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KubaPro010
2024-12-30 11:36:01 +01:00
parent c699ae929a
commit 7b103a4d99
1 changed files with 4 additions and 4 deletions
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8
stereo_coder.c
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@@ -17,11 +17,11 @@
#define TWO_BUFFER_SIZE (BUFFER_SIZE*2) // Don't touch this #define TWO_BUFFER_SIZE (BUFFER_SIZE*2) // Don't touch this
volatile int to_run = 1; volatile int to_run = 1;
const float format_scale = 1.0f / 32768.0f;
void s16le_to_mono_float(const int16_t *input, float *left, float *right, size_t num_samples) { void s16le_to_mono_float(const int16_t *input, float *left, float *right, size_t num_samples) {
const float scale = 1.0f / 32768.0f;
for (size_t i = 0; i < num_samples/2; i++) { for (size_t i = 0; i < num_samples/2; i++) {
left[i] = input[i * 2] * scale; left[i] = input[i * 2] * format_scale;
right[i] = input[i * 2 + 1] * scale; right[i] = input[i * 2 + 1] * format_scale;
} }
} }
@@ -61,7 +61,7 @@ static void stop(int signum) {
int main() { int main() {
printf("STCode : Stereo encoder made by radio95 (with help of ChatGPT and Claude, thanks!)\n"); printf("STCode : Stereo encoder made by radio95 (with help of ChatGPT and Claude, thanks!)\n");
const float SAMPLE_RATE = 192000.0f; const float SAMPLE_RATE = 192000.0f; // Don't go lower than 108 KHz, becuase it (53000*2) and (38000+15000)
const float PILOT_FREQ = 19000.0f; const float PILOT_FREQ = 19000.0f;
const float STEREO_FREQ = 38000.0f; const float STEREO_FREQ = 38000.0f;