mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
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64cf5a6858
- added option to upsample/resample music audio to 48khz. code taken from wiixplorer thanks to dimok.
103 lines
3.3 KiB
C++
103 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 SOUND_DECODER_HPP
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#define SOUND_DECODER_HPP
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#include <stdio.h>
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#include <gctypes.h>
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#include <asndlib.h>
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//#include "Tools/timer.h"
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#include "File.hpp"
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#include "BufferCircle.hpp"
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#include "loader/utils.h"
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enum
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{
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SOUND_RAW = 0,
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SOUND_MP3,
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SOUND_OGG,
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SOUND_WAV,
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SOUND_BNS,
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SOUND_AIF
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};
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class SoundDecoder
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{
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public:
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SoundDecoder();
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SoundDecoder(const char * filepath);
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SoundDecoder(const u8 * buffer, int size);
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virtual ~SoundDecoder();
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virtual int Read(u8 * buffer, int buffer_size);
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virtual int Tell() { return CurPos; };
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virtual int Seek(int pos) { CurPos = pos; return file_fd->seek(CurPos, SEEK_SET); };
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virtual int Rewind();
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virtual u8 GetFormat() { return Format; }
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virtual u16 GetSampleRate() { return SampleRate; }
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virtual void Decode();
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virtual u32 GetBufferSize() { return SoundBuffer.GetBufferSize(); };
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virtual u8 * GetBuffer() { return SoundBuffer.GetBuffer(); };
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virtual u8 * GetNextBuffer() { return SoundBuffer.GetNextBuffer(); };
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virtual u8 * GetLastBuffer() { return SoundBuffer.GetLastBuffer(); };
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virtual void LoadNext() { SoundBuffer.LoadNext(); };
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virtual bool IsBufferReady() { return SoundBuffer.IsBufferReady(); };
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virtual bool IsNextBufferReady() { return SoundBuffer.IsNextBufferReady(); };
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virtual bool IsLastBufferReady() { return SoundBuffer.IsLastBufferReady(); };
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virtual bool IsEOF() { return EndOfFile; };
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virtual void SetLoop(bool l) { Loop = l; };
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virtual void SetLoopStart(int s) { LoopStart = s; };
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virtual void SetLoopEnd(int e) { LoopEnd = e; };
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virtual u8 GetSoundType() { return SoundType; };
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virtual void ClearBuffer() { SoundBuffer.ClearBuffer(); };
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virtual bool IsStereo() { return (GetFormat() == VOICE_STEREO_16BIT || GetFormat() == VOICE_STEREO_8BIT); };
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virtual bool Is16Bit() { return (GetFormat() == VOICE_STEREO_16BIT || GetFormat() == VOICE_MONO_16BIT); };
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void EnableUpsample(void);
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protected:
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void Init();
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void Upsample(s16 *src, s16 *dst, u32 nr_src_samples, u32 nr_dst_samples);
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CFile * file_fd;
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BufferCircle SoundBuffer;
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u8 SoundType;
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u16 SoundBlocks;
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int SoundBlockSize;
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int CurPos;
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bool ResampleTo48kHz;
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bool Loop;
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int LoopStart;
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int LoopEnd;
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bool EndOfFile;
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bool Decoding;
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bool ExitRequested;
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u8 Format;
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u16 SampleRate;
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u8 *ResampleBuffer;
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u32 ResampleRatio;
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};
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#endif
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