configure -enable-libxml2 -with-freetype-config =/usr/local/freetype/bin/freetype-config -prefix =/usr/local/fontconfigĢ./configure -prefix=/usr/local/fribidi Install fontconfig (2.13.92) autoreconf -ivĮxport PKG_CONFIG_PATH =/usr/local/libxml2/lib/pkgconfig: $PKG_CONFIG_PATH export PKG_CONFIG_PATH =/usr/local/freetype/lib/pkgconfig: $PKG_CONFIG_PATH configure -without-python -prefix =/usr/local/libxml2 ️ Because the watermark needs to be superimposed, So you need to install freetype、libxml2、fontconfig 、fribidi configure -enable-shared -enable-static -enable-strip -disable-cli -prefix =/usr/local/x264 configure -disable-shared -enable-static -enable-strip -disable-cli
īuild FFmpeg(4.1.1) Environmental Science ️ Translating / Muxing Mount RTSP as virtual video device $ ffmpeg -f mjpeg -i rtsp://192.168.1.16/play2.Raspberry pi 4b, be based on ffmpeg, Read rtsp Video streaming, Hard coded video stream, Add watermark, push RTSP. Output / Encoding / Streaming Stream a local file to an RTMP server (Periscope specification) ffmpeg -i FILE.mp4 -crf 30 -preset ultrafast -acodec aac -strict experimental -ar 44100 -ac 2 -b:a 92k -vcodec libx264 -x264-params keyint=60:no-scenecut=1 -r 30 -b:v 3250k -s 1280x720 -f flv rtmp://ca.:80/x/STREAM_KEY_HERE Rip an M3U8 (video HLS) ffmpeg -i "" -c copy -bsf:a aac_adtstoasc out.mp4
Ripping Rip and audio stream (I use this to rip SHOUTcast streams, specifically ours) ffmpeg -y -i out.mp3 Media Conversion High-Quality, Infinitely Looping GIF from MP4 ffmpeg -i input.mp4 -vf "fps=12,scale=720:-1:flags=lanczos,split palettegen paletteuse" -loop 0 output.gifĬonvert FLV to MP4 without full re-encode ffmpeg -i in.flv -vcodec copy out.mp4Īdjustments / Processing Boost audio level (volume) without re-encoding ffmpeg -i in.mp4 -vcodec copy -af "volume=10dB" out.mp4ĭelay audio ffmpeg -i "in.mp4" -itsoffset 0.3 -i "in.mp4" -map 0:v -map 1:a -vcodec copy -acodec copy "out.mp4" These are FFmpeg commands I use on a regular basis and rather than keeping them to myself I figured it'd be good to share!įor the sake of simplicity, the filenames I use in the examples below are in.mp4 and out.mp4, though you can use your imagination to picture blah.mov or audio.wav on a case-by-case basis:
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