600 lines
17 KiB
C++
600 lines
17 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//===========================================================================//
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#include "audio_pch.h"
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#include <AudioToolbox/AudioQueue.h>
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#include <AudioToolbox/AudioFile.h>
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#include <AudioToolbox/AudioFormat.h>
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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extern bool snd_firsttime;
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extern bool MIX_ScaleChannelVolume( paintbuffer_t *ppaint, channel_t *pChannel, int volume[CCHANVOLUMES], int mixchans );
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extern void S_SpatializeChannel( int volume[6], int master_vol, const Vector *psourceDir, float gain, float mono );
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#define NUM_BUFFERS_SOURCES 128
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#define BUFF_MASK (NUM_BUFFERS_SOURCES - 1 )
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#define BUFFER_SIZE 0x0400
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//-----------------------------------------------------------------------------
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//
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// NOTE: This only allows 16-bit, stereo wave out
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//
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//-----------------------------------------------------------------------------
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class CAudioDeviceAudioQueue : public CAudioDeviceBase
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{
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public:
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bool IsActive( void );
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bool Init( void );
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void Shutdown( void );
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void PaintEnd( void );
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int GetOutputPosition( void );
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void ChannelReset( int entnum, int channelIndex, float distanceMod );
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void Pause( void );
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void UnPause( void );
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float MixDryVolume( void );
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bool Should3DMix( void );
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void StopAllSounds( void );
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int PaintBegin( float mixAheadTime, int soundtime, int paintedtime );
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void ClearBuffer( void );
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void UpdateListener( const Vector& position, const Vector& forward, const Vector& right, const Vector& up );
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void MixBegin( int sampleCount );
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void MixUpsample( int sampleCount, int filtertype );
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void Mix8Mono( channel_t *pChannel, char *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress );
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void Mix8Stereo( channel_t *pChannel, char *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress );
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void Mix16Mono( channel_t *pChannel, short *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress );
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void Mix16Stereo( channel_t *pChannel, short *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress );
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void TransferSamples( int end );
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void SpatializeChannel( int volume[CCHANVOLUMES/2], int master_vol, const Vector& sourceDir, float gain, float mono);
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void ApplyDSPEffects( int idsp, portable_samplepair_t *pbuffront, portable_samplepair_t *pbufrear, portable_samplepair_t *pbufcenter, int samplecount );
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const char *DeviceName( void ) { return "AudioQueue"; }
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int DeviceChannels( void ) { return 2; }
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int DeviceSampleBits( void ) { return 16; }
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int DeviceSampleBytes( void ) { return 2; }
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int DeviceDmaSpeed( void ) { return SOUND_DMA_SPEED; }
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int DeviceSampleCount( void ) { return m_deviceSampleCount; }
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void BufferCompleted() { m_buffersCompleted++; }
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void SetRunning( bool bState ) { m_bRunning = bState; }
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private:
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void OpenWaveOut( void );
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void CloseWaveOut( void );
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bool ValidWaveOut( void ) const;
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bool BIsPlaying();
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AudioStreamBasicDescription m_DataFormat;
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AudioQueueRef m_Queue;
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AudioQueueBufferRef m_Buffers[NUM_BUFFERS_SOURCES];
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int m_SndBufSize;
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void *m_sndBuffers;
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CInterlockedInt m_deviceSampleCount;
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int m_buffersSent;
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int m_buffersCompleted;
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int m_pauseCount;
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bool m_bSoundsShutdown;
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bool m_bFailed;
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bool m_bRunning;
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};
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CAudioDeviceAudioQueue *wave = NULL;
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static void AudioCallback(void *pContext, AudioQueueRef pQueue, AudioQueueBufferRef pBuffer)
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{
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if ( wave )
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wave->BufferCompleted();
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}
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IAudioDevice *Audio_CreateMacAudioQueueDevice( void )
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{
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wave = new CAudioDeviceAudioQueue;
