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This is a list of all pdp objects and abstractions with a minimal description.
Take a look at the patches in the doc/ directory for more info.
(Messy doc & test patches can be found in the test/ directory.)
general purpose pdp modules:
pdp_del a packet delay line
pdp_reg a packet register
pdp_snap takes a snapshot of a packet stream
pdp_trigger similar to pd's trigger object
pdp_route routes a packet to a specific outlet
pdp_loop a packet loop sampler (packet array)
pdp_description output a symbol describing the packet type
pdp_convert convert between packet types
pdp_metro~ audio/video sync object
image inputs/outputs:
pdp_xv displays images using the xvideo extension
pdp_glx displays images using opengl
pdp_v4l reads images from a video4linux device
pdp_qt reads quicktime movies
pdp_rawin read packets from pipe or file
pdp_rawout write packets to pipe or file
pdp_rawout~ write audio to pipe or file
image processors:
pdp_abs absolute value
pdp_add adds two images
pdp_and bitwize and
pdp_array2grey convert pd array to greyscale image
pdp_grey2array convert greyscale image to pd array
pdp_bitdepth set bit depth
pdp_bitmask apply a bit mask
pdp_bq spatial biquad filter
pdp_bqt temporal biquad filter
pdp_cog gaussian blob estimator
pdp_constant fills an image with a constant
pdp_conv horizontal/vertical seperable convolution filter
pdp_cheby chebyshev color shaper
pdp_chrot rotates the chroma components
pdp_flip_lr flip left <-> right
pdp_flip_tb flip top <-> bottom
pdp_grey converts an image to greyscale
pdp_grey2mask converts a greyscale image to an image mask
pdp_hthresh hard thresholding
pdp_mul multiplies two images
pdp_mix crossfade between 2 images
pdp_mix2 mixes 2 images after applying a gain to each of them
pdp_noise a noise generator
pdp_not bitwize not
pdp_or bitwize or
pdp_plasma plasma generator
pdp_pointcloud convert an image to a point cloud
pdp_positive sign function that creates a bitmask
pdp_randmix crossfades 2 images by taking random pixels
pdp_rotate tiled rotate
pdp_scale rescale an image
pdp_sign sign function
pdp_sthresh soft thresholding
pdp_zoom tiled zoom
pdp_zrot tiled zoom + rotate
pdp_zthresh zero threshold (x<0 -> 0)
pdp_xor bitwize xor
dsp objects
pdp_scope~ a very simple oscilloscope
pdp_scan~ phase input scanned synthesis oscillator
pdp_scanxy~ x,y coordinate input scanned synthesis oscillator
utility abstractions
pdp_pps computes the packet rate in packets/sec
image abstractions
pdp_affine scale (gain) + offset
pdp_agc automatic gain control (intensity maximizer)
pdp_alledge an all edge detector
pdp_blur blurs an image
pdp_blur_hor horizontal blur
pdp_blur_ver vertical blur
pdp_contrast contrast enhancement
pdp_conv_alledge edge detector
pdp_conv_emboss emboss effect
pdp_conv_smooth smoothing
pdp_conv_sobel_hor horizontal sobel edge detector
pdp_conv_sobel_ver vertical sobel edge detector
pdp_conv_sobel_edge sum of squares of hor and ver edge detector
pdp_dither a dither effect
pdp_gain3 independent channel gains
pdp_gradient grayscale to colour gradient conversion
pdp_grey convert image to greyscale
pdp_invert invert video
pdp_motion_blur blurs motion
pdp_motion_fade motion triggered fade out
pdp_motion_phase phase shifts motion
pdp_offset add an offset to an image
pdp_phase applies an allpass filter to an image
pdp_phase_hor horizontal allpass
pdp_phase_ver vertical allpass
pdp_png_to convert a png file (on disk) to a certain packet type
pdp_qt_control movie file controller (different play modes)
pdp_qtloop~ varispeed (interpolated) looper
pdp_qtloop2~ same, but depends on tabreadmix~ from creb
pdp_saturation change colour saturation
pdp_save_png_sequence save png sequence in /tmp dir
pdp_sub subtract 2 images
pdp_invert inverse video
pdp_tag tag a packet (to use it with route)
pdp_xv_keycursor a keyboard/mouse controller using pdp_xv
matrix processors
pdp_m_mv matrix vector multiply
pdp_m_mm matrix matrix multiply
pdp_m_+=mm matrix matrix multiply add
pdp_m_LU compute LU decomposition
pdp_m_LU_inverse compute matrix inverse from LU decomp
pdp_m_LU_solve solve a linear system using LU decomp
matrix abstractions
pdp_m_inverse compute matrix inverse
SEPARATE LIBRARIES:
cellular automata
(pdp_scaf)
pdp_ca computes a cellular automaton (as a generator or a filter)
pdp_ca2image convert a CA packet to a greyscale image (obsolete: use pdp_convert)
pdp_image2ca convert an image to a CA packet (black and white) (obsolete: use pdp_convert)
3d drawing objects
(pdp_opengl)
3dp_windowcontext a drawable window
3dp_draw draw objects (cube, sphere, ...)
3dp_view viewing transforms (rotate, translate, ...)
3dp_light light source
3dp_push push a matrix (modelview, texture, ...)
3dp_dlist compile a display list
3dp_snap copies the drawing buffer to a texture packet
3dp_mode set the current matrix mode
3dp_toggle set some opengl state variables
3d drawing abstractions (pdp_opengl)
3dp_mouserotate connect to 3dp_windowcontext to rotate the scene
3dp_blend turn on accumulative blending mode
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