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, kOutputBus, &desiredFormat, sizeof(desiredFormat));
CHECK_AU_ERROR(status, "Error setting format");
LOGD("Switched playback device, new sample rate %d", hardwareSampleRate);
this->currentDevice=deviceID;
sysDevID=outputDevice;
AudioObjectPropertyAddress propertyAddress = {
kAudioDevicePropertyBufferFrameSize,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
size=4;
UInt32 bufferFrameSize;
status=AudioObjectGetPropertyData(outputDevice, &propertyAddress, 0, NULL, &size, &bufferFrameSize);
if(status==noErr){
estimatedDelay=bufferFrameSize/48;
LOGD("CoreAudio buffer size for output device is %u frames (%u ms)", bufferFrameSize, estimatedDelay);
}
if(isMacBookPro){
if(AudioObjectHasProperty(outputDevice, &dataSourceProp)){
UInt32 dataSource;
size=4;
AudioObjectGetPropertyData(outputDevice, &dataSourceProp, 0, NULL, &size, &dataSource);
SetPanRight(dataSource=='ispk');
AudioObjectAddPropertyListener(outputDevice, &dataSourceProp, AudioOutputAudioUnitLegacy::DefaultDeviceChangedCallback, this);
}else{
SetPanRight(false);
}
}
}
void AudioOutputAudioUnitLegacy::SetPanRight(bool panRight){
LOGI("%sabling pan right on macbook pro", panRight ? "En" : "Dis");
int32_t channelMap[]={panRight ? -1 : 0, 0};
OSStatus status=AudioUnitSetProperty(unit, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Global, kOutputBus, channelMap, sizeof(channelMap));
CHECK_AU_ERROR(status, "Error setting channel map");
}
OSStatus AudioOutputAudioUnitLegacy::DefaultDeviceChangedCallback(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses, void *inClientData){
AudioOutputAudioUnitLegacy* self=(AudioOutputAudioUnitLegacy*)inClientData;
if(inAddresses[0].mSelector==kAudioHardwarePropertyDefaultOutputDevice){
LOGV("System default input device changed");
if(self->currentDevice=="default"){
self->SetCurrentDevice(self->currentDevice);
}
}else if(inAddresses[0].mSelector==kAudioDevicePropertyDataSource){
UInt32 dataSource;
UInt32 size=4;
AudioObjectGetPropertyData(inObjectID, inAddresses, 0, NULL, &size, &dataSource);
self->SetPanRight(dataSource=='ispk');
}
return noErr;
}