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430 lines
14 KiB
C
430 lines
14 KiB
C
/*
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* Wine Driver for CoreAudio / AudioUnit
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*
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* Copyright 2005, 2006 Emmanuel Maillard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wave);
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#ifdef HAVE_AUDIOUNIT_AUDIOUNIT_H
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#include <AudioUnit/AudioUnit.h>
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#include <AudioToolbox/AudioToolbox.h>
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WINE_DECLARE_DEBUG_CHANNEL(midi);
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extern OSStatus CoreAudio_woAudioUnitIOProc(void *inRefCon,
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AudioUnitRenderActionFlags *ioActionFlags,
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const AudioTimeStamp *inTimeStamp,
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UInt32 inBusNumber,
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UInt32 inNumberFrames,
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AudioBufferList *ioData);
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extern OSStatus CoreAudio_wiAudioUnitIOProc(void *inRefCon,
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AudioUnitRenderActionFlags *ioActionFlags,
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const AudioTimeStamp *inTimeStamp,
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UInt32 inBusNumber,
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UInt32 inNumberFrames,
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AudioBufferList *ioData);
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int AudioUnit_CreateDefaultAudioUnit(void *wwo, AudioUnit *au)
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{
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OSStatus err;
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Component comp;
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ComponentDescription desc;
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AURenderCallbackStruct callbackStruct;
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desc.componentType = kAudioUnitType_Output;
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desc.componentSubType = kAudioUnitSubType_DefaultOutput;
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desc.componentManufacturer = kAudioUnitManufacturer_Apple;
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desc.componentFlags = 0;
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desc.componentFlagsMask = 0;
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comp = FindNextComponent(NULL, &desc);
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if (comp == NULL)
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return 0;
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err = OpenAComponent(comp, au);
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if (comp == NULL)
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return 0;
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callbackStruct.inputProc = CoreAudio_woAudioUnitIOProc;
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callbackStruct.inputProcRefCon = wwo;
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err = AudioUnitSetProperty( *au,
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kAudioUnitProperty_SetRenderCallback,
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kAudioUnitScope_Input,
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0,
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&callbackStruct,
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sizeof(callbackStruct));
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return (err == noErr);
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}
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int AudioUnit_CloseAudioUnit(AudioUnit au)
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{
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OSStatus err = CloseComponent(au);
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return (err == noErr);
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}
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int AudioUnit_InitializeWithStreamDescription(AudioUnit au, AudioStreamBasicDescription *stream)
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{
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OSStatus err = noErr;
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err = AudioUnitSetProperty(au, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input,
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0, stream, sizeof(*stream));
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if (err != noErr)
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{
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ERR("AudioUnitSetProperty return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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err = AudioUnitInitialize(au);
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if (err != noErr)
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{
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ERR("AudioUnitInitialize return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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return 1;
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}
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int AudioUnit_SetVolume(AudioUnit au, float left, float right)
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{
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OSStatus err = noErr;
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err = AudioUnitSetParameter(au, kHALOutputParam_Volume, kAudioUnitParameterFlag_Output, 0, left, 0);
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if (err != noErr)
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{
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ERR("AudioUnitSetParameter return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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return 1;
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}
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int AudioUnit_GetVolume(AudioUnit au, float *left, float *right)
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{
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OSStatus err = noErr;
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err = AudioUnitGetParameter(au, kHALOutputParam_Volume, kAudioUnitParameterFlag_Output, 0, left);
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if (err != noErr)
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{
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ERR("AudioUnitGetParameter return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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*right = *left;
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return 1;
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}
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/* FIXME: implement sample rate conversion on input */
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int AudioUnit_GetInputDeviceSampleRate(void)
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{
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AudioDeviceID defaultInputDevice;
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UInt32 param;
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Float64 sampleRate;
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OSStatus err;
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param = sizeof(defaultInputDevice);
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err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, ¶m, &defaultInputDevice);
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if (err != noErr || defaultInputDevice == kAudioDeviceUnknown)
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{
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ERR("Couldn't get the default audio input device ID: %08lx\n", err);
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return 0;
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}
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param = sizeof(sampleRate);
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err = AudioDeviceGetProperty(defaultInputDevice, 0, 1, kAudioDevicePropertyNominalSampleRate, ¶m, &sampleRate);
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if (err != noErr)
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{
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ERR("Couldn't get the device sample rate: %08lx\n", err);
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return 0;
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}
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return sampleRate;
