void cTabwrite_onMessage(HvBase *_c, ControlTabwrite *o, int letIn, const HvMessage *const m,
void (*sendMessage)(HvBase *, int, const HvMessage *const)) {
switch (letIn) {
case 0: {
if (msg_isFloat(m,0) && o->table != NULL) {
hTable_getBuffer(o->table)[o->x] = msg_getFloat(m,0); // update Y value
}
break;
}
case 1: {
if (msg_isFloat(m,0) && o->table != NULL) {
const int x = (int) msg_getFloat(m,0);
if (x >= 0 && x < hTable_getSize(o->table)) {
o->x = x; // update X value
}
}
break;
}
case 2: {
if (msg_isHashLike(m,0)) {
o->table = ctx_getTableForHash(_c,msg_getHash(m,0)); // update table
}
break;
}
default: return;
}
}
void cDelay_onMessage(HvBase *_c, ControlDelay *o, int letIn, const HvMessage *const m,
void (*sendMessage)(HvBase *, int, const HvMessage *const)) {
switch (letIn) {
case 0: {
if (msg_compareSymbol(m, 0, "flush")) {
// send all messages immediately
for (int i = 0; i < __HV_DELAY_MAX_MESSAGES; i++) {
HvMessage *n = o->msgs[i];
if (n != NULL) {
msg_setTimestamp(n, msg_getTimestamp(m)); // update the timestamp to now
sendMessage(_c, 0, n); // send the message
ctx_cancelMessage(_c, n, sendMessage); // then clear it
// NOTE(mhroth): there may be a problem here if a flushed message causes a clear message to return
// to this object in the same step
}
}
hv_memset(o->msgs, __HV_DELAY_MAX_MESSAGES*sizeof(HvMessage *));
} else if (msg_compareSymbol(m, 0, "clear")) {
// cancel (clear) all (pending) messages
for (int i = 0; i < __HV_DELAY_MAX_MESSAGES; i++) {
HvMessage *n = o->msgs[i];
if (n != NULL) {
ctx_cancelMessage(_c, n, sendMessage);
}
}
hv_memset(o->msgs, __HV_DELAY_MAX_MESSAGES*sizeof(HvMessage *));
} else {
hv_uint32_t ts = msg_getTimestamp(m);
msg_setTimestamp((HvMessage *) m, ts+o->delay); // update the timestamp to set the delay
int i;
for (i = 0; i < __HV_DELAY_MAX_MESSAGES; i++) {
if (o->msgs[i] == NULL) {
o->msgs[i] = ctx_scheduleMessage(_c, m, sendMessage, 0);
break;
}
}
hv_assert(i < __HV_DELAY_MAX_MESSAGES); // scheduled message limit reached
msg_setTimestamp((HvMessage *) m, ts); // return to the original timestamp
}
break;
}
case 1: {
if (msg_isFloat(m,0)) {
// set delay in milliseconds
o->delay = ctx_millisecondsToSamples(_c,msg_getFloat(m,0));
}
break;
}
case 2: {
if (msg_isFloat(m,0)) {
// set delay in samples
o->delay = (hv_uint32_t) msg_getFloat(m,0);
}
break;
}
default: break;
}
}
void sBiquad_k_onMessage(SignalBiquad_k *o, int letIn, const HvMessage *const m) {
if (msg_isFloat(m,0)) {
switch (letIn) {
case 1: o->b0 = msg_getFloat(m,0); break;
case 2: o->b1 = msg_getFloat(m,0); break;
case 3: o->b2 = msg_getFloat(m,0); break;
case 4: o->a1 = msg_getFloat(m,0); break;
case 5: o->a2 = msg_getFloat(m,0); break;
default: return;
}
sBiquad_k_updateCoefficients(o);
}
}
void cSlice_onMessage(HvBase *_c, ControlSlice *o, int letIn, const HvMessage *const m,
void (*sendMessage)(HvBase *, int, const HvMessage *const)) {
switch (letIn) {
case 0: {
// if the start point is greater than the number of elements in the source message, do nothing
if (o->i < msg_getNumElements(m)) {
int x = msg_getNumElements(m) - o->i; // number of elements in the new message
if (o->n > 0) x = hv_min_i(x, o->n);
HvMessage *n = HV_MESSAGE_ON_STACK(x);
msg_init(n, x, msg_getTimestamp(m));
hv_memcpy(&n->elem, &m->elem+o->i, x*sizeof(Element));
sendMessage(_c, 0, n);
} else {
// if nothing can be sliced, send a bang out of the right outlet
HvMessage *n = HV_MESSAGE_ON_STACK(1);
msg_initWithBang(n, msg_getTimestamp(m));
sendMessage(_c, 1, n);
}
break;
}
case 1: {
if (msg_isFloat(m,0)) {
o->i = (int) msg_getFloat(m,0);
if (msg_isFloat(m,1)) {
o->n = (int) msg_getFloat(m,1);
}
}
break;
}
case 2: {
if (msg_isFloat(m,0)) {
o->n = (int) msg_getFloat(m,0);
}
break;
}
default: break;
}
}
void sSamphold_onMessage(HvBase *_c, SignalSamphold *o, int letIndex,
const HvMessage *const m, void *sendMessage) {
