mirror of
https://github.com/danog/libtgvoip.git
synced 2024-12-04 10:37:49 +01:00
5109903e02
On OS X, audio now plays only out of the right speaker on MacBook Pro's to avoid insane echo when using built-in speakers Fixed crash on Linux
369 lines
14 KiB
C++
369 lines
14 KiB
C++
//
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// libtgvoip is free and unencumbered public domain software.
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// For more information, see http://unlicense.org or the UNLICENSE file
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// you should have received with this source code distribution.
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//
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/sysctl.h>
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#include "AudioOutputAudioUnitOSX.h"
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#include "../../logging.h"
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#include "../../VoIPController.h"
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#define BUFFER_SIZE 960
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#define CHECK_AU_ERROR(res, msg) if(res!=noErr){ LOGE("output: " msg": OSStatus=%d", (int)res); return; }
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#define kOutputBus 0
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#define kInputBus 1
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using namespace tgvoip;
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using namespace tgvoip::audio;
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AudioOutputAudioUnit::AudioOutputAudioUnit(std::string deviceID){
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remainingDataSize=0;
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isPlaying=false;
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sysDevID=NULL;
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OSStatus status;
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AudioComponentDescription inputDesc={
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.componentType = kAudioUnitType_Output, .componentSubType = kAudioUnitSubType_HALOutput, .componentFlags = 0, .componentFlagsMask = 0,
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.componentManufacturer = kAudioUnitManufacturer_Apple
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};
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AudioComponent component=AudioComponentFindNext(NULL, &inputDesc);
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status=AudioComponentInstanceNew(component, &unit);
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CHECK_AU_ERROR(status, "Error creating AudioUnit");
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UInt32 flag=1;
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status = AudioUnitSetProperty(unit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, kOutputBus, &flag, sizeof(flag));
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CHECK_AU_ERROR(status, "Error enabling AudioUnit output");
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flag=0;
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status = AudioUnitSetProperty(unit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, kInputBus, &flag, sizeof(flag));
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CHECK_AU_ERROR(status, "Error enabling AudioUnit input");
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char model[128];
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memset(model, 0, sizeof(model));
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size_t msize=sizeof(model);
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int mres=sysctlbyname("hw.model", model, &msize, NULL, 0);
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if(mres==0){
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LOGV("Mac model: %s", model);
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isMacBookPro=(strncmp("MacBookPro", model, 10)==0);
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}
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SetCurrentDevice(deviceID);
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CFRunLoopRef theRunLoop = NULL;
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AudioObjectPropertyAddress propertyAddress = { kAudioHardwarePropertyRunLoop,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster };
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status = AudioObjectSetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, sizeof(CFRunLoopRef), &theRunLoop);
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propertyAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
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propertyAddress.mScope = kAudioObjectPropertyScopeGlobal;
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propertyAddress.mElement = kAudioObjectPropertyElementMaster;
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AudioObjectAddPropertyListener(kAudioObjectSystemObject, &propertyAddress, AudioOutputAudioUnit::DefaultDeviceChangedCallback, this);
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AudioStreamBasicDescription desiredFormat={
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.mSampleRate=/*hardwareFormat.mSampleRate*/48000, .mFormatID=kAudioFormatLinearPCM, .mFormatFlags=kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked | kAudioFormatFlagsNativeEndian,
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.mFramesPerPacket=1, .mChannelsPerFrame=1, .mBitsPerChannel=16, .mBytesPerPacket=2, .mBytesPerFrame=2
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};
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status=AudioUnitSetProperty(unit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, kOutputBus, &desiredFormat, sizeof(desiredFormat));
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CHECK_AU_ERROR(status, "Error setting format");
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AURenderCallbackStruct callbackStruct;
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callbackStruct.inputProc = AudioOutputAudioUnit::BufferCallback;
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callbackStruct.inputProcRefCon=this;
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status = AudioUnitSetProperty(unit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Global, kOutputBus, &callbackStruct, sizeof(callbackStruct));
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CHECK_AU_ERROR(status, "Error setting input buffer callback");
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status=AudioUnitInitialize(unit);
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CHECK_AU_ERROR(status, "Error initializing unit");
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}
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AudioOutputAudioUnit::~AudioOutputAudioUnit(){
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AudioObjectPropertyAddress propertyAddress;
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propertyAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
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propertyAddress.mScope = kAudioObjectPropertyScopeGlobal;
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propertyAddress.mElement = kAudioObjectPropertyElementMaster;
