Cecil Westerhof via ffmpeg-user <ffmpeg-user@ffmpeg.org> writes: > Cecil Westerhof via ffmpeg-user <ffmpeg-user@ffmpeg.org> writes: > >> Ferdi Scholten <fe...@sttc-nlp.nl> writes: >> >>> I want to play a video in a video from a certain point. I understood I >>>> could do something like: >>>> ffmpeg \ >>>> -i input1.mp4 \ >>>> -i input2.mp4 \ >>>> -filter_complex " >>>> [0:v][1:v] overlay=25:25: >>>> enable='between(t,8,20)' >>>> " \ >>>> -pix_fmt yuv420p \ >>>> -c:a copy \ >>>> output.mp4 >>>> >>>> But this starts input2.mp4 from the start of input2.mp4 on the 8 >>>> second, for twelve seconds. >>>> Is it possible to let input2.mp4 not start from second 0, but from >>>> second 17? >>>> >>> Try putting -ss 17 between the two inputs. >> >> I was thinking about that. But that means that if I want to use >> input2.mp4 several times, I should use input2.mp4 several times with >> the correct -ss. Not really a problem, but I had hoped for a more >> efficient way. But I will use it like this for the moment then. >> Thanks. > > At the moment I have: > ffmpeg -y \ > -to 30 -i "${inputFile}" \ > -ss 11 -to 28 -i "${overlayFile}" \ > -filter_complex " > [0:v][1:v] overlay=main_w-(overlay_w+10):10: > enable='between(t,8,25)' > " \ > -pix_fmt yuv420p \ > -acodec libmp3lame \ > -vcodec libx264 \ > -preset veryfast \ > -crf 26 \ > "${outputFile}" > > It works, but I have a question and found a problem.
… > In my search to find this solution, I think I saw a method to scale > the overlay file. But I cannot find it anymore. :'-( > Am I mistaken, or is it possible? I would like to scale the overlay > file to 640:-2. I found the solution I think: ffmpeg -y \ -to 30 -i "${inputFile}" \ -ss 11 -to 28 -i "${overlayFile}" \ -filter_complex " [1:v] scale=960:-2[scaled:v], [0:v][scaled:v] overlay=main_w-(overlay_w+10):10: enable='between(t,8,25)' " \ -pix_fmt yuv420p \ -acodec libmp3lame \ -vcodec libx264 \ -preset veryfast \ -crf 26 \ "${outputFile}" I needed another scale as I thought. It looks like the end part of the overlay is not displayed correctly, but I will look into that. -- Cecil Westerhof Senior Software Engineer LinkedIn: http://www.linkedin.com/in/cecilwesterhof _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".