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NAME blind - Collection of command line video editing utilities

DESCRIPTION blind is a collection of command line video editing utilities. blind uses a custom raw video format with a simple container. If you have a video file you want to edit, you first have to convert it with blind-from-video(1). To be able to play your video in a video play, you have to convert it with blind-to-video(1).

   Raw video takes up tremendous amount of space, you should therefore avoid
   storing the video without first convert it with blind-to-video(1).

UTILITIES blind-affine-colour(1) Apply an affine transformation to the colours in a video

   blind-apply-kernel(1)
          Apply a convolution matrix to a video

   blind-apply-palette(1)
          Apply a colour palette to a video

   blind-arithm(1)
          Perform simple arithmetic on a video

   blind-cat-cols(1)
          Place videos side by side

   blind-cat-rows(1)
          Stack videos vertically

   blind-chroma-key(1)
          Replace a colour range with transparency

   blind-colour-ciexyz(1)
          Convert CIE XYZ for use with blind-single-colour(1)

   blind-colour-matrix(1)
          Create colour space conversion matrix

   blind-colour-srgb(1)
          Convert sRGB for use with blind-single-colour(1) and colour-colour-matrix(1)

   blind-concat(1)
          Concatenate videos

   blind-cone-gradient(1)
          Generate a video with a cone gradient

   blind-convert(1)
          Change pixel format of a video

   blind-coordinate-field(1)
          Generate a video where each pixel indicate their position

   blind-crop(1)
          Extract subframes for all frames

   blind-cross-product(1)
          Calculate the cross product of colours in a video

   blind-cut(1)
          Retain consecutive frames

   blind-disperse(1)
          Framewise split a video into multiple videos

   blind-dissolve(1)
          Fade a video by chaning it's alpha channel

   blind-dot-product(1)
          Calculate the dot product of colours in a video

   blind-double-sine-wave(1)
          Apply double-sine-wave repetition to gradient

   blind-dual-key(1)
          Apply transparency to a video based on two videos and two key

   blind-extend(1)
          Add margins to a video

   blind-extract-alpha(1)
          Split a video into an alpha mask video and a colour mask video

   blind-find-rectangle(1)
          Locate a coloured rectangle

   blind-flip(1)
          Mirror a video vertically

   blind-flop(1)
          Mirror a video horizontally

   blind-from-image(1)
          Convert an image to a frame

   blind-from-named(1)
          Receive a file descriptor

   blind-from-portable(1)
          Convert a video from a portable format to a processable format

   blind-from-text(1)
          Convert text to a video

   blind-from-video(1)
          Converts a regular, cooked video to a blind video

   blind-gauss-blur(1)
          Apply Gaussian blur to a video

   blind-get-colours(1)
          Get a frame with all colours from a video

   blind-hexagon-tessellation(1)
          Create a frame with tessellated hexagons

   blind-interleave(1)
          Framewise interleave videos

   blind-invert-luma(1)
          Invert the luminosity of a video

   blind-invert-matrix(1)
          Invert matrix-video

   blind-kernel(1)
          Create a convolution matrix

   blind-linear-gradient(1)
          Generate a video with a linear gradient

   blind-make-kernel(1)
          Create a custom convolution matrix

   blind-matrix-orthoproject(1)
          Create an affine 2D-transformation matrix for othogonal projection

   blind-matrix-reflect(1)
          Create an affine 2D-transformation matrix for reflection about a line

   blind-matrix-rotate(1)
          Create an affine 2D-transformation matrix for rotation

   blind-matrix-scale(1)
          Create an affine 2D-transformation matrix for scaling

   blind-matrix-shear(1)
          Create an affine 2D-transformation matrix for shearing

   blind-matrix-translate(1)
          Create an affine 2D-transformation matrix for translation

   blind-matrix-transpose(1)
          Create an affine 2D-transformation matrix for transposition

   blind-mean(1)
          Calcuate the mean over videos for each pixel in each frame

