mirror of
https://github.com/cookiengineer/audacity
synced 2025-06-26 09:08:44 +02:00
f8a4adf713
Note: Not all devices (like my RME Babyface) allow you to control the volume via WASAPI. So, even though volume adjustments appear to work visually (sliders move in volume control panel), they may not actually change.
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/*
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* PortMixer
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* Windows DirectSound Implementation
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*
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* Copyright (c) 2002, 2006
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*
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* Written by Dominic Mazzoni and Augustus Saunders
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* and Leland Lucius
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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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#define COBJMACROS
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#include <windows.h>
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#include "portaudio.h"
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#include "pa_win_wasapi.h"
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#include "portmixer.h"
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#include "px_mixer.h"
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#include "px_win_common.h"
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#if defined(_DEBUG)
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#include <stdio.h>
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static void dprintf(const char *format, ...)
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{
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char buf[4096];
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va_list args;
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int cnt;
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va_start(args, format);
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cnt = _vsnprintf(buf, sizeof(buf) - 1, format, args);
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va_end(args);
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if (cnt > 0) {
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buf[cnt] = '\0';
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OutputDebugString(buf);
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}
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}
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#endif
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int OpenMixer_Win_WASAPI(px_mixer *Px, int index)
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{
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wchar_t *deviceIn = PaWasapi_GetInputDeviceID(Px->pa_stream);
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wchar_t *deviceOut = PaWasapi_GetOutputDeviceID(Px->pa_stream);
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int ret = FALSE;
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if (open_ep_mixers_byid(Px, deviceIn, deviceOut))
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{
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ret = TRUE;
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}
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return ret;
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}
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