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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/
#include "Common.h"
#include "Thread.h"
#include "PulseAudioStream.h"
#define BUFFER_SIZE 4096
#define BUFFER_SIZE_BYTES (BUFFER_SIZE*2*2)
PulseAudio::PulseAudio(CMixer *mixer) : SoundStream(mixer), thread_data(0), handle(NULL)
{
mix_buffer = new u8[BUFFER_SIZE_BYTES];
}
PulseAudio::~PulseAudio()
{
delete [] mix_buffer;
}
static void *ThreadTrampoline(void *args)
{
reinterpret_cast<PulseAudio *>(args)->SoundLoop();
return NULL;
}
bool PulseAudio::Start()
{
thread = new Common::Thread(&ThreadTrampoline, this);
thread_data = 0;
return true;
}
void PulseAudio::Stop()
{
thread_data = 1;
delete thread;
thread = NULL;
}
void PulseAudio::Update()
{
// don't need to do anything here.
}
// Called on audio thread.
void PulseAudio::SoundLoop()
{
PulseInit();
while (!thread_data)
{
int frames_to_deliver = 512;
m_mixer->Mix(reinterpret_cast<short *>(mix_buffer), frames_to_deliver);
}
PulseShutdown();
thread_data = 2;
}
bool PulseAudio::PulseInit()
{
NOTICE_LOG(AUDIO, "Pulse successfully initialized.\n");
return true;
}
void PulseAudio::PulseShutdown()
{
if (handle != NULL)
{
handle = NULL;
}
}
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