haiku/headers/os/midi/Samples.h
beveloper 4b8670624a some missing midi headers
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1684 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-10-26 18:51:58 +00:00

77 lines
1.9 KiB
C++

/*******************************************************************************
/
/ File: Samples.h
/
/ Description: Sound effects.
/
/ Copyright 1993-98, Be Incorporated, All Rights Reserved.
/
*******************************************************************************/
#ifndef _SAMPLES_H
#define _SAMPLES_H
#ifndef _BE_BUILD_H
#include <BeBuild.h>
#endif
#include <Entry.h>
typedef void (*sample_exit_hook)(int32 arg);
typedef bool (*sample_loop_hook)(int32 arg);
class BSamples
{
public:
BSamples();
virtual ~BSamples();
/* start a sample playing*/
void Start(void * sampleData, /* pointer to audio data*/
int32 frames, /* number of frames*/
int16 bytes_per_sample, /* btyes per sample 1 or 2*/
int16 channel_count, /* mono or stereo 1 or 2*/
double pitch, /* floating sample rate*/
int32 loopStart, /* loop start in frames*/
int32 loopEnd, /* loop end in frames*/
double sampleVolume, /* sample volume*/
double stereoPosition, /* stereo placement*/
int32 hook_arg, /* hook argument*/
sample_loop_hook pLoopContinueProc,
sample_exit_hook pDoneProc);
/* currently paused*/
bool IsPaused(void) const;
void Pause(void);
void Resume(void);
void Stop(void);
bool IsPlaying(void) const;
void SetVolume(double newVolume);
double Volume(void) const;
void SetSamplingRate(double newRate);
double SamplingRate(void) const;
void SetPlacement(double stereoPosition);
/* Set the stereo position (-1.0 left to +1.0 right, 0 is middle)*/
double Placement(void) const;
/* Enable/Disable reverb on this particular IgorSound*/
void EnableReverb(bool useReverb);
private:
virtual void _ReservedSamples1();
virtual void _ReservedSamples2();
virtual void _ReservedSamples3();
int32 fReference;
double fPauseVariable;
void* fFileVariables;
uint32 _reserved[4];
};
#endif