Sweden-Number/dlls/winecoreaudio.drv/audiounit.c

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/*
* Wine Driver for CoreAudio / AudioUnit
*
* Copyright 2005, 2006 Emmanuel Maillard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
2006-06-01 13:15:54 +02:00
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#ifdef HAVE_AUDIOUNIT_AUDIOUNIT_H
#include <AudioUnit/AudioUnit.h>
#include <AudioToolbox/AudioToolbox.h>
#undef DPRINTF
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wave);
WINE_DECLARE_DEBUG_CHANNEL(midi);
extern OSStatus CoreAudio_woAudioUnitIOProc(void *inRefCon,
AudioUnitRenderActionFlags *ioActionFlags,
const AudioTimeStamp *inTimeStamp,
UInt32 inBusNumber,
UInt32 inNumberFrames,
AudioBufferList *ioData);
extern OSStatus CoreAudio_wiAudioUnitIOProc(void *inRefCon,
AudioUnitRenderActionFlags *ioActionFlags,
const AudioTimeStamp *inTimeStamp,
UInt32 inBusNumber,
UInt32 inNumberFrames,
AudioBufferList *ioData);
int AudioUnit_CreateDefaultAudioUnit(void *wwo, AudioUnit *au)
{
OSStatus err;
Component comp;
ComponentDescription desc;
AURenderCallbackStruct callbackStruct;
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_DefaultOutput;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
comp = FindNextComponent(NULL, &desc);
if (comp == NULL)
return 0;
err = OpenAComponent(comp, au);
if (comp == NULL)
return 0;
callbackStruct.inputProc = CoreAudio_woAudioUnitIOProc;
callbackStruct.inputProcRefCon = wwo;
err = AudioUnitSetProperty( *au,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Input,
0,
&callbackStruct,
sizeof(callbackStruct));
return (err == noErr);
}
int AudioUnit_CloseAudioUnit(AudioUnit au)
{
OSStatus err = CloseComponent(au);
return (err == noErr);
}
int AudioUnit_InitializeWithStreamDescription(AudioUnit au, AudioStreamBasicDescription *stream)
{
OSStatus err = noErr;
err = AudioUnitSetProperty(au, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input,
0, stream, sizeof(*stream));
if (err != noErr)
{
ERR("AudioUnitSetProperty return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
err = AudioUnitInitialize(au);
if (err != noErr)
{
ERR("AudioUnitInitialize return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
return 1;
}
int AudioUnit_SetVolume(AudioUnit au, float left, float right)
{
OSStatus err = noErr;
err = AudioUnitSetParameter(au, kHALOutputParam_Volume, kAudioUnitParameterFlag_Output, 0, left, 0);
if (err != noErr)
{
ERR("AudioUnitSetParameter return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
return 1;
}
int AudioUnit_GetVolume(AudioUnit au, float *left, float *right)
{
OSStatus err = noErr;
err = AudioUnitGetParameter(au, kHALOutputParam_Volume, kAudioUnitParameterFlag_Output, 0, left);
if (err != noErr)
{
ERR("AudioUnitGetParameter return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
*right = *left;
return 1;
}
/* FIXME: implement sample rate conversion on input */
int AudioUnit_GetInputDeviceSampleRate(void)
{
AudioDeviceID defaultInputDevice;
UInt32 param;
Float64 sampleRate;
OSStatus err;
param = sizeof(defaultInputDevice);
err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &param, &defaultInputDevice);
if (err != noErr || defaultInputDevice == kAudioDeviceUnknown)
{
ERR("Couldn't get the default audio input device ID: %08lx\n", err);
return 0;
}
param = sizeof(sampleRate);
err = AudioDeviceGetProperty(defaultInputDevice, 0, 1, kAudioDevicePropertyNominalSampleRate, &param, &sampleRate);
if (err != noErr)
{
ERR("Couldn't get the device sample rate: %08lx\n", err);
return 0;
}
return sampleRate;
}
int AudioUnit_CreateInputUnit(void* wwi, AudioUnit* out_au,
WORD nChannels, DWORD nSamplesPerSec, WORD wBitsPerSample,
UInt32* outFrameCount)
{
OSStatus err = noErr;
ComponentDescription description;
Component component;
AudioUnit au;
UInt32 param;
AURenderCallbackStruct callback;
AudioDeviceID defaultInputDevice;
AudioStreamBasicDescription desiredFormat;
if (!outFrameCount)
{
ERR("Invalid parameter\n");
return 0;
}
/* Open the AudioOutputUnit */
description.componentType = kAudioUnitType_Output;
description.componentSubType = kAudioUnitSubType_HALOutput;
description.componentManufacturer = kAudioUnitManufacturer_Apple;
description.componentFlags = 0;
description.componentFlagsMask = 0;
component = FindNextComponent(NULL, &description);
if (!component)
{
ERR("FindNextComponent(kAudioUnitSubType_HALOutput) failed\n");
return 0;
}
err = OpenAComponent(component, &au);
if (err != noErr || au == NULL)
{
ERR("OpenAComponent failed: %08lx\n", err);
return 0;
}
/* Configure the AudioOutputUnit */
/* The AUHAL has two buses (AKA elements). Bus 0 is output from the app
* to the device. Bus 1 is input from the device to the app. Each bus
* has two ends (AKA scopes). Data goes from the input scope to the
* output scope. The terminology is somewhat confusing because the terms
* "input" and "output" have two meanings. Here's a summary:
*
* Bus 0, input scope: refers to the source of data to be output as sound
* Bus 0, output scope: refers to the actual sound output device
* Bus 1, input scope: refers to the actual sound input device
* Bus 1, output scope: refers to the destination of data received by the input device
*/
/* Enable input on the AUHAL */
param = 1;
