#include <fmt/core.h>
#include "dbc.hpp"

#define BUF_MAX 1024 * 10
using namespace fmt;

const string TWITCH_BR="7M";

FILE *run_ffmpeg() {
  string ffmpeg_cmd = format("ffmpeg -listen 1 -i rtmp://192.168.254.146/  -bufsize 3000k  -maxrate $twitch_br  -flags +global_header  -c:v libx264  -preset veryfast -tune zerolatency  -g:v 60  -vb $twitch_br  -c:a copy  -f flv $twitch");

  FILE *handle = popen(ffmpeg_cmd.c_str(), "r");
  dbc::check(handle != nullptr, "failed to start ffmpeg");
  return handle;
}

int main() {
  FILE *handle = run_ffmpeg();
  char buffer[BUF_MAX];
  char *res = nullptr;

  do {
    res = fgets(buffer, BUF_MAX, handle);
    print("OUT: {}", res);
  } while(res != nullptr);

  int rc = pclose(handle);
  dbc::check(rc == 0, "error closing ffmpeg");
}