mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-05 02:55:07 +01:00
145 lines
3.0 KiB
C++
145 lines
3.0 KiB
C++
/***************************************************************************
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* Copyright (C) 2010
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* by Dimok
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*
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* for WiiXplorer 2010
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***************************************************************************/
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#include <malloc.h>
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#include "BufferCircle.hpp"
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#define ALIGN32(x) (((x) + 31) & ~31)
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BufferCircle::BufferCircle()
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{
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which = 0;
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BufferBlockSize = 0;
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}
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BufferCircle::~BufferCircle()
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{
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FreeBuffer();
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SoundBuffer.clear();
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BufferSize.clear();
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BufferReady.clear();
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}
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void BufferCircle::SetBufferBlockSize(int size)
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{
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if(size < 0)
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return;
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BufferBlockSize = size;
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for(int i = 0; i < Size(); i++)
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{
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if(SoundBuffer[i] != NULL)
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free(SoundBuffer[i]);
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SoundBuffer[i] = (u8 *) memalign(32, ALIGN32(BufferBlockSize));
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BufferSize[i] = 0;
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BufferReady[i] = false;
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}
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}
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void BufferCircle::Resize(int size)
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{
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while(size < Size())
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RemoveBuffer(Size()-1);
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int oldSize = Size();
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SoundBuffer.resize(size);
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BufferSize.resize(size);
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BufferReady.resize(size);
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for(int i = oldSize; i < Size(); i++)
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{
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if(BufferBlockSize > 0)
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SoundBuffer[i] = (u8 *) memalign(32, ALIGN32(BufferBlockSize));
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else
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SoundBuffer[i] = NULL;
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BufferSize[i] = 0;
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BufferReady[i] = false;
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}
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}
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void BufferCircle::RemoveBuffer(int pos)
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{
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if(!Valid(pos))
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return;
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if(SoundBuffer[pos] != NULL)
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free(SoundBuffer[pos]);
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SoundBuffer.erase(SoundBuffer.begin()+pos);
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BufferSize.erase(BufferSize.begin()+pos);
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BufferReady.erase(BufferReady.begin()+pos);
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}
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void BufferCircle::ClearBuffer()
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{
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for(int i = 0; i < Size(); i++)
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{
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BufferSize[i] = 0;
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BufferReady[i] = false;
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}
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which = 0;
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}
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void BufferCircle::FreeBuffer()
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{
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for(int i = 0; i < Size(); i++)
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{
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if(SoundBuffer[i] != NULL)
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free(SoundBuffer[i]);
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SoundBuffer[i] = NULL;
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BufferSize[i] = 0;
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BufferReady[i] = false;
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}
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}
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void BufferCircle::LoadNext()
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{
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int pos = (which+Size()-1) % Size();
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BufferReady[pos] = false;
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BufferSize[pos] = 0;
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which = (which+1) % Size();
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}
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void BufferCircle::SetBufferReady(int pos, bool state)
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{
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if(!Valid(pos))
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return;
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BufferReady[pos] = state;
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}
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void BufferCircle::SetBufferSize(int pos, int size)
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{
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if(!Valid(pos))
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return;
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BufferSize[pos] = size;
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}
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