Video Filters Reference

ffmpeg -i input.mp4 -vf "scale=1280:720,fps=30" output.mp4

# Scale to 1280x720
ffmpeg -i input.mp4 -vf scale=1280:720 output.mp4

# Scale to half size
ffmpeg -i input.mp4 -vf scale=iw/2:ih/2 output.mp4

# Scale maintaining aspect ratio
ffmpeg -i input.mp4 -vf scale=1280:-1 output.mp4

# High quality scaling with lanczos
ffmpeg -i input.mp4 -vf scale=1920:1080:flags=lanczos output.mp4

ffmpeg -hwaccel cuda -i input.mp4 -vf scale_cuda=1280:720 output.mp4

# Crop to 640x480 from center
ffmpeg -i input.mp4 -vf crop=640:480 output.mp4

# Crop 100 pixels from each side
ffmpeg -i input.mp4 -vf crop=in_w-200:in_h-200:100:100 output.mp4

# Auto-detect crop area
ffmpeg -i input.mp4 -vf cropdetect -f null -

# Add black bars to make 16:9
ffmpeg -i input.mp4 -vf pad=1920:1080:(ow-iw)/2:(oh-ih)/2 output.mp4

ffmpeg -i input.mp4 -vf cropdetect -f null -

# Convert to 30fps
ffmpeg -i input.mp4 -vf fps=30 output.mp4

# Convert to 60fps
ffmpeg -i input.mp4 -vf fps=60 output.mp4

ffmpeg -i input.mp4 -vf framerate=fps=60 output.mp4

# Double speed
ffmpeg -i input.mp4 -vf setpts=0.5*PTS output.mp4

# Half speed
ffmpeg -i input.mp4 -vf setpts=2*PTS output.mp4

ffmpeg -i interlaced.mp4 -vf yadif output.mp4

ffmpeg -i interlaced.mp4 -vf bwdif output.mp4

ffmpeg -i interlaced.mp4 -vf w3fdif output.mp4

ffmpeg -hwaccel cuda -i input.mp4 -vf bwdif_cuda output.mp4

ffmpeg -i input.mp4 -vf colorbalance=rs=0.2:gs=-0.1:bs=0 output.mp4

ffmpeg -i input.mp4 -vf colorchannelmixer=rr=1:gg=1:bb=1 output.mp4

ffmpeg -i input.mp4 -vf colorcontrast output.mp4

ffmpeg -i input.mp4 -vf colorcorrect output.mp4

ffmpeg -i input.mp4 -vf colorize=hue=120:saturation=0.5:lightness=0 output.mp4

ffmpeg -i greenscreen.mp4 -vf colorkey=0x00FF00:0.3:0.2 output.mp4

ffmpeg -i input.mp4 -vf colorlevels=rimin=0.1:gimin=0.1:bimin=0.1 output.mp4

ffmpeg -i input.mp4 -vf colorspace=bt709:bt2020 output.mp4

ffmpeg -i input.mp4 -vf colortemperature=temperature=6500 output.mp4

ffmpeg -i input.mp4 -vf curves=vintage output.mp4

ffmpeg -i input.mp4 -vf eq=brightness=0.1:contrast=1.5:saturation=1.2 output.mp4

ffmpeg -i input.mp4 -vf hue=h=90:s=1.5 output.mp4

# Overlay logo in top-right corner
ffmpeg -i video.mp4 -i logo.png -filter_complex "overlay=W-w-10:10" output.mp4

# Overlay with transparency
ffmpeg -i video.mp4 -i watermark.png -filter_complex "overlay=10:10:format=rgb" output.mp4

# Moving overlay
ffmpeg -i video.mp4 -i logo.png -filter_complex "overlay=x='t*100':y=10" output.mp4

ffmpeg -i video1.mp4 -i video2.mp4 -filter_complex "blend=all_mode=overlay:all_opacity=0.5" output.mp4

ffmpeg -i rgb.mp4 -i alpha.mp4 -filter_complex alphamerge output.mp4

# Simple text overlay
ffmpeg -i input.mp4 -vf "drawtext=text='Hello World':fontsize=24:x=10:y=10" output.mp4

# Timestamp
ffmpeg -i input.mp4 -vf "drawtext=text='%{pts\\:hms}':fontsize=24:x=10:y=10" output.mp4

# Text from file
ffmpeg -i input.mp4 -vf "drawtext=textfile=subtitle.txt:fontsize=24:x=10:y=H-th-10" output.mp4

ffmpeg -i input.mp4 -vf "drawbox=x=10:y=10:w=100:h=100:[email protected]:t=2" output.mp4

ffmpeg -i input.mp4 -vf "drawgrid=width=100:height=100:thickness=2:[email protected]" output.mp4

ffmpeg -i input.mp4 -vf boxblur=2:1 output.mp4
ffmpeg -i input.mp4 -vf avgblur=5 output.mp4

# Sharpen
ffmpeg -i input.mp4 -vf unsharp=5:5:1.0:5:5:0.0 output.mp4

ffmpeg -i noisy.mp4 -vf nlmeans output.mp4

ffmpeg -i noisy.mp4 -vf hqdn3d output.mp4

ffmpeg -i noisy.mp4 -vf atadenoise output.mp4

ffmpeg -hwaccel vaapi -i input.mp4 -vf denoise_vaapi output.mp4

# Rotate 90 degrees clockwise
ffmpeg -i input.mp4 -vf rotate=PI/2 output.mp4

# Rotate 45 degrees
ffmpeg -i input.mp4 -vf rotate=45*PI/180 output.mp4

# Rotate 90 degrees clockwise
ffmpeg -i input.mp4 -vf transpose=1 output.mp4

# Rotate 90 degrees counter-clockwise
ffmpeg -i input.mp4 -vf transpose=2 output.mp4

ffmpeg -i input.mp4 -vf hflip output.mp4
ffmpeg -i input.mp4 -vf vflip output.mp4

ffmpeg -i input.mp4 -vf perspective=x0=0:y0=0:x1=W:y1=0:x2=0:y2=H:x3=W:y3=H output.mp4

ffmpeg -i input.mp4 -vf blackdetect=d=0.1:pix_th=0.00 -f null -

ffmpeg -i input.mp4 -vf blackframe -f null -

ffmpeg -i input.mp4 -vf select='gt(scene,0.4)',showinfo -f null -
ffmpeg -i input.mp4 -vf freezedetect -f null -

ffmpeg -i reference.mp4 -i distorted.mp4 -filter_complex psnr -f null -
ffmpeg -i reference.mp4 -i distorted.mp4 -filter_complex ssim -f null -

ffmpeg -i input.mp4 -vf signalstats -f null -

ffmpeg -i input.mp4 -vf histogram output.mp4

ffmpeg -i input.mp4 -vf waveform output.mp4
ffmpeg -i input.mp4 -vf vectorscope output.mp4

# Side by side
ffmpeg -i left.mp4 -i right.mp4 -filter_complex hstack output.mp4

# Top and bottom
ffmpeg -i top.mp4 -i bottom.mp4 -filter_complex vstack output.mp4

ffmpeg -i 1.mp4 -i 2.mp4 -i 3.mp4 -i 4.mp4 -filter_complex "xstack=inputs=4:layout=0_0|w0_0|0_h0|w0_h0" output.mp4

# Fade in first 2 seconds
ffmpeg -i input.mp4 -vf fade=in:0:60 output.mp4

# Fade out last 2 seconds
ffmpeg -i input.mp4 -vf fade=out:900:60 output.mp4

# Both
ffmpeg -i input.mp4 -vf "fade=in:0:60,fade=out:900:60" output.mp4