Re-implemented the NullSound back-end. Allows Dolphin to be used on hosts with no sound hardware. Emulates strict DSP timing in the DSP HLE plugin.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6329 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
skidau
2010-11-02 00:16:49 +00:00
parent 13dda74946
commit 0af0929a88
6 changed files with 111 additions and 0 deletions

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// 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 _NULLSOUNDSTREAM_H_
#define _NULLSOUNDSTREAM_H_
#include "SoundStream.h"
#include "Thread.h"
#define BUF_SIZE (48000 * 4 / 32)
class NullSound : public SoundStream
{
// playback position
short realtimeBuffer[BUF_SIZE / sizeof(short)];
public:
NullSound(CMixer *mixer, void *hWnd = NULL)
: SoundStream(mixer)
{}
virtual ~NullSound() {}
virtual bool Start();
virtual void SoundLoop();
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();
};
#endif //_NULLSOUNDSTREAM_H_