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}
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int AudioUnit_CreateInputUnit(void* wwi, AudioUnit* out_au,
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WORD nChannels, DWORD nSamplesPerSec, WORD wBitsPerSample,
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UInt32* outFrameCount)
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{
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OSStatus err = noErr;
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ComponentDescription description;
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Component component;
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AudioUnit au;
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UInt32 param;
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AURenderCallbackStruct callback;
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AudioDeviceID defaultInputDevice;
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AudioStreamBasicDescription desiredFormat;
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if (!outFrameCount)
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{
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ERR("Invalid parameter\n");
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return 0;
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}
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/* Open the AudioOutputUnit */
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description.componentType = kAudioUnitType_Output;
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description.componentSubType = kAudioUnitSubType_HALOutput;
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description.componentManufacturer = kAudioUnitManufacturer_Apple;
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description.componentFlags = 0;
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description.componentFlagsMask = 0;
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component = FindNextComponent(NULL, &description);
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if (!component)
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{
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ERR("FindNextComponent(kAudioUnitSubType_HALOutput) failed\n");
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return 0;
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}
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err = OpenAComponent(component, &au);
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if (err != noErr || au == NULL)
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{
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ERR("OpenAComponent failed: %08lx\n", err);
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return 0;
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}
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/* Configure the AudioOutputUnit */
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/* The AUHAL has two buses (AKA elements). Bus 0 is output from the app
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* to the device. Bus 1 is input from the device to the app. Each bus
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* has two ends (AKA scopes). Data goes from the input scope to the
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* output scope. The terminology is somewhat confusing because the terms
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* "input" and "output" have two meanings. Here's a summary:
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*
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* Bus 0, input scope: refers to the source of data to be output as sound
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* Bus 0, output scope: refers to the actual sound output device
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* Bus 1, input scope: refers to the actual sound input device
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* Bus 1, output scope: refers to the destination of data received by the input device
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*/
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/* Enable input on the AUHAL */
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param = 1;
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err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, ¶m, sizeof(param));
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if (err != noErr)
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{
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ERR("Couldn't enable input on AUHAL: %08lx\n", err);
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goto error;
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}
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/* Disable Output on the AUHAL */
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param = 0;
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err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, ¶m, sizeof(param));
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if (err != noErr)
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{
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ERR("Couldn't disable output on AUHAL: %08lx\n", err);
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goto error;
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}
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/* Find the default input device */
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param = sizeof(defaultInputDevice);
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err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, ¶m, &defaultInputDevice);
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if (err != noErr || defaultInputDevice == kAudioDeviceUnknown)
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{
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ERR("Couldn't get the default audio device ID: %08lx\n", err);
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goto error;
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}
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/* Set the current device to the default input device. */
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err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &defaultInputDevice, sizeof(defaultInputDevice));
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if (err != noErr)
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{
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ERR("Couldn't set current device of AUHAL to default input device: %08lx\n", err);
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goto error;
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}
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/* Setup render callback */
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/* This will be called when the AUHAL has input data. However, it won't
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* be passed the data itself. The callback will have to all AudioUnitRender. */
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callback.inputProc = CoreAudio_wiAudioUnitIOProc;
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callback.inputProcRefCon = wwi;
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err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &callback, sizeof(callback));
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if (err != noErr)
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{
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ERR("Couldn't set input callback of AUHAL: %08lx\n", err);
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goto error;
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}
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/* Setup the desired data format. */
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/* FIXME: implement sample rate conversion on input. We shouldn't set
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* the mSampleRate of this to the desired sample rate. We need to query
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* the input device and use that. If they don't match, we need to set up
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* an AUConverter to do the sample rate conversion on a separate thread. */
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desiredFormat.mFormatID = kAudioFormatLinearPCM;
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desiredFormat.mFormatFlags = kLinearPCMFormatFlagIsPacked;
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if (wBitsPerSample != 8)
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desiredFormat.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
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desiredFormat.mSampleRate = nSamplesPerSec;
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desiredFormat.mChannelsPerFrame = nChannels;
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desiredFormat.mFramesPerPacket = 1;
