remove c99'ness from rsynth.c - should fix #5751

This commit is contained in:
Robin Gareus 2013-10-26 16:42:27 +02:00
parent f52cfdd639
commit e451411719
3 changed files with 21 additions and 16 deletions

View file

@ -175,9 +175,10 @@ static void synthesize_sineP (RSSynthChannel* sc,
const uint8_t note, const float vol, const float fq,
const size_t n_samples, float* left, float* right) {
size_t i;
float phase = sc->phase[note];
for (size_t i=0; i < n_samples; ++i) {
for (i=0; i < n_samples; ++i) {
float env = adsr_env(sc, note);
if (sc->adsr_cnt[note] == 0) break;
const float amp = vol * env;
@ -272,9 +273,11 @@ static void synth_fragment (void *synth, const size_t n_samples, float *left, fl
memset (left, 0, n_samples * sizeof(float));
memset (right, 0, n_samples * sizeof(float));
uint8_t keycomp = 0;
int c,k;
size_t i;
for (int c=0; c < 16; ++c) {
for (int k=0; k < 128; ++k) {
for (c=0; c < 16; ++c) {
for (k=0; k < 128; ++k) {
if (rs->sc[c].miditable[k] == 0) continue;
process_key(synth, c, k, n_samples, left, right);
}
@ -286,7 +289,7 @@ static void synth_fragment (void *synth, const size_t n_samples, float *left, fl
if (kctgt < .5) kctgt = .5;
if (kctgt > 1.0) kctgt = 1.0;
const float _w = rs->kcfilt;
for (unsigned int i=0; i < n_samples; ++i) {
for (i=0; i < n_samples; ++i) {
rs->kcgain += _w * (kctgt - rs->kcgain);
left[i] *= rs->kcgain;
right[i] *= rs->kcgain;
@ -296,7 +299,8 @@ static void synth_fragment (void *synth, const size_t n_samples, float *left, fl
}
static void synth_reset_channel(RSSynthChannel* sc) {
for (int k=0; k < 128; ++k) {
int k;
for (k=0; k < 128; ++k) {
sc->adsr_cnt[k] = 0;
sc->adsr_amp[k] = 0;
sc->phase[k] = -10;
@ -307,7 +311,8 @@ static void synth_reset_channel(RSSynthChannel* sc) {
static void synth_reset(void *synth) {
RSSynthesizer* rs = (RSSynthesizer*)synth;
for (int c=0; c < 16; ++c) {
int c;
for (c=0; c < 16; ++c) {
synth_reset_channel(&(rs->sc[c]));
}
rs->kcgain = 0;
@ -407,7 +412,7 @@ static uint32_t synth_sound (void *synth, uint32_t written, const uint32_t nfram
* @param data 8bit midi message
* @param size number of bytes in the midi-message
*/
static void synth_parse_midi(void *synth, uint8_t *data, size_t size) {
static void synth_parse_midi(void *synth, const uint8_t *data, const size_t size) {
if (size < 2 || size > 3) return;
// All messages need to be 3 bytes; except program-changes: 2bytes.
if (size == 2 && (data[0] & 0xf0) != 0xC0) return;
@ -454,14 +459,15 @@ static void synth_init(void *synth, double rate) {
rs->rate = rate;
rs->boffset = BUFFER_SIZE_SAMPLES;
const float tuning = 440;
for (int k=0; k < 128; k++) {
int c,k;
for (k=0; k < 128; k++) {
rs->freqs[k] = (2.0 * tuning / 32.0f) * powf(2, (k - 9.0) / 12.0) / rate;
assert(rs->freqs[k] < M_PI/2); // otherwise spatialization may phase out..
}
rs->kcfilt = 12.0 / rate;
synth_reset(synth);
for (int c=0; c < 16; c++) {
for (c=0; c < 16; c++) {
synth_load(&rs->sc[c], rate, &synthesize_sineP, &piano_adsr);
}
}