radio95/rds95
0
1
Fork 0
mirror of https://github.com/radio95-rnt/rds95.git synced 2026-07-31 09:19:15 +02:00
Code Issues Wiki Activity

malloc!??!?!?!

Browse Source
This commit is contained in:
kuba
2025-06-21 15:57:52 +02:00
parent f8ca7915ea
commit 971a2e45cd
3 changed files with 68 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/modulator.c
+23 -11
View File
@@ -77,28 +77,40 @@ int modulatorsaved() {
return 0;
}
void init_rds_modulator(RDSModulator* rdsMod, RDSEncoder* enc) {
void init_rds_modulator(RDSModulator* rdsMod, RDSEncoder* enc, uint8_t num_streams) {
memset(rdsMod, 0, sizeof(*rdsMod));
rdsMod->params.level = 1.0f;
rdsMod->params.rdsgen = 1;
rdsMod->num_streams = num_streams;
rdsMod->enc = enc;
#if STREAMS > 1
rdsMod->data[1].symbol_shift = M_PI/2;
#if STREAMS > 2
rdsMod->data[2].symbol_shift = M_PI;
#if STREAMS > 3
rdsMod->data[3].symbol_shift = 3*M_PI/2;
#endif
#endif
#endif
rdsMod->data = (RDSModulatorModulationData*)calloc(num_streams, sizeof(RDSModulatorModulationData));
if (rdsMod->data == NULL) {
fprintf(stderr, "Error: Could not allocate memory for RDS modulation data\n");
return;
}
for (uint8_t i = 0; i < num_streams; i++) {
rdsMod->data[i].symbol_shift = i * M_PI / 2.0f;
}
if(modulatorsaved()) Modulator_loadFromFile(&rdsMod->params);
else Modulator_saveToFile(&rdsMod->params, "ALL");
}
void cleanup_rds_modulator(RDSModulator* rdsMod) {
if (rdsMod->data) {
free(rdsMod->data);
rdsMod->data = NULL;
}
}
float get_rds_sample(RDSModulator* rdsMod, uint8_t stream) {
if (stream >= rdsMod->num_streams) {
return 0.0f;
}
rdsMod->data[stream].phase += 1187.5 / RDS_SAMPLE_RATE;
if (rdsMod->data[stream].phase >= 1.0f) {
@@ -118,4 +130,4 @@ float get_rds_sample(RDSModulator* rdsMod, uint8_t stream) {
uint8_t tooutput = rdsMod->params.rdsgen > stream ? 1 : 0;
return sample*rdsMod->params.level*tooutput;
}
}