diff options
Diffstat (limited to 'Alc/ALu.c')
| -rw-r--r-- | Alc/ALu.c | 33 |
1 files changed, 32 insertions, 1 deletions
@@ -291,6 +291,7 @@ ALvoid CalcNonAttnSourceParams(ALvoice *voice, const ALsource *ALSource, const A const struct ChanMap *chans = NULL; ALuint num_channels = 0; ALboolean DirectChannels; + ALboolean isbformat = AL_FALSE; ALfloat Pitch; ALuint i, j, c; @@ -399,9 +400,39 @@ ALvoid CalcNonAttnSourceParams(ALvoice *voice, const ALsource *ALSource, const A chans = X71Map; num_channels = 8; break; + + case FmtBFormat2D: + num_channels = 3; + isbformat = AL_TRUE; + DirectChannels = AL_FALSE; + + case FmtBFormat3D: + num_channels = 4; + isbformat = AL_TRUE; + DirectChannels = AL_FALSE; } - if(DirectChannels != AL_FALSE) + if(isbformat) + { + for(c = 0;c < num_channels;c++) + { + MixGains *gains = voice->Direct.Mix.Gains[c]; + ALfloat Target[MaxChannels]; + + ComputeBFormatGains(Device, c, DryGain, Target); + for(i = 0;i < MaxChannels;i++) + gains[i].Target = Target[i]; + } + /* B-Format cannot handle logarithmic gain stepping, since the gain can + * switch between positive and negative values. */ + voice->Direct.Moving = AL_FALSE; + UpdateDryStepping(&voice->Direct, num_channels); + + voice->IsHrtf = AL_FALSE; + for(i = 0;i < NumSends;i++) + WetGain[i] *= 1.4142f; + } + else if(DirectChannels != AL_FALSE) { for(c = 0;c < num_channels;c++) { |