VIANC/pw_plugin/main.cc

#include <random>
#include <cstdio>
#include <cmath>
#include <cstring>
#include <iostream>
#include <chrono>
#include <thread>
#include <array>
#include <atomic>
#include "pipewire/pipewire.h"
#include "spa/param/audio/format-utils.h"
#include "spa/param/latency-utils.h"

#include "passthrough.h"
#include "micpath.h"

int main(int argc, char** argv) {
	pw_init(&argc, &argv);

	auto* tloop = pw_thread_loop_new("thread", NULL);
{
	ringbuffer rb;
	if(tloop == nullptr) {
		std::cerr << "Could not create loop!\n";
		return 1;
	}
	logger_record lr(pw_thread_loop_get_loop(tloop), &rb);
	logger_playback lp(pw_thread_loop_get_loop(tloop), &rb);//, true, false);


	ringbuffer mic_rb;
	logger_record mic_lr(pw_thread_loop_get_loop(tloop),&mic_rb, "aec-record", "Capture");
	aec_stream aec(pw_thread_loop_get_loop(tloop), &rb, &mic_rb, lr);

	pw_thread_loop_start(tloop);

	aec_params x;
	do {
		std::this_thread::sleep_for(std::chrono::seconds(1));
		x = aec.get_aec_params();
	} while(!x.valid);


	while(true) {
		std::this_thread::sleep_for(std::chrono::seconds(60));
	}

	std::puts("L = [");
	for(int i = 0; i < 8192; ++i) {
		std::printf("%f,", aec.cov[i]);
	} 
	std::puts("]");

	std::printf("Noise power : %f dB\n", 10*std::log10(x.noise_power));
	std::printf("Echo return loss : %f dB (-20dB input power)\n",
		-10*std::log10(x.echo_return_gain));
	std::printf("Delay : %d samples\n", x.sample_delay);

	std::this_thread::sleep_for(std::chrono::seconds(600));	
	pw_thread_loop_stop(tloop);

	std::puts("h = [");
	for(int i = 0; i < 128; ++i) {
		std::printf("%e,", (float)aec.h[i]);
	}
	std::puts("]");

}
	pw_thread_loop_destroy(tloop);
	pw_deinit();
	std::puts("See you space cowboy...");
	return 0;
}