[Gridflow-cvs] [svn] commit: r5243 - /trunk/doc/flow_classes/#io.videodev-help.pd

svn-gridflow at artengine.ca svn-gridflow at artengine.ca
Sun Mar 28 15:44:46 EDT 2010


Author: matju
Date: Sun Mar 28 15:44:46 2010
New Revision: 5243

Log:
major update to this help file

Modified:
    trunk/doc/flow_classes/#io.videodev-help.pd

Modified: trunk/doc/flow_classes/#io.videodev-help.pd
==============================================================================
--- trunk/doc/flow_classes/#io.videodev-help.pd (original)
+++ trunk/doc/flow_classes/#io.videodev-help.pd Sun Mar 28 15:44:46 2010
@@ -1,77 +1,150 @@
-#N canvas 676 0 632 642 10;
+#N canvas 594 0 632 642 10;
 #X obj 0 0 doc_h;
-#X obj 26 50 #in videodev;
-#X obj 3 99 doc_c ...;
-#X obj 3 160 doc_i 1;
-#X obj 3 898 doc_o 1;
-#X obj 3 995 doc_also;
-#X obj 103 995 #io:quicktimecamera;
-#X msg 28 129 open videodev /dev/video0;
-#X obj 14 190 doc_ii 0;
-#X obj 97 210 doc_m i0 brightness;
-#X obj 97 539 doc_m i0 hue;
-#X obj 97 338 doc_m i0 colour;
-#X obj 97 378 doc_m i0 contrast;
-#X obj 97 868 doc_m i0 whiteness;
-#X obj 97 418 doc_m i0 get;
-#X obj 97 519 doc_m i0 help;
-#X obj 97 230 doc_m i0 channel;
-#X obj 97 768 doc_m i0 tuner;
-#X obj 97 579 doc_m i0 norm;
-#X obj 97 398 doc_m i0 frequency;
-#X obj 97 619 doc_m i0 transfer symbol;
-#X text 232 619 "read";
-#X text 232 663 "mmap": \$1=nframes (default:2);
-#X text 232 685 This is the normal (and fast) way of transferring pictures
-from the camera.;
-#X text 232 641 Some cameras/drivers only support this instead of mmap.
-;
-#X obj 97 828 doc_m i0 white_red;
-#X obj 97 788 doc_m i0 white_blue;
-#X obj 97 848 doc_m i0 white_speed;
-#X obj 97 808 doc_m i0 white_delay;
-#X obj 97 190 doc_m i0 auto_gain;
-#X obj 97 559 doc_m i0 noise_reduction;
-#X obj 97 358 doc_m i0 compression;
-#X obj 97 250 doc_m i0 colorspace;
-#X text 232 250 "y":;
-#X text 232 272 "yuv":;
-#X text 232 294 "rgb":;
-#X text 232 316 "magic":;
-#X obj 97 599 doc_m i0 size;
-#X text 188 764 \$1=y \$2=x;
-#X text 232 453 "min": minimum values for "size";
-#X text 232 475 "max": maximum values for "size";
-#X text 232 497 default: gets all attributes.;
-#X text 232 418 gets a specific attribute. a message is sent through
+#X obj 3 276 doc_i 1;
+#X obj 3 1302 doc_o 1;
+#X obj 3 1399 doc_also;
+#X obj 103 1399 #io:quicktimecamera;
+#X obj 14 306 doc_ii 0;
+#X obj 97 328 doc_m i0 brightness;
+#X obj 97 827 doc_m i0 hue;
+#X obj 97 564 doc_m i0 colour;
+#X obj 97 621 doc_m i0 contrast;
+#X obj 97 1257 doc_m i0 whiteness;
+#X obj 97 678 doc_m i0 get;
+#X obj 97 779 doc_m i0 help;
+#X obj 97 350 doc_m i0 channel;
+#X obj 97 1134 doc_m i0 tuner;
+#X obj 97 884 doc_m i0 norm;
+#X obj 97 643 doc_m i0 frequency;
+#X obj 97 994 doc_m i0 transfer symbol;
+#X obj 97 1213 doc_m i0 white_red;
+#X obj 97 1169 doc_m i0 white_blue;
+#X obj 97 1235 doc_m i0 white_speed;
+#X obj 97 1191 doc_m i0 white_delay;
+#X obj 97 306 doc_m i0 auto_gain;
+#X obj 97 849 doc_m i0 noise_reduction;
+#X obj 97 586 doc_m i0 compression;
+#X obj 97 411 doc_m i0 colorspace;
+#X obj 97 972 doc_m i0 size;
+#X text 232 972 \$1=y \$2=x;
+#X text 232 713 "min": minimum values for "size";
+#X text 232 735 "max": maximum values for "size";
+#X text 232 757 default: gets all attributes.;
+#X text 232 678 gets a specific attribute. a message is sent through
 right outlet.;
-#X text 232 720 In case of mmap \, the extra numeric argument sets
+#X text 232 1064 In case of mmap \, the extra numeric argument sets
 the queue length in number of frames \, so you can select an appropriate
 tradeoff between efficiency and latency.;
-#X obj 0 1015 doc_f;
-#X obj 229 995 #io.dc1394;
-#X obj 14 928 doc_oo 0;
-#X obj 97 928 doc_m o0 grid;
-#X obj 97 950 doc_m o0 <any>;
-#X text 232 928 image coming out;
-#X text 232 950 most any inlet 0 message is also an outlet 0 message
+#X obj 0 1419 doc_f;
+#X obj 229 1399 #io.dc1394;
+#X obj 14 1332 doc_oo 0;
+#X obj 97 1332 doc_m o0 grid;
+#X obj 97 1354 doc_m o0 <any>;
+#X text 232 1332 image coming out;
+#X text 232 1354 most any inlet 0 message is also an outlet 0 message
 whose output can be triggered using 'get'.;
-#X text 130 51 get images from a V4L1 camera interface.;
-#X text 130 66 this is for Linux only.;
-#X connect 5 1 6 0;
-#X connect 5 1 45 0;
