Mercurial > audio-send

     1 /**

     2  * OpenAL cross platform audio library

     3  * Copyright (C) 1999-2007 by authors.

     4  * This library is free software; you can redistribute it and/or

     5  *  modify it under the terms of the GNU Library General Public

     6  *  License as published by the Free Software Foundation; either

     7  *  version 2 of the License, or (at your option) any later version.

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  *  Library General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Library General Public

    15  *  License along with this library; if not, write to the

    16  *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    17  *  Boston, MA  02111-1307, USA.

    18  * Or go to http://www.gnu.org/copyleft/lgpl.html

    19  */

    20 

    21 #include "config.h"

    22 

    23 #define _WIN32_WINNT 0x0500

    24 #include <stdlib.h>

    25 #include <stdio.h>

    26 #include <memory.h>

    27 

    28 #include <dsound.h>

    29 #include <cguid.h>

    30 #include <mmreg.h>

    31 #ifndef _WAVEFORMATEXTENSIBLE_

    32 #include <ks.h>

    33 #include <ksmedia.h>

    34 #endif

    35 

    36 #include "alMain.h"

    37 #include "AL/al.h"

    38 #include "AL/alc.h"

    39 

    40 #ifndef DSSPEAKER_5POINT1

    41 #define DSSPEAKER_5POINT1       6

    42 #endif

    43 #ifndef DSSPEAKER_7POINT1

    44 #define DSSPEAKER_7POINT1       7

    45 #endif

    46 

    47 DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);

    48 DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);

    49 

    50 

    51 static HMODULE ds_handle;

    52 static HRESULT (WINAPI *pDirectSoundCreate)(LPCGUID pcGuidDevice, IDirectSound **ppDS, IUnknown *pUnkOuter);

    53 static HRESULT (WINAPI *pDirectSoundEnumerateA)(LPDSENUMCALLBACKA pDSEnumCallback, void *pContext);

    54 

    55 #define DirectSoundCreate     pDirectSoundCreate

    56 #define DirectSoundEnumerateA pDirectSoundEnumerateA

    57 

    58 

    59 typedef struct {

    60     // DirectSound Playback Device

    61     IDirectSound       *lpDS;

    62     IDirectSoundBuffer *DSpbuffer;

    63     IDirectSoundBuffer *DSsbuffer;

    64     IDirectSoundNotify *DSnotify;

    65     HANDLE             hNotifyEvent;

    66 

    67     volatile int killNow;

    68     ALvoid *thread;

    69 } DSoundData;

    70 

    71 

    72 typedef struct {

    73     ALCchar *name;

    74     GUID guid;

    75 } DevMap;

    76 

    77 static const ALCchar dsDevice[] = "DirectSound Default";

    78 static DevMap *DeviceList;

    79 static ALuint NumDevices;

    80 

    81 #define MAX_UPDATES 128

    82 

    83 static ALCboolean DSoundLoad(void)

    84 {

    85     ALCboolean ok = ALC_TRUE;

    86     if(!ds_handle)

    87     {

    88         ds_handle = LoadLibraryA("dsound.dll");

    89         if(ds_handle == NULL)

    90         {

    91             ERR("Failed to load dsound.dll\n");

    92             return ALC_FALSE;

    93         }

    94 

    95 #define LOAD_FUNC(x) do {                                                     \

    96     if((p##x = (void*)GetProcAddress(ds_handle, #x)) == NULL) {               \

    97         ERR("Could not load %s from dsound.dll\n", #x);                       \

    98         ok = ALC_FALSE;                                                       \

    99     }                                                                         \

   100 } while(0)

   101         LOAD_FUNC(DirectSoundCreate);

   102         LOAD_FUNC(DirectSoundEnumerateA);

   103 #undef LOAD_FUNC

   104 

   105         if(!ok)

   106         {

   107             FreeLibrary(ds_handle);

   108             ds_handle = NULL;

