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Diffstat (limited to 'doc/introduction/input_output.pd')
-rw-r--r-- | doc/introduction/input_output.pd | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/doc/introduction/input_output.pd b/doc/introduction/input_output.pd new file mode 100644 index 0000000..afb1fa6 --- /dev/null +++ b/doc/introduction/input_output.pd @@ -0,0 +1,75 @@ +#N canvas 215 217 894 722 10; +#X obj 107 427 pdp_v4l; +#X obj 107 53 metro 40; +#X msg 159 14 stop; +#X msg 107 14 bang; +#X msg 51 14 bang; +#X obj 107 661 pdp_xv; +#X msg 209 93 open /dev/video0; +#X msg 209 117 open /dev/video1; +#X text 347 95 you can choose the input device using the 'open' message. +the default is /dev/video0; +#X msg 209 142 close; +#X text 348 143 closes the video port; +#X msg 209 168 type yv12; +#X msg 209 192 type grey; +#X text 348 171 type sets the ouput image package type. currently only +yv12 (luma/chroma color) and greyscale are supported.; +#X msg 210 221 dim 320 240; +#X msg 210 244 dim 640 480; +#X text 348 215 dim sets the dimensions of the captured frame. please +note that in all objects dimensions and packet type (color/greyscale) +have to be the same to be combined (i.e. mixed); +#X msg 210 556 dim 320 240; +#X msg 210 579 dim 640 480; +#X text 349 559 dim sets the window dimensions; +#X msg 210 510 create; +#X msg 210 531 destroy; +#X text 208 447 pdp_xv ouputs video in a window using the xVideo extension. +if your graphics card/driver supports it you can have multiple output +windows. if a pdp message is received and a window is not open \, one +is created automaticly.; +#X text 349 513 use these messages to explicitly create/destroy the +window; +#X text 207 18 pdp_v4l grabs video from the video4linux device. it +grabs a frame whenever a bang message is received. the output rate +is limited by the maximum framerate of the video device. if there is +no device opened \, it will attempt to open /dev/video0; +#X msg 212 627 cursor \$1; +#X obj 212 607 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 +1; +#X text 348 627 enables/disables cursor in xv window; +#X msg 210 319 channel \$1; +#X floatatom 210 295 5 0 0; +#X text 347 320 sets the v4l channel (like tuner \, composite \, svideo +\, ...); +#X floatatom 210 359 5 0 0; +#X msg 210 383 freq \$1; +#X floatatom 271 359 5 0 0; +#X msg 271 383 freqMHz \$1; +#X text 346 359 sets the v4l tuner frequency (in v4l units and MHz) +; +#X connect 0 0 5 0; +#X connect 1 0 0 0; +#X connect 2 0 1 0; +#X connect 3 0 1 0; +#X connect 4 0 0 0; +#X connect 6 0 0 0; +#X connect 7 0 0 0; +#X connect 9 0 0 0; +#X connect 11 0 0 0; +#X connect 12 0 0 0; +#X connect 14 0 0 0; +#X connect 15 0 0 0; +#X connect 17 0 5 0; +#X connect 18 0 5 0; +#X connect 20 0 5 0; +#X connect 21 0 5 0; +#X connect 25 0 5 0; +#X connect 26 0 25 0; +#X connect 28 0 0 0; +#X connect 29 0 28 0; +#X connect 31 0 32 0; +#X connect 32 0 0 0; +#X connect 33 0 34 0; +#X connect 34 0 0 0; |