mirror of https://github.com/AxioDL/boo.git
AudioQueueServices VoiceEngine implemented
This commit is contained in:
Jack Andersen
parent
5cec033f18
commit
ca38805776
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@ -1,8 +1,11 @@
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#include "boo/audiodev/IAudioVoiceAllocator.hpp"
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#include "AudioVoiceEngine.hpp"
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#include "logvisor/logvisor.hpp"
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#include "logvisor/logvisor.hpp"
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#include <AudioToolbox/AudioToolbox.h>
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#include <AudioToolbox/AudioToolbox.h>
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#include <mutex>
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#include <condition_variable>
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namespace boo
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namespace boo
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{
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{
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static logvisor::Module Log("boo::AQS");
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static logvisor::Module Log("boo::AQS");
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@ -31,208 +34,39 @@ static AudioChannel AQSChannelToBooChannel(AudioChannelLabel ch)
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return AudioChannel::Unknown;
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return AudioChannel::Unknown;
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}
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}
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struct AQSAudioVoice : IAudioVoice
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struct AQSAudioVoiceEngine : BaseAudioVoiceEngine
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{
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{
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ChannelMap m_map;
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IAudioVoiceCallback* m_cb;
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AudioQueueRef m_queue = nullptr;
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AudioQueueRef m_queue = nullptr;
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AudioQueueBufferRef m_buffers[3];
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AudioQueueBufferRef m_buffers[3];
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size_t m_bufferFrames = 1024;
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size_t m_frameBytes;
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size_t m_frameSize;
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const ChannelMap& channelMap() const {return m_map;}
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std::mutex m_engineMutex;
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std::condition_variable m_engineCv;
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AudioQueueBufferRef m_callbackBuf = nullptr;
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static void Callback(AQSAudioVoiceEngine* voice, AudioQueueRef inAQ, AudioQueueBufferRef inBuffer)
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unsigned m_primeBuf;
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static void Callback(void* inUserData, AudioQueueRef inAQ, AudioQueueBufferRef inBuffer)
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{
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{
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AQSAudioVoice* voice = static_cast<AQSAudioVoice*>(inUserData);
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std::unique_lock<std::mutex> lk(voice->m_engineMutex);
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voice->m_callbackBuf = inBuffer;
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voice->m_engineCv.wait(lk);
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voice->m_cb->needsNextBuffer(*voice, voice->m_bufferFrames);
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voice->m_callbackBuf = nullptr;
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voice->_pumpAndMixVoices(voice->m_mixInfo.m_periodFrames, reinterpret_cast<int32_t*>(inBuffer->mAudioData));
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inBuffer->mAudioDataByteSize = voice->m_frameBytes;
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AudioQueueEnqueueBuffer(inAQ, inBuffer, 0, nullptr);
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}
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}
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AQSAudioVoice(AudioChannelSet set, unsigned sampleRate, IAudioVoiceCallback* cb)
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static void DummyCallback(AQSAudioVoiceEngine* voice, AudioQueueRef inAQ, AudioQueueBufferRef inBuffer) {}
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: m_cb(cb)
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{
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unsigned chCount = ChannelCount(set);
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AudioStreamBasicDescription desc = {};
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AudioChannelSet _getAvailableSet()
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desc.mSampleRate = sampleRate;
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desc.mFormatID = kAudioFormatLinearPCM;
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desc.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger;
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desc.mBytesPerPacket = chCount * 2;
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desc.mFramesPerPacket = 1;
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desc.mBytesPerFrame = chCount * 2;
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desc.mChannelsPerFrame = chCount;
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desc.mBitsPerChannel = 16;
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OSStatus err;
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while ((err = AudioQueueNewOutput(&desc, AudioQueueOutputCallback(Callback),
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this, nullptr, nullptr, 0, &m_queue)))
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{
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if (set == AudioChannelSet::Stereo)
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break;
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set = AudioChannelSet(int(set) - 1);
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chCount = ChannelCount(set);
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desc.mBytesPerPacket = chCount * 2;
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desc.mBytesPerFrame = chCount * 2;
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desc.mChannelsPerFrame = chCount;
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}
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if (err)
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{
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Log.report(logvisor::Fatal, "unable to create output audio queue");
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return;
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}
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if (chCount > 2)
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{
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AudioChannelLayout layout;
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UInt32 layoutSz = sizeof(layout);
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if (AudioQueueGetProperty(m_queue, kAudioQueueProperty_ChannelLayout, &layout, &layoutSz))
