Take metadata from video

probe.c

// gcc src/decoder.c -lavcodec -lavformat

#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>

int main(int argc, char *argv[]) {
  char *filename = "/home/msa/Videos/Cowspiracy.2014.1080p-EGN.mkv";

  av_register_all();

  AVFormatContext *pFormatCtx = NULL;

  int error;
  if (error = avformat_open_input(&pFormatCtx, filename, NULL, NULL) < 0) {
    printf("Could not open input file '%s' (error '%i')\n", filename, error);
    return error;
  }

  if ((error = avformat_find_stream_info(pFormatCtx, NULL)) < 0) {
    fprintf(stderr, "Could not open find stream info (error '%i')\n", error);
    avformat_close_input(&pFormatCtx);
    return error;
  }

  av_dump_format(pFormatCtx, 0, filename, 0);

  printf("Done");
}