Store the ambisonic order for the voice

Currently only first-order B-Format is possible for a buffer/source, but this
will begin to allow for higher orders with an appropriate extension.

2 files changed, 3 insertions, 0 deletions

diff --git a/al/source.cpp b/al/source.cpp
index 8b8e6382..04fd3b66 100644
--- a/al/source.cpp
+++ b/al/source.cpp
@@ -2788,6 +2788,7 @@ START_API_FUNC
         ALbuffer *buffer{BufferList->mBuffer};
         voice->mFrequency = buffer->Frequency;
         voice->mFmtChannels = buffer->mFmtChannels;
+        voice->mAmbiOrder = 1;
         voice->mNumChannels = ChannelsFromFmt(buffer->mFmtChannels);
         voice->mSampleSize  = BytesFromFmt(buffer->mFmtType);
 
diff --git a/alc/voice.h b/alc/voice.h
index e15c5ec1..af2b5dba 100644
--- a/alc/voice.h
+++ b/alc/voice.h
@@ -211,6 +211,7 @@ struct ALvoice {
 
     /* Properties for the attached buffer(s). */
     FmtChannels mFmtChannels;
+    ALuint mAmbiOrder;
     ALuint mFrequency;
     ALuint mNumChannels;
     ALuint mSampleSize;
@@ -269,6 +270,7 @@ struct ALvoice {
             std::memory_order_relaxed);
 
         mFmtChannels = rhs.mFmtChannels;
+        mAmbiOrder = rhs.mAmbiOrder;
         mFrequency = rhs.mFrequency;
         mNumChannels = rhs.mNumChannels;
         mSampleSize = rhs.mSampleSize;