-#X connect 14 1 42 0;
-#X connect 14 1 39 0;
-#X connect 14 1 40 0;
-#X connect 14 1 41 0;
-#X connect 20 1 21 0;
-#X connect 20 1 24 0;
-#X connect 20 1 22 0;
-#X connect 20 1 23 0;
-#X connect 20 1 43 0;
-#X connect 32 1 33 0;
-#X connect 32 1 34 0;
-#X connect 32 1 35 0;
-#X connect 32 1 36 0;
-#X connect 47 1 49 0;
-#X connect 48 1 50 0;
+#X text 353 27 get images from a V4L1 camera interface.;
+#X text 353 42 this is for Linux only.;
+#X obj 41 153 print;
+#X obj 3 198 doc_c ...;
+#X msg 29 237 open videodev /dev/video0;
+#X text 224 232 you can send this to an [#in] \, but you could use
+[#camera] instead.;
+#X msg 32 94 open videodev /dev/video0 \, get;
+#X text 223 93 for any V4L1 camera;
+#X msg 38 114 open videodev /dev/video0 \, pwc \, get;
+#X text 257 113 for PWC V4L1 cameras only;
+#X text 258 127 (this can cause problems with some non-PWC drivers)
+;
+#X obj 26 134 #in;
+#X obj 26 74 metro 100;
+#X obj 26 57 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0 1
+;
+#X text 232 306 0..65535: some other kind of contrast setting (PWC
+only);
+#X text 232 350 connector selector : for example \, BTTV cards might
+have channel 1 as the RCA Composite input \, but have channels numbered
+0 \, 2 and 3 \, with different kinds of plugs. do not confuse this
+name with the channels in a colorspace.;
+#X text 232 411 "y": 1 channel: grey;
+#X text 232 433 "yuv": 3 channels: grey \, blue-yellow \, red-cyan.
+;
+#X text 232 455 "rgb": 3 channels: red \, green \, blue.;
+#X text 232 477 "magic": 3 channels like "yuv" \, with two exceptions
+: pixel values go from 16 to 239 (as given by video cards) instead
+of 0 to 255 \, and also \, picture size is half-width \, half-height
+\, as Y is shrunk to fit UV \, instead of UV being stretched to fit
+Y. this is designed to be used with the YUV420P (palette 15) mode only.
+;
+#X text 232 564 0..65535: also called "saturation";
+#X text 232 621 0..65535: the main contrast setting;
+#X text 232 643 0..65535: for picking up a station on a TV channel.
+you need to find country-specific tunings for this.;
+#X text 232 779 actually a GF-wide option. this prints a list of all
+attribute names in the console. but this helppatch should be more helpful
+than the "help" method. :);
+#X text 232 827 0..65535: the main hueshift setting;
+#X text 232 586 0..3: a PWC-only setting \, but I don't have a PWC
+camera that actually supports this.;
+#X text 232 849 0..3: a PWC-only setting \, but I don't have a PWC
+camera that actually supports this.;
+#X text 232 884 0: PAL;
+#X text 232 906 1: NTSC;
+#X text 232 928 2: SECAM;
+#X text 232 950 3: auto;
+#X text 232 994 "read": Some cameras/drivers only support this instead
+of mmap.;
+#X text 232 1029 "mmap": \$1=nframes (default:2) is the normal (and
+fast) way of transferring pictures from the camera.;
+#X text 232 1134 to pick UHF \, VHF \, ... or something like that.
+usually unused.;
+#X text 232 1169 0..65535: offset for the V channel (blue-yellow balance)
+;
+#X text 232 1213 0..65535: offset for the U channel (red-cyan balance)
+;
+#X text 232 1191 i don't really know this;
+#X text 232 1235 i don't really know this;
+#X text 232 1257 0..65535: another setting similar to brightness and
+contrast.;
+#X text 232 328 0..65535: the main brightness setting;
+#X connect 3 1 4 0;
+#X connect 3 1 34 0;
+#X connect 6 1 79 0;
+#X connect 7 1 64 0;
+#X connect 8 1 60 0;
+#X connect 9 1 61 0;
+#X connect 10 1 78 0;
+#X connect 11 1 31 0;
+#X connect 11 1 28 0;
+#X connect 11 1 29 0;
+#X connect 11 1 30 0;
+#X connect 12 1 63 0;
+#X connect 13 1 55 0;
+#X connect 14 1 73 0;
+#X connect 15 1 67 0;
+#X connect 15 1 68 0;
+#X connect 15 1 69 0;
+#X connect 15 1 70 0;
+#X connect 16 1 62 0;
+#X connect 17 1 71 0;
+#X connect 17 1 72 0;
+#X connect 17 1 32 0;
+#X connect 18 1 75 0;
+#X connect 19 1 74 0;
+#X connect 20 1 77 0;
+#X connect 21 1 76 0;
+#X connect 22 1 54 0;
+#X connect 23 1 66 0;
+#X connect 24 1 65 0;
+#X connect 25 1 56 0;
+#X connect 25 1 57 0;
+#X connect 25 1 58 0;
+#X connect 25 1 59 0;
+#X connect 26 1 27 0;
+#X connect 36 1 38 0;
+#X connect 37 1 39 0;
+#X connect 46 0 51 0;
+#X connect 48 0 51 0;
+#X connect 51 1 42 0;
+#X connect 52 0 51 0;
+#X connect 53 0 52 0;



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