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Diffstat (limited to 'doc/objects/pdp_v4l.pd')
| -rw-r--r-- | doc/objects/pdp_v4l.pd | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/doc/objects/pdp_v4l.pd b/doc/objects/pdp_v4l.pd new file mode 100644 index 0000000..3b1ea9d --- /dev/null +++ b/doc/objects/pdp_v4l.pd @@ -0,0 +1,71 @@ +#N canvas 283 209 927 686 10; +#X obj 107 53 metro 40; +#X msg 159 14 stop; +#X msg 107 14 bang; +#X msg 51 14 bang; +#X msg 210 132 open /dev/video0; +#X msg 210 156 open /dev/video1; +#X text 348 128 you can choose the input device using the 'open' message. +the default is /dev/video0; +#X msg 210 181 close; +#X text 349 182 closes the video port; +#X msg 210 207 type yv12; +#X msg 210 231 type grey; +#X text 349 210 type sets the ouput image package type. currently only +yv12 (luma/chroma color) and greyscale are supported.; +#X msg 211 260 dim 320 240; +#X msg 211 283 dim 640 480; +#X msg 212 336 channel \$1; +#X floatatom 212 312 5 0 0 0 - - -; +#X floatatom 210 459 5 0 0 0 - - -; +#X msg 210 483 freq \$1; +#X floatatom 271 459 5 0 0 0 - - -; +#X msg 271 483 freqMHz \$1; +#X text 346 459 sets the v4l tuner frequency (in v4l units and MHz) +; +#X obj 107 580 pdp_help_output; +#X text 348 526 creation arguments: <input device> <capture format> +; +#X text 347 620 i.e. if you get weird colours \, try; +#X obj 601 620 pdp_v4l /dev/video RGB24; +#X text 206 14 pdp_v4l grabs video from the video4linux device. it +sends out the most recently grabbed frame whenever a bang message is +received \, and will then discard that frame (it will be sent out on +time at most). the output framerate is limited by the device only. +; +#X text 206 89 (to make sure you receive every frame with little jitter +\, poll pdp_v4l with a high rate metronome); +#X text 348 554 capture format can be one of "auto" \, "YUV420P" \, +"YUV422" \, "RGB24" or "RGB32". for most cards autodetect (default) +should work. if not \, add the desired capture format argument when +you create a pdp_v4l object.; +#X obj 107 527 pdp_v4l; +#X text 349 338 sets the v4l channel (like tuner \, composite \, svideo +\, ...); +#X msg 212 366 norm PAL; +#X msg 211 410 norm SECAM; +#X msg 211 388 norm NTSC; +#X msg 211 431 norm AUTO; +#X text 349 377 sets the video norm; +#X connect 0 0 28 0; +#X connect 1 0 0 0; +#X connect 2 0 0 0; +#X connect 3 0 28 0; +#X connect 4 0 28 0; +#X connect 5 0 28 0; +#X connect 7 0 28 0; +#X connect 9 0 28 0; +#X connect 10 0 28 0; +#X connect 12 0 28 0; +#X connect 13 0 28 0; +#X connect 14 0 28 0; +#X connect 15 0 14 0; +#X connect 16 0 17 0; +#X connect 17 0 28 0; +#X connect 18 0 19 0; +#X connect 19 0 28 0; +#X connect 28 0 21 0; +#X connect 30 0 28 0; +#X connect 31 0 28 0; +#X connect 32 0 28 0; +#X connect 33 0 28 0; |