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authorN.N. <sevyves@users.sourceforge.net>2010-08-15 17:19:04 +0000
committerN.N. <sevyves@users.sourceforge.net>2010-08-15 17:19:04 +0000
commit64e5eee3e7bcbb2c8469d8daafd18a166a1968f0 (patch)
tree401bb97735d1756885c8f2da686636bce34b22ec /modules
parent70276678d4cadf6249c9b3e0cbcfa6b55086d358 (diff)
invert red and blue channels
svn path=/trunk/externals/pidip/; revision=13799
Diffstat (limited to 'modules')
-rwxr-xr-xmodules/pdp_vloopback.c27
1 files changed, 27 insertions, 0 deletions
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);
}