mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-01-11 00:29:11 +01:00
1991a4f3a5
Windows audio backend with lower latency. Audio never glitches on my machine but the number of buffers may be set too aggressively. If you run into problems try turning up NUM_BUFFERS in the h file and leave some feedback. From my tests games seem to prefer filling the buffer with smaller chunks. For this to work the callback that fills the buffer needs to either spin or run async so I went with async. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6371 8ced0084-cf51-0410-be5f-012b33b47a6e
87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
// Copyright (C) 2003 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 _XAUDIO2STREAM_H_
|
|
#define _XAUDIO2STREAM_H_
|
|
|
|
#include "SoundStream.h"
|
|
|
|
#ifdef _WIN32
|
|
#include "Thread.h"
|
|
#include <xaudio2.h>
|
|
|
|
const int NUM_BUFFERS = 3;
|
|
const int SAMPLES_PER_BUFFER = 96;
|
|
|
|
const int NUM_CHANNELS = 2;
|
|
const int BUFFER_SIZE = SAMPLES_PER_BUFFER * NUM_CHANNELS;
|
|
const int BUFFER_SIZE_BYTES = BUFFER_SIZE * sizeof(s16);
|
|
|
|
|
|
#ifndef safe_delete_array
|
|
#define safe_delete_array(p) { if(p) { delete[] (p); (p)=NULL; } }
|
|
#endif
|
|
#ifndef safe_delete
|
|
#define safe_delete(a) if( (a) != NULL ) delete (a); (a) = NULL;
|
|
#endif
|
|
#ifndef safe_release
|
|
#define safe_release(p) { if(p) { (p)->Release(); (p)=NULL; } }
|
|
#endif
|
|
|
|
|
|
#endif
|
|
|
|
class XAudio2 : public SoundStream
|
|
{
|
|
#ifdef _WIN32
|
|
IXAudio2 *pXAudio2;
|
|
IXAudio2MasteringVoice *pMasteringVoice;
|
|
IXAudio2SourceVoice *pSourceVoice;
|
|
|
|
Common::EventEx soundSyncEvent;
|
|
float m_volume;
|
|
|
|
|
|
bool Init();
|
|
public:
|
|
XAudio2(CMixer *mixer)
|
|
: SoundStream(mixer),
|
|
pXAudio2(0),
|
|
pMasteringVoice(0),
|
|
pSourceVoice(0),
|
|
m_volume(1.0f) {}
|
|
|
|
virtual ~XAudio2() {}
|
|
|
|
virtual bool Start();
|
|
virtual void SetVolume(int volume);
|
|
virtual void Stop();
|
|
virtual void Clear(bool mute);
|
|
static bool isValid() { return true; }
|
|
virtual bool usesMixer() const { return true; }
|
|
virtual void Update();
|
|
|
|
#else
|
|
public:
|
|
XAudio2(CMixer *mixer, void *hWnd = NULL)
|
|
: SoundStream(mixer)
|
|
{}
|
|
#endif
|
|
};
|
|
|
|
#endif //_XAUDIO2STREAM_H_
|