diff options
Diffstat (limited to 'alc/panning.cpp')
| -rw-r--r-- | alc/panning.cpp | 61 |
1 files changed, 59 insertions, 2 deletions
diff --git a/alc/panning.cpp b/alc/panning.cpp index 17475160..90fbc9d4 100644 --- a/alc/panning.cpp +++ b/alc/panning.cpp @@ -663,6 +663,9 @@ void InitHrtfPanning(ALCdevice *device) constexpr float Deg_45{Deg_90 / 2.0f /* 45 degrees*/}; constexpr float Deg135{Deg_45 * 3.0f /*135 degrees*/}; constexpr float Deg_35{6.154797087e-01f /* 35~ 36 degrees*/}; + constexpr float Deg_69{1.205932499e+00f /* 69~ 70 degrees*/}; + constexpr float Deg111{1.935660155e+00f /*110~111 degrees*/}; + constexpr float Deg_21{3.648638281e-01f /* 20~ 21 degrees*/}; static const AngularPoint AmbiPoints1O[]{ { EvRadians{ Deg_35}, AzRadians{-Deg_45} }, { EvRadians{ Deg_35}, AzRadians{-Deg135} }, @@ -687,6 +690,27 @@ void InitHrtfPanning(ALCdevice *device) { EvRadians{-Deg_35}, AzRadians{-Deg135} }, { EvRadians{-Deg_35}, AzRadians{ Deg_45} }, { EvRadians{-Deg_35}, AzRadians{ Deg135} }, + }, AmbiPoints3O[]{ + { EvRadians{ Deg_69}, AzRadians{-Deg_90} }, + { EvRadians{ Deg_69}, AzRadians{ Deg_90} }, + { EvRadians{-Deg_69}, AzRadians{-Deg_90} }, + { EvRadians{-Deg_69}, AzRadians{ Deg_90} }, + { EvRadians{ 0.0f}, AzRadians{-Deg_69} }, + { EvRadians{ 0.0f}, AzRadians{-Deg111} }, + { EvRadians{ 0.0f}, AzRadians{ Deg_69} }, + { EvRadians{ 0.0f}, AzRadians{ Deg111} }, + { EvRadians{ Deg_21}, AzRadians{ 0.0f} }, + { EvRadians{ Deg_21}, AzRadians{ Deg180} }, + { EvRadians{-Deg_21}, AzRadians{ 0.0f} }, + { EvRadians{-Deg_21}, AzRadians{ Deg180} }, + { EvRadians{ Deg_35}, AzRadians{-Deg_45} }, + { EvRadians{ Deg_35}, AzRadians{-Deg135} }, + { EvRadians{ Deg_35}, AzRadians{ Deg_45} }, + { EvRadians{ Deg_35}, AzRadians{ Deg135} }, + { EvRadians{-Deg_35}, AzRadians{-Deg_45} }, + { EvRadians{-Deg_35}, AzRadians{-Deg135} }, + { EvRadians{-Deg_35}, AzRadians{ Deg_45} }, + { EvRadians{-Deg_35}, AzRadians{ Deg135} }, }; static const float AmbiMatrix1O[][MaxAmbiChannels]{ { 1.250000000e-01f, 1.250000000e-01f, 1.250000000e-01f, 1.250000000e-01f }, @@ -712,6 +736,27 @@ void InitHrtfPanning(ALCdevice *device) { 7.142857143e-02f, 7.142857143e-02f, -7.142857143e-02f, -7.142857143e-02f, -9.682458366e-02f, -9.682458366e-02f, 0.000000000e+00f, 9.682458366e-02f, 0.000000000e+00f, }, { 7.142857143e-02f, -7.142857143e-02f, -7.142857143e-02f, 7.142857143e-02f, -9.682458366e-02f, 9.682458366e-02f, 0.000000000e+00f, -9.682458366e-02f, 0.000000000e+00f, }, { 7.142857143e-02f, -7.142857143e-02f, -7.142857143e-02f, -7.142857143e-02f, 9.682458366e-02f, 9.682458366e-02f, 0.000000000e+00f, 9.682458366e-02f, 0.000000000e+00f, }, + }, AmbiMatrix3O[][MaxAmbiChannels]{ + { 