AquaMorph/ES-5-Pipewire
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Christian Colglazier 2021-10-09 15:08:00 -04:00
parent 9041122725
commit 1d0e1f84d3
1 changed files with 84 additions and 10 deletions
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94
es-5.c
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@ -1,36 +1,110 @@
#include <spa/param/latency-utils.h>
#include <pipewire/pipewire.h>
struct data;
struct port {
struct data *data;
};
struct data {
struct pw_main_loop *loop;
struct pw_stream *stream;
struct pw_filter *filter;
struct port *in_port_one;
struct port *in_port_two;
struct port *in_port_three;
struct port *in_port_four;
struct port *in_port_five;
struct port *in_port_six;
struct port *in_port_seven;
struct port *in_port_eight;
struct port *out_port;
};
static void on_process(void *userdata) {}
static void on_process(void *userdata, struct spa_io_position *position) {}
static const struct pw_stream_events stream_events = {
PW_VERSION_STREAM_EVENTS,
.process = on_process,
static void do_quit(void *userdata, int signal_number) {
struct data *data = userdata;
pw_main_loop_quit(data->loop);
}
static const struct pw_filter_events filter_events = {
PW_VERSION_FILTER_EVENTS,
.process = on_process,
};
struct port* add_port(char* name, struct data data) {
return pw_filter_add_port(data.filter,
PW_DIRECTION_INPUT,
PW_FILTER_PORT_FLAG_MAP_BUFFERS,
sizeof(struct port),
pw_properties_new(
PW_KEY_FORMAT_DSP, "32 bit float mono audio",
PW_KEY_PORT_NAME, name,
NULL),
NULL, 0);
}
int main(int argc, char *argv[]) {
struct data data = { 0, };
const struct spa_pod *params[1];
uint8_t buffer[1024];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
pw_init(&argc, &argv);
data.loop = pw_main_loop_new(NULL);
data.stream = pw_stream_new_simple(
pw_loop_add_signal(pw_main_loop_get_loop(data.loop), SIGINT, do_quit, &data);
pw_loop_add_signal(pw_main_loop_get_loop(data.loop), SIGTERM, do_quit, &data);
data.filter = pw_filter_new_simple(
pw_main_loop_get_loop(data.loop),
"audio-src",
"ES-5",
pw_properties_new(
PW_KEY_MEDIA_TYPE, "Audio",
PW_KEY_MEDIA_CATEGORY, "Duplex",
PW_KEY_MEDIA_CATEGORY, "Filter",
PW_KEY_MEDIA_ROLE, "DSP",
NULL),
&stream_events,
&filter_events,
&data);
data.in_port_one = add_port("input_1", data);
data.in_port_two = add_port("input_2", data);
data.in_port_three = add_port("input_3", data);
data.in_port_four = add_port("input_4", data);
data.in_port_five = add_port("input_5", data);
data.in_port_six = add_port("input_6", data);
data.in_port_seven = add_port("input_7", data);
data.in_port_eight = add_port("input_8", data);
pw_stream_destroy(data.stream);
data.out_port = pw_filter_add_port(data.filter,
PW_DIRECTION_OUTPUT,
PW_FILTER_PORT_FLAG_MAP_BUFFERS,
sizeof(struct port),
pw_properties_new(
PW_KEY_FORMAT_DSP, "32 bit float mono audio",
PW_KEY_PORT_NAME, "output",
NULL),
NULL, 0);
params[0] = spa_process_latency_build(&b,
SPA_PARAM_ProcessLatency,
&SPA_PROCESS_LATENCY_INFO_INIT(
.ns = 10 * SPA_NSEC_PER_MSEC
));
if (pw_filter_connect(data.filter,
PW_FILTER_FLAG_RT_PROCESS,
params, 1) < 0) {
fprintf(stderr, "can't connect\n");
return -1;
}
pw_main_loop_run(data.loop);
pw_filter_destroy(data.filter);
pw_main_loop_destroy(data.loop);
return 0;
}