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AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &propertyAddress, AudioOutputAudioUnit::DefaultDeviceChangedCallback, this);
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AudioObjectPropertyAddress dataSourceProp={
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kAudioDevicePropertyDataSource,
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kAudioDevicePropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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if(isMacBookPro && sysDevID && AudioObjectHasProperty(sysDevID, &dataSourceProp)){
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AudioObjectRemovePropertyListener(sysDevID, &dataSourceProp, AudioOutputAudioUnit::DefaultDeviceChangedCallback, this);
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}
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AudioUnitUninitialize(unit);
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AudioComponentInstanceDispose(unit);
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}
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void AudioOutputAudioUnit::Configure(uint32_t sampleRate, uint32_t bitsPerSample, uint32_t channels){
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}
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void AudioOutputAudioUnit::Start(){
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isPlaying=true;
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OSStatus status=AudioOutputUnitStart(unit);
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CHECK_AU_ERROR(status, "Error starting AudioUnit");
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}
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void AudioOutputAudioUnit::Stop(){
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isPlaying=false;
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OSStatus status=AudioOutputUnitStart(unit);
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CHECK_AU_ERROR(status, "Error stopping AudioUnit");
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}
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OSStatus AudioOutputAudioUnit::BufferCallback(void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData){
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AudioOutputAudioUnit* input=(AudioOutputAudioUnit*) inRefCon;
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input->HandleBufferCallback(ioData);
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return noErr;
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}
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bool AudioOutputAudioUnit::IsPlaying(){
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return isPlaying;
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}
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void AudioOutputAudioUnit::HandleBufferCallback(AudioBufferList *ioData){
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int i;
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unsigned int k;
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int16_t absVal=0;
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for(i=0;i<ioData->mNumberBuffers;i++){
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AudioBuffer buf=ioData->mBuffers[i];
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if(!isPlaying){
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memset(buf.mData, 0, buf.mDataByteSize);
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return;
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}
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while(remainingDataSize<buf.mDataByteSize){
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assert(remainingDataSize+BUFFER_SIZE*2<10240);
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InvokeCallback(remainingData+remainingDataSize, BUFFER_SIZE*2);
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remainingDataSize+=BUFFER_SIZE*2;
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}
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memcpy(buf.mData, remainingData, buf.mDataByteSize);
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remainingDataSize-=buf.mDataByteSize;
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memmove(remainingData, remainingData+buf.mDataByteSize, remainingDataSize);
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}
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}
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void AudioOutputAudioUnit::EnumerateDevices(std::vector<AudioOutputDevice>& devs){
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AudioObjectPropertyAddress propertyAddress = {
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kAudioHardwarePropertyDevices,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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UInt32 dataSize = 0;
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OSStatus status = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &dataSize);
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if(kAudioHardwareNoError != status) {
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LOGE("AudioObjectGetPropertyDataSize (kAudioHardwarePropertyDevices) failed: %i", status);
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return;
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}
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UInt32 deviceCount = (UInt32)(dataSize / sizeof(AudioDeviceID));
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AudioDeviceID *audioDevices = (AudioDeviceID*)(malloc(dataSize));
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status = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &dataSize, audioDevices);
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if(kAudioHardwareNoError != status) {
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LOGE("AudioObjectGetPropertyData (kAudioHardwarePropertyDevices) failed: %i", status);
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free(audioDevices);
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audioDevices = NULL;
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return;
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}
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// Iterate through all the devices and determine which are input-capable
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propertyAddress.mScope = kAudioDevicePropertyScopeOutput;
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for(UInt32 i = 0; i < deviceCount; ++i) {
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// Query device UID
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CFStringRef deviceUID = NULL;
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dataSize = sizeof(deviceUID);
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propertyAddress.mSelector = kAudioDevicePropertyDeviceUID;
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status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL, &dataSize, &deviceUID);
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if(kAudioHardwareNoError != status) {
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LOGE("AudioObjectGetPropertyData (kAudioDevicePropertyDeviceUID) failed: %i", status);
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continue;
