diff options
Diffstat (limited to 'OpenAL32/alSource.cpp')
| -rw-r--r-- | OpenAL32/alSource.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/OpenAL32/alSource.cpp b/OpenAL32/alSource.cpp index cf466c32..fbf6bfe6 100644 --- a/OpenAL32/alSource.cpp +++ b/OpenAL32/alSource.cpp @@ -41,6 +41,7 @@ #include "alFilter.h" #include "alAuxEffectSlot.h" #include "ringbuffer.h" +#include "bformatdec.h" #include "backends/base.h" @@ -2828,6 +2829,19 @@ AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources) voice->Flags = start_fading ? VOICE_IS_FADING : 0; if(source->SourceType == AL_STATIC) voice->Flags |= VOICE_IS_STATIC; + /* Don't need to set the VOICE_IS_AMBISONIC flag if the device is + * mixing in first order. No HF scaling is necessary to mix it. + */ + if(((*buffer)->mFmtChannels == FmtBFormat2D || (*buffer)->mFmtChannels == FmtBFormat3D) && + device->mAmbiOrder > 1) + { + voice->AmbiScales = AmbiUpsampler::GetHFOrderScales(1, device->mAmbiOrder); + voice->AmbiSplitter[0].init(400.0f / static_cast<ALfloat>(device->Frequency)); + for(ALsizei i{1};i < voice->NumChannels;++i) + voice->AmbiSplitter[i] = voice->AmbiSplitter[0]; + voice->Flags |= VOICE_IS_AMBISONIC; + } + std::fill_n(std::begin(voice->Direct.Params), voice->NumChannels, DirectParams{}); std::for_each(voice->Send.begin(), voice->Send.end(), [voice](ALvoice::SendData &send) -> void |