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{
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Log.report(logvisor::Fatal, "unable to get channel layout from audio queue");
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return;
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}
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switch (layout.mChannelLayoutTag)
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{
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case kAudioChannelLayoutTag_UseChannelDescriptions:
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m_map.m_channelCount = layout.mNumberChannelDescriptions;
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for (int i=0 ; i<layout.mNumberChannelDescriptions ; ++i)
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{
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AudioChannel ch = AQSChannelToBooChannel(layout.mChannelDescriptions[i].mChannelLabel);
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m_map.m_channels[i] = ch;
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}
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break;
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case kAudioChannelLayoutTag_UseChannelBitmap:
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if ((layout.mChannelBitmap & kAudioChannelBit_Left) != 0)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::FrontLeft;
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if ((layout.mChannelBitmap & kAudioChannelBit_Right) != 0)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::FrontRight;
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if ((layout.mChannelBitmap & kAudioChannelBit_Center) != 0)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::FrontCenter;
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if ((layout.mChannelBitmap & kAudioChannelBit_LFEScreen) != 0)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::LFE;
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if ((layout.mChannelBitmap & kAudioChannelBit_LeftSurround) != 0)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::RearLeft;
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if ((layout.mChannelBitmap & kAudioChannelBit_RightSurround) != 0)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::RearRight;
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if ((layout.mChannelBitmap & kAudioChannelBit_LeftSurroundDirect) != 0)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::SideLeft;
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if ((layout.mChannelBitmap & kAudioChannelBit_RightSurroundDirect) != 0)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::SideRight;
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break;
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case kAudioChannelLayoutTag_Stereo:
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case kAudioChannelLayoutTag_StereoHeadphones:
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m_map.m_channelCount = 2;
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m_map.m_channels[0] = AudioChannel::FrontLeft;
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m_map.m_channels[1] = AudioChannel::FrontRight;
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break;
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case kAudioChannelLayoutTag_Quadraphonic:
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m_map.m_channelCount = 4;
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m_map.m_channels[0] = AudioChannel::FrontLeft;
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m_map.m_channels[1] = AudioChannel::FrontRight;
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m_map.m_channels[2] = AudioChannel::RearLeft;
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m_map.m_channels[3] = AudioChannel::RearRight;
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break;
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case kAudioChannelLayoutTag_Pentagonal:
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m_map.m_channelCount = 5;
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m_map.m_channels[0] = AudioChannel::FrontLeft;
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m_map.m_channels[1] = AudioChannel::FrontRight;
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m_map.m_channels[2] = AudioChannel::RearLeft;
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m_map.m_channels[3] = AudioChannel::RearRight;
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m_map.m_channels[4] = AudioChannel::FrontCenter;
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break;
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default:
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Log.report(logvisor::Fatal,
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"unknown channel layout %u; using stereo",
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layout.mChannelLayoutTag);
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m_map.m_channelCount = 2;
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m_map.m_channels[0] = AudioChannel::FrontLeft;
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m_map.m_channels[1] = AudioChannel::FrontRight;
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break;
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}
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}
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else
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{
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::FrontLeft;
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::FrontRight;
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}
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while (m_map.m_channelCount < chCount)
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m_map.m_channels[m_map.m_channelCount++] = AudioChannel::Unknown;
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for (int i=0 ; i<3 ; ++i)
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if (AudioQueueAllocateBuffer(m_queue, m_bufferFrames * chCount * 2, &m_buffers[i]))
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{
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Log.report(logvisor::Fatal, "unable to create audio queue buffer");
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AudioQueueDispose(m_queue, false);
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m_queue = nullptr;
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return;
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}
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m_frameSize = chCount * 2;
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for (unsigned i=0 ; i<3 ; ++i)
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{
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m_primeBuf = i;
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m_cb->needsNextBuffer(*this, m_bufferFrames);
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}
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AudioQueuePrime(m_queue, 0, nullptr);
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}
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~AQSAudioVoice()
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{
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AudioQueueDispose(m_queue, false);
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}
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void bufferSampleData(const int16_t* data, size_t frames)
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{
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if (m_callbackBuf)
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{
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m_callbackBuf->mAudioDataByteSize =
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std::min(UInt32(frames * m_frameSize), m_callbackBuf->mAudioDataBytesCapacity);