switch (letIndex) {
case 2: {
if (msg_isFloat(m,0)) {
#if HV_SIMD_AVX
o->s = _mm256_set1_ps(msg_getFloat(m,0));
#elif HV_SIMD_SSE
o->s = _mm_set1_ps(msg_getFloat(m,0));
#elif HV_SIMD_NEON
o->s = vdupq_n_f32(msg_getFloat(m,0));
#else
o->s = msg_getFloat(m,0);
#endif
}
break;
}
default:
break;
}
}
void cTabread_onMessage(HvBase *_c, ControlTabread *o, int letIn, const HvMessage *const m,
void (*sendMessage)(HvBase *, int, const HvMessage *const)) {
switch (letIn) {
case 0: {
if (msg_isFloat(m,0) && msg_getFloat(m,0) >= 0.0f && o->table != NULL) {
const hv_uint32_t x = (hv_uint32_t) msg_getFloat(m,0);
if (x < hTable_getSize(o->table)) {
HvMessage *n = HV_MESSAGE_ON_STACK(1);
msg_initWithFloat(n, msg_getTimestamp(m), hTable_getBuffer(o->table)[x]);
sendMessage(_c, 0, n);
}
}
break;
}
case 1: {
if (msg_isHashLike(m,0)) {
o->table = ctx_getTableForHash(_c, msg_getHash(m,0));
}
break;
}
default: return;
}
}
void sLine_onMessage(HvBase *_c, SignalLine *o, int letIn,
const HvMessage * const m, void *sendMessage) {
if (msg_isFloat(m,0)) {
if (msg_isFloat(m,1)) {
// new ramp
int n = ctx_millisecondsToSamples(_c, msg_getFloat(m,1));
#if HV_SIMD_AVX
float x = (o->n[1] > 0) ? (o->x[7] + (o->m[7]/8.0f)) : o->t[7]; // current output value
float s = (msg_getFloat(m,0) - x) / ((float) n); // slope per sample
o->n = _mm_set_epi32(n-3, n-2, n-1, n);
o->x = _mm256_set_ps(x+7.0f*s, x+6.0f*s, x+5.0f*s, x+4.0f*s, x+3.0f*s, x+2.0f*s, x+s, x);
o->m = _mm256_set1_ps(8.0f*s);
o->t = _mm256_set1_ps(msg_getFloat(m,0));
#elif HV_SIMD_SSE
float x = (o->n[1] > 0) ? (o->x[3] + (o->m[3]/4.0f)) : o->t[3];
float s = (msg_getFloat(m,0) - x) / ((float) n); // slope per sample
o->n = _mm_set_epi32(n-3, n-2, n-1, n);
o->x = _mm_set_ps(x+3.0f*s, x+2.0f*s, x+s, x);
o->m = _mm_set1_ps(4.0f*s);
o->t = _mm_set1_ps(msg_getFloat(m,0));
#elif HV_SIMD_NEON
float x = (o->n[3] > 0) ? (o->x[3] + (o->m[3]/4.0f)) : o->t[3];
float s = (msg_getFloat(m,0) - x) / ((float) n);
o->n = (int32x4_t) {n, n-1, n-2, n-3};
o->x = (float32x4_t) {x, x+s, x+2.0f*s, x+3.0f*s};
o->m = vdupq_n_f32(4.0f*s);
o->t = vdupq_n_f32(msg_getFloat(m,0));
#else // HV_SIMD_NONE
o->x = (o->n > 0) ? (o->x + o->m) : o->t; // new current value
o->n = n; // new distance to target
o->m = (msg_getFloat(m,0) - o->x) / ((float) n); // slope per sample
o->t = msg_getFloat(m,0);
#endif
} else {
// Jump to value
#if HV_SIMD_AVX
o->n = _mm_setzero_si128();
o->x = _mm256_set1_ps(msg_getFloat(m,0));
o->m = _mm256_setzero_ps();
o->t = _mm256_set1_ps(msg_getFloat(m,0));
#elif HV_SIMD_SSE
o->n = _mm_setzero_si128();
o->x = _mm_set1_ps(msg_getFloat(m,0));
o->m = _mm_setzero_ps();
o->t = _mm_set1_ps(msg_getFloat(m,0));
#elif HV_SIMD_NEON
o->n = vdupq_n_s32(0);
o->x = vdupq_n_f32(0.0f);
o->m = vdupq_n_f32(0.0f);
o->t = vdupq_n_f32(0.0f);
#else // HV_SIMD_NONE
o->n = 0;
o->x = msg_getFloat(m,0);
o->m = 0.0f;
o->t = msg_getFloat(m,0);
#endif
}
} else if (msg_compareSymbol(m,0,"stop")) {
// Stop line at current position
#if HV_SIMD_AVX
// note o->n[1] is a 64-bit integer; two packed 32-bit ints. We only want to know if the high int is positive,
// which can be done simply by testing the long int for positiveness.
float x = (o->n[1] > 0) ? (o->x[7] + (o->m[7]/8.0f)) : o->t[7];
o->n = _mm_setzero_si128();
o->x = _mm256_set1_ps(x);
o->m = _mm256_setzero_ps();
o->t = _mm256_set1_ps(x);
#elif HV_SIMD_SSE
float x = (o->n[1] > 0) ? (o->x[3] + (o->m[3]/4.0f)) : o->t[3];
o->n = _mm_setzero_si128();
o->x = _mm_set1_ps(x);
o->m = _mm_setzero_ps();
o->t = _mm_set1_ps(x);
#elif HV_SIMD_NEON
float x = (o->n[3] > 0) ? (o->x[3] + (o->m[3]/4.0f)) : o->t[3];
o->n = vdupq_n_s32(0);
o->x = vdupq_n_f32(x);
o->m = vdupq_n_f32(0.0f);
o->t = vdupq_n_f32(x);
#else // HV_SIMD_NONE
o->n = 0;
o->x += o->m;
o->m = 0.0f;
o->t = o->x;
#endif
}
}
bool hv_msg_isFloat(const HvMessage *const m, int i) {
return msg_isFloat(m, i);
}