   109         }

   110     }

   111     return ok;

   112 }

   113 

   114 

   115 static BOOL CALLBACK DSoundEnumDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data)

   116 {

   117     char str[1024];

   118     void *temp;

   119     int count;

   120     ALuint i;

   121 

   122     (void)data;

   123     (void)drvname;

   124 

   125     if(!guid)

   126         return TRUE;

   127 

   128     count = 0;

   129     do {

   130         if(count == 0)

   131             snprintf(str, sizeof(str), "%s", desc);

   132         else

   133             snprintf(str, sizeof(str), "%s #%d", desc, count+1);

   134         count++;

   135 

   136         for(i = 0;i < NumDevices;i++)

   137         {

   138             if(strcmp(str, DeviceList[i].name) == 0)

   139                 break;

   140         }

   141     } while(i != NumDevices);

   142 

   143     temp = realloc(DeviceList, sizeof(DevMap) * (NumDevices+1));

   144     if(temp)

   145     {

   146         DeviceList = temp;

   147         DeviceList[NumDevices].name = strdup(str);

   148         DeviceList[NumDevices].guid = *guid;

   149         NumDevices++;

   150     }

   151 

   152     return TRUE;

   153 }

   154 

   155 

   156 static ALuint DSoundProc(ALvoid *ptr)

   157 {

   158     ALCdevice *pDevice = (ALCdevice*)ptr;

   159     DSoundData *pData = (DSoundData*)pDevice->ExtraData;

   160     DSBCAPS DSBCaps;

   161     DWORD LastCursor = 0;

   162     DWORD PlayCursor;

   163     VOID *WritePtr1, *WritePtr2;

   164     DWORD WriteCnt1,  WriteCnt2;

   165     BOOL Playing = FALSE;

   166     DWORD FrameSize;

   167     DWORD FragSize;

   168     DWORD avail;

   169     HRESULT err;

   170 

   171     SetRTPriority();

   172 

   173     memset(&DSBCaps, 0, sizeof(DSBCaps));

   174     DSBCaps.dwSize = sizeof(DSBCaps);

   175     err = IDirectSoundBuffer_GetCaps(pData->DSsbuffer, &DSBCaps);

   176     if(FAILED(err))

   177     {

   178         ERR("Failed to get buffer caps: 0x%lx\n", err);

   179         aluHandleDisconnect(pDevice);

   180         return 1;

   181     }

   182 

   183     FrameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);

   184     FragSize = pDevice->UpdateSize * FrameSize;

   185 

   186     IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &LastCursor, NULL);

   187     while(!pData->killNow)

   188     {

   189         // Get current play cursor

   190         IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &PlayCursor, NULL);

   191         avail = (PlayCursor-LastCursor+DSBCaps.dwBufferBytes) % DSBCaps.dwBufferBytes;

   192 

   193         if(avail < FragSize)

   194         {

   195             if(!Playing)

   196             {

   197                 err = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);

   198                 if(FAILED(err))

   199                 {

   200                     ERR("Failed to play buffer: 0x%lx\n", err);

   201                     aluHandleDisconnect(pDevice);

   202                     return 1;

   203                 }

   204                 Playing = TRUE;

   205             }

   206 

   207             avail = WaitForSingleObjectEx(pData->hNotifyEvent, 2000, FALSE);

   208             if(avail != WAIT_OBJECT_0)

   209                 ERR("WaitForSingleObjectEx error: 0x%lx\n", avail);

   210             continue;

   211         }

   212         avail -= avail%FragSize;

   213 

   214         // Lock output buffer

   215         WriteCnt1 = 0;

   216         WriteCnt2 = 0;

   217         err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);

   218 

   219         // If the buffer is lost, restore it and lock

   220         if(err == DSERR_BUFFERLOST)

   221         {

   222             WARN("Buffer lost, restoring...\n");

   223             err = IDirectSoundBuffer_Restore(pData->DSsbuffer);

