diff options
Diffstat (limited to 'Alc/alcEcho.c')
| -rw-r--r-- | Alc/alcEcho.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/Alc/alcEcho.c b/Alc/alcEcho.c index e518fb21..feede2ba 100644 --- a/Alc/alcEcho.c +++ b/Alc/alcEcho.c @@ -144,8 +144,6 @@ ALvoid EchoUpdate(ALCcontext *Context, struct ALeffectslot *Slot, ALeffect *Effe ALvoid EchoProcess(ALechoState *state, ALuint SamplesToDo, const ALfloat *SamplesIn, ALfloat (*SamplesOut)[OUTPUTCHANNELS]) { - ALfloat *history = state->iirFilter.history; - const ALfloat a = state->iirFilter.coeff; const ALuint delay = state->BufferLength-1; ALuint tap1off = state->Tap[0].offset; ALuint tap2off = state->Tap[1].offset; @@ -156,12 +154,7 @@ ALvoid EchoProcess(ALechoState *state, ALuint SamplesToDo, const ALfloat *Sample for(i = 0;i < SamplesToDo;i++) { // Apply damping - samp[0] = state->SampleBuffer[tap2off] + SamplesIn[i]; - - samp[0] += (history[0]-samp[0]) * a; - history[0] = samp[0]; - samp[0] += (history[1]-samp[0]) * a; - history[1] = samp[0]; + samp[0] = lpFilter2P(&state->iirFilter, 0, state->SampleBuffer[tap2off]+SamplesIn[i]); // Apply feedback gain and mix in the new sample state->SampleBuffer[fboff] = samp[0] * state->FeedGain; |