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memcpy(m_callbackBuf->mAudioData, data, m_callbackBuf->mAudioDataByteSize);
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AudioQueueEnqueueBuffer(m_queue, m_callbackBuf, 0, nullptr);
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}
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else
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{
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AudioQueueBufferRef buf = m_buffers[m_primeBuf];
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buf->mAudioDataByteSize =
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std::min(UInt32(frames * m_frameSize), buf->mAudioDataBytesCapacity);
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memcpy(buf->mAudioData, data, buf->mAudioDataByteSize);
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AudioQueueEnqueueBuffer(m_queue, buf, 0, nullptr);
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}
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}
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void start()
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{
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AudioQueueStart(m_queue, nullptr);
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}
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void stop()
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{
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AudioQueueStop(m_queue, false);
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}
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};
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struct AQSAudioVoiceAllocator : IAudioVoiceEngine
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{
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static void DummyCallback(void* inUserData, AudioQueueRef inAQ, AudioQueueBufferRef inBuffer) {}
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AudioChannelSet getAvailableSet()
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{
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{
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const unsigned chCount = 8;
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const unsigned chCount = 8;
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AudioStreamBasicDescription desc = {};
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AudioStreamBasicDescription desc = {};
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desc.mSampleRate = 32000;
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desc.mSampleRate = 96000;
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desc.mFormatID = kAudioFormatLinearPCM;
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desc.mFormatID = kAudioFormatLinearPCM;
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desc.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger;
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desc.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger;
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desc.mBytesPerPacket = chCount * 2;
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desc.mBytesPerPacket = chCount * 4;
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desc.mFramesPerPacket = 1;
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desc.mFramesPerPacket = 1;
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desc.mBytesPerFrame = chCount * 2;
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desc.mBytesPerFrame = chCount * 4;
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desc.mChannelsPerFrame = chCount;
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desc.mChannelsPerFrame = chCount;
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desc.mBitsPerChannel = 16;
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desc.mBitsPerChannel = 32;
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AudioQueueRef queue;
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AudioQueueRef queue;
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if (AudioQueueNewOutput(&desc, AudioQueueOutputCallback(DummyCallback),
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if (AudioQueueNewOutput(&desc, AudioQueueOutputCallback(DummyCallback),
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@ -269,23 +103,154 @@ struct AQSAudioVoiceAllocator : IAudioVoiceEngine
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return AudioChannelSet::Unknown;
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return AudioChannelSet::Unknown;
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}
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}
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std::unique_ptr<IAudioVoice> allocateNewVoice(AudioChannelSet layoutOut,
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AQSAudioVoiceEngine()
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unsigned sampleRate,
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IAudioVoiceCallback* cb)
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{
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{
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AQSAudioVoice* newVoice = new AQSAudioVoice(layoutOut, sampleRate, cb);
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m_mixInfo.m_channels = _getAvailableSet();
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std::unique_ptr<IAudioVoice> ret(newVoice);
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unsigned chCount = ChannelCount(m_mixInfo.m_channels);
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if (!newVoice->m_queue)
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return {};
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AudioStreamBasicDescription desc = {};
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return ret;
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desc.mSampleRate = 96000;
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desc.mFormatID = kAudioFormatLinearPCM;
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desc.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger;
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desc.mBytesPerPacket = chCount * 4;
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desc.mFramesPerPacket = 1;
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desc.mBytesPerFrame = chCount * 4;
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desc.mChannelsPerFrame = chCount;
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desc.mBitsPerChannel = 32;
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OSStatus err;
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if ((err = AudioQueueNewOutput(&desc, AudioQueueOutputCallback(Callback),
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this, nullptr, nullptr, 0, &m_queue)))
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{
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Log.report(logvisor::Fatal, "unable to create output audio queue");
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return;
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}
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}
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void pumpVoices() {}
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m_mixInfo.m_sampleRate = 96000.0;
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m_mixInfo.m_sampleFormat = SOXR_INT32_I;
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m_mixInfo.m_bitsPerSample = 32;
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ChannelMap& chMapOut = m_mixInfo.m_channelMap;
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if (chCount > 2)
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{
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AudioChannelLayout layout;