   224             if(SUCCEEDED(err))

   225             {

   226                 Playing = FALSE;

   227                 LastCursor = 0;

   228                 err = IDirectSoundBuffer_Lock(pData->DSsbuffer, 0, DSBCaps.dwBufferBytes, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);

   229             }

   230         }

   231 

   232         // Successfully locked the output buffer

   233         if(SUCCEEDED(err))

   234         {

   235             // If we have an active context, mix data directly into output buffer otherwise fill with silence

   236             aluMixData(pDevice, WritePtr1, WriteCnt1/FrameSize);

   237             aluMixData(pDevice, WritePtr2, WriteCnt2/FrameSize);

   238 

   239             // Unlock output buffer only when successfully locked

   240             IDirectSoundBuffer_Unlock(pData->DSsbuffer, WritePtr1, WriteCnt1, WritePtr2, WriteCnt2);

   241         }

   242         else

   243         {

   244             ERR("Buffer lock error: %#lx\n", err);

   245             aluHandleDisconnect(pDevice);

   246             return 1;

   247         }

   248 

   249         // Update old write cursor location

   250         LastCursor += WriteCnt1+WriteCnt2;

   251         LastCursor %= DSBCaps.dwBufferBytes;

   252     }

   253 

   254     return 0;

   255 }

   256 

   257 static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName)

   258 {

   259     DSoundData *pData = NULL;

   260     LPGUID guid = NULL;

   261     HRESULT hr;

   262 

   263     if(!deviceName)

   264         deviceName = dsDevice;

   265     else if(strcmp(deviceName, dsDevice) != 0)

   266     {

   267         ALuint i;

   268 

   269         if(!DeviceList)

   270         {

   271             hr = DirectSoundEnumerateA(DSoundEnumDevices, NULL);

   272             if(FAILED(hr))

   273                 ERR("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);

   274         }

   275 

   276         for(i = 0;i < NumDevices;i++)

   277         {

   278             if(strcmp(deviceName, DeviceList[i].name) == 0)

   279             {

   280                 guid = &DeviceList[i].guid;

   281                 break;

   282             }

   283         }

   284         if(i == NumDevices)

   285             return ALC_FALSE;

   286     }

   287 

   288     //Initialise requested device

   289     pData = calloc(1, sizeof(DSoundData));

   290     if(!pData)

   291     {

   292         alcSetError(device, ALC_OUT_OF_MEMORY);

   293         return ALC_FALSE;

   294     }

   295 

   296     hr = DS_OK;

   297     pData->hNotifyEvent = CreateEvent(NULL, FALSE, FALSE, NULL);

   298     if(pData->hNotifyEvent == NULL)

   299         hr = E_FAIL;

   300 

   301     //DirectSound Init code

   302     if(SUCCEEDED(hr))

   303         hr = DirectSoundCreate(guid, &pData->lpDS, NULL);

   304     if(SUCCEEDED(hr))

   305         hr = IDirectSound_SetCooperativeLevel(pData->lpDS, GetForegroundWindow(), DSSCL_PRIORITY);

   306     if(FAILED(hr))

   307     {

   308         if(pData->lpDS)

   309             IDirectSound_Release(pData->lpDS);

   310         if(pData->hNotifyEvent)

   311             CloseHandle(pData->hNotifyEvent);

   312         free(pData);

   313         ERR("Device init failed: 0x%08lx\n", hr);

   314         return ALC_FALSE;

   315     }

   316 

   317     device->szDeviceName = strdup(deviceName);

   318     device->ExtraData = pData;

   319     return ALC_TRUE;

   320 }

   321 

   322 static void DSoundClosePlayback(ALCdevice *device)

   323 {

   324     DSoundData *pData = device->ExtraData;

   325 

   326     IDirectSound_Release(pData->lpDS);

   327     CloseHandle(pData->hNotifyEvent);

   328     free(pData);

