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Avoid more uses of ALfilterState_processSingle

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It's a horriobly inefficient way to process multiple samples through the
filter.
This commit is contained in:
Chris Robinson
2016-07-25 23:51:37 -07:00
parent 8fcc4afd2d
commit 0a693d039a
1 changed files with 9 additions and 9 deletions
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Alc/effects/reverb.c
+9 -9
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@@ -1253,15 +1253,14 @@ static inline ALvoid EAXEcho(ALreverbState *State, ALuint todo, ALfloat (*restri
// Perform the non-EAX reverb pass on a given input sample, resulting in
// four-channel output.
static inline ALvoid VerbPass(ALreverbState *State, ALuint todo, const ALfloat *in, ALfloat (*restrict early)[4], ALfloat (*restrict late)[4])
static inline ALvoid VerbPass(ALreverbState *State, ALuint todo, const ALfloat *input, ALfloat (*restrict early)[4], ALfloat (*restrict late)[4])
{
ALuint i;
// Low-pass filter the incoming samples.
// Low-pass filter the incoming samples (use the early buffer as temp storage).
ALfilterState_process(&State->LpFilter, &early[0][0], input, todo);
for(i = 0;i < todo;i++)
DelayLineIn(&State->Delay, State->Offset+i,
ALfilterState_processSingle(&State->LpFilter, in[i])
);
DelayLineIn(&State->Delay, State->Offset+i, early[i>>2][i&3]);
// Calculate the early reflection from the first delay tap.
EarlyReflection(State, todo, early);
@@ -1279,12 +1278,13 @@ static inline ALvoid EAXVerbPass(ALreverbState *State, ALuint todo, const ALfloa
{
ALuint i;
// Band-pass and modulate the incoming samples.
// Band-pass and modulate the incoming samples (use the early buffer as temp storage).
ALfilterState_process(&State->LpFilter, &early[0][0], input, todo);
ALfilterState_process(&State->HpFilter, &early[MAX_UPDATE_SAMPLES/4][0], &early[0][0], todo);
for(i = 0;i < todo;i++)
{
ALfloat sample = input[i];
sample = ALfilterState_processSingle(&State->LpFilter, sample);
sample = ALfilterState_processSingle(&State->HpFilter, sample);
ALfloat sample = early[(MAX_UPDATE_SAMPLES/4)+(i>>2)][i&3];
// Perform any modulation on the input.
sample = EAXModulation(State, State->Offset+i, sample);