ALsoundfont *ALsoundfont_getDefSoundfont(ALCcontext *context)
{
ALCdevice *device = context->Device;
al_string fname = AL_STRING_INIT_STATIC();
const char *namelist;
if(device->DefaultSfont)
return device->DefaultSfont;
device->DefaultSfont = calloc(1, sizeof(device->DefaultSfont[0]));
ALsoundfont_Construct(device->DefaultSfont);
namelist = getenv("ALSOFT_SOUNDFONT");
if(!namelist || !namelist[0])
ConfigValueStr("midi", "soundfont", &namelist);
while(namelist && namelist[0])
{
const char *next, *end;
FILE *f;
while(*namelist && (isspace(*namelist) || *namelist == ','))
namelist++;
if(!*namelist)
break;
next = strchr(namelist, ',');
end = next ? next++ : (namelist+strlen(namelist));
while(--end != namelist && isspace(*end)) {
}
if(end == namelist)
continue;
al_string_append_range(&fname, namelist, end+1);
namelist = next;
f = OpenDataFile(al_string_get_cstr(fname), "openal/soundfonts");
if(f == NULL)
ERR("Failed to open %s\n", al_string_get_cstr(fname));
else
{
Reader reader;
reader.cb = ALsoundfont_read;
reader.ptr = f;
reader.error = 0;
TRACE("Loading %s\n", al_string_get_cstr(fname));
loadSf2(&reader, device->DefaultSfont, context);
fclose(f);
}
al_string_clear(&fname);
}
AL_STRING_DEINIT(fname);
return device->DefaultSfont;
}
static void InitHQPanning(ALCdevice *device, const AmbDecConf *conf, const ALuint speakermap[MAX_OUTPUT_CHANNELS])
{
const char *devname;
int decflags = 0;
size_t count;
ALuint i;
devname = al_string_get_cstr(device->DeviceName);
if(GetConfigValueBool(devname, "decoder", "distance-comp", 1))
decflags |= BFDF_DistanceComp;
if((conf->ChanMask&AMBI_PERIPHONIC_MASK))
{
count = (conf->ChanMask > 0x1ff) ? 16 :
(conf->ChanMask > 0xf) ? 9 : 4;
for(i = 0;i < count;i++)
{
device->Dry.Ambi.Map[i].Scale = 1.0f;
device->Dry.Ambi.Map[i].Index = i;
}
}
else
{
static int map[MAX_AMBI_COEFFS] = { 0, 1, 3, 4, 8, 9, 15 };
count = (conf->ChanMask > 0x1ff) ? 7 :
(conf->ChanMask > 0xf) ? 5 : 3;
for(i = 0;i < count;i++)
{
device->Dry.Ambi.Map[i].Scale = 1.0f;
device->Dry.Ambi.Map[i].Index = map[i];
}
}
device->Dry.CoeffCount = 0;
device->Dry.NumChannels = count;
TRACE("Enabling %s-band %s-order%s ambisonic decoder\n",
(conf->FreqBands == 1) ? "single" : "dual",
(conf->ChanMask > 0xf) ? (conf->ChanMask > 0x1ff) ? "third" : "second" : "first",
(conf->ChanMask&AMBI_PERIPHONIC_MASK) ? " periphonic" : ""
);
bformatdec_reset(device->AmbiDecoder, conf, count, device->Frequency,
speakermap, decflags);
if(bformatdec_getOrder(device->AmbiDecoder) < 2)
{
memcpy(&device->FOAOut.Ambi, &device->Dry.Ambi, sizeof(device->FOAOut.Ambi));
device->FOAOut.CoeffCount = device->Dry.CoeffCount;
}
else
{
memset(&device->FOAOut.Ambi, 0, sizeof(device->FOAOut.Ambi));
for(i = 0;i < 4;i++)
{
