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rds volume?

This commit is contained in:
Kuba 2023-11-03 10:22:32 +00:00
parent ea2ae33305
commit 5c0e406dfb
3 changed files with 4 additions and 4 deletions
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2
src/pifmrds/fm_mpx.c
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@ -195,7 +195,7 @@ int fm_mpx_open(char *filename, size_t len, int raw, double preemphasis, int raw
// 10 after.
int fm_mpx_get_samples(float *mpx_buffer, int drds, float compressor_decay, float compressor_attack, float compressor_max_gain_recip, int disablestereo, float gain, int enablecompressor, int rds_ct_enabled) {
int stereo_capable = (channels > 1) && (!disablestereo); //chatgpt
if(!drds) get_rds_samples(mpx_buffer, length, stereo_capable, rds_ct_enabled);
if(!drds) get_rds_samples(mpx_buffer, length, stereo_capable, rds_ct_enabled, 1.0);
if(inf == NULL) return 0; // if there is no audio, stop here

4
src/pifmrds/rds.c
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@ -185,7 +185,7 @@ void get_rds_group(int *buffer, int stereo, int ct_clock_enabled) {
envelope with a 57 kHz carrier, which is very efficient as 57 kHz is 4 times the
sample frequency we are working at (228 kHz).
*/
void get_rds_samples(float *buffer, int count, int stereo, int ct_clock_enabled) {
void get_rds_samples(float *buffer, int count, int stereo, int ct_clock_enabled, float sample_volume) {
static int bit_buffer[BITS_PER_GROUP];
static int bit_pos = BITS_PER_GROUP;
static float sample_buffer[SAMPLE_BUFFER_SIZE] = {0};
@ -248,7 +248,7 @@ void get_rds_samples(float *buffer, int count, int stereo, int ct_clock_enabled)
phase++;
if(phase >= 4) phase = 0;
*buffer++ = sample;
*buffer++ = (sample * sample_volume);
sample_count++;
}
}

2
src/pifmrds/rds.h
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@ -24,7 +24,7 @@
#include <stdint.h>
extern void get_rds_samples(float *buffer, int count, int stereo, int ct_clock_enabled);
extern void get_rds_samples(float *buffer, int count, int stereo, int ct_clock_enabled, float sample_volume=1.0);
extern void set_rds_pi(uint16_t pi_code);
extern void set_rds_rt(char *rt);
extern void set_rds_ps(char *ps);