Implemented adaptive HAL driver. Somewhat sensitive to machine load. Working on feeder-thread implementation to aleviate sensitivity.
This commit is contained in:
Charlie Reading
File diff suppressed because it is too large
Load Diff
@@ -4,79 +4,121 @@
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* RageSoundDriver_CA.h
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* stepmania
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*
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* Created by Steve Checkoway on Tue Aug 26 2003.
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* Copyright (c) 2003 Steve Checkoway. All rights reserved.
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* Sound stream pool code based on RageSoundDriver_ALSA9.h/.cpp by Glen Maynard.
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*
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* Copyright (c) 2003 by the person(s) listed below. All rights reserved.
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* Steve Checkoway
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* Charlie Reading
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*
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*/
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#include "RageSoundDriver.h"
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#define BROKEN_DRIVER_1 1
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#define BROKEN_DRIVER_2 2
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#include "RageThreads.h"
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#define DRIVER_UNFINISHED 0
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#define DRIVER_HAL 1
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#define DRIVER DRIVER_HAL
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#define FEEDER_DIRECT 0
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#define FEEDER_THREAD 1
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#define FEEDER FEEDER_DIRECT
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#define RESYNC_NEVER 0
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#define RESYNC_INSTANTANEOUS 1
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#define RESYNC_ACCUMULATE 2
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#define RESYNC RESYNC_ACCUMULATE
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#define CURRENT_DRIVER BROKEN_DRIVER_2
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struct AudioTimeStamp;
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struct AudioBufferList;
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#if CURRENT_DRIVER == BROKEN_DRIVER_1
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struct OpaqueAudioConverter;
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typedef struct OpaqueAudioConverter *AudioConverterRef;
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#endif
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typedef unsigned char Boolean;
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typedef long OSStatus;
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typedef unsigned long UInt32;
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typedef UInt32 AudioDeviceID;
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typedef UInt32 AudioDevicePropertyID;
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typedef UInt32 AudioUnitRenderActionFlags;
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#if CURRENT_DRIVER == BROKEN_DRIVER_2
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struct ComponentInstanceRecord;
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typedef struct ComponentInstanceRecord *AudioUnit;
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typedef double Float64;
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struct OpaqueAudioConverter;
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typedef struct OpaqueAudioConverter *AudioConverterRef;
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struct AudioStreamBasicDescription;
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#if (FEEDER == FEEDER_THREAD)
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class VirtualRingBuffer;
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#endif
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class RageSound_CA : public RageSoundDriver
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class RageSound_CA: public RageSoundDriver
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{
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private:
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typedef struct sound {
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RageSoundBase *snd;
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bool stopping;
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/* Sound stream */
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struct stream
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{
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enum { INACTIVE, PLAYING, STOPPING } state;
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RageSound *snd;
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int flush_pos;
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sound() { snd=NULL; stopping=false; flush_pos=0; }
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} *soundPtr;
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vector<soundPtr> sounds;
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#if CURRENT_DRIVER == BROKEN_DRIVER_1
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AudioConverterRef converter;
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#elif CURRENT_DRIVER == BROKEN_DRIVER_2
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AudioUnit outputUnit;
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#endif
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void clear() { snd=NULL; state=INACTIVE; flush_pos=0; }
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stream() { clear(); }
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};
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friend struct stream;
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/* Pool of available streams. */
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vector<stream *> stream_pool;
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int streamsInUse;
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AudioDeviceID outputDevice;
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float latency;
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AudioStreamBasicDescription *idealFormat;
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AudioStreamBasicDescription *actualFormat;
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UInt32 buffersize;
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int samplesPerBuffer;
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AudioConverterRef converter;
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bool shutdown;
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float latency;
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Float64 startSampleTime;
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int expected;
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#if (RESYNC != RESYNC_NEVER)
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int packetsOff;
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int packetsOffSamples;
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#endif
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#if (FEEDER == FEEDER_THREAD)
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size_t vrbChunkSize;
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VirtualRingBuffer *vrb;
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RageThread feederThread;
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int nextSampleToWrite;
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static int FeederThread_start(void *p);
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void FeederThread();
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#endif
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int ConvertSampleTimeToPosition(const Float64 sampleTime) const;
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int ConvertAudioTimeStampToPosition(const AudioTimeStamp *time) const;
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static int ConvertAudioTimeStampToPosition(const AudioTimeStamp *time);
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protected:
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virtual void StartMixing(RageSoundBase *snd);
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virtual void StopMixing(RageSoundBase *snd);
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virtual int GetPosition(const RageSoundBase *snd) const;
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virtual void StartMixing(RageSound *snd);
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virtual void Update (float delta);
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virtual float GetPlayLatency() const { return latency; }
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virtual void StopMixing(RageSound *snd);
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virtual int GetPosition(const RageSound *snd) const;
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virtual float GetPlayLatency() const;
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virtual int GetSampleRate() const;
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size_t smSamplesToBytes(int samples);
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int smBytesToSamples(size_t bytes);
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size_t caSamplesToBytes(int samples);
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int caBytesToSamples(size_t bytes);
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public:
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RageSound_CA();
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virtual ~RageSound_CA();
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#if CURRENT_DRIVER == BROKEN_DRIVER_1
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static OSStatus GetData(AudioDeviceID inDevice,
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const AudioTimeStamp* inNow,
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const AudioBufferList* inInputData,
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const AudioTimeStamp* inInputTime,
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AudioBufferList* outOutputData,
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const AudioTimeStamp* inOutputTime,
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void* inClientData);
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#elif CURRENT_DRIVER == BROKEN_DRIVER_2
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static OSStatus GetData(void *inRecCon,
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AudioUnitRenderActionFlags *inActionFlags,
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const AudioTimeStamp *inTimeStamp,
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UInt32 inBusNumber,
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UInt32 inNumFrames,
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AudioBufferList *ioData);
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#endif
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virtual size_t FillSoundBuffer(char* buffer, size_t maxBufferSize, int position);
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static OSStatus GetData(AudioDeviceID inDevice, const AudioTimeStamp* inNow, const AudioBufferList* inInputData, const AudioTimeStamp* inInputTime, AudioBufferList* outOutputData, const AudioTimeStamp* inOutputTime, void* inClientData);
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static OSStatus OverloadListener(AudioDeviceID inDevice, UInt32 inChannel, Boolean isInput, AudioDevicePropertyID inPropertyID, void* inClientData);
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};
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#endif RAGE_SOUND_CA
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