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authorTom Schouten <doelie@users.sourceforge.net>2003-01-21 10:27:33 +0000
committerTom Schouten <doelie@users.sourceforge.net>2003-01-21 10:27:33 +0000
commit9b8745d5250c9d0b60c9aa5a77f58a3fcddf1076 (patch)
tree8372b6a414a7124cec57efc9c80845e2bc1b157d /modules/pdp_chrot.c
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
Diffstat (limited to 'modules/pdp_chrot.c')
-rw-r--r--modules/pdp_chrot.c201
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