102 lines
3.4 KiB
C++
Executable File
102 lines
3.4 KiB
C++
Executable File
/******************************************************************************\
|
|
* Copyright (c) 2004-2009
|
|
*
|
|
* Author(s):
|
|
* Volker Fischer
|
|
\******************************************************************************/
|
|
|
|
#if !defined(_SOUND_H__9518A621345F78_3634567_8C0D_EEBF182CF549__INCLUDED_)
|
|
#define _SOUND_H__9518A621345F78_3634567_8C0D_EEBF182CF549__INCLUDED_
|
|
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <qthread.h>
|
|
#include <string.h>
|
|
#include "util.h"
|
|
#include "soundbase.h"
|
|
#include "global.h"
|
|
|
|
#if WITH_SOUND
|
|
# include <jack/jack.h>
|
|
#endif
|
|
|
|
|
|
/* Definitions ****************************************************************/
|
|
#define NUM_IN_OUT_CHANNELS 2 // always stereo
|
|
|
|
// the number of periods is critical for latency
|
|
#define NUM_PERIOD_BLOCKS_IN 2
|
|
#define NUM_PERIOD_BLOCKS_OUT 1
|
|
|
|
#define MAX_SND_BUF_IN 200
|
|
#define MAX_SND_BUF_OUT 200
|
|
|
|
|
|
/* Classes ********************************************************************/
|
|
#if WITH_SOUND
|
|
class CSound : public CSoundBase
|
|
{
|
|
public:
|
|
CSound ( void (*fpNewProcessCallback) ( CVector<short>& psData, void* arg ), void* arg ) :
|
|
CSoundBase ( true, fpNewProcessCallback, arg ) { OpenJack(); }
|
|
virtual ~CSound() { CloseJack(); }
|
|
|
|
virtual int Init ( const int iNewPrefMonoBufferSize );
|
|
virtual void Start();
|
|
virtual void Stop();
|
|
|
|
// not implemented yet, always return one device and default string
|
|
int GetNumDev() { return 1; }
|
|
QString GetDeviceName ( const int iDiD ) { return "wave mapper"; }
|
|
QString SetDev ( const int iNewDev ) { return ""; } // dummy
|
|
int GetDev() { return 0; }
|
|
|
|
// these variables should be protected but cannot since we want
|
|
// to access them from the callback function
|
|
CVector<short> vecsTmpAudioSndCrdStereo;
|
|
int iJACKBufferSizeMono;
|
|
int iJACKBufferSizeStero;
|
|
|
|
jack_port_t* input_port_left;
|
|
jack_port_t* input_port_right;
|
|
jack_port_t* output_port_left;
|
|
jack_port_t* output_port_right;
|
|
|
|
protected:
|
|
void OpenJack();
|
|
void CloseJack();
|
|
|
|
// callbacks
|
|
static int process ( jack_nframes_t nframes, void* arg );
|
|
static int bufferSizeCallback ( jack_nframes_t nframes, void *arg );
|
|
static void shutdownCallback ( void *arg );
|
|
jack_client_t* pJackClient;
|
|
};
|
|
#else
|
|
// no sound -> dummy class definition
|
|
class CSound : public CSoundBase
|
|
{
|
|
public:
|
|
CSound ( void (*fpNewProcessCallback) ( CVector<short>& psData, void* pParg ), void* pParg ) :
|
|
CSoundBase ( false, fpNewProcessCallback, pParg ) {}
|
|
virtual ~CSound() { Close(); }
|
|
|
|
// not used
|
|
int GetNumDev() { return 1; }
|
|
QString GetDeviceName ( const int iDiD ) { return "wave mapper"; }
|
|
QString SetDev ( const int iNewDev ) { return ""; } // dummy
|
|
int GetDev() { return 0; }
|
|
|
|
// dummy definitions
|
|
virtual int Init ( const int iNewPrefMonoBufferSize ) { CSoundBase::Init ( iNewPrefMonoBufferSize ); }
|
|
virtual bool Read ( CVector<short>& psData ) { printf ( "no sound!" ); return false; }
|
|
virtual bool Write ( CVector<short>& psData ) { printf ( "no sound!" ); return false; }
|
|
};
|
|
#endif // WITH_SOUND
|
|
|
|
#endif // !defined(_SOUND_H__9518A621345F78_3634567_8C0D_EEBF182CF549__INCLUDED_)
|