5.000000000e-02f, 3.090169944e-02f, 8.090169944e-02f, 0.000000000e+00f, 0.000000000e+00f, 6.454972244e-02f, 9.045084972e-02f, 0.000000000e+00f, -1.232790000e-02f, -1.256118221e-01f, 0.000000000e+00f, 1.126112056e-01f, 7.944389175e-02f, 0.000000000e+00f, 2.421151497e-02f, 0.000000000e+00f, }, + { 5.000000000e-02f, -3.090169944e-02f, 8.090169944e-02f, 0.000000000e+00f, 0.000000000e+00f, -6.454972244e-02f, 9.045084972e-02f, 0.000000000e+00f, -1.232790000e-02f, 1.256118221e-01f, 0.000000000e+00f, -1.126112056e-01f, 7.944389175e-02f, 0.000000000e+00f, 2.421151497e-02f, 0.000000000e+00f, }, + { 5.000000000e-02f, 3.090169944e-02f, -8.090169944e-02f, 0.000000000e+00f, 0.000000000e+00f, -6.454972244e-02f, 9.045084972e-02f, 0.000000000e+00f, -1.232790000e-02f, -1.256118221e-01f, 0.000000000e+00f, 1.126112056e-01f, -7.944389175e-02f, 0.000000000e+00f, -2.421151497e-02f, 0.000000000e+00f, }, + { 5.000000000e-02f, -3.090169944e-02f, -8.090169944e-02f, 0.000000000e+00f, 0.000000000e+00f, 6.454972244e-02f, 9.045084972e-02f, 0.000000000e+00f, -1.232790000e-02f, 1.256118221e-01f, 0.000000000e+00f, -1.126112056e-01f, -7.944389175e-02f, 0.000000000e+00f, -2.421151497e-02f, 0.000000000e+00f, }, + { 5.000000000e-02f, 8.090169944e-02f, 0.000000000e+00f, 3.090169944e-02f, 6.454972244e-02f, 0.000000000e+00f, -5.590169944e-02f, 0.000000000e+00f, -7.216878365e-02f, -7.763237543e-02f, 0.000000000e+00f, -2.950836627e-02f, 0.000000000e+00f, -1.497759251e-01f, 0.000000000e+00f, -7.763237543e-02f, }, + { 5.000000000e-02f, 8.090169944e-02f, 0.000000000e+00f, -3.090169944e-02f, -6.454972244e-02f, 0.000000000e+00f, -5.590169944e-02f, 0.000000000e+00f, -7.216878365e-02f, -7.763237543e-02f, 0.000000000e+00f, -2.950836627e-02f, 0.000000000e+00f, 1.497759251e-01f, 0.000000000e+00f, 7.763237543e-02f, }, + { 5.000000000e-02f, -8.090169944e-02f, 0.000000000e+00f, 3.090169944e-02f, -6.454972244e-02f, 0.000000000e+00f, -5.590169944e-02f, 0.000000000e+00f, -7.216878365e-02f, 7.763237543e-02f, 0.000000000e+00f, 2.950836627e-02f, 0.000000000e+00f, -1.497759251e-01f, 0.000000000e+00f, -7.763237543e-02f, }, + { 5.000000000e-02f, -8.090169944e-02f, 0.000000000e+00f, -3.090169944e-02f, 6.454972244e-02f, 0.000000000e+00f, -5.590169944e-02f, 0.000000000e+00f, -7.216878365e-02f, 7.763237543e-02f, 0.000000000e+00f, 2.950836627e-02f, 0.000000000e+00f, 1.497759251e-01f, 0.000000000e+00f, 7.763237543e-02f, }, + { 5.000000000e-02f, 0.000000000e+00f, 3.090169944e-02f, 8.090169944e-02f, 0.000000000e+00f, 0.000000000e+00f, -3.454915028e-02f, 6.454972244e-02f, 8.449668365e-02f, 0.000000000e+00f, 0.000000000e+00f, 0.000000000e+00f, 3.034486645e-02f, -6.779013272e-02f, 1.659481923e-01f, 