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Use separate arrays for the T60 filter states

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This commit is contained in:
Chris Robinson
2018-01-14 07:29:18 -08:00
parent 7a77a20a67
commit 25b3ed3532
1 changed files with 10 additions and 9 deletions
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Alc/effects/reverb.c
+10 -9
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@@ -318,7 +318,8 @@ typedef struct ALreverbState {
/* The HF and LF filters each keep a state of the last input and
* last output sample.
*/
ALfloat States[2][2];
ALfloat HFState[2];
ALfloat LFState[2];
} Filters[NUM_LINES];
/* A Gerzon vector all-pass filter is used to simulate diffusion. */
@@ -426,10 +427,10 @@ static void ALreverbState_Construct(ALreverbState *state)
state->Late.Filters[i].HFCoeffs[j] = 0.0f;
state->Late.Filters[i].LFCoeffs[j] = 0.0f;
}
state->Late.Filters[i].States[0][0] = 0.0f;
state->Late.Filters[i].States[0][1] = 0.0f;
state->Late.Filters[i].States[1][0] = 0.0f;
state->Late.Filters[i].States[1][1] = 0.0f;
state->Late.Filters[i].HFState[0] = 0.0f;
state->Late.Filters[i].HFState[1] = 0.0f;
state->Late.Filters[i].LFState[0] = 0.0f;
state->Late.Filters[i].LFState[1] = 0.0f;
}
for(i = 0;i < NUM_LINES;i++)
@@ -1652,8 +1653,8 @@ static ALvoid LateReverb_Faded(ALreverbState *State, const ALsizei todo, ALfloat
for(j = 0;j < NUM_LINES;j++)
f[j] = LateT60Filter(
State->Late.Filters[j].HFCoeffs, State->Late.Filters[j].States[0],
State->Late.Filters[j].LFCoeffs, State->Late.Filters[j].States[1],
State->Late.Filters[j].HFCoeffs, State->Late.Filters[j].HFState,
State->Late.Filters[j].LFCoeffs, State->Late.Filters[j].LFState,
f[j]
);
VectorAllpass_Faded(f, offset, apFeedCoeff, mixX, mixY, fade,
@@ -1697,8 +1698,8 @@ static ALvoid LateReverb_Unfaded(ALreverbState *State, const ALsizei todo, ALflo
for(j = 0;j < NUM_LINES;j++)
f[j] = LateT60Filter(
State->Late.Filters[j].HFCoeffs, State->Late.Filters[j].States[0],
State->Late.Filters[j].LFCoeffs, State->Late.Filters[j].States[1],
State->Late.Filters[j].HFCoeffs, State->Late.Filters[j].HFState,
State->Late.Filters[j].LFCoeffs, State->Late.Filters[j].LFState,
f[j]
);
VectorAllpass_Unfaded(f, offset, apFeedCoeff, mixX, mixY, fade,