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audacity/lib-src/portmixer/src/px_win_wmme.c
2010-01-24 09:19:39 +00:00

82 lines
2.4 KiB
C

/*
* PortMixer
* Windows WMME Implementation
*
* Copyright (c) 2002, 2006
*
* Written by Dominic Mazzoni and Augustus Saunders
* and Leland Lucius
*
* 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 <windows.h>
#include "portaudio.h"
#include "pa_win_wmme.h"
#include "portmixer.h"
#include "px_mixer.h"
#include "px_win_common.h"
int OpenMixer_Win_MME(px_mixer *Px, int index)
{
HWAVEIN hWaveIn;
HWAVEOUT hWaveOut;
MMRESULT res;
UINT deviceIn = UINT_MAX;
UINT deviceOut = UINT_MAX;
hWaveIn = PaWinMME_GetStreamInputHandle(Px->pa_stream, 0);
hWaveOut = PaWinMME_GetStreamOutputHandle(Px->pa_stream, 0);
if (hWaveIn) {
res = waveInGetID(hWaveIn, &deviceIn);
if (res != MMSYSERR_NOERROR) {
return FALSE;
}
}
if (hWaveOut) {
res = waveOutGetID(hWaveOut, &deviceOut);
if (res != MMSYSERR_NOERROR) {
return FALSE;
}
if (deviceOut == WAVE_MAPPER) {
deviceOut = 0;
}
}
if (open_mixers(Px, deviceIn, deviceOut)) {
return TRUE;
}
return FALSE;
}