4.797944664e-02f, }, + { 5.000000000e-02f, 0.000000000e+00f, 3.090169944e-02f, -8.090169944e-02f, 0.000000000e+00f, 0.000000000e+00f, -3.454915028e-02f, -6.454972244e-02f, 8.449668365e-02f, 0.000000000e+00f, 0.000000000e+00f, 0.000000000e+00f, 3.034486645e-02f, 6.779013272e-02f, 1.659481923e-01f, -4.797944664e-02f, }, + { 5.000000000e-02f, 0.000000000e+00f, -3.090169944e-02f, 8.090169944e-02f, 0.000000000e+00f, 0.000000000e+00f, -3.454915028e-02f, -6.454972244e-02f, 8.449668365e-02f, 0.000000000e+00f, 0.000000000e+00f, 0.000000000e+00f, -3.034486645e-02f, -6.779013272e-02f, -1.659481923e-01f, 4.797944664e-02f, }, + { 5.000000000e-02f, 0.000000000e+00f, -3.090169944e-02f, -8.090169944e-02f, 0.000000000e+00f, 0.000000000e+00f, -3.454915028e-02f, 6.454972244e-02f, 8.449668365e-02f, 0.000000000e+00f, 0.000000000e+00f, 0.000000000e+00f, -3.034486645e-02f, 6.779013272e-02f, -1.659481923e-01f, -4.797944664e-02f, }, + { 5.000000000e-02f, 5.000000000e-02f, 5.000000000e-02f, 5.000000000e-02f, 6.454972244e-02f, 6.454972244e-02f, 0.000000000e+00f, 6.454972244e-02f, 0.000000000e+00f, 1.016220987e-01f, 6.338656910e-02f, -1.092600649e-02f, -7.364853795e-02f, 1.011266756e-01f, -7.086833869e-02f, -1.482646439e-02f, }, + { 5.000000000e-02f, 5.000000000e-02f, 5.000000000e-02f, -5.000000000e-02f, -6.454972244e-02f, 6.454972244e-02f, 0.000000000e+00f, -6.454972244e-02f, 0.000000000e+00f, 1.016220987e-01f, -6.338656910e-02f, -1.092600649e-02f, -7.364853795e-02f, -1.011266756e-01f, -7.086833869e-02f, 1.482646439e-02f, }, + { 5.000000000e-02f, -5.000000000e-02f, 5.000000000e-02f, 5.000000000e-02f, -6.454972244e-02f, -6.454972244e-02f, 0.000000000e+00f, 6.454972244e-02f, 0.000000000e+00f, -1.016220987e-01f, -6.338656910e-02f, 1.092600649e-02f, -7.364853795e-02f, 1.011266756e-01f, -7.086833869e-02f, -1.482646439e-02f, }, + { 5.000000000e-02f, -5.000000000e-02f, 5.000000000e-02f, -5.000000000e-02f, 6.454972244e-02f, -6.454972244e-02f, 0.000000000e+00f, -6.454972244e-02f, 0.000000000e+00f, -1.016220987e-01f, 6.338656910e-02f, 1.092600649e-02f, -7.364853795e-02f, -1.011266756e-01f, -7.086833869e-02f, 1.482646439e-02f, }, + { 5.000000000e-02f, 5.000000000e-02f, -5.000000000e-02f, 5.000000000e-02f, 6.454972244e-02f, -6.454972244e-02f, 0.000000000e+00f, -6.454972244e-02f, 0.000000000e+00f, 1.016220987e-01f, -6.338656910e-02f, -1.092600649e-02f, 7.364853795e-02f, 1.011266756e-01f, 7.086833869e-02f, -1.482646439e-02f, }, + { 5.000000000e-02f, 5.000000000e-02f, -5.000000000e-02f, -5.000000000e-02f, -6.454972244e-02f, -6.454972244e-02f, 0.000000000e+00f, 6.454972244e-02f, 0.000000000e+00f, 1.016220987e-01f, 6.338656910e-02f, -1.092600649e-02f, 7.364853795e-02f, -1.011266756e-01f, 