device->FOAOut.Ambi.Map[i].Scale = 1.0f;
device->FOAOut.Ambi.Map[i].Index = i;
}
device->FOAOut.CoeffCount = 0;
}
}
static void add_device(IMMDevice *device, LPCWSTR devid, vector_DevMap *list)
{
DevMap entry;
AL_STRING_INIT(entry.name);
entry.devid = strdupW(devid);
get_device_name(device, &entry.name);
TRACE("Got device \"%s\", \"%ls\"\n", al_string_get_cstr(entry.name), entry.devid);
VECTOR_PUSH_BACK(*list, entry);
}
static BOOL CALLBACK DSoundEnumDevices(GUID *guid, const WCHAR *desc, const WCHAR* UNUSED(drvname), void *data)
{
vector_DevMap *devices = data;
OLECHAR *guidstr = NULL;
DevMap *iter, *end;
DevMap entry;
HRESULT hr;
int count;
if(!guid)
return TRUE;
AL_STRING_INIT(entry.name);
count = 0;
do {
al_string_copy_wcstr(&entry.name, desc);
if(count != 0)
{
char str[64];
snprintf(str, sizeof(str), " #%d", count+1);
al_string_append_cstr(&entry.name, str);
}
count++;
iter = VECTOR_ITER_BEGIN(*devices);
end = VECTOR_ITER_END(*devices);
for(;iter != end;++iter)
{
if(al_string_cmp(entry.name, iter->name) == 0)
break;
}
} while(iter != end);
entry.guid = *guid;
hr = StringFromCLSID(guid, &guidstr);
if(SUCCEEDED(hr))
{
TRACE("Got device \"%s\", GUID \"%ls\"\n", al_string_get_cstr(entry.name), guidstr);
CoTaskMemFree(guidstr);
}
VECTOR_PUSH_BACK(*devices, entry);
return TRUE;
}
static BOOL CALLBACK DSoundEnumDevices(GUID *guid, const WCHAR *desc, const WCHAR* UNUSED(drvname), void *data)
{
vector_DevMap *devices = data;
OLECHAR *guidstr = NULL;
DevMap entry;
HRESULT hr;
int count;
if(!guid)
return TRUE;
AL_STRING_INIT(entry.name);
count = 0;
while(1)
{
const DevMap *iter;
al_string_copy_cstr(&entry.name, DEVNAME_HEAD);
al_string_append_wcstr(&entry.name, desc);
if(count != 0)
{
char str[64];
snprintf(str, sizeof(str), " #%d", count+1);
al_string_append_cstr(&entry.name, str);
}
#define MATCH_ENTRY(i) (al_string_cmp(entry.name, (i)->name) == 0)
VECTOR_FIND_IF(iter, const DevMap, *devices, MATCH_ENTRY);
if(iter == VECTOR_END(*devices)) break;
#undef MATCH_ENTRY
count++;
}
entry.guid = *guid;
hr = StringFromCLSID(guid, &guidstr);
if(SUCCEEDED(hr))
{
TRACE("Got device \"%s\", GUID \"%ls\"\n", al_string_get_cstr(entry.name), guidstr);
CoTaskMemFree(guidstr);
}
VECTOR_PUSH_BACK(*devices, entry);
return TRUE;
}
static void ProbePlaybackDevices(void)
{
al_string *iter, *end;
ALuint numdevs;
ALuint i;
clear_devlist(&PlaybackDevices);
numdevs = waveOutGetNumDevs();
VECTOR_RESERVE(PlaybackDevices, numdevs);
for(i = 0; i < numdevs; i++)
{
WAVEOUTCAPSW WaveCaps;
al_string dname;
AL_STRING_INIT(dname);
if(waveOutGetDevCapsW(i, &WaveCaps, sizeof(WaveCaps)) == MMSYSERR_NOERROR)
{
ALuint count = 0;
do {
al_string_copy_wcstr(&dname, WaveCaps.szPname);
if(count != 0)
{
char str[64];