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UInt32 layoutSz = sizeof(layout);
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if (AudioQueueGetProperty(m_queue, kAudioQueueProperty_ChannelLayout, &layout, &layoutSz))
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{
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Log.report(logvisor::Fatal, "unable to get channel layout from audio queue");
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return;
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}
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switch (layout.mChannelLayoutTag)
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{
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case kAudioChannelLayoutTag_UseChannelDescriptions:
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chMapOut.m_channelCount = layout.mNumberChannelDescriptions;
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for (int i=0 ; i<layout.mNumberChannelDescriptions ; ++i)
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{
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AudioChannel ch = AQSChannelToBooChannel(layout.mChannelDescriptions[i].mChannelLabel);
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chMapOut.m_channels[i] = ch;
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}
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break;
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case kAudioChannelLayoutTag_UseChannelBitmap:
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if ((layout.mChannelBitmap & kAudioChannelBit_Left) != 0)
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chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::FrontLeft;
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if ((layout.mChannelBitmap & kAudioChannelBit_Right) != 0)
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chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::FrontRight;
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if ((layout.mChannelBitmap & kAudioChannelBit_Center) != 0)
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chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::FrontCenter;
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if ((layout.mChannelBitmap & kAudioChannelBit_LFEScreen) != 0)
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chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::LFE;
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if ((layout.mChannelBitmap & kAudioChannelBit_LeftSurround) != 0)
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chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::RearLeft;
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if ((layout.mChannelBitmap & kAudioChannelBit_RightSurround) != 0)
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chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::RearRight;
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if ((layout.mChannelBitmap & kAudioChannelBit_LeftSurroundDirect) != 0)
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chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::SideLeft;
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if ((layout.mChannelBitmap & kAudioChannelBit_RightSurroundDirect) != 0)
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chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::SideRight;
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break;
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case kAudioChannelLayoutTag_Stereo:
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case kAudioChannelLayoutTag_StereoHeadphones:
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chMapOut.m_channelCount = 2;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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break;
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case kAudioChannelLayoutTag_Quadraphonic:
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chMapOut.m_channelCount = 4;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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chMapOut.m_channels[2] = AudioChannel::RearLeft;
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chMapOut.m_channels[3] = AudioChannel::RearRight;
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break;
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case kAudioChannelLayoutTag_Pentagonal:
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chMapOut.m_channelCount = 5;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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chMapOut.m_channels[2] = AudioChannel::RearLeft;
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chMapOut.m_channels[3] = AudioChannel::RearRight;
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chMapOut.m_channels[4] = AudioChannel::FrontCenter;
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break;
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default:
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Log.report(logvisor::Fatal,
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"unknown channel layout %u; using stereo",
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layout.mChannelLayoutTag);
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chMapOut.m_channelCount = 2;
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chMapOut.m_channels[0] = AudioChannel::FrontLeft;
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chMapOut.m_channels[1] = AudioChannel::FrontRight;
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break;
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}
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}
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else
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{
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||||||
|
chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::FrontLeft;
|
||||||
|
chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::FrontRight;
|
||||||
|
}
|
||||||
|
|
||||||
|
while (chMapOut.m_channelCount < chCount)
|
||||||
|
chMapOut.m_channels[chMapOut.m_channelCount++] = AudioChannel::Unknown;
|
||||||
|
|
||||||
|
m_mixInfo.m_periodFrames = 2400;
|
||||||
|
for (int i=0 ; i<3 ; ++i)
|
||||||
|
if (AudioQueueAllocateBuffer(m_queue, m_mixInfo.m_periodFrames * chCount * 4, &m_buffers[i]))
|
||||||
|
{
|
||||||
|
Log.report(logvisor::Fatal, "unable to create audio queue buffer");
|
||||||
|
AudioQueueDispose(m_queue, false);
|
||||||
|
m_queue = nullptr;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
m_frameBytes = m_mixInfo.m_periodFrames * m_mixInfo.m_channelMap.m_channelCount * 4;
|
||||||
|
|
||||||
|
for (unsigned i=0 ; i<3 ; ++i)
|
||||||
|
{
|
||||||
|
_pumpAndMixVoices(m_mixInfo.m_periodFrames, reinterpret_cast<int32_t*>(m_buffers[i]->mAudioData));
|
||||||
|
m_buffers[i]->mAudioDataByteSize = m_frameBytes;
|
||||||
|
AudioQueueEnqueueBuffer(m_queue, m_buffers[i], 0, nullptr);
|
||||||
|
}
|
||||||
|
AudioQueuePrime(m_queue, 0, nullptr);
|
||||||
|
AudioQueueStart(m_queue, nullptr);
|
||||||
|
}
|
||||||
|
|
||||||
|
~AQSAudioVoiceEngine()
|
||||||
|
{
|
||||||
|
AudioQueueDispose(m_queue, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
void pumpAndMixVoices()
|
||||||
|
{
|
||||||
|
std::unique_lock<std::mutex> lk(m_engineMutex);
|
||||||
|
m_engineCv.notify_one();
|
||||||
|
lk.unlock();
|
||||||
|
lk.lock();
|
||||||
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
std::unique_ptr<IAudioVoiceEngine> NewAudioVoiceAllocator()
|
std::unique_ptr<IAudioVoiceEngine> NewAudioVoiceEngine()
|
||||||
{
|
{
|
||||||
return std::make_unique<AQSAudioVoiceAllocator>();
|
std::unique_ptr<IAudioVoiceEngine> ret = std::make_unique<AQSAudioVoiceEngine>();
|
||||||
|
if (!static_cast<AQSAudioVoiceEngine&>(*ret).m_queue)
|
||||||
|
return {};
|
||||||
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue