dlls/winecoreaudio.drv/audiounit.c

   1 /*
   2  * Wine Driver for CoreAudio / AudioUnit
   3  *
   4  * Copyright 2005, 2006 Emmanuel Maillard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #ifdef HAVE_AUDIOUNIT_AUDIOUNIT_H
  24
  25 #include <AudioUnit/AudioUnit.h>
  26 #include <AudioToolbox/AudioToolbox.h>
  27
  28 #undef DPRINTF
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(wave);
  32 WINE_DECLARE_DEBUG_CHANNEL(midi);
  33
  34 extern OSStatus CoreAudio_woAudioUnitIOProc(void *inRefCon,
  35                                 AudioUnitRenderActionFlags *ioActionFlags,
  36                                 const AudioTimeStamp *inTimeStamp,
  37                                 UInt32 inBusNumber,
  38                                 UInt32 inNumberFrames,
  39                                 AudioBufferList *ioData);
  40
  41 extern OSStatus CoreAudio_wiAudioUnitIOProc(void *inRefCon,
  42                                 AudioUnitRenderActionFlags *ioActionFlags,
  43                                 const AudioTimeStamp *inTimeStamp,
  44                                 UInt32 inBusNumber,
  45                                 UInt32 inNumberFrames,
  46                                 AudioBufferList *ioData);
  47
  48 int AudioUnit_CreateDefaultAudioUnit(void *wwo, AudioUnit *au)
  49 {
  50     OSStatus err;
  51     Component comp;
  52     ComponentDescription desc;
  53     AURenderCallbackStruct callbackStruct;
  54
  55     desc.componentType = kAudioUnitType_Output;
  56     desc.componentSubType = kAudioUnitSubType_DefaultOutput;
  57     desc.componentManufacturer = kAudioUnitManufacturer_Apple;
  58     desc.componentFlags = 0;
  59     desc.componentFlagsMask = 0;
  60
  61     comp = FindNextComponent(NULL, &desc);
  62     if (comp == NULL)
  63         return 0;
  64
  65     err = OpenAComponent(comp, au);
  66     if (comp == NULL)
  67         return 0;
  68
  69     callbackStruct.inputProc = CoreAudio_woAudioUnitIOProc;
  70     callbackStruct.inputProcRefCon = wwo;
  71
  72     err = AudioUnitSetProperty( *au,
  73                                 kAudioUnitProperty_SetRenderCallback,
  74                                 kAudioUnitScope_Input,
  75                                 0,
  76                                 &callbackStruct,
  77                                 sizeof(callbackStruct));
  78     return (err == noErr);
  79 }
  80
  81 int AudioUnit_CloseAudioUnit(AudioUnit au)
  82 {
  83     OSStatus err = CloseComponent(au);
  84     return (err == noErr);
  85 }
  86
  87 int AudioUnit_InitializeWithStreamDescription(AudioUnit au, AudioStreamBasicDescription *stream)
  88 {
  89     OSStatus err = noErr;
  90
  91     err = AudioUnitSetProperty(au, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input,
  92                                 0, stream, sizeof(*stream));
  93
  94     if (err != noErr)
  95     {
  96         ERR("AudioUnitSetProperty return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
  97         return 0;
  98     }
  99
 100     err = AudioUnitInitialize(au);
 101     if (err != noErr)
 102     {
 103         ERR("AudioUnitInitialize return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 104         return 0;
 105     }
 106     return 1;
 107 }
 108
 109 int AudioUnit_SetVolume(AudioUnit au, float left, float right)
 110 {
 111     OSStatus err = noErr;
 112
 113     err = AudioUnitSetParameter(au, kHALOutputParam_Volume, kAudioUnitParameterFlag_Output, 0, left, 0);
 114
 115     if (err != noErr)
 116     {
 117         ERR("AudioUnitSetParameter return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 118         return 0;
 119     }
 120     return 1;
 121 }
 122
 123 int AudioUnit_GetVolume(AudioUnit au, float *left, float *right)
 124 {
 125     OSStatus err = noErr;
 126
 127     err = AudioUnitGetParameter(au, kHALOutputParam_Volume, kAudioUnitParameterFlag_Output, 0, left);
 128     if (err != noErr)
 129     {
 130         ERR("AudioUnitGetParameter return an error %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 131         return 0;
 132     }
 133     *right = *left;
 134     return 1;
 135 }
 136
 137
 138 /* FIXME: implement sample rate conversion on input */
 139 int AudioUnit_GetInputDeviceSampleRate(void)
 140 {
 141     AudioDeviceID               defaultInputDevice;
 142     UInt32                      param;
 143     Float64                     sampleRate;
 144     OSStatus                    err;
 145
 146     param = sizeof(defaultInputDevice);
 147     err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &param, &defaultInputDevice);
 148     if (err != noErr || defaultInputDevice == kAudioDeviceUnknown)
 149     {
 150         ERR("Couldn't get the default audio input device ID: %08lx\n", err);
 151         return 0;
 152     }
 153
 154     param = sizeof(sampleRate);
 155     err = AudioDeviceGetProperty(defaultInputDevice, 0, 1, kAudioDevicePropertyNominalSampleRate, &param, &sampleRate);
 156     if (err != noErr)
 157     {
 158         ERR("Couldn't get the device sample rate: %08lx\n", err);
 159         return 0;
 160     }
 161
 162     return sampleRate;
 163 }
 164
 165
 166 int AudioUnit_CreateInputUnit(void* wwi, AudioUnit* out_au,
 167         WORD nChannels, DWORD nSamplesPerSec, WORD wBitsPerSample,
 168         UInt32* outFrameCount)
 169 {
 170     OSStatus                    err = noErr;
 171     ComponentDescription        description;
 172     Component                   component;
 173     AudioUnit                   au;
 174     UInt32                      param;
 175     AURenderCallbackStruct      callback;
 176     AudioDeviceID               defaultInputDevice;
 177     AudioStreamBasicDescription desiredFormat;
 178
 179
 180     if (!outFrameCount)
 181     {
 182         ERR("Invalid parameter\n");
 183         return 0;
 184     }
 185
 186     /* Open the AudioOutputUnit */
 187     description.componentType           = kAudioUnitType_Output;
 188     description.componentSubType        = kAudioUnitSubType_HALOutput;
 189     description.componentManufacturer   = kAudioUnitManufacturer_Apple;
 190     description.componentFlags          = 0;
 191     description.componentFlagsMask      = 0;
 192
 193     component = FindNextComponent(NULL, &description);
 194     if (!component)
 195     {
 196         ERR("FindNextComponent(kAudioUnitSubType_HALOutput) failed\n");
 197         return 0;
 198     }
 199
 200     err = OpenAComponent(component, &au);
 201     if (err != noErr || au == NULL)
 202     {
 203         ERR("OpenAComponent failed: %08lx\n", err);
 204         return 0;
 205     }
 206
 207     /* Configure the AudioOutputUnit */
 208     /* The AUHAL has two buses (AKA elements).  Bus 0 is output from the app
 209      * to the device.  Bus 1 is input from the device to the app.  Each bus
 210      * has two ends (AKA scopes).  Data goes from the input scope to the
 211      * output scope.  The terminology is somewhat confusing because the terms
 212      * "input" and "output" have two meanings.  Here's a summary:
 213      *
 214      *      Bus 0, input scope: refers to the source of data to be output as sound
 215      *      Bus 0, output scope: refers to the actual sound output device
 216      *      Bus 1, input scope: refers to the actual sound input device
 217      *      Bus 1, output scope: refers to the destination of data received by the input device
 218      */
 219
 220     /* Enable input on the AUHAL */
 221     param = 1;
 222     err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &param, sizeof(param));
 223     if (err != noErr)
 224     {
 225         ERR("Couldn't enable input on AUHAL: %08lx\n", err);
 226         goto error;
 227     }
 228
 229     /* Disable Output on the AUHAL */
 230     param = 0;
 231     err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, &param, sizeof(param));
 232     if (err != noErr)
 233     {
 234         ERR("Couldn't disable output on AUHAL: %08lx\n", err);
 235         goto error;
 236     }
 237
 238     /* Find the default input device */
 239     param = sizeof(defaultInputDevice);
 240     err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &param, &defaultInputDevice);
 241     if (err != noErr || defaultInputDevice == kAudioDeviceUnknown)
 242     {
 243         ERR("Couldn't get the default audio device ID: %08lx\n", err);
 244         goto error;
 245     }
 246
 247     /* Set the current device to the default input device. */
 248     err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &defaultInputDevice, sizeof(defaultInputDevice));
 249     if (err != noErr)
 250     {
 251         ERR("Couldn't set current device of AUHAL to default input device: %08lx\n", err);
 252         goto error;
 253     }
 254
 255     /* Setup render callback */
 256     /* This will be called when the AUHAL has input data.  However, it won't
 257      * be passed the data itself.  The callback will have to all AudioUnitRender. */
 258     callback.inputProc = CoreAudio_wiAudioUnitIOProc;
 259     callback.inputProcRefCon = wwi;
 260     err = AudioUnitSetProperty(au, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &callback, sizeof(callback));
 261     if (err != noErr)
 262     {
 263         ERR("Couldn't set input callback of AUHAL: %08lx\n", err);
 264         goto error;
 265     }
 266
 267     /* Setup the desired data format. */
 268     /* FIXME: implement sample rate conversion on input.  We shouldn't set
 269      * the mSampleRate of this to the desired sample rate.  We need to query
 270      * the input device and use that.  If they don't match, we need to set up
 271      * an AUConverter to do the sample rate conversion on a separate thread. */
 272     desiredFormat.mFormatID         = kAudioFormatLinearPCM;
 273     desiredFormat.mFormatFlags      = kLinearPCMFormatFlagIsPacked;
 274     if (wBitsPerSample != 8)
 275         desiredFormat.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
