Add an option to specify the ambisonic output configuration

1 files changed, 15 insertions, 0 deletions

diff --git a/Alc/ALc.c b/Alc/ALc.c
index c8ed3dd9..1119a270 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -3427,6 +3427,7 @@ ALC_API ALCdevice* ALC_APIENTRY alcOpenDevice(const ALCchar *deviceName)
     device->FmtType = DevFmtTypeDefault;
     device->Frequency = DEFAULT_OUTPUT_RATE;
     device->IsHeadphones = AL_FALSE;
+    device->AmbiFmt = AmbiFormat_Default;
     device->NumUpdates = 4;
     device->UpdateSize = 1024;
 
@@ -3544,6 +3545,18 @@ ALC_API ALCdevice* ALC_APIENTRY alcOpenDevice(const ALCchar *deviceName)
     }
     almtx_init(&device->BackendLock, almtx_plain);
 
+    if(ConfigValueStr(al_string_get_cstr(device->DeviceName), NULL, "ambi-format", &fmt))
+    {
+        if(strcasecmp(fmt, "fuma") == 0)
+            device->AmbiFmt = AmbiFormat_FuMa;
+        else if(strcasecmp(fmt, "acn+sn3d") == 0)
+            device->AmbiFmt = AmbiFormat_ACN_SN3D;
+        else if(strcasecmp(fmt, "acn+n3d") == 0)
+            device->AmbiFmt = AmbiFormat_ACN_N3D;
+        else
+            ERR("Unsupported ambi-format: %s\n", fmt);
+    }
+
     if(DefaultEffect.type != AL_EFFECT_NULL)
     {
         device->DefaultSlot = (ALeffectslot*)device->_slot_mem;
@@ -3706,6 +3719,7 @@ ALC_API ALCdevice* ALC_APIENTRY alcCaptureOpenDevice(const ALCchar *deviceName,
         return NULL;
     }
     device->IsHeadphones = AL_FALSE;
+    device->AmbiFmt = AmbiFormat_Default;
 
     device->UpdateSize = samples;
     device->NumUpdates = 1;
@@ -3903,6 +3917,7 @@ ALC_API ALCdevice* ALC_APIENTRY alcLoopbackOpenDeviceSOFT(const ALCchar *deviceN
     device->FmtChans = DevFmtChannelsDefault;
     device->FmtType = DevFmtTypeDefault;
     device->IsHeadphones = AL_FALSE;
+    device->AmbiFmt = AmbiFormat_Default;
 
     ConfigValueUInt(NULL, NULL, "sources", &device->SourcesMax);
     if(device->SourcesMax == 0) device->SourcesMax = 256;