radio95/rds95
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this is gonna fail to compile

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This commit is contained in:
kuba
2025-03-22 19:27:08 +01:00
parent 55f4b7e315
commit f2ac54c351
5 changed files with 76 additions and 27 deletions
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src/rds95.c
+55 -12
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@@ -11,6 +11,9 @@
#include "lib.h"
#include "ascii_cmd.h"
#define RDS_DEVICE "RDS"
#define RDS2_DEVICE "RDS2"
#define NUM_MPX_FRAMES 512
static uint8_t stop_rds;
@@ -53,7 +56,11 @@ int main(int argc, char **argv) {
char control_pipe[51] = "\0";
pa_simple *device;
#ifdef RDS2_DEVICE
pa_simple *rds2_device;
#endif
pa_sample_spec format;
pa_buffer_attr buffer;
pthread_attr_t attr;
pthread_t control_pipe_thread;
@@ -91,21 +98,42 @@ int main(int argc, char **argv) {
format.channels = 1;
format.rate = RDS_SAMPLE_RATE;
buffer.prebuf = 0;
buffer.tlength = 8192;
buffer.maxlength = 8192;
device = pa_simple_new(
NULL, // Default PulseAudio server
"rds95", // Application name
PA_STREAM_PLAYBACK, // Direction (playback)
"RDS", // Default device
"RDS Generator", // Stream description
&format, // Sample format
NULL, // Default channel map
NULL, // Default buffering attributes
NULL // Error variable
NULL,
"rds95",
PA_STREAM_PLAYBACK,
RDS_DEVICE,
"RDS Generator",
&format,
NULL,
&buffer,
NULL
);
if (device == NULL) {
fprintf(stderr, "Error: cannot open sound device.\n");
goto exit;
}
#ifdef RDS2_DEVICE
rds2_device = pa_simple_new(
NULL,
"rds95",
PA_STREAM_PLAYBACK,
RDS2_DEVICE,
"RDS2 Generator",
&format,
NULL,
&buffer,
NULL
);
if(rds2_device == NULL) {
fprintf(stderr, "Error: cannot open sound device.\n");
goto exit;
}
#endif
RDSEncoder rdsEncoder;
RDSModulator rdsModulator;
@@ -132,17 +160,29 @@ int main(int argc, char **argv) {
int pulse_error;
static float mpx_buffer[NUM_MPX_FRAMES];
float rds1_buffer[NUM_MPX_FRAMES];
#ifdef RDS2_DEVICE
float rds2_buffer[NUM_MPX_FRAMES];
#endif
while(!stop_rds) {
for (uint16_t i = 0; i < NUM_MPX_FRAMES; i++) {
mpx_buffer[i] = get_rds_sample(&rdsModulator);
rds1_buffer[i] = get_rds_sample(&rdsModulator, false);
#ifdef RDS2_DEVICE
rds2_buffer[i] = get_rds_sample(&rdsModulator, true);
#endif
}
if (pa_simple_write(device, mpx_buffer, sizeof(mpx_buffer), &pulse_error) != 0) {
if (pa_simple_write(device, rds1_buffer, sizeof(rds1_buffer), &pulse_error) != 0) {
fprintf(stderr, "Error: could not play audio. (%s : %d)\n", pa_strerror(pulse_error), pulse_error);
break;
}
#ifdef RDS2_DEVICE
if (pa_simple_write(rds2_device, rds2_buffer, sizeof(rds2_buffer), &pulse_error) != 0) {
fprintf(stderr, "Error: could not play audio. (%s : %d)\n", pa_strerror(pulse_error), pulse_error);
break;
}
#endif
}
exit:
@@ -153,6 +193,9 @@ exit:
pthread_attr_destroy(&attr);
pa_simple_free(device);
#ifdef RDS2_DEVICE
pa_simple_free(rds2_device);
#endif
return 0;
}