<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:10pt"><div>Hello,</div><div> I'm trying to open an existing video file and then add more frames to it. The newly added frames will have the same dimensions as the existing video and the same pixel format.</div><div>I've also considered creating a new video with the new frames and then joining the two videos into one.<br></div><div>I've looked into the concat protocol, but from what I saw you can't concatenate two videos "in place" by only adding the second video to the first one without creating the 3rd video. </div><div>Is there any way I could add more frames to an existing video(either using the API provided by the ffmpeg libraries or by using the console applications) or concatenate two videos without having to copy both files to a 3rd one?</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family:
verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">Any help would be appreciated.</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">Thanks!</div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: verdana,helvetica,sans-serif; background-color: transparent; font-style: normal;">Andrei.<br></div><div><br></div><div><br></div></div></body></html>