   blind-mosaic(1)
          Redraw each frame in video as a mosaic

   blind-mosaic-corners(1)
          Find corners in a mosaic video

   blind-mosaic-edges(1)
          Find edges in a mosaic video

   blind-multiply-matrices(1)
          Multiply matrix-vidoes

   blind-next-frame(1)
          Extracts the next frame from a video

   blind-norm(1)
          Calculate the norm of colours in a video

   blind-peek-head
          Peeks the head from a video

   blind-premultiply(1)
          Premultiply the alpha channel of a video

   blind-primary-key(1)
          Replace a primary with transparency

   blind-quaternion-product(1)
          Calculate the quaternion product of colours in a video

   blind-radial-gradient(1)
          Generate a video with a radial gradient

   blind-read-head(1)
          Reads the head from a video

   blind-rectangle-tessellation(1)
          Create a frame with tessellated rectangles

   blind-repeat(1)
          Repeat a video

   blind-repeat-tessellation(1)
          Repeat a video horizontally and veritically to a specific size

   blind-reverse(1)
          Reverse a video

   blind-rewrite-head(1)
          Rewrite the head of a video

   blind-rotate-90(1)
          Rotate a video 90 degrees clockwise

   blind-rotate-180(1)
          Rotate a video 180 degrees

   blind-rotate-270(1)
          Rotate a video 270 degrees clockwise

   blind-round-wave(1)
          Apply round wave repetition to gradient

   blind-sawtooth-wave(1)
          Apply sawtooth-wave repetition to gradient

   blind-set-alpha(1)
          Multiply the alpha channel of a video

   blind-set-luma(1)
          Multiply the luminosity of a video

   blind-set-saturation(1)
          Multiply the saturation of a video

   blind-sine-wave(1)
          Apply sine-wave repetition to gradient

   blind-sinc-wave(1)
          Apply cardinal sine-wave repetition to gradient

   blind-single-colour(1)
          Generate a single-colour video

   blind-sine-wave(1)
          Apply sine-wave repetition to gradient

   blind-skip-pattern(1)
          Skips frames in a video according to pattern

   blind-spatial-arithm(1)
          Perform simple arithmetic over all pixels for each frame in a video

   blind-spatial-mean(1)
          Calculate the mean over all pixel for each frame in a video

   blind-spectrum(1)
          Transform a gradient into a spectrum

   blind-spiral-gradient(1)
          Generate a video with a spiral gradient

   blind-split(1)
          Split a video, by frame, into multiple videos

   blind-split-chans(1)
          Split colour channels into separate videos

   blind-split-cols(1)
          Split a video vertically into multiple videos

   blind-split-rows(1)
          Split a video horizontally into multiple videos

   blind-square-gradient(1)
          Generate a video with a square gradient

   blind-stack(1)
          Overlay videos

   blind-tee(1)
          /dev/fd/ aware tee(1) implementation

   blind-temporal-arithm(1)
          Perform simple arithmetic over all frames in a video for each pixel

   blind-temporal-mean(1)
          Calculate the mean over all frames in a video for each pixel

   blind-time-blur(1)
          Draw new frames on top of old frames with partial alpha

   blind-to-image(1)
          Convert a frame to an image

   blind-to-named(1)
          Send a file descriptor

   blind-to-portable(1)
          Convert a video to a portable format

   blind-to-text(1)
          Convert a video to text

   blind-to-video(1)
          Converts blind video to a regular video

   blind-transition(1)
          Turn a gradient video to transition-gradient video

   blind-translate(1)
          Perform framewise translation of a video

   blind-transpose(1)
          Transpose a video

   blind-triangle-tessellation(1)
          Create a frame with tessellated triangles

   blind-triangular-wave(1)
          Apply triangular wave repetition to gradient

   blind-unpremultiply(1)
          Unpremultiply the alpha channel of a video

   blind-vector-projection(1)
          Calculate the projection or rejection of colours in a video

   blind-write-head(1)
          Writes the head of a video

SEE ALSO ffmpeg(1), ffprobe(1), convert(1), sox(1), rubberband(1), soundstretch(1)

   blind's website: <http://tools.suckless.org/blind/>.