[FFmpeg-devel] Unrecognized option while extracting I/P/B frames from MPEG video

Hi, I am newbie to ffmpeg. I am trying to extract the I/B/P frames from a video file. I went through the documentation and found the following command: ffmpeg -i input -vf "select=eq(pict_type,PICT_TYPE_I)" output But, I am getting error for unrecognized option '-vf' as below: -

[FFmpeg-devel] Getting timestamp from transport stream

Hi, I am a newbie to ffmpeg. I created a transport stream from encoded mp4 file using ffmpeg command. Now I am trying to send the packets of the transport stream over UDP. I found that there are ffmpeg commands for client server communication which I tested with the .ts file. But I want to contro