snprintf(str, sizeof(str), " #%d", count+1);
al_string_append_cstr(&dname, str);
}
count++;
iter = VECTOR_ITER_BEGIN(PlaybackDevices);
end = VECTOR_ITER_END(PlaybackDevices);
for(; iter != end; iter++)
{
if(al_string_cmp(*iter, dname) == 0)
break;
}
} while(iter != end);
TRACE("Got device \"%s\", ID %u\n", al_string_get_cstr(dname), i);
}
VECTOR_PUSH_BACK(PlaybackDevices, dname);
}
}
static void ProbeCaptureDevices(void)
{
ALuint numdevs;
ALuint i;
clear_devlist(&CaptureDevices);
numdevs = waveInGetNumDevs();
VECTOR_RESERVE(CaptureDevices, numdevs);
for(i = 0;i < numdevs;i++)
{
WAVEINCAPSW WaveCaps;
const al_string *iter;
al_string dname;
AL_STRING_INIT(dname);
if(waveInGetDevCapsW(i, &WaveCaps, sizeof(WaveCaps)) == MMSYSERR_NOERROR)
{
ALuint count = 0;
while(1)
{
al_string_copy_cstr(&dname, DEVNAME_HEAD);
al_string_append_wcstr(&dname, WaveCaps.szPname);
if(count != 0)
{
char str[64];
snprintf(str, sizeof(str), " #%d", count+1);
al_string_append_cstr(&dname, str);
}
count++;
#define MATCH_ENTRY(i) (al_string_cmp(dname, *(i)) == 0)
VECTOR_FIND_IF(iter, const al_string, CaptureDevices, MATCH_ENTRY);
if(iter == VECTOR_END(CaptureDevices)) break;
#undef MATCH_ENTRY
}
TRACE("Got device \"%s\", ID %u\n", al_string_get_cstr(dname), i);
}
VECTOR_PUSH_BACK(CaptureDevices, dname);
}
}
static void add_device(IMMDevice *device, vector_DevMap *list)
{
LPWSTR devid;
HRESULT hr;
hr = IMMDevice_GetId(device, &devid);
if(SUCCEEDED(hr))
{
DevMap entry;
AL_STRING_INIT(entry.name);
entry.devid = strdupW(devid);
get_device_name(device, &entry.name);
CoTaskMemFree(devid);
TRACE("Got device \"%s\", \"%ls\"\n", al_string_get_cstr(entry.name), entry.devid);
VECTOR_PUSH_BACK(*list, entry);
}
}
static inline void AppendCaptureDeviceList2(const al_string *name)
{
if(!al_string_empty(*name))
AppendCaptureDeviceList(al_string_get_cstr(*name));
}
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 bool MakeSpeakerMap(ALCdevice *device, const AmbDecConf *conf, ALuint speakermap[MAX_OUTPUT_CHANNELS])
{
ALuint i;
for(i = 0;i < conf->NumSpeakers;i++)
{
int c = -1;
/* NOTE: AmbDec does not define any standard speaker names, however
* for this to work we have to by able to find the output channel
* the speaker definition corresponds to. Therefore, OpenAL Soft
* requires these channel labels to be recognized:
*
* LF = Front left
* RF = Front right
* LS = Side left
* RS = Side right
* LB = Back left
* RB = Back right
* CE = Front center
* CB = Back center
*
* Additionally, surround51 will acknowledge back speakers for side
* channels, and surround51rear will acknowledge side speakers for
* back channels, to avoid issues with an ambdec expecting 5.1 to
* use the side channels when the device is configured for back,
* and vice-versa.