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desiredFormat.mBitsPerChannel = wBitsPerSample;
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desiredFormat.mBytesPerFrame = desiredFormat.mBitsPerChannel * desiredFormat.mChannelsPerFrame / 8;
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desiredFormat.mBytesPerPacket = desiredFormat.mBytesPerFrame * desiredFormat.mFramesPerPacket;
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/* Set the AudioOutputUnit output data format */
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err = AudioUnitSetProperty(au, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &desiredFormat, sizeof(desiredFormat));
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if (err != noErr)
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{
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ERR("Couldn't set desired input format of AUHAL: %08lx\n", err);
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goto error;
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}
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/* Get the number of frames in the IO buffer(s) */
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param = sizeof(*outFrameCount);
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err = AudioUnitGetProperty(au, kAudioDevicePropertyBufferFrameSize, kAudioUnitScope_Global, 0, outFrameCount, ¶m);
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if (err != noErr)
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{
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ERR("Failed to get audio sample size: %08lx\n", err);
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goto error;
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}
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TRACE("Frame count: %lu\n", *outFrameCount);
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/* Initialize the AU */
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err = AudioUnitInitialize(au);
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if (err != noErr)
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{
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ERR("Failed to initialize AU: %08lx\n", err);
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goto error;
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}
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*out_au = au;
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return 1;
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error:
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if (au)
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CloseComponent(au);
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return 0;
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}
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/*
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* MIDI Synth Unit
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*/
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int SynthUnit_CreateDefaultSynthUnit(AUGraph *graph, AudioUnit *synth)
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{
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OSStatus err;
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ComponentDescription desc;
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AUNode synthNode;
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AUNode outNode;
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err = NewAUGraph(graph);
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if (err != noErr)
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{
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ERR_(midi)("NewAUGraph return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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desc.componentManufacturer = kAudioUnitManufacturer_Apple;
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desc.componentFlags = 0;
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desc.componentFlagsMask = 0;
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/* create synth node */
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desc.componentType = kAudioUnitType_MusicDevice;
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desc.componentSubType = kAudioUnitSubType_DLSSynth;
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err = AUGraphNewNode(*graph, &desc, 0, NULL, &synthNode);
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if (err != noErr)
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{
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ERR_(midi)("AUGraphNewNode cannot create synthNode : %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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/* create out node */
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desc.componentType = kAudioUnitType_Output;
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desc.componentSubType = kAudioUnitSubType_DefaultOutput;
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err = AUGraphNewNode(*graph, &desc, 0, NULL, &outNode);
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if (err != noErr)
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{
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ERR_(midi)("AUGraphNewNode cannot create outNode %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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err = AUGraphOpen(*graph);
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if (err != noErr)
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{
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ERR_(midi)("AUGraphOpen return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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/* connecting the nodes */
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err = AUGraphConnectNodeInput(*graph, synthNode, 0, outNode, 0);
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if (err != noErr)
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{
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ERR_(midi)("AUGraphConnectNodeInput cannot connect synthNode to outNode : %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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/* Get the synth unit */
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err = AUGraphGetNodeInfo(*graph, synthNode, 0, 0, 0, synth);
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if (err != noErr)
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{
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ERR_(midi)("AUGraphGetNodeInfo return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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return 1;
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}
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int SynthUnit_Initialize(AudioUnit synth, AUGraph graph)
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{
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OSStatus err = noErr;
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err = AUGraphInitialize(graph);
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if (err != noErr)
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{
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ERR_(midi)("AUGraphInitialize(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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err = AUGraphStart(graph);
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if (err != noErr)
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{
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ERR_(midi)("AUGraphStart(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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return 1;
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}
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int SynthUnit_Close(AUGraph graph)
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{
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OSStatus err = noErr;
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err = AUGraphStop(graph);
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if (err != noErr)
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{
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ERR_(midi)("AUGraphStop(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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err = DisposeAUGraph(graph);
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if (err != noErr)
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{
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ERR_(midi)("DisposeAUGraph(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
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return 0;
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}
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return 1;
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}
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#endif
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