static ALCenum pa_open_capture(ALCdevice *device, const ALCchar *deviceName)
{
ALuint frame_size;
pa_data *data;
PaError err;
if(!deviceName)
deviceName = pa_device;
else if(strcmp(deviceName, pa_device) != 0)
return ALC_INVALID_VALUE;
data = (pa_data*)calloc(1, sizeof(pa_data));
if(data == NULL)
return ALC_OUT_OF_MEMORY;
frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
data->ring = CreateRingBuffer(frame_size, device->UpdateSize*device->NumUpdates);
if(data->ring == NULL)
goto error;
data->params.device = -1;
if(!ConfigValueInt("port", "capture", &data->params.device) ||
data->params.device < 0)
data->params.device = Pa_GetDefaultOutputDevice();
data->params.suggestedLatency = 0.0f;
data->params.hostApiSpecificStreamInfo = NULL;
switch(device->FmtType)
{
case DevFmtByte:
data->params.sampleFormat = paInt8;
break;
case DevFmtUByte:
data->params.sampleFormat = paUInt8;
break;
case DevFmtShort:
data->params.sampleFormat = paInt16;
break;
case DevFmtInt:
data->params.sampleFormat = paInt32;
break;
case DevFmtFloat:
data->params.sampleFormat = paFloat32;
break;
case DevFmtUInt:
case DevFmtUShort:
ERR("%s samples not supported\n", DevFmtTypeString(device->FmtType));
goto error;
}
data->params.channelCount = ChannelsFromDevFmt(device->FmtChans);
err = Pa_OpenStream(&data->stream, &data->params, NULL, device->Frequency,
paFramesPerBufferUnspecified, paNoFlag, pa_capture_cb, device);
if(err != paNoError)
{
ERR("Pa_OpenStream() returned an error: %s\n", Pa_GetErrorText(err));
goto error;
}
device->DeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_NO_ERROR;
error:
DestroyRingBuffer(data->ring);
free(data);
return ALC_INVALID_VALUE;
}
static ALCenum pa_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
pa_data *data;
PaError err;
if(!deviceName)
deviceName = pa_device;
else if(strcmp(deviceName, pa_device) != 0)
return ALC_INVALID_VALUE;
data = (pa_data*)calloc(1, sizeof(pa_data));
data->update_size = device->UpdateSize;
data->params.device = -1;
if(!ConfigValueInt("port", "device", &data->params.device) ||
data->params.device < 0)
data->params.device = Pa_GetDefaultOutputDevice();
data->params.suggestedLatency = (device->UpdateSize*device->NumUpdates) /
(float)device->Frequency;
data->params.hostApiSpecificStreamInfo = NULL;
data->params.channelCount = ((device->FmtChans == DevFmtMono) ? 1 : 2);
switch(device->FmtType)
{
case DevFmtByte:
data->params.sampleFormat = paInt8;
break;
case DevFmtUByte:
data->params.sampleFormat = paUInt8;
break;
case DevFmtUShort:
/* fall-through */
case DevFmtShort:
data->params.sampleFormat = paInt16;
break;
case DevFmtUInt:
/* fall-through */
case DevFmtInt:
data->params.sampleFormat = paInt32;
break;
case DevFmtFloat:
data->params.sampleFormat = paFloat32;
break;
}
retry_open:
err = Pa_OpenStream(&data->stream, NULL, &data->params, device->Frequency,
device->UpdateSize, paNoFlag, pa_callback, device);
if(err != paNoError)
{
if(data->params.sampleFormat == paFloat32)
{
data->params.sampleFormat = paInt16;
goto retry_open;
}
ERR("Pa_OpenStream() returned an error: %s\n", Pa_GetErrorText(err));
free(data);
return ALC_INVALID_VALUE;
}
device->ExtraData = data;
device->DeviceName = strdup(deviceName);
return ALC_NO_ERROR;
}
int MOB_File_ConfigValueInt(const char *blockName, const char *keyName, int *ret)
{
char buffer[ 64 ];
return ConfigValueInt( ConvertBlockName( blockName ), ConvertKeyName( buffer, keyName ), ret );
}
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);
}
static ALCenum pa_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
PaStreamParameters outParams;
pa_data *data;
PaError err;
if(!deviceName)
deviceName = pa_device;
else if(strcmp(deviceName, pa_device) != 0)
return ALC_INVALID_VALUE;
data = (pa_data*)calloc(1, sizeof(pa_data));
data->update_size = device->UpdateSize;
device->ExtraData = data;
outParams.device = -1;
if(!ConfigValueInt("port", "device", &outParams.device) || outParams.device < 0)
outParams.device = Pa_GetDefaultOutputDevice();
outParams.suggestedLatency = (device->UpdateSize*device->NumUpdates) /
(float)device->Frequency;
outParams.hostApiSpecificStreamInfo = NULL;
switch(device->FmtType)
{
case DevFmtByte:
outParams.sampleFormat = paInt8;
break;
case DevFmtUByte:
outParams.sampleFormat = paUInt8;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
outParams.sampleFormat = paInt16;
break;
case DevFmtFloat:
outParams.sampleFormat = paFloat32;
break;
}
outParams.channelCount = ((device->FmtChans == DevFmtMono) ? 1 : 2);
SetDefaultChannelOrder(device);
err = Pa_OpenStream(&data->stream, NULL, &outParams, device->Frequency,
device->UpdateSize, paNoFlag, pa_callback, device);
if(err != paNoError)
{
ERR("Pa_OpenStream() returned an error: %s\n", Pa_GetErrorText(err));
device->ExtraData = NULL;
free(data);
return ALC_INVALID_VALUE;
}
device->szDeviceName = strdup(deviceName);
if((ALuint)outParams.channelCount != ChannelsFromDevFmt(device->FmtChans))
{
if(outParams.channelCount != 1 && outParams.channelCount != 2)
{
ERR("Unhandled channel count: %u\n", outParams.channelCount);
Pa_CloseStream(data->stream);
device->ExtraData = NULL;
free(data);
return ALC_INVALID_VALUE;
}
if((device->Flags&DEVICE_CHANNELS_REQUEST))
ERR("Failed to set %s, got %u channels instead\n", DevFmtChannelsString(device->FmtChans), outParams.channelCount);
device->Flags &= ~DEVICE_CHANNELS_REQUEST;
device->FmtChans = ((outParams.channelCount==1) ? DevFmtMono : DevFmtStereo);
}
return ALC_NO_ERROR;
}
