You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.3 KiB
45 lines
1.3 KiB
#include <fmt/core.h>
|
|
#include <nlohmann/json.hpp>
|
|
#include <fstream>
|
|
#include "dbc.hpp"
|
|
|
|
#define BUF_MAX 1024 * 10
|
|
using namespace fmt;
|
|
using namespace nlohmann;
|
|
|
|
FILE *run_ffmpeg(const string listen_at, const string bitrate, const string send_to) {
|
|
string ffmpeg_cmd = format("ffmpeg -listen 1 -i {} -bufsize 3000k -maxrate {} -flags +global_header -c:v libx264 -preset veryfast -tune zerolatency -g:v 60 -vb {} -c:a copy -f flv {}",
|
|
listen_at, bitrate, bitrate, send_to);
|
|
|
|
println("RUNNING: {}", ffmpeg_cmd);
|
|
|
|
FILE *handle = popen(ffmpeg_cmd.c_str(), "r");
|
|
dbc::check(handle != nullptr, "failed to start ffmpeg");
|
|
return handle;
|
|
}
|
|
|
|
json load_config(const string file_name) {
|
|
std::ifstream infile(file_name);
|
|
return json::parse(infile);
|
|
}
|
|
|
|
int main() {
|
|
FILE *handle = nullptr;
|
|
char buffer[BUF_MAX];
|
|
char *res = nullptr;
|
|
json config = load_config("config.json");
|
|
|
|
const string listen_at = config["listen_at"].template get<string>();
|
|
const string bitrate = config["bitrate"].template get<string>();
|
|
const string send_to = config["send_to"].template get<string>();
|
|
|
|
handle = run_ffmpeg(listen_at, bitrate, send_to);
|
|
|
|
do {
|
|
res = fgets(buffer, BUF_MAX, handle);
|
|
print("OUT: {}", res);
|
|
} while(res != nullptr);
|
|
|
|
int rc = pclose(handle);
|
|
dbc::check(rc == 0, "error closing ffmpeg");
|
|
}
|
|
|