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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_gain.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_gain.c')
-rw-r--r--modules/pdp_gain.c227
1 files changed, 227 insertions, 0 deletions
diff --git a/modules/pdp_gain.c b/modules/pdp_gain.c
new file mode 100644
index 0000000..a334656
--- /dev/null
+++ b/modules/pdp_gain.c
@@ -0,0 +1,227 @@
+/*
+ * 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"
+
+
+
+typedef struct pdp_gain_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+
+ int x_packet0;
+ int x_dropped;
+ int x_queue_id;
+
+ void *x_gain_y;
+ void *x_gain_v;
+ void *x_gain_u;
+
+} t_pdp_gain;
+
+
+
+static void pdp_gain_process_yv12(t_pdp_gain *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;
+
+ short int * idata = (short int *)data0;
+ unsigned int size = w*h;
+
+ pdp_imageproc_gain_process(x->x_gain_y, idata, w, h);
+ pdp_imageproc_gain_process(x->x_gain_u, idata + size, w>>1, h>>1);
+ pdp_imageproc_gain_process(x->x_gain_v, idata + size + (size>>2) , w>>1, h>>1);
+
+
+ return;
+
+
+}
+static void pdp_gain_process_grey(t_pdp_gain *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;
+ short int * idata = (short int *)data0;
+
+ pdp_imageproc_gain_process(x->x_gain_y, idata, w, h);
+
+ return;
+
+
+}
+
+static void pdp_gain_process(t_pdp_gain *x)
+{
+ t_pdp *header0 = pdp_packet_header(x->x_packet0);
+
+ /* check data packets */
+
+ if ((header0) && (PDP_IMAGE == header0->type)){
+
+ /* pdp_gain_process inputs and write into active inlet */
+ switch(header0->info.image.encoding){
+
+ case PDP_IMAGE_YV12:
+ pdp_gain_process_yv12(x);
+ break;
+
+ case PDP_IMAGE_GREY:
+ pdp_gain_process_grey(x);
+ break;
+
+ default:
+ break;
+ /* don't know the type, so dont process */
+
+ }
+ }
+
+}
+
+
+static void pdp_gain_sendpacket(t_pdp_gain *x)
+{
+ /* unregister and propagate if valid packet */
+ pdp_pass_if_valid(x->x_outlet0, &x->x_packet0);
+}
+
+static void pdp_gain_input_0(t_pdp_gain *x, t_symbol *s, t_floatarg f)
+{
+
+ int p = (int)f;
+ int passes, i;
+
+ 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_gain_process, pdp_gain_sendpacket, &x->x_queue_id);
+ }
+
+}
+
+
+
+
+static void pdp_gain_gainy(t_pdp_gain *x, t_floatarg f)
+{
+ pdp_imageproc_gain_setgain(x->x_gain_y, f);
+}
+
+static void pdp_gain_gainv(t_pdp_gain *x, t_floatarg f)
+{
+ pdp_imageproc_gain_setgain(x->x_gain_v, f);
+}
+
+static void pdp_gain_gainu(t_pdp_gain *x, t_floatarg f)
+{
+ pdp_imageproc_gain_setgain(x->x_gain_u, f);
+}
+
+static void pdp_gain_gain(t_pdp_gain *x, t_floatarg f)
+{
+ pdp_gain_gainy(x, f);
+ pdp_gain_gainv(x, f);
+ pdp_gain_gainu(x, f);
+
+}
+
+
+
+t_class *pdp_gain_class;
+
+
+
+void pdp_gain_free(t_pdp_gain *x)
+{
+ pdp_queue_finish(x->x_queue_id);
+ pdp_imageproc_gain_delete(x->x_gain_y);
+ pdp_imageproc_gain_delete(x->x_gain_u);
+ pdp_imageproc_gain_delete(x->x_gain_v);
+}
+
+void *pdp_gain_new(t_floatarg f)
+{
+ t_pdp_gain *x = (t_pdp_gain *)pd_new(pdp_gain_class);
+
+
+ /* no arg, or zero -> gain = 1 */
+ if (f==0.0f) f = 1.0f;
+
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("gain"));
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_packet0 = -1;
+ x->x_queue_id = -1;
+
+ x->x_gain_y = pdp_imageproc_gain_new();
+ x->x_gain_u = pdp_imageproc_gain_new();
+ x->x_gain_v = pdp_imageproc_gain_new();
+ pdp_gain_gain(x, f);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_gain_setup(void)
+{
+
+
+ pdp_gain_class = class_new(gensym("pdp_gain"), (t_newmethod)pdp_gain_new,
+ (t_method)pdp_gain_free, sizeof(t_pdp_gain), 0, A_DEFFLOAT, A_NULL);
+
+
+ class_addmethod(pdp_gain_class, (t_method)pdp_gain_gain, gensym("gain"), A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_gain_class, (t_method)pdp_gain_gainy, gensym("y"), A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_gain_class, (t_method)pdp_gain_gainu, gensym("v"), A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_gain_class, (t_method)pdp_gain_gainv, gensym("u"), A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_gain_class, (t_method)pdp_gain_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif