diff options
| -rwxr-xr-x | doc/pdp_vloopback-help.pd | 16 | ||||
| -rwxr-xr-x | modules/pdp_vloopback.c | 27 |
2 files changed, 38 insertions, 5 deletions
diff --git a/doc/pdp_vloopback-help.pd b/doc/pdp_vloopback-help.pd index 62a84ae..4401d72 100755 --- a/doc/pdp_vloopback-help.pd +++ b/doc/pdp_vloopback-help.pd @@ -1,4 +1,4 @@ -#N canvas 261 169 712 664 10; +#N canvas 265 177 760 664 10; #X obj 159 72 bng 15 250 50 0 empty empty empty 20 8 0 8 -262144 -1 -1; #X msg 217 112 open \$1; @@ -38,12 +38,16 @@ that supports v4l input ( skype \, webcamstudio \, ... ); #X msg 66 97 loop 1; #X obj 217 409 pdp_xv; #X text 382 374 default /dev/video1; -#X msg 357 306 open /dev/video1; -#X msg 359 334 close; -#X text 464 304 open a vloopback device; -#X text 400 334 close a vloopback device; +#X msg 362 274 open /dev/video1; +#X msg 364 302 close; +#X text 469 272 open a vloopback device; +#X text 405 302 close a vloopback device; #X floatatom 369 410 5 0 0 0 - - -; #X text 411 407 number of frames written; +#X msg 365 332 invert \$1; +#X obj 433 333 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0 +1; +#X text 455 331 invert red and blue channels ( default : 1 ); #X connect 0 0 6 0; #X connect 1 0 7 0; #X connect 2 0 1 0; @@ -73,3 +77,5 @@ that supports v4l input ( skype \, webcamstudio \, ... ); #X connect 29 0 7 0; #X connect 32 0 17 0; #X connect 33 0 17 0; +#X connect 38 0 17 0; +#X connect 39 0 38 0; diff --git a/modules/pdp_vloopback.c b/modules/pdp_vloopback.c index 12f9e31..c475d6f 100755 --- a/modules/pdp_vloopback.c +++ b/modules/pdp_vloopback.c @@ -59,6 +59,7 @@ typedef struct pdp_vloopback_struct t_outlet *x_outlet1; int x_nbframes; + int x_invertrb; struct video_window x_vidwin; struct video_picture x_vidpic; @@ -201,6 +202,8 @@ static void pdp_vloopback_process_rgb(t_pdp_vloopback *x) { t_pdp *header = pdp_packet_header(x->x_packet0); char *data = (char *)pdp_packet_data(x->x_packet0); + char cvalue; + unsigned int px,py; int written, flength; if ( !x->x_initialized ) @@ -218,6 +221,20 @@ static void pdp_vloopback_process_rgb(t_pdp_vloopback *x) // output the image flength = x->x_width*x->x_height*3; + // invert red and blue channels ( with webcamstudio module ) + if ( x->x_invertrb ) + { + for ( py=0; py<x->x_height; py++ ) + { + for ( px=0; px<x->x_width; px++ ) + { + cvalue=*(data+3*py*x->x_width+3*px); + *(data+3*py*x->x_width+3*px)=*(data+3*py*x->x_width+3*px+2); + *(data+3*py*x->x_width+3*px+2)=cvalue; + } + } + } + if ( ( written = write(x->x_vlfd, data, flength) ) != flength ) { post( "pdp_vloopback : problem writing frame...closing" ); @@ -278,6 +295,14 @@ static void pdp_vloopback_input_0(t_pdp_vloopback *x, t_symbol *s, t_floatarg f) } } +static void pdp_vloopback_invertrb(t_pdp_vloopback *x, t_floatarg finvert) +{ + if ( ((int)finvert == 0) || ((int)finvert == 1) ) + { + x->x_invertrb = (int)finvert; + } +} + static void pdp_vloopback_free(t_pdp_vloopback *x) { pdp_vloopback_close(x); @@ -294,6 +319,7 @@ void *pdp_vloopback_new(t_symbol *vdev) x->x_initialized = false; x->x_nbframes = 0; + x->x_invertrb = 1; x->x_packet0 = -1; x->x_packet1 = -1; @@ -330,6 +356,7 @@ void pdp_vloopback_setup(void) class_addmethod(pdp_vloopback_class, (t_method)pdp_vloopback_close, gensym("close"), A_NULL); class_addmethod(pdp_vloopback_class, (t_method)pdp_vloopback_open, gensym("open"), A_SYMBOL, A_NULL); class_addmethod(pdp_vloopback_class, (t_method)pdp_vloopback_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_vloopback_class, (t_method)pdp_vloopback_invertrb, gensym("invert"), A_DEFFLOAT, A_NULL); } |