static ALCenum WinMMOpenPlayback(ALCdevice *Device, const ALCchar *deviceName)
{
WinMMData *data = NULL;
const al_string *iter, *end;
UINT DeviceID;
MMRESULT res;
if(VECTOR_SIZE(PlaybackDevices) == 0)
ProbePlaybackDevices();
// Find the Device ID matching the deviceName if valid
iter = VECTOR_ITER_BEGIN(PlaybackDevices);
end = VECTOR_ITER_END(PlaybackDevices);
for(; iter != end; iter++)
{
if(!al_string_empty(*iter) &&
(!deviceName || al_string_cmp_cstr(*iter, deviceName) == 0))
{
DeviceID = (UINT)(iter - VECTOR_ITER_BEGIN(PlaybackDevices));
break;
}
}
if(iter == end)
return ALC_INVALID_VALUE;
data = calloc(1, sizeof(*data));
if(!data)
return ALC_OUT_OF_MEMORY;
Device->ExtraData = data;
retry_open:
memset(&data->Format, 0, sizeof(WAVEFORMATEX));
if(Device->FmtType == DevFmtFloat)
{
data->Format.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
data->Format.wBitsPerSample = 32;
}
else
{
data->Format.wFormatTag = WAVE_FORMAT_PCM;
if(Device->FmtType == DevFmtUByte || Device->FmtType == DevFmtByte)
data->Format.wBitsPerSample = 8;
else
data->Format.wBitsPerSample = 16;
}
data->Format.nChannels = ((Device->FmtChans == DevFmtMono) ? 1 : 2);
data->Format.nBlockAlign = data->Format.wBitsPerSample *
data->Format.nChannels / 8;
data->Format.nSamplesPerSec = Device->Frequency;
data->Format.nAvgBytesPerSec = data->Format.nSamplesPerSec *
data->Format.nBlockAlign;
data->Format.cbSize = 0;
if((res=waveOutOpen(&data->WaveHandle.Out, DeviceID, &data->Format, (DWORD_PTR)&WaveOutProc, (DWORD_PTR)Device, CALLBACK_FUNCTION)) != MMSYSERR_NOERROR)
{
if(Device->FmtType == DevFmtFloat)
{
Device->FmtType = DevFmtShort;
goto retry_open;
}
ERR("waveOutOpen failed: %u\n", res);
goto failure;
}
al_string_copy(&Device->DeviceName, VECTOR_ELEM(PlaybackDevices, DeviceID));
return ALC_NO_ERROR;
failure:
if(data->WaveHandle.Out)
waveOutClose(data->WaveHandle.Out);
free(data);
Device->ExtraData = NULL;
return ALC_INVALID_VALUE;
}
static ALCenum WinMMOpenCapture(ALCdevice *Device, const ALCchar *deviceName)
{
const al_string *iter, *end;
ALbyte *BufferData = NULL;
DWORD CapturedDataSize;
WinMMData *data = NULL;
ALint BufferSize;
UINT DeviceID;
MMRESULT res;
ALuint i;
if(VECTOR_SIZE(CaptureDevices) == 0)
ProbeCaptureDevices();
// Find the Device ID matching the deviceName if valid
iter = VECTOR_ITER_BEGIN(CaptureDevices);
end = VECTOR_ITER_END(CaptureDevices);
for(; iter != end; iter++)
{
if(!al_string_empty(*iter) &&
(!deviceName || al_string_cmp_cstr(*iter, deviceName) == 0))
{
DeviceID = (UINT)(iter - VECTOR_ITER_BEGIN(CaptureDevices));
break;
}
}
if(iter == end)
return ALC_INVALID_VALUE;
switch(Device->FmtChans)
{
case DevFmtMono:
case DevFmtStereo:
break;
case DevFmtQuad:
case DevFmtX51:
case DevFmtX51Side:
case DevFmtX61:
case DevFmtX71:
return ALC_INVALID_ENUM;
}
switch(Device->FmtType)
{
case DevFmtUByte:
case DevFmtShort:
case DevFmtInt:
case DevFmtFloat:
break;
case DevFmtByte:
case DevFmtUShort:
case DevFmtUInt:
return ALC_INVALID_ENUM;
}
data = calloc(1, sizeof(*data));
if(!data)
return ALC_OUT_OF_MEMORY;
Device->ExtraData = data;
memset(&data->Format, 0, sizeof(WAVEFORMATEX));
data->Format.wFormatTag = ((Device->FmtType == DevFmtFloat) ?
WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM);
data->Format.nChannels = ChannelsFromDevFmt(Device->FmtChans);
data->Format.wBitsPerSample = BytesFromDevFmt(Device->FmtType) * 8;
data->Format.nBlockAlign = data->Format.wBitsPerSample *
data->Format.nChannels / 8;
data->Format.nSamplesPerSec = Device->Frequency;
data->Format.nAvgBytesPerSec = data->Format.nSamplesPerSec *
data->Format.nBlockAlign;
data->Format.cbSize = 0;
if((res=waveInOpen(&data->WaveHandle.In, DeviceID, &data->Format, (DWORD_PTR)&WaveInProc, (DWORD_PTR)Device, CALLBACK_FUNCTION)) != MMSYSERR_NOERROR)
{
ERR("waveInOpen failed: %u\n", res);
goto failure;
}
// Allocate circular memory buffer for the captured audio
CapturedDataSize = Device->UpdateSize*Device->NumUpdates;
// Make sure circular buffer is at least 100ms in size
if(CapturedDataSize < (data->Format.nSamplesPerSec / 10))
CapturedDataSize = data->Format.nSamplesPerSec / 10;
data->Ring = CreateRingBuffer(data->Format.nBlockAlign, CapturedDataSize);
if(!data->Ring)
goto failure;
InitRef(&data->WaveBuffersCommitted, 0);
// Create 4 Buffers of 50ms each
BufferSize = data->Format.nAvgBytesPerSec / 20;
BufferSize -= (BufferSize % data->Format.nBlockAlign);
BufferData = calloc(4, BufferSize);
if(!BufferData)
goto failure;
for(i = 0; i < 4; i++)
{
memset(&data->WaveBuffer[i], 0, sizeof(WAVEHDR));
data->WaveBuffer[i].dwBufferLength = BufferSize;
data->WaveBuffer[i].lpData = ((i==0) ? (CHAR*)BufferData :
(data->WaveBuffer[i-1].lpData +
data->WaveBuffer[i-1].dwBufferLength));
data->WaveBuffer[i].dwFlags = 0;
data->WaveBuffer[i].dwLoops = 0;
waveInPrepareHeader(data->WaveHandle.In, &data->WaveBuffer[i], sizeof(WAVEHDR));
waveInAddBuffer(data->WaveHandle.In, &data->WaveBuffer[i], sizeof(WAVEHDR));
IncrementRef(&data->WaveBuffersCommitted);
}
if(althrd_create(&data->thread, CaptureThreadProc, Device) != althrd_success)
goto failure;
al_string_copy(&Device->DeviceName, VECTOR_ELEM(CaptureDevices, DeviceID));
return ALC_NO_ERROR;
failure:
if(BufferData)
{
for(i = 0; i < 4; i++)
waveInUnprepareHeader(data->WaveHandle.In, &data->WaveBuffer[i], sizeof(WAVEHDR));
free(BufferData);
}
if(data->Ring)
DestroyRingBuffer(data->Ring);
if(data->WaveHandle.In)
waveInClose(data->WaveHandle.In);
free(data);
Device->ExtraData = NULL;
return ALC_INVALID_VALUE;
}
void aluInitRenderer(ALCdevice *device, ALint hrtf_id, enum HrtfRequestMode hrtf_appreq, enum HrtfRequestMode hrtf_userreq)
{
const char *mode;
bool headphones;
int bs2blevel;
size_t i;
device->Hrtf = NULL;
al_string_clear(&device->Hrtf_Name);
device->Render_Mode = NormalRender;
memset(&device->Dry.Ambi, 0, sizeof(device->Dry.Ambi));
device->Dry.CoeffCount = 0;
device->Dry.NumChannels = 0;
if(device->FmtChans != DevFmtStereo)
{
ALuint speakermap[MAX_OUTPUT_CHANNELS];
const char *devname, *layout = NULL;
AmbDecConf conf, *pconf = NULL;
if(hrtf_appreq == Hrtf_Enable)
device->Hrtf_Status = ALC_HRTF_UNSUPPORTED_FORMAT_SOFT;
ambdec_init(&conf);
devname = al_string_get_cstr(device->DeviceName);
switch(device->FmtChans)
{
case DevFmtQuad: layout = "quad"; break;
case DevFmtX51: layout = "surround51"; break;
case DevFmtX51Rear: layout = "surround51rear"; break;
case DevFmtX61: layout = "surround61"; break;
case DevFmtX71: layout = "surround71"; break;
/* Mono, Stereo, and B-Fornat output don't use custom decoders. */
case DevFmtMono:
case DevFmtStereo:
case DevFmtBFormat3D:
break;
}
if(layout)
{
const char *fname;
if(ConfigValueStr(devname, "decoder", layout, &fname))
{
if(!ambdec_load(&conf, fname))
ERR("Failed to load layout file %s\n", fname);
else
{
if(conf.ChanMask > 0xffff)