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if ( wave->Init() )
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return wave;
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delete wave;
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wave = NULL;
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return NULL;
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}
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void OnSndSurroundCvarChanged2( IConVar *pVar, const char *pOldString, float flOldValue );
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void OnSndSurroundLegacyChanged2( IConVar *pVar, const char *pOldString, float flOldValue );
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//-----------------------------------------------------------------------------
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// Init, shutdown
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//-----------------------------------------------------------------------------
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bool CAudioDeviceAudioQueue::Init( void )
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{
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m_SndBufSize = 0;
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m_sndBuffers = NULL;
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m_pauseCount = 0;
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m_bSurround = false;
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m_bSurroundCenter = false;
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m_bHeadphone = false;
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m_buffersSent = 0;
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m_buffersCompleted = 0;
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m_pauseCount = 0;
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m_bSoundsShutdown = false;
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m_bFailed = false;
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m_bRunning = false;
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m_Queue = NULL;
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static bool first = true;
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if ( first )
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{
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snd_surround.SetValue( 2 );
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snd_surround.InstallChangeCallback( &OnSndSurroundCvarChanged2 );
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snd_legacy_surround.InstallChangeCallback( &OnSndSurroundLegacyChanged2 );
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first = false;
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}
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OpenWaveOut();
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if ( snd_firsttime )
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{
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DevMsg( "Wave sound initialized\n" );
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}
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return ValidWaveOut() && !m_bFailed;
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}
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void CAudioDeviceAudioQueue::Shutdown( void )
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{
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CloseWaveOut();
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}
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//-----------------------------------------------------------------------------
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// WAV out device
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//-----------------------------------------------------------------------------
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inline bool CAudioDeviceAudioQueue::ValidWaveOut( void ) const
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{
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return m_sndBuffers != 0 && m_Queue;
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}
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//-----------------------------------------------------------------------------
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// called by the mac audioqueue code when we run out of playback buffers
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//-----------------------------------------------------------------------------
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void AudioQueueIsRunningCallback( void* inClientData, AudioQueueRef inAQ, AudioQueuePropertyID inID)
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{
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CAudioDeviceAudioQueue* audioqueue = (CAudioDeviceAudioQueue*)inClientData;
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UInt32 running = 0;
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UInt32 size;
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OSStatus err = AudioQueueGetProperty(inAQ, kAudioQueueProperty_IsRunning, &running, &size);
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audioqueue->SetRunning( running != 0 );
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//DevWarning( "AudioQueueStart %d\n", running );
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}
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//-----------------------------------------------------------------------------
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// Opens the windows wave out device
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//-----------------------------------------------------------------------------
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void CAudioDeviceAudioQueue::OpenWaveOut( void )
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{
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if ( m_Queue )
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return;
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m_buffersSent = 0;
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m_buffersCompleted = 0;
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m_DataFormat.mSampleRate = 44100;
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m_DataFormat.mFormatID = kAudioFormatLinearPCM;
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m_DataFormat.mFormatFlags = kAudioFormatFlagIsSignedInteger|kAudioFormatFlagIsPacked;
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m_DataFormat.mBytesPerPacket = 4; // 16-bit samples * 2 channels
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m_DataFormat.mFramesPerPacket = 1;
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m_DataFormat.mBytesPerFrame = 4; // 16-bit samples * 2 channels
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m_DataFormat.mChannelsPerFrame = 2;
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m_DataFormat.mBitsPerChannel = 16;
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m_DataFormat.mReserved = 0;
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// Create the audio queue that will be used to manage the array of audio
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// buffers used to queue samples.