   329     device->ExtraData = NULL;

   330 }

   331 

   332 static ALCboolean DSoundResetPlayback(ALCdevice *device)

   333 {

   334     DSoundData *pData = (DSoundData*)device->ExtraData;

   335     DSBUFFERDESC DSBDescription;

   336     WAVEFORMATEXTENSIBLE OutputType;

   337     DWORD speakers;

   338     HRESULT hr;

   339 

   340     memset(&OutputType, 0, sizeof(OutputType));

   341 

   342     switch(device->FmtType)

   343     {

   344         case DevFmtByte:

   345             device->FmtType = DevFmtUByte;

   346             break;

   347         case DevFmtUShort:

   348             device->FmtType = DevFmtShort;

   349             break;

   350         case DevFmtUByte:

   351         case DevFmtShort:

   352         case DevFmtFloat:

   353             break;

   354     }

   355 

   356     hr = IDirectSound_GetSpeakerConfig(pData->lpDS, &speakers);

   357     if(SUCCEEDED(hr))

   358     {

   359         if(!(device->Flags&DEVICE_CHANNELS_REQUEST))

   360         {

   361             speakers = DSSPEAKER_CONFIG(speakers);

   362             if(speakers == DSSPEAKER_MONO)

   363                 device->FmtChans = DevFmtMono;

   364             else if(speakers == DSSPEAKER_STEREO || speakers == DSSPEAKER_HEADPHONE)

   365                 device->FmtChans = DevFmtStereo;

   366             else if(speakers == DSSPEAKER_QUAD)

   367                 device->FmtChans = DevFmtQuad;

   368             else if(speakers == DSSPEAKER_5POINT1)

   369                 device->FmtChans = DevFmtX51;

   370             else if(speakers == DSSPEAKER_7POINT1)

   371                 device->FmtChans = DevFmtX71;

   372             else

   373                 ERR("Unknown system speaker config: 0x%lx\n", speakers);

   374         }

   375 

   376         switch(device->FmtChans)

   377         {

   378             case DevFmtMono:

   379                 OutputType.dwChannelMask = SPEAKER_FRONT_CENTER;

   380                 break;

   381             case DevFmtStereo:

   382                 OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |

   383                                            SPEAKER_FRONT_RIGHT;

   384                 break;

   385             case DevFmtQuad:

   386                 OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |

   387                                            SPEAKER_FRONT_RIGHT |

   388                                            SPEAKER_BACK_LEFT |

   389                                            SPEAKER_BACK_RIGHT;

   390                 break;

   391             case DevFmtX51:

   392                 OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |

   393                                            SPEAKER_FRONT_RIGHT |

   394                                            SPEAKER_FRONT_CENTER |

   395                                            SPEAKER_LOW_FREQUENCY |

   396                                            SPEAKER_BACK_LEFT |

   397                                            SPEAKER_BACK_RIGHT;

   398                 break;

   399             case DevFmtX51Side:

   400                 OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |

   401                                            SPEAKER_FRONT_RIGHT |

   402                                            SPEAKER_FRONT_CENTER |

   403                                            SPEAKER_LOW_FREQUENCY |

   404                                            SPEAKER_SIDE_LEFT |

   405                                            SPEAKER_SIDE_RIGHT;

   406                 break;

   407             case DevFmtX61:

   408                 OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |

   409                                            SPEAKER_FRONT_RIGHT |

   410                                            SPEAKER_FRONT_CENTER |

   411                                            SPEAKER_LOW_FREQUENCY |

   412                                            SPEAKER_BACK_CENTER |

   413                                            SPEAKER_SIDE_LEFT |

   414                                            SPEAKER_SIDE_RIGHT;

   415                 break;

   416             case DevFmtX71:

   417                 OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |

   418                                            SPEAKER_FRONT_RIGHT |

   419                                            SPEAKER_FRONT_CENTER |

   420                                            SPEAKER_LOW_FREQUENCY |

   421                                            SPEAKER_BACK_LEFT |

   422                                            SPEAKER_BACK_RIGHT |

   423                                            SPEAKER_SIDE_LEFT |

   424                                            SPEAKER_SIDE_RIGHT;

   425                 break;

   426         }

   427 

   428         OutputType.Format.wFormatTag = WAVE_FORMAT_PCM;

   429         OutputType.Format.nChannels = ChannelsFromDevFmt(device->FmtChans);

   430         OutputType.Format.wBitsPerSample = BytesFromDevFmt(device->FmtType) * 8;

   431         OutputType.Format.nBlockAlign = OutputType.Format.nChannels*OutputType.Format.wBitsPerSample/8;

   432         OutputType.Format.nSamplesPerSec = device->Frequency;

   433         OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec*OutputType.Format.nBlockAlign;

   434         OutputType.Format.cbSize = 0;

   435     }

   436 

   437     if(OutputType.Format.nChannels > 2 || device->FmtType == DevFmtFloat)

   438     {

   439         OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;

   440         OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;

   441         OutputType.Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);

   442         if(device->FmtType == DevFmtFloat)

   443             OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;

   444         else

   445             OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;

   446     }

   447     else

   448     {

   449         if(SUCCEEDED(hr))

   450         {

   451             memset(&DSBDescription,0,sizeof(DSBUFFERDESC));

   452             DSBDescription.dwSize=sizeof(DSBUFFERDESC);

   453             DSBDescription.dwFlags=DSBCAPS_PRIMARYBUFFER;

   454             hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSpbuffer, NULL);

   455         }

   456         if(SUCCEEDED(hr))

   457             hr = IDirectSoundBuffer_SetFormat(pData->DSpbuffer,&OutputType.Format);

   458     }

   459 

   460     if(SUCCEEDED(hr))

   461     {

   462         if(device->NumUpdates > MAX_UPDATES)

   463         {

   464             device->UpdateSize = (device->UpdateSize*device->NumUpdates +

   465                                   MAX_UPDATES-1) / MAX_UPDATES;

   466             device->NumUpdates = MAX_UPDATES;

   467         }

   468 

   469         memset(&DSBDescription,0,sizeof(DSBUFFERDESC));

   470         DSBDescription.dwSize=sizeof(DSBUFFERDESC);

   471         DSBDescription.dwFlags=DSBCAPS_CTRLPOSITIONNOTIFY|DSBCAPS_GETCURRENTPOSITION2|DSBCAPS_GLOBALFOCUS;

   472         DSBDescription.dwBufferBytes=device->UpdateSize * device->NumUpdates *

   473                                      OutputType.Format.nBlockAlign;

   474         DSBDescription.lpwfxFormat=&OutputType.Format;

   475         hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSsbuffer, NULL);

   476     }

   477 

   478     if(SUCCEEDED(hr))

   479     {

   480         hr = IDirectSoundBuffer_QueryInterface(pData->DSsbuffer, &IID_IDirectSoundNotify, (LPVOID *)&pData->DSnotify);

   481         if(SUCCEEDED(hr))

   482         {

   483             DSBPOSITIONNOTIFY notifies[MAX_UPDATES];

   484             ALuint i;

   485 

   486             for(i = 0;i < device->NumUpdates;++i)

   487             {

   488                 notifies[i].dwOffset = i * device->UpdateSize *

   489                                        OutputType.Format.nBlockAlign;

   490                 notifies[i].hEventNotify = pData->hNotifyEvent;

   491             }

   492             if(IDirectSoundNotify_SetNotificationPositions(pData->DSnotify, device->NumUpdates, notifies) != DS_OK)

   493                 hr = E_FAIL;

   494         }

   495     }

   496 

   497     if(SUCCEEDED(hr))