ERR("Unsupported channel mask 0x%04x (max 0xffff)\n", conf.ChanMask);
else
{
if(MakeSpeakerMap(device, &conf, speakermap))
pconf = &conf;
}
}
}
}
if(pconf && GetConfigValueBool(devname, "decoder", "hq-mode", 0))
{
if(!device->AmbiDecoder)
device->AmbiDecoder = bformatdec_alloc();
}
else
{
bformatdec_free(device->AmbiDecoder);
device->AmbiDecoder = NULL;
}
if(!pconf)
InitPanning(device);
else if(device->AmbiDecoder)
InitHQPanning(device, pconf, speakermap);
else
InitCustomPanning(device, pconf, speakermap);
ambdec_deinit(&conf);
return;
}
bformatdec_free(device->AmbiDecoder);
device->AmbiDecoder = NULL;
headphones = device->IsHeadphones;
if(device->Type != Loopback)
{
const char *mode;
if(ConfigValueStr(al_string_get_cstr(device->DeviceName), NULL, "stereo-mode", &mode))
{
if(strcasecmp(mode, "headphones") == 0)
headphones = true;
else if(strcasecmp(mode, "speakers") == 0)
headphones = false;
else if(strcasecmp(mode, "auto") != 0)
ERR("Unexpected stereo-mode: %s\n", mode);
}
}
if(hrtf_userreq == Hrtf_Default)
{
bool usehrtf = (headphones && hrtf_appreq != Hrtf_Disable) ||
(hrtf_appreq == Hrtf_Enable);
if(!usehrtf) goto no_hrtf;
device->Hrtf_Status = ALC_HRTF_ENABLED_SOFT;
if(headphones && hrtf_appreq != Hrtf_Disable)
device->Hrtf_Status = ALC_HRTF_HEADPHONES_DETECTED_SOFT;
}
else
{
if(hrtf_userreq != Hrtf_Enable)
{
if(hrtf_appreq == Hrtf_Enable)
device->Hrtf_Status = ALC_HRTF_DENIED_SOFT;
goto no_hrtf;
}
device->Hrtf_Status = ALC_HRTF_REQUIRED_SOFT;
}
if(VECTOR_SIZE(device->Hrtf_List) == 0)
{
VECTOR_DEINIT(device->Hrtf_List);
device->Hrtf_List = EnumerateHrtf(device->DeviceName);
}
if(hrtf_id >= 0 && (size_t)hrtf_id < VECTOR_SIZE(device->Hrtf_List))
{
const HrtfEntry *entry = &VECTOR_ELEM(device->Hrtf_List, hrtf_id);
if(GetHrtfSampleRate(entry->hrtf) == device->Frequency)
{
device->Hrtf = entry->hrtf;
al_string_copy(&device->Hrtf_Name, entry->name);
}
}
for(i = 0;!device->Hrtf && i < VECTOR_SIZE(device->Hrtf_List);i++)
{
const HrtfEntry *entry = &VECTOR_ELEM(device->Hrtf_List, i);
if(GetHrtfSampleRate(entry->hrtf) == device->Frequency)
{
device->Hrtf = entry->hrtf;
al_string_copy(&device->Hrtf_Name, entry->name);
}
}
if(device->Hrtf)
{
device->Render_Mode = HrtfRender;
if(ConfigValueStr(al_string_get_cstr(device->DeviceName), NULL, "hrtf-mode", &mode))
{
if(strcasecmp(mode, "full") == 0)
device->Render_Mode = HrtfRender;
else if(strcasecmp(mode, "basic") == 0)
device->Render_Mode = NormalRender;
else
ERR("Unexpected hrtf-mode: %s\n", mode);
}
TRACE("HRTF enabled, \"%s\"\n", al_string_get_cstr(device->Hrtf_Name));
InitHrtfPanning(device);
return;
}
device->Hrtf_Status = ALC_HRTF_UNSUPPORTED_FORMAT_SOFT;
no_hrtf:
TRACE("HRTF disabled\n");
bs2blevel = ((headphones && hrtf_appreq != Hrtf_Disable) ||
(hrtf_appreq == Hrtf_Enable)) ? 5 : 0;
if(device->Type != Loopback)
ConfigValueInt(al_string_get_cstr(device->DeviceName), NULL, "cf_level", &bs2blevel);
if(bs2blevel > 0 && bs2blevel <= 6)
{
device->Bs2b = al_calloc(16, sizeof(*device->Bs2b));
bs2b_set_params(device->Bs2b, bs2blevel, device->Frequency);
device->Render_Mode = StereoPair;
TRACE("BS2B enabled\n");
InitPanning(device);
return;
}
TRACE("BS2B disabled\n");
device->Render_Mode = NormalRender;
if(ConfigValueStr(al_string_get_cstr(device->DeviceName), NULL, "stereo-panning", &mode))
{
if(strcasecmp(mode, "paired") == 0)
device->Render_Mode = StereoPair;
else if(strcasecmp(mode, "uhj") != 0)
ERR("Unexpected stereo-panning: %s\n", mode);
}
if(device->Render_Mode == NormalRender)
{
device->Uhj_Encoder = al_calloc(16, sizeof(Uhj2Encoder));
TRACE("UHJ enabled\n");
InitUhjPanning(device);
return;
}
TRACE("UHJ disabled\n");
InitPanning(device);
}