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OSStatus err = AudioQueueNewOutput(&m_DataFormat, AudioCallback, this, NULL, NULL, 0, &m_Queue);
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if ( err != noErr)
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{
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DevMsg( "Failed to create AudioQueue output %d\n", (int)err );
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m_bFailed = true;
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return;
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}
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for ( int i = 0; i < NUM_BUFFERS_SOURCES; ++i)
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{
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err = AudioQueueAllocateBuffer( m_Queue, BUFFER_SIZE,&(m_Buffers[i]));
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if ( err != noErr)
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{
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DevMsg( "Failed to AudioQueueAllocateBuffer output %d (%i)\n",(int)err,i );
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m_bFailed = true;
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}
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m_Buffers[i]->mAudioDataByteSize = BUFFER_SIZE;
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Q_memset( m_Buffers[i]->mAudioData, 0, BUFFER_SIZE );
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}
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err = AudioQueuePrime( m_Queue, 0, NULL);
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if ( err != noErr)
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{
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DevMsg( "Failed to create AudioQueue output %d\n", (int)err );
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m_bFailed = true;
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return;
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}
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AudioQueueSetParameter( m_Queue, kAudioQueueParam_Volume, 1.0);
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err = AudioQueueAddPropertyListener( m_Queue, kAudioQueueProperty_IsRunning, AudioQueueIsRunningCallback, this );
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if ( err != noErr)
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{
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DevMsg( "Failed to create AudioQueue output %d\n", (int)err );
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m_bFailed = true;
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return;
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}
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m_SndBufSize = NUM_BUFFERS_SOURCES*BUFFER_SIZE;
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m_deviceSampleCount = m_SndBufSize / DeviceSampleBytes();
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if ( !m_sndBuffers )
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{
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m_sndBuffers = malloc( m_SndBufSize );
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memset( m_sndBuffers, 0x0, m_SndBufSize );
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}
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}
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//-----------------------------------------------------------------------------
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// Closes the windows wave out device
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//-----------------------------------------------------------------------------
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void CAudioDeviceAudioQueue::CloseWaveOut( void )
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{
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if ( ValidWaveOut() )
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{
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AudioQueueStop(m_Queue, true);
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m_bRunning = false;
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AudioQueueRemovePropertyListener( m_Queue, kAudioQueueProperty_IsRunning, AudioQueueIsRunningCallback, this );
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for ( int i = 0; i < NUM_BUFFERS_SOURCES; i++ )
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AudioQueueFreeBuffer( m_Queue, m_Buffers[i]);
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AudioQueueDispose( m_Queue, true);
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m_Queue = NULL;
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}
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if ( m_sndBuffers )
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{
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free( m_sndBuffers );
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m_sndBuffers = NULL;
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}
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}
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//-----------------------------------------------------------------------------
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// Mixing setup
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//-----------------------------------------------------------------------------
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int CAudioDeviceAudioQueue::PaintBegin( float mixAheadTime, int soundtime, int paintedtime )
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{
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// soundtime - total samples that have been played out to hardware at dmaspeed
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// paintedtime - total samples that have been mixed at speed
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// endtime - target for samples in mixahead buffer at speed
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unsigned int endtime = soundtime + mixAheadTime * DeviceDmaSpeed();
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int samps = DeviceSampleCount() >> (DeviceChannels()-1);
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if ((int)(endtime - soundtime) > samps)
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endtime = soundtime + samps;
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if ((endtime - paintedtime) & 0x3)
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{
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// The difference between endtime and painted time should align on
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// boundaries of 4 samples. This is important when upsampling from 11khz -> 44khz.
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endtime -= (endtime - paintedtime) & 0x3;
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}
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return endtime;
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}
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//-----------------------------------------------------------------------------
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// Actually performs the mixing
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//-----------------------------------------------------------------------------
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void CAudioDeviceAudioQueue::PaintEnd( void )
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{
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int cblocks = 4 << 1;
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if ( m_bRunning && m_buffersSent == m_buffersCompleted )
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{
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// We are running the audio queue but have become starved of buffers.
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// Stop the audio queue so we force a restart of it.
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AudioQueueStop( m_Queue, true );
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}
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//
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// submit a few new sound blocks
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//
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// 44K sound support
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while (((m_buffersSent - m_buffersCompleted) >> SAMPLE_16BIT_SHIFT) < cblocks)
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{
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int iBuf = m_buffersSent&BUFF_MASK;
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m_Buffers[iBuf]->mAudioDataByteSize = BUFFER_SIZE;
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Q_memcpy( m_Buffers[iBuf]->mAudioData, (char *)m_sndBuffers + iBuf*BUFFER_SIZE, BUFFER_SIZE);
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// Queue the buffer for playback.
