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add a toggle for disabling, might be used later

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Kuba 2024-03-22 14:58:57 +01:00 committed by GitHub
parent 7f80d00b21
commit 08f0c7b74d
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GPG Key ID: B5690EEEBB952194
1 changed files with 10 additions and 6 deletions
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16
src/pifmrds/fm_mpx.c
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@ -72,11 +72,15 @@ float left_max=1, right_max=1; // start compressor with low gain
SNDFILE *inf;
float limiter(float input, float threshold) {
if (fabsf(input) > threshold) {
return (input > 0) ? threshold : -threshold;
float limiter(float input, float threshold, int enable) {
if(enable == 1) {
if (fabsf(input) > threshold) {
return (input > 0) ? threshold : -threshold;
}
return input;
} else {
return input;
}
return input;
}
float *alloc_empty_buffer(size_t length) {
@ -329,8 +333,8 @@ int fm_mpx_get_samples(float *mpx_buffer, int drds, float compressor_decay, floa
if(channels > 1) out_right = 0;
}
out_left = limiter(out_left, 0.8); //chatgpt says that its -1.9382 db, amplified a mp3 2000 times, without this it was fucking huge it took like a mhz but with this, about 20khz
if( channels > 1 ) out_right = limiter(out_right, 0.8);
out_left = limiter(out_left, 0.8, 1); //chatgpt says that its -1.9382 db, amplified a mp3 2000 times, without this it was fucking huge it took like a mhz but with this, about 20khz
if( channels > 1 ) out_right = limiter(out_right, 0.8, 1);
// Generate the stereo mpx
if( channels > 1 ) {