1
0
Fork 0
flightgear/3rdparty/iaxclient/lib/portmixer/px_common/portmixer.h
Clément de l'Hamaide c022bb8d51 Move IAXClient library into 3rdparty directory
Remove ENABLE_IAX option
Add an improved FGCom standalone as part of FG in utils directory
2013-09-27 16:05:45 +02:00

154 lines
4.2 KiB
C
Executable file

#ifndef PORT_MIXER_H
#define PORT_MIXER_H
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
/*
* PortMixer
* PortMixer API Header File
*
* Copyright (c) 2002
*
* Written by Dominic Mazzoni
*
* PortMixer is intended to work side-by-side with PortAudio,
* the Portable Real-Time Audio Library by Ross Bencina and
* Phil Burk.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
* they can be incorporated into the canonical version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "portaudio.h"
typedef void PxMixer;
typedef float PxVolume; /* 0.0 (min) --> 1.0 (max) */
typedef float PxBalance; /* -1.0 (left) --> 1.0 (right) */
/*
Px_GetNumMixers returns the number of mixers which could be
used with the given PortAudio device. On most systems, there
will be only one mixer for each device; however there may be
multiple mixers for each device, or possibly multiple mixers
which are independent of any particular PortAudio device.
*/
int Px_GetNumMixers( void *pa_stream );
const char *Px_GetMixerName( void *pa_stream, int i );
/*
Px_OpenMixer() returns a mixer which will work with the given PortAudio
audio device. Pass 0 as the index for the first (default) mixer.
*/
PxMixer *Px_OpenMixer( void *pa_stream, int i );
/*
Px_CloseMixer() closes a mixer opened using Px_OpenMixer and frees any
memory associated with it.
*/
void Px_CloseMixer(PxMixer *mixer);
/*
Master (output) volume
*/
PxVolume Px_GetMasterVolume( PxMixer *mixer );
void Px_SetMasterVolume( PxMixer *mixer, PxVolume volume );
/*
Main output volume
*/
PxVolume Px_GetPCMOutputVolume( PxMixer *mixer );
void Px_SetPCMOutputVolume( PxMixer *mixer, PxVolume volume );
int Px_SupportsPCMOutputVolume( PxMixer* mixer ) ;
/*
All output volumes
*/
int Px_GetNumOutputVolumes( PxMixer *mixer );
const char *Px_GetOutputVolumeName( PxMixer *mixer, int i );
PxVolume Px_GetOutputVolume( PxMixer *mixer, int i );
void Px_SetOutputVolume( PxMixer *mixer, int i, PxVolume volume );
/*
Input source
*/
int Px_GetNumInputSources( PxMixer *mixer );
const char *Px_GetInputSourceName( PxMixer *mixer, int i);
int Px_GetCurrentInputSource( PxMixer *mixer ); /* may return -1 == none */
void Px_SetCurrentInputSource( PxMixer *mixer, int i );
/*
Input volume
*/
PxVolume Px_GetInputVolume( PxMixer *mixer );
void Px_SetInputVolume( PxMixer *mixer, PxVolume volume );
/*
Balance
*/
int Px_SupportsOutputBalance( PxMixer *mixer );
PxBalance Px_GetOutputBalance( PxMixer *mixer );
void Px_SetOutputBalance( PxMixer *mixer, PxBalance balance );
/*
Playthrough
*/
int Px_SupportsPlaythrough( PxMixer *mixer );
PxVolume Px_GetPlaythrough( PxMixer *mixer );
void Px_SetPlaythrough( PxMixer *mixer, PxVolume volume );
/*
toggle microphone boost function
*/
/* returns 0 on success, 1 on failure, -1 if not available */
int Px_SetMicrophoneBoost( PxMixer* mixer, int enable ) ;
int Px_GetMicrophoneBoost( PxMixer* mixer ) ;
/*
set input source by name
*/
/* returns 0 on sucess, 1 on failure */
int Px_SetCurrentInputSourceByName( PxMixer* mixer, const char* line_name ) ;
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* PORT_AUDIO_H */