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OSStatus err = AudioQueueEnqueueBuffer( m_Queue, m_Buffers[iBuf], 0, NULL);
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if ( err != noErr)
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{
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DevMsg( "Failed to AudioQueueEnqueueBuffer output %d\n", (int)err );
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}
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m_buffersSent++;
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}
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if ( !m_bRunning )
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{
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DevMsg( "Restarting sound playback\n" );
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m_bRunning = true;
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AudioQueueStart( m_Queue, NULL);
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}
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}
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int CAudioDeviceAudioQueue::GetOutputPosition( void )
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{
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int s = m_buffersSent * BUFFER_SIZE;
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s >>= SAMPLE_16BIT_SHIFT;
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s &= (DeviceSampleCount()-1);
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return s / DeviceChannels();
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}
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//-----------------------------------------------------------------------------
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// Pausing
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//-----------------------------------------------------------------------------
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void CAudioDeviceAudioQueue::Pause( void )
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{
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m_pauseCount++;
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if (m_pauseCount == 1)
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{
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m_bRunning = false;
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AudioQueueStop(m_Queue, true);
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}
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}
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void CAudioDeviceAudioQueue::UnPause( void )
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{
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if ( m_pauseCount > 0 )
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{
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m_pauseCount--;
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}
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if ( m_pauseCount == 0 )
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{
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m_bRunning = true;
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AudioQueueStart( m_Queue, NULL);
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}
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}
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bool CAudioDeviceAudioQueue::IsActive( void )
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{
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return ( m_pauseCount == 0 );
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}
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float CAudioDeviceAudioQueue::MixDryVolume( void )
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{
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return 0;
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}
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bool CAudioDeviceAudioQueue::Should3DMix( void )
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{
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return false;
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}
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void CAudioDeviceAudioQueue::ClearBuffer( void )
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{
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if ( !m_sndBuffers )
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return;
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Q_memset( m_sndBuffers, 0x0, DeviceSampleCount() * DeviceSampleBytes() );
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}
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void CAudioDeviceAudioQueue::UpdateListener( const Vector& position, const Vector& forward, const Vector& right, const Vector& up )
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{
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}
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bool CAudioDeviceAudioQueue::BIsPlaying()
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{
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UInt32 isRunning;
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UInt32 propSize = sizeof(isRunning);
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OSStatus result = AudioQueueGetProperty( m_Queue, kAudioQueueProperty_IsRunning, &isRunning, &propSize);
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return isRunning != 0;
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}
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void CAudioDeviceAudioQueue::MixBegin( int sampleCount )
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{
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MIX_ClearAllPaintBuffers( sampleCount, false );
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}
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void CAudioDeviceAudioQueue::MixUpsample( int sampleCount, int filtertype )
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{
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paintbuffer_t *ppaint = MIX_GetCurrentPaintbufferPtr();
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int ifilter = ppaint->ifilter;
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Assert (ifilter < CPAINTFILTERS);
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S_MixBufferUpsample2x( sampleCount, ppaint->pbuf, &(ppaint->fltmem[ifilter][0]), CPAINTFILTERMEM, filtertype );
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ppaint->ifilter++;
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}
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void CAudioDeviceAudioQueue::Mix8Mono( channel_t *pChannel, char *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress )
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{
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int volume[CCHANVOLUMES];
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paintbuffer_t *ppaint = MIX_GetCurrentPaintbufferPtr();
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if (!MIX_ScaleChannelVolume( ppaint, pChannel, volume, 1))
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return;
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Mix8MonoWavtype( pChannel, ppaint->pbuf + outputOffset, volume, (byte *)pData, inputOffset, rateScaleFix, outCount );
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}
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void CAudioDeviceAudioQueue::Mix8Stereo( channel_t *pChannel, char *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress )
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{
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int volume[CCHANVOLUMES];