err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &param, sizeof(param));
if (err != noErr)
{
ERR("Couldn't enable input on AUHAL: %08lx\n", err);
goto error;
}
/* Disable Output on the AUHAL */
param = 0;
err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, &param, sizeof(param));
if (err != noErr)
{
ERR("Couldn't disable output on AUHAL: %08lx\n", err);
goto error;
}
/* Find the default input device */
param = sizeof(defaultInputDevice);
err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &param, &defaultInputDevice);
if (err != noErr || defaultInputDevice == kAudioDeviceUnknown)
{
ERR("Couldn't get the default audio device ID: %08lx\n", err);
goto error;
}
/* Set the current device to the default input device. */
err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &defaultInputDevice, sizeof(defaultInputDevice));
if (err != noErr)
{
ERR("Couldn't set current device of AUHAL to default input device: %08lx\n", err);
goto error;
}
/* Setup render callback */
/* This will be called when the AUHAL has input data. However, it won't
* be passed the data itself. The callback will have to all AudioUnitRender. */
callback.inputProc = CoreAudio_wiAudioUnitIOProc;
callback.inputProcRefCon = wwi;
err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &callback, sizeof(callback));
if (err != noErr)
{
ERR("Couldn't set input callback of AUHAL: %08lx\n", err);
goto error;
}
/* Setup the desired data format. */
/* FIXME: implement sample rate conversion on input. We shouldn't set
* the mSampleRate of this to the desired sample rate. We need to query
* the input device and use that. If they don't match, we need to set up
* an AUConverter to do the sample rate conversion on a separate thread. */
desiredFormat.mFormatID = kAudioFormatLinearPCM;
desiredFormat.mFormatFlags = kLinearPCMFormatFlagIsPacked;
if (wBitsPerSample != 8)
desiredFormat.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
desiredFormat.mSampleRate = nSamplesPerSec;
desiredFormat.mChannelsPerFrame = nChannels;
desiredFormat.mFramesPerPacket = 1;
desiredFormat.mBitsPerChannel = wBitsPerSample;
desiredFormat.mBytesPerFrame = desiredFormat.mBitsPerChannel * desiredFormat.mChannelsPerFrame / 8;
desiredFormat.mBytesPerPacket = desiredFormat.mBytesPerFrame * desiredFormat.mFramesPerPacket;
/* Set the AudioOutputUnit output data format */
err = AudioUnitSetProperty(au, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &desiredFormat, sizeof(desiredFormat));
if (err != noErr)
{
ERR("Couldn't set desired input format of AUHAL: %08lx\n", err);
goto error;
}
/* Get the number of frames in the IO buffer(s) */
param = sizeof(*outFrameCount);
err = AudioUnitGetProperty(au, kAudioDevicePropertyBufferFrameSize, kAudioUnitScope_Global, 0, outFrameCount, &param);
if (err != noErr)
{
ERR("Failed to get audio sample size: %08lx\n", err);
goto error;
}
TRACE("Frame count: %lu\n", *outFrameCount);
/* Initialize the AU */
err = AudioUnitInitialize(au);
if (err != noErr)
{
ERR("Failed to initialize AU: %08lx\n", err);
goto error;
}
*out_au = au;
return 1;
error:
if (au)
CloseComponent(au);
return 0;
}
/*
* MIDI Synth Unit
*/
int SynthUnit_CreateDefaultSynthUnit(AUGraph *graph, AudioUnit *synth)
{
OSStatus err;
ComponentDescription desc;
AUNode synthNode;
AUNode outNode;
err = NewAUGraph(graph);
if (err != noErr)
{
ERR_(midi)("NewAUGraph return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
/* create synth node */
desc.componentType = kAudioUnitType_MusicDevice;
desc.componentSubType = kAudioUnitSubType_DLSSynth;
err = AUGraphNewNode(*graph, &desc, 0, NULL, &synthNode);
if (err != noErr)
{
ERR_(midi)("AUGraphNewNode cannot create synthNode : %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
/* create out node */
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_DefaultOutput;
err = AUGraphNewNode(*graph, &desc, 0, NULL, &outNode);
if (err != noErr)
{
ERR_(midi)("AUGraphNewNode cannot create outNode %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
err = AUGraphOpen(*graph);
if (err != noErr)
{
ERR_(midi)("AUGraphOpen return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
/* connecting the nodes */
err = AUGraphConnectNodeInput(*graph, synthNode, 0, outNode, 0);
if (err != noErr)
{
ERR_(midi)("AUGraphConnectNodeInput cannot connect synthNode to outNode : %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
/* Get the synth unit */
err = AUGraphGetNodeInfo(*graph, synthNode, 0, 0, 0, synth);
if (err != noErr)
{
ERR_(midi)("AUGraphGetNodeInfo return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
return 1;
}
int SynthUnit_Initialize(AudioUnit synth, AUGraph graph)
{
OSStatus err = noErr;
err = AUGraphInitialize(graph);
if (err != noErr)
{
ERR_(midi)("AUGraphInitialize(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
err = AUGraphStart(graph);
if (err != noErr)
{
ERR_(midi)("AUGraphStart(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
return 1;
}
int SynthUnit_Close(AUGraph graph)
{
OSStatus err = noErr;
err = AUGraphStop(graph);
if (err != noErr)
{
ERR_(midi)("AUGraphStop(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
err = DisposeAUGraph(graph);
if (err != noErr)
{
ERR_(midi)("DisposeAUGraph(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
return 0;
}
return 1;
}
#endif