 276     desiredFormat.mSampleRate       = nSamplesPerSec;
 277     desiredFormat.mChannelsPerFrame = nChannels;
 278     desiredFormat.mFramesPerPacket  = 1;
 279     desiredFormat.mBitsPerChannel   = wBitsPerSample;
 280     desiredFormat.mBytesPerFrame    = desiredFormat.mBitsPerChannel * desiredFormat.mChannelsPerFrame / 8;
 281     desiredFormat.mBytesPerPacket   = desiredFormat.mBytesPerFrame * desiredFormat.mFramesPerPacket;
 282
 283     /* Set the AudioOutputUnit output data format */
 284     err = AudioUnitSetProperty(au, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &desiredFormat, sizeof(desiredFormat));
 285     if (err != noErr)
 286     {
 287         ERR("Couldn't set desired input format of AUHAL: %08lx\n", err);
 288         goto error;
 289     }
 290
 291     /* Get the number of frames in the IO buffer(s) */
 292     param = sizeof(*outFrameCount);
 293     err = AudioUnitGetProperty(au, kAudioDevicePropertyBufferFrameSize, kAudioUnitScope_Global, 0, outFrameCount, &param);
 294     if (err != noErr)
 295     {
 296         ERR("Failed to get audio sample size: %08lx\n", err);
 297         goto error;
 298     }
 299
 300     TRACE("Frame count: %lu\n", *outFrameCount);
 301
 302     /* Initialize the AU */
 303     err = AudioUnitInitialize(au);
 304     if (err != noErr)
 305     {
 306         ERR("Failed to initialize AU: %08lx\n", err);
 307         goto error;
 308     }
 309
 310     *out_au = au;
 311
 312     return 1;
 313
 314 error:
 315     if (au)
 316         CloseComponent(au);
 317     return 0;
 318 }
 319
 320 /*
 321  *  MIDI Synth Unit
 322  */
 323 int SynthUnit_CreateDefaultSynthUnit(AUGraph *graph, AudioUnit *synth)
 324 {
 325     OSStatus err;
 326     ComponentDescription desc;
 327     AUNode synthNode;
 328     AUNode outNode;
 329
 330     err = NewAUGraph(graph);
 331     if (err != noErr)
 332     {
 333         ERR_(midi)("NewAUGraph return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 334         return 0;
 335     }
 336
 337     desc.componentManufacturer = kAudioUnitManufacturer_Apple;
 338     desc.componentFlags = 0;
 339     desc.componentFlagsMask = 0;
 340
 341     /* create synth node */
 342     desc.componentType = kAudioUnitType_MusicDevice;
 343     desc.componentSubType = kAudioUnitSubType_DLSSynth;
 344
 345     err = AUGraphNewNode(*graph, &desc, 0, NULL, &synthNode);
 346     if (err != noErr)
 347     {
 348         ERR_(midi)("AUGraphNewNode cannot create synthNode : %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 349         return 0;
 350     }
 351
 352     /* create out node */
 353     desc.componentType = kAudioUnitType_Output;
 354     desc.componentSubType = kAudioUnitSubType_DefaultOutput;
 355
 356     err = AUGraphNewNode(*graph, &desc, 0, NULL, &outNode);
 357     if (err != noErr)
 358     {
 359         ERR_(midi)("AUGraphNewNode cannot create outNode %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 360         return 0;
 361     }
 362
 363     err = AUGraphOpen(*graph);
 364     if (err != noErr)
 365     {
 366         ERR_(midi)("AUGraphOpen return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 367         return 0;
 368     }
 369
 370     /* connecting the nodes */
 371     err = AUGraphConnectNodeInput(*graph, synthNode, 0, outNode, 0);
 372     if (err != noErr)
 373     {
 374         ERR_(midi)("AUGraphConnectNodeInput cannot connect synthNode to outNode : %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 375         return 0;
 376     }
 377
 378     /* Get the synth unit */
 379     err = AUGraphGetNodeInfo(*graph, synthNode, 0, 0, 0, synth);
 380     if (err != noErr)
 381     {
 382         ERR_(midi)("AUGraphGetNodeInfo return %c%c%c%c\n", (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 383         return 0;
 384     }
 385
 386     return 1;
 387 }
 388
 389 int SynthUnit_Initialize(AudioUnit synth, AUGraph graph)
 390 {
 391     OSStatus err = noErr;
 392
 393     err = AUGraphInitialize(graph);
 394     if (err != noErr)
 395     {
 396         ERR_(midi)("AUGraphInitialize(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 397         return 0;
 398     }
 399
 400     err = AUGraphStart(graph);
 401     if (err != noErr)
 402     {
 403         ERR_(midi)("AUGraphStart(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 404         return 0;
 405     }
 406
 407     return 1;
 408 }
 409
 410 int SynthUnit_Close(AUGraph graph)
 411 {
 412     OSStatus err = noErr;
 413
 414     err = AUGraphStop(graph);
 415     if (err != noErr)
 416     {
 417         ERR_(midi)("AUGraphStop(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 418         return 0;
 419     }
 420
 421     err = DisposeAUGraph(graph);
 422     if (err != noErr)
 423     {
 424         ERR_(midi)("DisposeAUGraph(%p) return %c%c%c%c\n", graph, (char) (err >> 24), (char) (err >> 16), (char) (err >> 8), (char) err);
 425         return 0;
 426     }
 427
 428     return 1;
 429 }
 430
 431 #endif