131 lines
3.3 KiB
C++
131 lines
3.3 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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#ifndef BUFFER_CIRCLE_HPP_
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#define BUFFER_CIRCLE_HPP_
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#include <vector>
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#include <stdint.h>
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class BufferCircle {
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public:
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//!> Constructor
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BufferCircle();
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//!> Destructor
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~BufferCircle();
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//!> Set circle size
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void Resize(int32_t size);
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//!> Get the circle size
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int32_t Size() {
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return SoundBuffer.size();
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};
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//!> Set/resize the buffer size
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void SetBufferBlockSize(int32_t size);
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//!> Remove a buffer
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void RemoveBuffer(int32_t pos);
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//!> Set all buffers clear
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void ClearBuffer();
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//!> Free all buffers
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void FreeBuffer();
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//!> Switch to next buffer
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void LoadNext();
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//!> Get the current buffer
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uint8_t *GetBuffer() {
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return GetBuffer(which);
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};
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//!> Get a buffer at a position
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uint8_t *GetBuffer(int32_t pos) {
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if (!Valid(pos)) return NULL;
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else return SoundBuffer[pos];
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};
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//!> Get current buffer size
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uint32_t GetBufferSize() {
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return GetBufferSize(which);
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};
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//!> Get buffer size at position
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uint32_t GetBufferSize(int32_t pos) {
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if (!Valid(pos)) return 0;
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else return BufferSize[pos];
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};
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//!> Is current buffer ready
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bool IsBufferReady() {
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return IsBufferReady(which);
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};
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//!> Is a buffer at a position ready
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bool IsBufferReady(int32_t pos) {
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if (!Valid(pos)) return false;
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else return BufferReady[pos];
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};
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//!> Set a buffer at a position to a ready state
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void SetBufferReady(int32_t pos, bool st);
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//!> Set the buffersize at a position
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void SetBufferSize(int32_t pos, int32_t size);
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//!> Get the current position in the circle
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uint16_t Which() {
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return which;
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};
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//!> Get the next location
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inline uint16_t Next() {
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return (which + 1 >= Size()) ? 0 : which + 1;
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}
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inline uint16_t Prev() {
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if (Size() == 0) return 0;
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else return ((int32_t) which - 1 < 0) ? Size() - 1 : which - 1;
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}
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protected:
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//!> Check if the position is a valid position in the vector
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bool Valid(int32_t pos) {
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return !(pos < 0 || pos >= Size());
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};
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uint16_t which;
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uint32_t BufferBlockSize;
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std::vector<uint8_t *> SoundBuffer;
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std::vector<uint32_t> BufferSize;
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std::vector<bool> BufferReady;
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};
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#endif
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