ffmpeg -h filter=xfade

ffmpeg version 4.4.2-1 Copyright (c) 2000-2021 the FFmpeg developers built with gcc 8 (Uos 8.3.0.3-3+rebuild) configuration: –prefix=/usr –extra-version=1 –toolchain=hardened –libdir=/usr/lib/x86_64-linux-gnu —

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ffmpeg-filter_complex

#ffmpeg -i bg.jpg -i 0-5-eq.jpg -filter_complex “[1:v] scale=552:23[logo];[0:v][logo]overlay=x=3:y=0” bg-0-5.jpg && #ffmpeg -i bg-2-0-5.jpg -vf “eq=contrast=2” -f image2 bg-2-0-5-eq.jpg && ffmpeg -i ffmpeg-A4.jpg -i ffmpeg-A4-25×30.jpg -filter_complex “[1:v] scale=558:781[logo];[0:v][logo]overlay=x=18:y=30” ffmpeg-A4-25×30-0.jpg && ffmpeg -i ffmpeg-A4-25×30-0.jpg -vf “eq=contrast=2” -f image2 ffmpeg-A4-25×30-true.jpg && exit ffmpeg -i test_0.mp3 -i test_1.mp3 -filter_complex “[0:a]aresample=44100,aformat=fltp[a1];[1:a]aresample=44100,aformat=fltp,volume=1[a2];[a1][a2]amix” ff_amix.mp3 ffmpeg -i test.mp4 -i ship.mp3 “[0:a]aresample=44100,aformat=fltp[a1];[1:a]aresample=44100, aformat=fltp,volume=0.5[a2];[a1][a2]amix” ff_amix.mp4

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ffmpeg -h filter=blend

ffmpeg version 4.4.2-1 Copyright (c) 2000-2021 the FFmpeg developers built with gcc 8 (Uos 8.3.0.3-3+rebuild) configuration: –prefix=/usr –extra-version=1 –toolchain=hardened –libdir=/usr/lib/x86_64-linux-gnu —

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ffmpeg-notepad

ffmpeg -i test.mp3 -af atempo=2 ff_atempo.mp3 ffmpeg -i test.mp3 -af atrim=start=30:end=50 ff_atrim.mp3 ffmpeg -i fuzhous.mp4 -i seas.mp4 -filter_complex “[0:v]fps=25[v0];[1:v]fps=25[v1];[v0][v1]blend=all_mode=average” ff_blend.mp4

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pactl list

pactl list | grep -A2 ‘Source’ Monitor Source: alsa_output.pci-0000_00_1b.0.analog-stereo.monitor Latency: 0 usec, configured 0 usec Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY — Source #1 State: SUSPENDED Name: alsa_output.pci-0000_00_1b.0.analog-stereo.monitor — Source #2 State: SUSPENDED Name: alsa_input.pci-0000_00_1b.0.analog-stereo —————————- pactl list | grep ‘Source’ Monitor Source: alsa_output.pci-0000_00_1b.0.analog-stereo.monitor Monitor Source: bluez_sink.41_42_FF_28_DF_E0.a2dp_sink.monitor Source #0 Source #100

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