7.086833869e-02f, 1.482646439e-02f, }, + { 5.000000000e-02f, -5.000000000e-02f, -5.000000000e-02f, 5.000000000e-02f, -6.454972244e-02f, 6.454972244e-02f, 0.000000000e+00f, -6.454972244e-02f, 0.000000000e+00f, -1.016220987e-01f, 6.338656910e-02f, 1.092600649e-02f, 7.364853795e-02f, 1.011266756e-01f, 7.086833869e-02f, -1.482646439e-02f, }, + { 5.000000000e-02f, -5.000000000e-02f, -5.000000000e-02f, -5.000000000e-02f, 6.454972244e-02f, 6.454972244e-02f, 0.000000000e+00f, 6.454972244e-02f, 0.000000000e+00f, -1.016220987e-01f, -6.338656910e-02f, 1.092600649e-02f, 7.364853795e-02f, -1.011266756e-01f, 7.086833869e-02f, 1.482646439e-02f, }, }; static const float AmbiOrderHFGain1O[MaxAmbiOrder+1]{ /*ENRGY*/ 2.000000000e+00f, 1.154700538e+00f @@ -719,10 +764,15 @@ void InitHrtfPanning(ALCdevice *device) /*ENRGY 2.357022604e+00f, 1.825741858e+00f, 9.428090416e-01f*/ /*AMP 1.000000000e+00f, 7.745966692e-01f, 4.000000000e-01f*/ /*RMS*/ 9.128709292e-01f, 7.071067812e-01f, 3.651483717e-01f + }, AmbiOrderHFGain3O[MaxAmbiOrder+1]{ + /*ENRGY 1.865086714e+00f, 1.606093894e+00f, 1.142055301e+00f, 5.683795528e-01f*/ + /*AMP 1.000000000e+00f, 8.611363116e-01f, 6.123336207e-01f, 3.047469850e-01f*/ + /*RMS*/ 8.340921354e-01f, 7.182670250e-01f, 5.107426573e-01f, 2.541870634e-01f }; static_assert(al::size(AmbiPoints1O) == al::size(AmbiMatrix1O), "First-Order Ambisonic HRTF mismatch"); static_assert(al::size(AmbiPoints2O) == al::size(AmbiMatrix2O), "Second-Order Ambisonic HRTF mismatch"); + static_assert(al::size(AmbiPoints3O) == al::size(AmbiMatrix3O), "Third-Order Ambisonic HRTF mismatch"); /* A 700hz crossover frequency provides tighter sound imaging at the sweet * spot with ambisonic decoding, as the distance between the ears is closer @@ -753,10 +803,11 @@ void InitHrtfPanning(ALCdevice *device) { "full", RenderMode::Hrtf, 1 }, { "ambi1", RenderMode::Normal, 1 }, { "ambi2", RenderMode::Normal, 2 }, + { "ambi3", RenderMode::Normal, 3 }, }; const char *mode{modeopt->c_str()}; - if(al::strcasecmp(mode, "basic") == 0 || al::strcasecmp(mode, "ambi3") == 0) + if(al::strcasecmp(mode, "basic") == 0) { ERR("HRTF mode \"%s\" deprecated, substituting \"%s\"\n", mode, "ambi2"); mode = "ambi2"; @@ -784,7 +835,13 @@ void InitHrtfPanning(ALCdevice *device) al::span<const AngularPoint> AmbiPoints{AmbiPoints1O}; const float (*AmbiMatrix)[MaxAmbiChannels]{AmbiMatrix1O}; al::span<const float,MaxAmbiOrder+1> AmbiOrderHFGain{AmbiOrderHFGain1O}; - if(ambi_order >= 2) + if(ambi_order >= 3) + { + AmbiPoints = AmbiPoints3O; + AmbiMatrix = AmbiMatrix3O; + AmbiOrderHFGain = AmbiOrderHFGain3O; + } + else if(ambi_order == 2) { AmbiPoints = AmbiPoints2O; AmbiMatrix = AmbiMatrix2O; |