manupilation of video colors

• colorbalance
  • Adjust red shadows (darkest pixels)
  • Adjust red midtones (medium pixels)
  • Adjust red highlights (brightest pixels)
  • Adjust green shadows (darkest pixels)
  • Adjust green midtones (medium pixels)
  • Adjust green highlights (brightest pixels)
  • Adjust blue shadows (darkest pixels)
  • Adjust blue midtones (medium pixels)
  • Adjust blue highlights (brightest pixels)
• hue (1) - hue angle
  • Specify the hue angle as a number of radians
  • Using expression
• hue (2) - saturation
  • Specify the saturation in the [-10,10] range
  • Using expression
• hue (3) - brightness
  • Specify the brightness in the [-10,10] range
  • Using expression
• colorchannelmixer
• selectivecolor
  • reds=’1 0 0 0’
  • reds=’0 1 0 0’
  • reds=’0 0 1 0’
  • reds=’0 0 0 1’
  • blues=’0 1 0 0’
  • whites=’0 1 0 0’
  • neutrals=’0 1 0 0’
  • blacks=’0 1 0 0’
• curves
  • `plot’ option and gnuplot
  • using your custom curve
    • Example 1
    • Example 2
  • using preset curves
    • preset=color_negative
    • preset=cross_process
    • preset=darker
    • preset=increase_contrast
    • preset=lighter
    • preset=linear_contrast
    • preset=medium_contrast
    • preset=negative
    • preset=strong_contrast
    • preset=vintage
• mergeplanes
• shuffleplanes, swapuv
  • shuffleplanes
  • swapuv
• colorlevels
  • rimin, gimin, bimin
    • Example 1
    • Example 2
    • Example 3
    • Example 4
    • Example 5
    • Example 6
  • rimax, gimax, bimax
    • Example 1
    • Example 2
    • Example 3
    • Example 4
    • Example 5
    • Example 6
  • romax, gomax, bomax
    • Example 1
    • Example 2
    • Example 3
• eq (1) - contrast
  • contrast=-2.0 … 2.0
  • Using expression
• eq (2) - brightness
  • brightness=-1.0 … 1.0
  • Using expression
• eq (3) - saturation
  • saturation=0.0 … 3.0
  • Using expression
• eq (4) - gamma
  • gamma=0.1 … 10.0
  • Using expression
• geq, vignette
  • geq
  • vignette
    • vignette + alphamerge
• lut, lutyuv, lutrgb
• Use of “geq” as “zoompan” alternative
  • ffmpeg’s “zoompan” can not “zoom out”
  • Use of “geq” as “zoompan” alternative
• alphamerge, alphaextract
• alphamerge, alphaextract (more)
  • checker board
    • bg for alpha
    • applying `alphamerge’
  • gradation
    • bg for alpha
    • applying `alphamerge’
  • wave
    • bg for alpha
    • applying `alphamerge’
    • bg for alpha
    • applying `alphamerge’
• maskedmerge
• colorkey, chromakey, chromahold
  • colorkey, chromakey
  • chromahold
• threshold
• limiter
  • setting upper bound (for the Y plane)
  • setting upper bound (for the U plane)
  • setting upper bound (for the V plane)
  • setting upper bound (for all planes)
• elbg
• deband
  • 1thr, 2thr, 3thr, 4thr
  • range
  • direction
  • blur
  • coupling
• rgbashift, chromashift
  • rgbashift
    • shifting red pixels horizontally
    • shifting red pixels vertically
    • shifting green pixels horizontally
    • shifting green pixels vertically
    • shifting blue pixels horizontally
    • shifting blue pixels vertically
  • chromashift
    • shifting chroma-blue pixels horizontally
    • shifting chroma-blue pixels vertically
    • shifting chroma-red pixels horizontally
    • shifting chroma-red pixels vertically
• floodfill
• extractplanes
• fillborders
• vibrance