AuroraMiddleware/AuroraOpenALSoft
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Pack two arrays into one

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This commit is contained in:
Chris Robinson 2018-08-26 19:08:50 -07:00
parent 4be6584850
commit a3010f50be
1 changed files with 10 additions and 6 deletions
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16
Alc/effects/autowah.c
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@ -46,8 +46,10 @@ typedef struct ALautowahState {
ALfloat env_delay;
/* Filter components derived from the envelope. */
ALfloat Alpha[BUFFERSIZE];
ALfloat CosW0[BUFFERSIZE];
struct {
ALfloat cos_w0;
ALfloat alpha;
} Env[BUFFERSIZE];
struct {
/* Effect filters' history. */
@ -96,6 +98,8 @@ static ALboolean ALautowahState_deviceUpdate(ALautowahState *state, ALCdevice *U
state->BandwidthNorm = 0.05f;
state->env_delay = 0.0f;
memset(state->Env, 0, sizeof(state->Env));
for(i = 0;i < MAX_EFFECT_CHANNELS;i++)
{
for(j = 0;j < MAX_OUTPUT_CHANNELS;j++)
@ -154,8 +158,8 @@ static ALvoid ALautowahState_process(ALautowahState *state, ALsizei SamplesToDo,
/* Calculate the cos and alpha components for this sample's filter. */
w0 = minf((bandwidth*env_delay + freq_min), 0.46f) * F_TAU;
state->CosW0[i] = cosf(w0);
state->Alpha[i] = sinf(w0)/(2.0f * Q_FACTOR);
state->Env[i].cos_w0 = cosf(w0);
state->Env[i].alpha = sinf(w0)/(2.0f * Q_FACTOR);
}
state->env_delay = env_delay;
@ -173,8 +177,8 @@ static ALvoid ALautowahState_process(ALautowahState *state, ALsizei SamplesToDo,
for(i = 0;i < SamplesToDo;i++)
{
const ALfloat alpha = state->Alpha[i];
const ALfloat cos_w0 = state->CosW0[i];
const ALfloat alpha = state->Env[i].alpha;
const ALfloat cos_w0 = state->Env[i].cos_w0;
ALfloat input, output;
ALfloat a[3], b[3];