Input #1, png_pipe, from 'C:\Users\Zibri\Downloads\scdc.png': Record live feed from webcam and microphone, overlay a logo and save to flv.įfmpeg -f dshow -video_size qpal -rtbufsize 1G -copyts -framerate 30 -i video=" BisonCam, NB Pro" -i "C:\Users\Zibri\Downloads\scdc.png" -filter_complex "scale=80圆0,overlay=W-w-5:H-h-5" -f dshow -i audio="Microphone (Realtek High Definition Audio)" -codec:v libx264 -preset fast -b:v 500k -b:a 128k -minrate 500k -maxrate 500k -bufsize 1500k -f flv test7.flvįfmpeg version N-81696-gd38dff8e Copyright (c) 2000-2016 the FFmpeg developersĬonfiguration: -enable-gpl -enable-version3 -disable-w32threads -enable-dxva2 -enable-libmfx -enable-nvenc -enable-avisynth -enable-bzlib -enable-libebur128 -enable-fontconfig -enable-frei0r -enable-gnutls -enable-iconv -enable-libass -enable-libbluray -enable-libbs2b -enable-libcaca -enable-libfreetype -enable-libgme -enable-libgsm -enable-libilbc -enable-libmodplug -enable-libmp3lame -enable-libopencore-amrnb -enable-libopencore-amrwb -enable-libopenh264 -enable-libopenjpeg -enable-libopus -enable-librtmp -enable-libschroedinger -enable-libsnappy -enable-libsoxr -enable-libspeex -enable-libtheora -enable-libtwolame -enable-libvidstab -enable-libvo-amrwbenc -enable-libvorbis -enable-libvpx -enable-libwavpack -enable-libwebp -enable-libx264 -enable-libx265 -enable-libxavs -enable-libxvid -enable-libzimg -enable-lzma -enable-decklink -enable-zlib
I know this is normal because the complex filter has more options and it's more flexible, but IMHO this should not happen. To record from webcam and microphone and overlay a resized logo, using complex_filter I achieve about 20fps (on a fast pc with less than 15% cpu load), using the same features but with -vf I get full realtime 30fps.
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