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Make sure there's at least a one-sample delay for the echo's first tap

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This commit is contained in:
Chris Robinson 2009-11-19 10:42:41 -08:00
parent 5f3c07ca3b
commit 4565bdd7ce
1 changed files with 4 additions and 4 deletions
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8
Alc/alcEcho.c
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@ -71,9 +71,9 @@ ALboolean EchoDeviceUpdate(ALeffectState *effect, ALCdevice *Device)
// Use the next power of 2 for the buffer length, so the tap offsets can be
// wrapped using a mask instead of a modulo
maxlen = (ALuint)(AL_ECHO_MAX_DELAY * Device->Frequency);
maxlen += (ALuint)(AL_ECHO_MAX_LRDELAY * Device->Frequency);
maxlen = NextPowerOf2(maxlen+1);
maxlen = (ALuint)(AL_ECHO_MAX_DELAY * Device->Frequency) + 1;
maxlen += (ALuint)(AL_ECHO_MAX_LRDELAY * Device->Frequency) + 1;
maxlen = NextPowerOf2(maxlen);
if(maxlen != state->BufferLength)
{
@ -100,7 +100,7 @@ ALvoid EchoUpdate(ALeffectState *effect, ALCcontext *Context, const ALeffect *Ef
ALuint frequency = Context->Device->Frequency;
ALfloat lrpan, cw, a, g;
state->Tap[0].delay = (ALuint)(Effect->Echo.Delay * frequency);
state->Tap[0].delay = (ALuint)(Effect->Echo.Delay * frequency) + 1;
state->Tap[1].delay = (ALuint)(Effect->Echo.LRDelay * frequency);
state->Tap[1].delay += state->Tap[0].delay;