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}
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// Query device name
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CFStringRef deviceName = NULL;
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dataSize = sizeof(deviceName);
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propertyAddress.mSelector = kAudioDevicePropertyDeviceNameCFString;
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status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL, &dataSize, &deviceName);
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if(kAudioHardwareNoError != status) {
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LOGE("AudioObjectGetPropertyData (kAudioDevicePropertyDeviceNameCFString) failed: %i", status);
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continue;
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}
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// Determine if the device is an input device (it is an input device if it has input channels)
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dataSize = 0;
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propertyAddress.mSelector = kAudioDevicePropertyStreamConfiguration;
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status = AudioObjectGetPropertyDataSize(audioDevices[i], &propertyAddress, 0, NULL, &dataSize);
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if(kAudioHardwareNoError != status) {
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LOGE("AudioObjectGetPropertyDataSize (kAudioDevicePropertyStreamConfiguration) failed: %i", status);
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continue;
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}
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AudioBufferList *bufferList = (AudioBufferList*)(malloc(dataSize));
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status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL, &dataSize, bufferList);
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if(kAudioHardwareNoError != status || 0 == bufferList->mNumberBuffers) {
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if(kAudioHardwareNoError != status)
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LOGE("AudioObjectGetPropertyData (kAudioDevicePropertyStreamConfiguration) failed: %i", status);
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free(bufferList);
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bufferList = NULL;
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continue;
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}
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free(bufferList);
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bufferList = NULL;
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AudioOutputDevice dev;
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char buf[1024];
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CFStringGetCString(deviceName, buf, 1024, kCFStringEncodingUTF8);
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dev.displayName=std::string(buf);
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CFStringGetCString(deviceUID, buf, 1024, kCFStringEncodingUTF8);
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dev.id=std::string(buf);
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devs.push_back(dev);
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}
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free(audioDevices);
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audioDevices = NULL;
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}
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void AudioOutputAudioUnit::SetCurrentDevice(std::string deviceID){
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UInt32 size=sizeof(AudioDeviceID);
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AudioDeviceID outputDevice=NULL;
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OSStatus status;
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AudioObjectPropertyAddress dataSourceProp={
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kAudioDevicePropertyDataSource,
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kAudioDevicePropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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if(isMacBookPro && sysDevID && AudioObjectHasProperty(sysDevID, &dataSourceProp)){
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AudioObjectRemovePropertyListener(sysDevID, &dataSourceProp, AudioOutputAudioUnit::DefaultDeviceChangedCallback, this);
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}
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if(deviceID=="default"){
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AudioObjectPropertyAddress propertyAddress;
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propertyAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
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propertyAddress.mScope = kAudioObjectPropertyScopeGlobal;
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propertyAddress.mElement = kAudioObjectPropertyElementMaster;
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UInt32 propsize = sizeof(AudioDeviceID);
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status = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &propsize, &outputDevice);
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CHECK_AU_ERROR(status, "Error getting default input device");
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}else{
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AudioObjectPropertyAddress propertyAddress = {
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kAudioHardwarePropertyDevices,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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UInt32 dataSize = 0;
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status = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &dataSize);
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CHECK_AU_ERROR(status, "Error getting devices size");
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UInt32 deviceCount = (UInt32)(dataSize / sizeof(AudioDeviceID));
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AudioDeviceID audioDevices[deviceCount];
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status = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propertyAddress, 0, NULL, &dataSize, audioDevices);
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CHECK_AU_ERROR(status, "Error getting device list");
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for(UInt32 i = 0; i < deviceCount; ++i) {
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// Query device UID
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CFStringRef deviceUID = NULL;
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dataSize = sizeof(deviceUID);
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propertyAddress.mSelector = kAudioDevicePropertyDeviceUID;
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status = AudioObjectGetPropertyData(audioDevices[i], &propertyAddress, 0, NULL, &dataSize, &deviceUID);
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CHECK_AU_ERROR(status, "Error getting device uid");
