WiiFlow_Lite/source/music/BufferCircle.cpp
fix94.1 adb0fcb17b -some people reported problems with sound buffers in mem1, since
the mem1 code is changed it looks like it doesnt work well anymore,
so back in mem2 with it
2012-06-12 20:32:17 +00:00

146 lines
3.0 KiB
C++

/***************************************************************************
* Copyright (C) 2010
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* for WiiXplorer 2010
***************************************************************************/
#include "mem2.hpp"
#include "BufferCircle.hpp"
#include "utils.h"
BufferCircle::BufferCircle()
{
which = 0;
BufferBlockSize = 0;
}
BufferCircle::~BufferCircle()
{
FreeBuffer();
SoundBuffer.clear();
BufferSize.clear();
BufferReady.clear();
}
void BufferCircle::SetBufferBlockSize(int size)
{
if(size < 0)
return;
BufferBlockSize = size;
for(int i = 0; i < Size(); i++)
{
if(SoundBuffer[i] != NULL)
MEM2_free(SoundBuffer[i]);
SoundBuffer[i] = (u8 *)MEM2_memalign(32, BufferBlockSize);
memset(SoundBuffer[i], 0, sizeof(SoundBuffer[i]));
BufferSize[i] = 0;
BufferReady[i] = false;
}
}
void BufferCircle::Resize(int size)
{
while(size < Size())
RemoveBuffer(Size()-1);
int oldSize = Size();
SoundBuffer.resize(size);
BufferSize.resize(size);
BufferReady.resize(size);
for(int i = oldSize; i < Size(); i++)
{
if(BufferBlockSize > 0)
{
SoundBuffer[i] = (u8 *)MEM2_memalign(32, BufferBlockSize);
memset(SoundBuffer[i], 0, sizeof(SoundBuffer[i]));
}
else
SoundBuffer[i] = NULL;
BufferSize[i] = 0;
BufferReady[i] = false;
}
}
void BufferCircle::RemoveBuffer(int pos)
{
if(!Valid(pos))
return;
if(SoundBuffer[pos] != NULL)
MEM2_free(SoundBuffer[pos]);
SoundBuffer.erase(SoundBuffer.begin()+pos);
BufferSize.erase(BufferSize.begin()+pos);
BufferReady.erase(BufferReady.begin()+pos);
}
void BufferCircle::ClearBuffer()
{
for(int i = 0; i < Size(); i++)
{
BufferSize[i] = 0;
BufferReady[i] = false;
}
which = 0;
}
void BufferCircle::FreeBuffer()
{
for(int i = 0; i < Size(); i++)
{
if(SoundBuffer[i] != NULL)
MEM2_free(SoundBuffer[i]);
BufferSize[i] = 0;
BufferReady[i] = false;
}
}
void BufferCircle::LoadNext()
{
int pos = (which+Size()-1) % Size();
BufferReady[pos] = false;
BufferSize[pos] = 0;
which = (which+1) % Size();
}
void BufferCircle::SetBufferReady(int pos, bool state)
{
if(!Valid(pos))
return;
BufferReady[pos] = state;
}
void BufferCircle::SetBufferSize(int pos, int size)
{
if(!Valid(pos))
return;
BufferSize[pos] = size;
}