mirror of https://git.rip/DMCA_FUCKER/re3.git
115 lines
2.2 KiB
C++
115 lines
2.2 KiB
C++
#pragma once
|
|
|
|
#ifdef AUDIO_OAL
|
|
#include <AL/al.h>
|
|
|
|
#define NUM_STREAMBUFFERS 8
|
|
|
|
class IDecoder
|
|
{
|
|
public:
|
|
virtual ~IDecoder() { }
|
|
|
|
virtual bool IsOpened() = 0;
|
|
|
|
virtual uint32 GetSampleSize() = 0;
|
|
virtual uint32 GetSampleCount() = 0;
|
|
virtual uint32 GetSampleRate() = 0;
|
|
virtual uint32 GetChannels() = 0;
|
|
|
|
uint32 GetAvgSamplesPerSec()
|
|
{
|
|
return GetChannels() * GetSampleRate();
|
|
}
|
|
|
|
uint32 ms2samples(uint32 ms)
|
|
{
|
|
return float(ms) / 1000.0f * float(GetSampleRate());
|
|
}
|
|
|
|
uint32 samples2ms(uint32 sm)
|
|
{
|
|
return float(sm) * 1000.0f / float(GetSampleRate());
|
|
}
|
|
|
|
uint32 GetBufferSamples()
|
|
{
|
|
//return (GetAvgSamplesPerSec() >> 2) - (GetSampleCount() % GetChannels());
|
|
return (GetAvgSamplesPerSec() / 4); // 250ms
|
|
}
|
|
|
|
uint32 GetBufferSize()
|
|
{
|
|
return GetBufferSamples() * GetSampleSize();
|
|
}
|
|
|
|
virtual void Seek(uint32 milliseconds) = 0;
|
|
virtual uint32 Tell() = 0;
|
|
|
|
uint32 GetLength()
|
|
{
|
|
return float(GetSampleCount()) * 1000.0f / float(GetSampleRate());
|
|
}
|
|
|
|
virtual uint32 Decode(void *buffer) = 0;
|
|
};
|
|
|
|
class CStream
|
|
{
|
|
char m_aFilename[128];
|
|
ALuint *m_pAlSources;
|
|
ALuint (&m_alBuffers)[NUM_STREAMBUFFERS];
|
|
|
|
bool m_bPaused;
|
|
bool m_bActive;
|
|
|
|
void *m_pBuffer;
|
|
|
|
bool m_bReset;
|
|
uint32 m_nVolume;
|
|
uint8 m_nPan;
|
|
uint32 m_nPosBeforeReset;
|
|
int32 m_nLoopCount;
|
|
|
|
IDecoder *m_pSoundFile;
|
|
|
|
bool HasSource();
|
|
void SetPosition(int i, float x, float y, float z);
|
|
void SetPitch(float pitch);
|
|
void SetGain(float gain);
|
|
void Pause();
|
|
void SetPlay(bool state);
|
|
|
|
bool FillBuffer(ALuint *alBuffer);
|
|
int32 FillBuffers();
|
|
void ClearBuffers();
|
|
public:
|
|
static void Initialise();
|
|
static void Terminate();
|
|
|
|
CStream(char *filename, ALuint *sources, ALuint (&buffers)[NUM_STREAMBUFFERS], uint32 overrideSampleRate = 32000);
|
|
~CStream();
|
|
void Delete();
|
|
|
|
bool IsOpened();
|
|
bool IsPlaying();
|
|
void SetPause (bool bPause);
|
|
void SetVolume(uint32 nVol);
|
|
void SetPan (uint8 nPan);
|
|
void SetPosMS (uint32 nPos);
|
|
uint32 GetPosMS();
|
|
uint32 GetLengthMS();
|
|
|
|
bool Setup(bool imSureQueueIsEmpty = false);
|
|
void Start();
|
|
void Stop();
|
|
void Update(void);
|
|
void SetLoopCount(int32);
|
|
|
|
|
|
void ProviderInit();
|
|
void ProviderTerm();
|
|
};
|
|
|
|
#endif
|