*/
if(al_string_cmp_cstr(conf->Speakers[i].Name, "LF") == 0)
c = GetChannelIdxByName(device->RealOut, FrontLeft);
else if(al_string_cmp_cstr(conf->Speakers[i].Name, "RF") == 0)
c = GetChannelIdxByName(device->RealOut, FrontRight);
else if(al_string_cmp_cstr(conf->Speakers[i].Name, "CE") == 0)
c = GetChannelIdxByName(device->RealOut, FrontCenter);
else if(al_string_cmp_cstr(conf->Speakers[i].Name, "LS") == 0)
{
if(device->FmtChans == DevFmtX51Rear)
c = GetChannelIdxByName(device->RealOut, BackLeft);
else
c = GetChannelIdxByName(device->RealOut, SideLeft);
}
else if(al_string_cmp_cstr(conf->Speakers[i].Name, "RS") == 0)
{
if(device->FmtChans == DevFmtX51Rear)
c = GetChannelIdxByName(device->RealOut, BackRight);
else
c = GetChannelIdxByName(device->RealOut, SideRight);
}
else if(al_string_cmp_cstr(conf->Speakers[i].Name, "LB") == 0)
{
if(device->FmtChans == DevFmtX51)
c = GetChannelIdxByName(device->RealOut, SideLeft);
else
c = GetChannelIdxByName(device->RealOut, BackLeft);
}
else if(al_string_cmp_cstr(conf->Speakers[i].Name, "RB") == 0)
{
if(device->FmtChans == DevFmtX51)
c = GetChannelIdxByName(device->RealOut, SideRight);
else
c = GetChannelIdxByName(device->RealOut, BackRight);
}
else if(al_string_cmp_cstr(conf->Speakers[i].Name, "CB") == 0)
c = GetChannelIdxByName(device->RealOut, BackCenter);
else
{
const char *name = al_string_get_cstr(conf->Speakers[i].Name);
unsigned int n;
char ch;
if(sscanf(name, "AUX%u%c", &n, &ch) == 1 && n < 16)
c = GetChannelIdxByName(device->RealOut, Aux0+n);
else
{
ERR("AmbDec speaker label \"%s\" not recognized\n", name);
return false;
}
}
if(c == -1)
{
ERR("Failed to lookup AmbDec speaker label %s\n",
al_string_get_cstr(conf->Speakers[i].Name));
return false;
}
speakermap[i] = c;
}
return true;
}
static bool LoadChannelSetup(ALCdevice *device)
{
static const enum Channel mono_chans[1] = {
FrontCenter
}, stereo_chans[2] = {
FrontLeft, FrontRight
}, quad_chans[4] = {
FrontLeft, FrontRight,
BackLeft, BackRight
}, surround51_chans[5] = {
FrontLeft, FrontRight, FrontCenter,
SideLeft, SideRight
}, surround51rear_chans[5] = {
FrontLeft, FrontRight, FrontCenter,
BackLeft, BackRight
}, surround61_chans[6] = {
FrontLeft, FrontRight,
FrontCenter, BackCenter,
SideLeft, SideRight
}, surround71_chans[7] = {
FrontLeft, FrontRight, FrontCenter,
BackLeft, BackRight,
SideLeft, SideRight
};
ChannelMap chanmap[MAX_OUTPUT_CHANNELS];
const enum Channel *channels = NULL;
const char *layout = NULL;
ALfloat ambiscale = 1.0f;
size_t count = 0;
int isfuma;
int order;
size_t i;
switch(device->FmtChans)
{
case DevFmtMono:
layout = "mono";
channels = mono_chans;
count = COUNTOF(mono_chans);
break;
case DevFmtStereo:
layout = "stereo";
channels = stereo_chans;
count = COUNTOF(stereo_chans);
break;
case DevFmtQuad:
layout = "quad";
channels = quad_chans;
count = COUNTOF(quad_chans);
break;
case DevFmtX51:
layout = "surround51";
channels = surround51_chans;
count = COUNTOF(surround51_chans);
break;
