216 lines
4 KiB
C
Executable file
216 lines
4 KiB
C
Executable file
/*
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* PortMixer
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* Empty implementation (as a placeholder on platforms where
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* it hasn't been implemented yet)
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*
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* Copyright (c) 2002
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*
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* Written by Dominic Mazzoni
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*
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* PortMixer is intended to work side-by-side with PortAudio,
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* the Portable Real-Time Audio Library by Ross Bencina and
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* Phil Burk.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* Any person wishing to distribute modifications to the Software is
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* requested to send the modifications to the original developer so that
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* they can be incorporated into the canonical version.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <stdlib.h>
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#include "portaudio.h"
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#include "portmixer.h"
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typedef struct PxInfo
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{
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int dummy;
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} PxInfo;
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int Px_GetNumMixers( void *pa_stream )
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{
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return 0;
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}
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const char *Px_GetMixerName( void *pa_stream, int index )
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{
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return NULL;
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}
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PxMixer *Px_OpenMixer( void *pa_stream, int index )
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{
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return NULL;
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}
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/*
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Px_CloseMixer() closes a mixer opened using Px_OpenMixer and frees any
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memory associated with it.
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*/
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void Px_CloseMixer(PxMixer *mixer)
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{
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}
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/*
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Master (output) volume
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*/
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PxVolume Px_GetMasterVolume( PxMixer *mixer )
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{
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PxInfo *info = (PxInfo *)mixer;
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return 0.0;
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}
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void Px_SetMasterVolume( PxMixer *mixer, PxVolume volume )
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{
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PxInfo *info = (PxInfo *)mixer;
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}
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/*
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PCM output volume
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*/
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PxVolume Px_GetPCMOutputVolume( PxMixer *mixer )
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{
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PxInfo *info = (PxInfo *)mixer;
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return 0.0;
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}
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void Px_SetPCMOutputVolume( PxMixer *mixer, PxVolume volume )
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{
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PxInfo *info = (PxInfo *)mixer;
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}
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/*
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All output volumes
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*/
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int Px_GetNumOutputVolumes( PxMixer *mixer )
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{
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PxInfo *info = (PxInfo *)mixer;
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return 0;
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}
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const char *Px_GetOutputVolumeName( PxMixer *mixer, int i )
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{
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PxInfo *info = (PxInfo *)mixer;
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return NULL;
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}
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PxVolume Px_GetOutputVolume( PxMixer *mixer, int i )
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{
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PxInfo *info = (PxInfo *)mixer;
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return NULL;
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}
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void Px_SetOutputVolume( PxMixer *mixer, int i, PxVolume volume )
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{
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PxInfo *info = (PxInfo *)mixer;
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}
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/*
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Input sources
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*/
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int Px_GetNumInputSources( PxMixer *mixer )
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{
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PxInfo *info = (PxInfo *)mixer;
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return 0;
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}
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const char *Px_GetInputSourceName( PxMixer *mixer, int i)
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{
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PxInfo *info = (PxInfo *)mixer;
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return NULL;
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}
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int Px_GetCurrentInputSource( PxMixer *mixer )
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{
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PxInfo *info = (PxInfo *)mixer;
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return -1; /* none */
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}
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void Px_SetCurrentInputSource( PxMixer *mixer, int i )
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{
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PxInfo *info = (PxInfo *)mixer;
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}
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/*
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Input volume
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*/
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PxVolume Px_GetInputVolume( PxMixer *mixer )
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{
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PxInfo *info = (PxInfo *)mixer;
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return 0.0;
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}
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void Px_SetInputVolume( PxMixer *mixer, PxVolume volume )
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{
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PxInfo *info = (PxInfo *)mixer;
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}
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/*
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Balance
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*/
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int Px_SupportsOutputBalance( PxMixer *mixer )
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{
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return 0;
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}
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PxBalance Px_GetOutputBalance( PxMixer *mixer )
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{
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return 0.0;
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}
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void Px_SetOutputBalance( PxMixer *mixer, PxBalance balance )
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{
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}
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/*
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Playthrough
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*/
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int Px_SupportsPlaythrough( PxMixer *mixer )
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{
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return 0;
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}
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PxBalance Px_GetPlaythrough( PxMixer *mixer )
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{
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return 0.0;
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}
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void Px_SetPlaythrough( PxMixer *mixer, PxBalance balance )
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{
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}
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