[Libav-user] ffmpeg "-t" option

[David martin]

Hi,
what is the equivalent of the "-t" option using the api. I'm not sure 
how to limit the streamig of the video.

e.g:
ffmpeg -i "rtsp://195.200.199.8/mpeg4/media.amp" -t 5  toto.mpeg


In the folllowing piece of code how you include the "-t" option

....

     char* input_filename = "rtsp://195.200.199.8/mpeg4/media.amp";

     av_register_all();
     avcodec_register_all();
     avformat_network_init();

     if(avformat_open_input(&pFormatCtx, input_filename,NULL,NULL) != 0)
     {
         fprintf(stderr, "could not open input: %s!\n", input_filename);
         return -1;
     }

     printf("opened input\n");

         if (avformat_find_stream_info(pFormatCtx,NULL) <0)
         {
         		fprintf(stderr, "could not find stream information\n");
             return -1;
         }


     av_dump_format(pFormatCtx, 0, input_filename, 0 );