This command also fails with same over-long anycodings_ffmpeg result (I added -video_track_timescale 600): ffmpeg -loop 1 -t 2 -framerate 1 -i foo.jpg -f lavfi -t 2 -i anullsrc -i bar.mp4 -filter_complex " concat=n=2:v=1:a=1 fps=24,scale=32:24" -map "" -map "" -video_track_timescale 600 out.mp4Īdditional info about file bar.mp4: $ ffmpeg -i bar.mp4įfmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developersīuilt with Apple clang version 11.0.3 (clang-1103.0.32.62)Ĭonfiguration: -prefix=/usr/local/Cellar/ffmpeg/4.3.1_1 -enable-shared -enable-pthreads -enable-version3 -enable-avresample -cc=clang -host-cflags= -host-ldflags= -enable-ffplay -enable-gnutls -enable-gpl -enable-libaom -enable-libbluray -enable-libdav1d -enable-libmp3lame -enable-libopus -enable-librav1e -enable-librubberband -enable-libsnappy -enable-libsrt -enable-libtesseract -enable-libtheora -enable-libvidstab -enable-libvorbis -enable-libvpx -enable-libwebp -enable-libx264 -enable-libx265 -enable-libxml2 -enable-libxvid -enable-lzma -enable-libfontconfig -enable-libfreetype -enable-frei0r -enable-libass -enable-libopencore-amrnb -enable-libopencore-amrwb -enable-libopenjpeg -enable-librtmp -enable-libspeex -enable-libsoxr -enable-videotoolbox -disable-libjack -disable-indev=jack My research shows that it might be related anycodings_ffmpeg to -video_track_timescale After anycodings_ffmpeg that, video just stays silent with the anycodings_ffmpeg 5th-second frame frozen until the end. Reality: output is 3 minutes and 38 seconds anycodings_ffmpeg long. Scale it to 32x24 anycodings_ffmpeg dimension (intentionally tiny for testing).Įxpected: output to be about 5 seconds long anycodings_ffmpeg in total. Make final output anycodings_ffmpeg framerate 24 fps. Then anycodings_ffmpeg concat with bar.mp4. At the same time, add silent audio anycodings_ffmpeg track to the 2-second foo.jpg video. Loop foo.jpg for anycodings_ffmpeg 2 seconds at framerate of 1 frame per anycodings_ffmpeg second. I used: ffmpeg -loop 1 -t 2 -framerate 1 -i foo.jpg -f lavfi -t 2 -i anullsrc -i bar.mp4 -filter_complex " concat=n=2:v=1:a=1 fps=24,scale=32:24" -map "" -map "" out.mp4
Output video anycodings_ffmpeg should be just around 5 seconds long. Show anycodings_ffmpeg foo.jpg for 2 seconds only. My goal: To concat an image (foo.jpg) with a anycodings_ffmpeg video (bar.mp4, 3 seconds long).
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