dolphin/Source/Core/AudioCommon/Src/Mixer.h

72 lines
1.9 KiB
C++

// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _MIXER_H_
#define _MIXER_H_
#include "FixedSizeQueue.h"
#include "Thread.h"
// On real hardware, this fifo is much, much smaller. But timing is also
// tighter than under Windows, so...
#define queue_minlength 1024 * 4
#define queue_maxlength 1024 * 28
class CMixer {
public:
CMixer() : m_sampleRate(48000),m_bits(16),m_channels(2), m_mode(2), m_HLEready(false),m_queueSize(0) {}
// Called from audio threads
virtual int Mix(short *sample, int numSamples);
// Called from main thread
virtual void PushSamples(short* samples, int num_stereo_samples, int core_sample_rate);
virtual void Premix(short *samples, int numSamples) {}
int GetSampleRate() {return m_sampleRate;}
int GetDataSize() {return m_queueSize;}
void SetThrottle(bool use) { m_throttle = use;}
void SetDTKMusic(bool use) { m_EnableDTKMusic = use;}
// TODO: do we need this
bool IsHLEReady() { return m_HLEready;}
void SetHLEReady(bool ready) { m_HLEready = ready;}
// ---------------------
protected:
int m_sampleRate;
int m_bits;
int m_channels;
int m_mode;
bool m_HLEready;
int m_queueSize;
bool m_EnableDTKMusic;
bool m_throttle;
private:
Common::CriticalSection push_sync;
FixedSizeQueue<s16, queue_maxlength> sample_queue;
};
#endif // _MIXER_H_