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char buf[1024];
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CFStringGetCString(deviceUID, buf, 1024, kCFStringEncodingUTF8);
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if(deviceID==buf){
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LOGV("Found device for id %s", buf);
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outputDevice=audioDevices[i];
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break;
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}
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}
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if(!outputDevice){
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LOGW("Requested device not found, using default");
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SetCurrentDevice("default");
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return;
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}
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}
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status =AudioUnitSetProperty(unit,
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kAudioOutputUnitProperty_CurrentDevice,
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kAudioUnitScope_Global,
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kOutputBus,
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&outputDevice,
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size);
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CHECK_AU_ERROR(status, "Error setting output device");
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AudioStreamBasicDescription hardwareFormat;
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size=sizeof(hardwareFormat);
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status=AudioUnitGetProperty(unit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, kOutputBus, &hardwareFormat, &size);
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CHECK_AU_ERROR(status, "Error getting hardware format");
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hardwareSampleRate=hardwareFormat.mSampleRate;
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AudioStreamBasicDescription desiredFormat={
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.mSampleRate=48000, .mFormatID=kAudioFormatLinearPCM, .mFormatFlags=kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked | kAudioFormatFlagsNativeEndian,
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.mFramesPerPacket=1, .mChannelsPerFrame=1, .mBitsPerChannel=16, .mBytesPerPacket=2, .mBytesPerFrame=2
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};
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status=AudioUnitSetProperty(unit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, kOutputBus, &desiredFormat, sizeof(desiredFormat));
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CHECK_AU_ERROR(status, "Error setting format");
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LOGD("Switched playback device, new sample rate %d", hardwareSampleRate);
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this->currentDevice=deviceID;
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sysDevID=outputDevice;
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AudioObjectPropertyAddress propertyAddress = {
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kAudioDevicePropertyBufferFrameSize,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster
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};
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size=4;
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UInt32 bufferFrameSize;
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status=AudioObjectGetPropertyData(outputDevice, &propertyAddress, 0, NULL, &size, &bufferFrameSize);
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if(status==noErr){
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estimatedDelay=bufferFrameSize/48;
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LOGD("CoreAudio buffer size for output device is %u frames (%u ms)", bufferFrameSize, estimatedDelay);
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}
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if(isMacBookPro){
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if(AudioObjectHasProperty(outputDevice, &dataSourceProp)){
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UInt32 dataSource;
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size=4;
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AudioObjectGetPropertyData(outputDevice, &dataSourceProp, 0, NULL, &size, &dataSource);
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SetPanRight(dataSource=='ispk');
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AudioObjectAddPropertyListener(outputDevice, &dataSourceProp, AudioOutputAudioUnit::DefaultDeviceChangedCallback, this);
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}else{
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SetPanRight(false);
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}
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}
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}
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void AudioOutputAudioUnit::SetPanRight(bool panRight){
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LOGI("%sabling pan right on macbook pro", panRight ? "En" : "Dis");
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int32_t channelMap[]={panRight ? -1 : 0, 0};
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OSStatus status=AudioUnitSetProperty(unit, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Global, kOutputBus, channelMap, sizeof(channelMap));
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CHECK_AU_ERROR(status, "Error setting channel map");
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}
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OSStatus AudioOutputAudioUnit::DefaultDeviceChangedCallback(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses, void *inClientData){
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AudioOutputAudioUnit* self=(AudioOutputAudioUnit*)inClientData;
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if(inAddresses[0].mSelector==kAudioHardwarePropertyDefaultOutputDevice){
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LOGV("System default input device changed");
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if(self->currentDevice=="default"){
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self->SetCurrentDevice(self->currentDevice);
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}
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}else if(inAddresses[0].mSelector==kAudioDevicePropertyDataSource){
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UInt32 dataSource;
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UInt32 size=4;
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AudioObjectGetPropertyData(inObjectID, inAddresses, 0, NULL, &size, &dataSource);
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self->SetPanRight(dataSource=='ispk');
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}
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return noErr;
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}
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