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paintbuffer_t *ppaint = MIX_GetCurrentPaintbufferPtr();
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if (!MIX_ScaleChannelVolume( ppaint, pChannel, volume, 2 ))
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return;
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Mix8StereoWavtype( pChannel, ppaint->pbuf + outputOffset, volume, (byte *)pData, inputOffset, rateScaleFix, outCount );
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}
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void CAudioDeviceAudioQueue::Mix16Mono( channel_t *pChannel, short *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress )
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{
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int volume[CCHANVOLUMES];
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paintbuffer_t *ppaint = MIX_GetCurrentPaintbufferPtr();
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if (!MIX_ScaleChannelVolume( ppaint, pChannel, volume, 1 ))
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return;
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Mix16MonoWavtype( pChannel, ppaint->pbuf + outputOffset, volume, pData, inputOffset, rateScaleFix, outCount );
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}
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void CAudioDeviceAudioQueue::Mix16Stereo( channel_t *pChannel, short *pData, int outputOffset, int inputOffset, fixedint rateScaleFix, int outCount, int timecompress )
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{
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int volume[CCHANVOLUMES];
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paintbuffer_t *ppaint = MIX_GetCurrentPaintbufferPtr();
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if (!MIX_ScaleChannelVolume( ppaint, pChannel, volume, 2 ))
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return;
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Mix16StereoWavtype( pChannel, ppaint->pbuf + outputOffset, volume, pData, inputOffset, rateScaleFix, outCount );
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}
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void CAudioDeviceAudioQueue::ChannelReset( int entnum, int channelIndex, float distanceMod )
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{
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}
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void CAudioDeviceAudioQueue::TransferSamples( int end )
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{
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int lpaintedtime = g_paintedtime;
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int endtime = end;
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// resumes playback...
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if ( m_sndBuffers )
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{
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S_TransferStereo16( m_sndBuffers, PAINTBUFFER, lpaintedtime, endtime );
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}
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}
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void CAudioDeviceAudioQueue::SpatializeChannel( int volume[CCHANVOLUMES/2], int master_vol, const Vector& sourceDir, float gain, float mono )
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{
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VPROF("CAudioDeviceAudioQueue::SpatializeChannel");
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S_SpatializeChannel( volume, master_vol, &sourceDir, gain, mono );
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}
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void CAudioDeviceAudioQueue::StopAllSounds( void )
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{
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m_bSoundsShutdown = true;
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m_bRunning = false;
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AudioQueueStop(m_Queue, true);
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}
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void CAudioDeviceAudioQueue::ApplyDSPEffects( int idsp, portable_samplepair_t *pbuffront, portable_samplepair_t *pbufrear, portable_samplepair_t *pbufcenter, int samplecount )
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{
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//SX_RoomFX( endtime, filter, timefx );
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DSP_Process( idsp, pbuffront, pbufrear, pbufcenter, samplecount );
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}
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static uint32 GetOSXSpeakerConfig()
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{
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return 2;
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}
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static uint32 GetSpeakerConfigForSurroundMode( int surroundMode, const char **pConfigDesc )
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|
{
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uint32 newSpeakerConfig = 2;
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*pConfigDesc = "stereo speaker";
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return newSpeakerConfig;
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}
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void OnSndSurroundCvarChanged2( IConVar *pVar, const char *pOldString, float flOldValue )
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{
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// if the old value is -1, we're setting this from the detect routine for the first time
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// no need to reset the device
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if ( flOldValue == -1 )
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return;
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|
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// get the user's previous speaker config
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uint32 speaker_config = GetOSXSpeakerConfig();
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// get the new config
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|
uint32 newSpeakerConfig = 0;
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const char *speakerConfigDesc = "";
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|
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ConVarRef var( pVar );
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newSpeakerConfig = GetSpeakerConfigForSurroundMode( var.GetInt(), &speakerConfigDesc );
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// make sure the config has changed
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|
if (newSpeakerConfig == speaker_config)
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return;
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// set new configuration
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//SetWindowsSpeakerConfig(newSpeakerConfig);
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Msg("Speaker configuration has been changed to %s.\n", speakerConfigDesc);
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// restart sound system so it takes effect
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|
//g_pSoundServices->RestartSoundSystem();
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}
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void OnSndSurroundLegacyChanged2( IConVar *pVar, const char *pOldString, float flOldValue )
|
|
{
|
|
}
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