74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
#pragma once
|
|
|
|
#include "PatternDecoder.h"
|
|
#include <vorbis/vorbisfile.h>
|
|
|
|
struct IMusicSystem;
|
|
class COGGDecoderInstance;
|
|
|
|
struct SFileAccess
|
|
{
|
|
SFileAccess()
|
|
{
|
|
pPak=NULL;
|
|
pFile=NULL;
|
|
}
|
|
SFileAccess(ICryPak *_pPak, FILE *_pFile)
|
|
{
|
|
pPak=_pPak;
|
|
pFile=_pFile;
|
|
}
|
|
ICryPak *pPak;
|
|
FILE *pFile;
|
|
};
|
|
|
|
class COGGDecoder : public IMusicPatternDecoder
|
|
{
|
|
protected:
|
|
IMusicSystem *m_pMusicSystem;
|
|
SFileAccess m_FileAccess;
|
|
SMusicPatternFileInfo m_FileInfo;
|
|
friend class COGGDecoderInstance;
|
|
protected:
|
|
virtual ~COGGDecoder();
|
|
public:
|
|
COGGDecoder(IMusicSystem *pMusicSystem);
|
|
void Release() { delete this; }
|
|
//! Open a music-pattern-file.
|
|
bool Open(const char *pszFilename);
|
|
//! Close a music-pattern-file.
|
|
bool Close();
|
|
//! Retrieve file-info
|
|
bool GetFileInfo(SMusicPatternFileInfo &FileInfo);
|
|
//! Retrieve mem-info
|
|
void GetMemoryUsage(class ICrySizer* pSizer);
|
|
//! Create instance.
|
|
IMusicPatternDecoderInstance* CreateInstance();
|
|
};
|
|
|
|
class COGGDecoderInstance : public IMusicPatternDecoderInstance
|
|
{
|
|
protected:
|
|
COGGDecoder *m_pDecoder;
|
|
int m_nPos; // position in samples
|
|
int m_nPosBytes;
|
|
OggVorbis_File m_OVFile;
|
|
private:
|
|
bool FillPCMBuffer(signed long *pBuffer, int nSamples);
|
|
public:
|
|
static size_t ReadFile(void *ptr, size_t size, size_t nmemb, void *datasource);
|
|
static int SeekFile(void *datasource, ogg_int64_t offset, int whence);
|
|
static int CloseFile(void *datasource);
|
|
static long TellFile(void *datasource);
|
|
protected:
|
|
virtual ~COGGDecoderInstance();
|
|
public:
|
|
COGGDecoderInstance(COGGDecoder *pDecoder);
|
|
void Release() { delete this; }
|
|
//! Seek to beginning of pattern (if nDelay is set it will wait nDelay-samples before starting playback).
|
|
bool Seek0(int nDelay=0);
|
|
//! Retrieve the current position in the file (in samples)
|
|
int GetPos();
|
|
//! Decode and retrieve pcm-data (stereo/16bit).
|
|
bool GetPCMData(signed long *pDataOut, int nSamples, bool bLoop=true);
|
|
}; |