case DevFmtX51Rear:
layout = "surround51rear";
channels = surround51rear_chans;
count = COUNTOF(surround51rear_chans);
break;
case DevFmtX61:
layout = "surround61";
channels = surround61_chans;
count = COUNTOF(surround61_chans);
break;
case DevFmtX71:
layout = "surround71";
channels = surround71_chans;
count = COUNTOF(surround71_chans);
break;
case DevFmtBFormat3D:
break;
}
if(!layout)
return false;
else
{
char name[32] = {0};
const char *type;
char eol;
snprintf(name, sizeof(name), "%s/type", layout);
if(!ConfigValueStr(al_string_get_cstr(device->DeviceName), "layouts", name, &type))
return false;
if(sscanf(type, " %31[^: ] : %d%c", name, &order, &eol) != 2)
{
ERR("Invalid type value '%s' (expected name:order) for layout %s\n", type, layout);
return false;
}
if(strcasecmp(name, "fuma") == 0)
isfuma = 1;
else if(strcasecmp(name, "n3d") == 0)
isfuma = 0;
else
{
ERR("Unhandled type name '%s' (expected FuMa or N3D) for layout %s\n", name, layout);
return false;
}
if(order == 3)
ambiscale = THIRD_ORDER_SCALE;
else if(order == 2)
ambiscale = SECOND_ORDER_SCALE;
else if(order == 1)
ambiscale = FIRST_ORDER_SCALE;
else if(order == 0)
ambiscale = ZERO_ORDER_SCALE;
else
{
ERR("Unhandled type order %d (expected 0, 1, 2, or 3) for layout %s\n", order, layout);
return false;
}
}
for(i = 0;i < count;i++)
{
float coeffs[MAX_AMBI_COEFFS] = {0.0f};
const char *channame;
char chanlayout[32];
const char *value;
int props = 0;
char eol = 0;
int j;
chanmap[i].ChanName = channels[i];
channame = GetLabelFromChannel(channels[i]);
snprintf(chanlayout, sizeof(chanlayout), "%s/%s", layout, channame);
if(!ConfigValueStr(al_string_get_cstr(device->DeviceName), "layouts", chanlayout, &value))
{
ERR("Missing channel %s\n", channame);
return false;
}
if(order == 3)
props = sscanf(value, " %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %c",
&coeffs[0], &coeffs[1], &coeffs[2], &coeffs[3],
&coeffs[4], &coeffs[5], &coeffs[6], &coeffs[7],
&coeffs[8], &coeffs[9], &coeffs[10], &coeffs[11],
&coeffs[12], &coeffs[13], &coeffs[14], &coeffs[15],
&eol
);
else if(order == 2)
props = sscanf(value, " %f %f %f %f %f %f %f %f %f %c",
&coeffs[0], &coeffs[1], &coeffs[2],
&coeffs[3], &coeffs[4], &coeffs[5],
&coeffs[6], &coeffs[7], &coeffs[8],
&eol
);
else if(order == 1)
props = sscanf(value, " %f %f %f %f %c",
&coeffs[0], &coeffs[1],
&coeffs[2], &coeffs[3],
&eol
);
else if(order == 0)
props = sscanf(value, " %f %c", &coeffs[0], &eol);
if(props == 0)
{
ERR("Failed to parse option %s properties\n", chanlayout);
return false;
}
if(props > (order+1)*(order+1))
{
ERR("Excess elements in option %s (expected %d)\n", chanlayout, (order+1)*(order+1));
return false;
}
if(isfuma)
{
/* Reorder FuMa -> ACN */
for(j = 0;j < MAX_AMBI_COEFFS;++j)
chanmap[i].Config[FuMa2ACN[j]] = coeffs[j];
}
else
{
/* Rescale N3D -> FuMa */
for(j = 0;j < MAX_AMBI_COEFFS;++j)
chanmap[i].Config[j] = coeffs[j] * N3D2FuMaScale[j];
}
}
SetChannelMap(device, chanmap, count, ambiscale);
return true;
}