   498     {

   499         ResetEvent(pData->hNotifyEvent);

   500         SetDefaultWFXChannelOrder(device);

   501         pData->thread = StartThread(DSoundProc, device);

   502         if(pData->thread == NULL)

   503             hr = E_FAIL;

   504     }

   505 

   506     if(FAILED(hr))

   507     {

   508         if(pData->DSnotify != NULL)

   509             IDirectSoundNotify_Release(pData->DSnotify);

   510         pData->DSnotify = NULL;

   511         if(pData->DSsbuffer != NULL)

   512             IDirectSoundBuffer_Release(pData->DSsbuffer);

   513         pData->DSsbuffer = NULL;

   514         if(pData->DSpbuffer != NULL)

   515             IDirectSoundBuffer_Release(pData->DSpbuffer);

   516         pData->DSpbuffer = NULL;

   517         return ALC_FALSE;

   518     }

   519 

   520     return ALC_TRUE;

   521 }

   522 

   523 static void DSoundStopPlayback(ALCdevice *device)

   524 {

   525     DSoundData *pData = device->ExtraData;

   526 

   527     if(!pData->thread)

   528         return;

   529 

   530     pData->killNow = 1;

   531     StopThread(pData->thread);

   532     pData->thread = NULL;

   533 

   534     pData->killNow = 0;

   535 

   536     IDirectSoundNotify_Release(pData->DSnotify);

   537     pData->DSnotify = NULL;

   538     IDirectSoundBuffer_Release(pData->DSsbuffer);

   539     pData->DSsbuffer = NULL;

   540     if(pData->DSpbuffer != NULL)

   541         IDirectSoundBuffer_Release(pData->DSpbuffer);

   542     pData->DSpbuffer = NULL;

   543 }

   544 

   545 

   546 static const BackendFuncs DSoundFuncs = {

   547     DSoundOpenPlayback,

   548     DSoundClosePlayback,

   549     DSoundResetPlayback,

   550     DSoundStopPlayback,

   551     NULL,

   552     NULL,

   553     NULL,

   554     NULL,

   555     NULL,

   556     NULL

   557 };

   558 

   559 

   560 ALCboolean alcDSoundInit(BackendFuncs *FuncList)

   561 {

   562     if(!DSoundLoad())

   563         return ALC_FALSE;

   564     *FuncList = DSoundFuncs;

   565     return ALC_TRUE;

   566 }

   567 

   568 void alcDSoundDeinit(void)

   569 {

   570     ALuint i;

   571 

   572     for(i = 0;i < NumDevices;++i)

   573         free(DeviceList[i].name);

   574     free(DeviceList);

   575     DeviceList = NULL;

   576     NumDevices = 0;

   577 

   578     if(ds_handle)

   579         FreeLibrary(ds_handle);

   580     ds_handle = NULL;

   581 }

   582 

   583 void alcDSoundProbe(enum DevProbe type)

   584 {

   585     HRESULT hr;

   586     ALuint i;

   587 

   588     switch(type)

   589     {

   590         case DEVICE_PROBE:

   591             AppendDeviceList(dsDevice);

   592             break;

   593 

   594         case ALL_DEVICE_PROBE:

   595             for(i = 0;i < NumDevices;++i)

   596                 free(DeviceList[i].name);

   597             free(DeviceList);

   598             DeviceList = NULL;

   599             NumDevices = 0;

   600 

   601             hr = DirectSoundEnumerateA(DSoundEnumDevices, NULL);

   602             if(FAILED(hr))

   603                 ERR("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);

   604             else

   605             {

   606                 for(i = 0;i < NumDevices;i++)

   607                     AppendAllDeviceList(DeviceList[i].name);

   608             }

   609             break;

   610 

   611         case CAPTURE_DEVICE_PROBE:

   612             break;

   613     }

   614 }
author	Robert McIntyre <rlm@mit.edu>
date	Tue, 25 Oct 2011 13:03:35 -0700
parents	f9476ff7637e
children