This commit was generated by cvs2svn to compensate for changes in r352,svn2git-root

which included commits to RCS files with non-trunk default branches.

svn path=/trunk/externals/pdp/; revision=353

1 files changed, 201 insertions, 0 deletions

diff --git a/modules/pdp_chrot.c b/modules/pdp_chrot.c
new file mode 100644
index 0000000..5181195
--- /dev/null
+++ b/modules/pdp_chrot.c
@@ -0,0 +1,201 @@
+/*
+ *   Pure Data Packet module.
+ *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_mmx.h"
+#include <math.h>
+
+
+typedef struct pdp_chrot_struct
+{
+    t_object x_obj;
+    t_float x_f;
+
+    t_outlet *x_outlet0;
+
+    int x_packet0;
+    int x_queue_id;
+    int x_dropped;          // indicate if a packet was dropped during register_rw cycle
+
+    int x_channel;
+
+    float x_matrix[4];
+
+    void *x_crot2d;
+
+} t_pdp_chrot;
+
+
+
+static void pdp_chrot_process_yv12(t_pdp_chrot *x)
+{
+    t_pdp *header0 = pdp_packet_header(x->x_packet0);
+    void  *data0   = pdp_packet_data  (x->x_packet0);
+
+    unsigned int w = header0->info.image.width;
+    unsigned int h = header0->info.image.height;
+
+    unsigned int size = w*h;
+    unsigned int v_offset = size;
+
+    short int * idata = (short int *)data0;
+
+    
+    /* color rotation for 2 colour planes */
+    pdp_imageproc_crot2d_process(x->x_crot2d, idata + v_offset, w>>1, h>>1);
+
+
+    return;
+
+
+}
+
+static void pdp_chrot_process(t_pdp_chrot *x)
+{
+    t_pdp *header0 = pdp_packet_header(x->x_packet0);
+
+    /* check data packets */
+
+    if ((header0) && (PDP_IMAGE == header0->type)){
+
+	/* pdp_chrot_process inputs and write into active inlet */
+	switch(header0->info.image.encoding){
+
+	case PDP_IMAGE_YV12:
+	    pdp_chrot_process_yv12(x);
+	    break;
+
+	case PDP_IMAGE_GREY:
+	    break;
+
+	default:
+	    break;
+	    /* don't know the type, so dont pdp_chrot_process */
+	    
+	}
+    }
+
+}
+
+static void pdp_chrot_sendpacket(t_pdp_chrot *x)
+{
+    /* unregister and propagate if valid packet */
+    pdp_pass_if_valid(x->x_outlet0, &x->x_packet0);
+}
+
+static void pdp_chrot_input_0(t_pdp_chrot *x, t_symbol *s, t_floatarg f)
+{
+
+    int p = (int)f;
+
+    if (s== gensym("register_rw"))  x->x_dropped = pdp_packet_copy_rw_or_drop(&x->x_packet0, p);
+
+
+    if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){
+
+
+	/* add the process method and callback to the process queue */
+
+	pdp_queue_add(x, pdp_chrot_process, pdp_chrot_sendpacket, &x->x_queue_id);
+    }
+
+}
+
+
+static void pdp_chrot_setelement(t_pdp_chrot *x, int element, float f)
+{
+    x->x_matrix[element] = f;
+	
+}
+
+static void pdp_chrot_angle_radians(t_pdp_chrot *x, t_floatarg angle)
+{
+    float c = cos(angle);
+    float s = sin(angle);
+
+    pdp_chrot_setelement(x, 0, c);
+    pdp_chrot_setelement(x, 1, s);
+    pdp_chrot_setelement(x, 2, -s);
+    pdp_chrot_setelement(x, 3, c);
+
+    pdp_imageproc_crot2d_setmatrix(x->x_crot2d, x->x_matrix);
+}
+
+static void pdp_chrot_angle_degrees(t_pdp_chrot *x, t_floatarg angle)
+{
+    pdp_chrot_angle_radians(x, (angle * (M_PI / 180.f)));
+
+}
+
+static void pdp_chrot_free(t_pdp_chrot *x)
+{
+    pdp_queue_finish(x->x_queue_id);
+    pdp_imageproc_crot2d_delete(x->x_crot2d);
+    pdp_packet_mark_unused(x->x_packet0);
+
+}
+
+t_class *pdp_chrot_class;
+
+
+
+void *pdp_chrot_new(t_floatarg f)
+{
+    t_pdp_chrot *x = (t_pdp_chrot *)pd_new(pdp_chrot_class);
+
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("angle"));
+
+    x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); 
+
+    x->x_packet0 = -1;
+    x->x_queue_id = -1;
+
+    x->x_crot2d = pdp_imageproc_crot2d_new();
+    pdp_chrot_angle_radians(x, 0.0f);
+
+
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_chrot_setup(void)
+{
+
+
+    pdp_chrot_class = class_new(gensym("pdp_chrot"), (t_newmethod)pdp_chrot_new,
+    	(t_method)pdp_chrot_free, sizeof(t_pdp_chrot), 0, A_DEFFLOAT, A_NULL);
+
+
+    class_addmethod(pdp_chrot_class, (t_method)pdp_chrot_angle_degrees, gensym("angle"),  A_DEFFLOAT, A_NULL);   
+    class_addmethod(pdp_chrot_class, (t_method)pdp_chrot_input_0, gensym("pdp"),  A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif