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-rw-r--r--modules/pdp_gradient.c334
1 files changed, 0 insertions, 334 deletions
diff --git a/modules/pdp_gradient.c b/modules/pdp_gradient.c
deleted file mode 100644
index 3af2a84..0000000
--- a/modules/pdp_gradient.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- * 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 yv12_palette_struct
-{
- short int y;
- short int u;
- short int v;
-} t_yv12_palette;
-
-typedef struct pdp_gradient_struct
-{
- t_object x_obj;
- t_float x_f;
-
- t_outlet *x_outlet0;
-
- int x_packet0;
- int x_dropped;
- int x_queue_id;
-
- t_yv12_palette x_palette[512];
-
-} t_pdp_gradient;
-
-
-unsigned int float2fixed(float f)
-{
- f *= 0x8000;
- if(f>0x7fff) f = 0x7fff;
- if(f<-0x7fff) f = -0x7fff;
- return (short int)f;
-}
-
-static void pdp_gradient_yuv_index(t_pdp_gradient *x,
- t_floatarg index,
- t_floatarg y,
- t_floatarg u,
- t_floatarg v)
-{
- int i = ((int)index) & 511;
- x->x_palette[i].y = float2fixed(y);
- x->x_palette[i].u = float2fixed(u);
- x->x_palette[i].v = float2fixed(v);
-}
-
-static void pdp_gradient_yuv(t_pdp_gradient *x,
- t_floatarg y,
- t_floatarg u,
- t_floatarg v)
-{
- int i;
- float inc = 1.0f / 256.0f;
- float frac = -1.0f;
- for(i=-256; i<256; i++) {
- pdp_gradient_yuv_index(x, i, frac*y, frac*u, frac*v);
- frac += inc;
- }
-}
-
-static void pdp_gradient_rgb_index(t_pdp_gradient *x,
- t_floatarg index,
- t_floatarg r,
- t_floatarg g,
- t_floatarg b)
-{
- float y,u,v;
-
-
- y = 0.299f * r + 0.587f * g + 0.114f * b;
- u = (r-y) * 0.713f;
- v = (b-y) * 0.565f;
-
- pdp_gradient_yuv_index(x, index, y,u,v);
-}
-
-static void pdp_gradient_rgb(t_pdp_gradient *x,
- t_floatarg r,
- t_floatarg g,
- t_floatarg b)
-{
- int i;
- float inc = 1.0f / 256.0f;
- float frac = -1.0f;
- for(i=-256; i<256; i++) {
- pdp_gradient_rgb_index(x, i, frac*r, frac*g, frac*b);
- frac += inc;
- }
-}
-
-/*
-static void pdp_gradient_hsv_index(t_pdp_gradient *x,
- t_floatarg index,
- t_floatarg h,
- t_floatarg s,
- t_floatarg v)
-{
- float r,g,b;
-
- r = h;
- g = s;
- b = v;
-
- pdp_gradient_rgb_index(x, index, r,g,b);
-}
-
-static void pdp_gradient_hsv(t_pdp_gradient *x,
- t_floatarg h,
- t_floatarg s,
- t_floatarg v)
-{
- int i;
- float inc = 1.0f / 256.0f;
- float frac = -1.0f;
- for(i=-256; i<256; i++) {
- pdp_gradient_hsv_index(x, i, h, s, frac*v);
- frac += inc;
- }
-}
-*/
-
-static void pdp_gradient_process_grey(t_pdp_gradient *x)
-{
- t_pdp *header = pdp_packet_header(x->x_packet0);
- short int *data = (short int *)pdp_packet_data (x->x_packet0);
- t_pdp *newheader = 0;
- short int *newdata = 0;
- int newpacket = -1;
-
- unsigned int w = header->info.image.width;
- unsigned int h = header->info.image.height;
-
- unsigned int size = w*h;
- unsigned int totalnbpixels = size;
- unsigned int u_offset = size;
- unsigned int v_offset = size + (size>>2);
-
- unsigned int row, col;
-
- newpacket = pdp_packet_new(PDP_IMAGE, (size + (size>>1))<<1);
- newheader = pdp_packet_header(newpacket);
- newdata = (short int *)pdp_packet_data(newpacket);
-
- newheader->info.image.encoding = PDP_IMAGE_YV12;
- newheader->info.image.width = w;
- newheader->info.image.height = h;
-
- /* convert every pixel according to palette */
- for(row=0; row < size; row += (w<<1)){
- for(col=0; col < w; col += 2){
- short int u_acc, v_acc;
- short int grey;
-
- /* top left pixel */
- grey = ((data[row+col])>>7) & 511;
- newdata[row+col] = x->x_palette[grey].y;
- u_acc = (x->x_palette[grey].u)>>2;
- v_acc = (x->x_palette[grey].v)>>2;
-
- /* top right pixel */
- grey = ((data[row+col+1])>>7) & 511;
- newdata[row+col+1] = x->x_palette[grey].y;
- u_acc += (x->x_palette[grey].u)>>2;
- v_acc += (x->x_palette[grey].v)>>2;
-
- /* bottom left pixel */
- grey = ((data[row+col+w])>>7) & 511;
- newdata[row+col+w] = x->x_palette[grey].y;
- u_acc += (x->x_palette[grey].u)>>2;
- v_acc += (x->x_palette[grey].v)>>2;
-
- /* bottom right pixel */
- grey = ((data[row+col+w+1])>>7) & 511;
- newdata[row+col+w+1] = x->x_palette[grey].y;
- u_acc += (x->x_palette[grey].u)>>2;
- v_acc += (x->x_palette[grey].v)>>2;
-
- /* store uv comp */
- newdata[u_offset + (row>>2) + (col>>1)] = u_acc;
- newdata[v_offset + (row>>2) + (col>>1)] = v_acc;
- }
- }
-
-
-
- /* delete source packet and replace with new packet */
- pdp_packet_mark_unused(x->x_packet0);
- x->x_packet0 = newpacket;
- return;
-}
-
-static void pdp_gradient_process_yv12(t_pdp_gradient *x)
-{
- /* pdp_gradient_process only the luminance channel */
- pdp_gradient_process_grey(x);
-}
-
-
-
-static void pdp_gradient_process(t_pdp_gradient *x)
-{
- int encoding;
- t_pdp *header = 0;
-
- /* check if image data packets are compatible */
- if ( (header = pdp_packet_header(x->x_packet0))
- && (PDP_IMAGE == header->type)){
-
- /* pdp_gradient_process inputs and write into active inlet */
- switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
-
- case PDP_IMAGE_YV12:
- pdp_gradient_process_yv12(x);
- break;
-
- case PDP_IMAGE_GREY:
- pdp_gradient_process_grey(x);
- break;
-
- default:
- /* don't know the type, so dont pdp_gradient_process */
-
- break;
- }
- }
-}
-
-static void pdp_gradient_sendpacket(t_pdp_gradient *x)
-{
- /* unregister and propagate if valid packet */
- pdp_pass_if_valid(x->x_outlet0, &x->x_packet0);
-}
-
-static void pdp_gradient_input_0(t_pdp_gradient *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 */
- // since the process method creates a packet, this is not processed in the thread
- // $$$TODO: fix this
- //pdp_queue_add(x, pdp_gradient_process, pdp_gradient_sendpacket, &x->x_queue_id);
- pdp_gradient_process(x);
- pdp_gradient_sendpacket(x);
- }
-
-}
-
-
-
-static void pdp_gradient_free(t_pdp_gradient *x)
-{
- pdp_queue_finish(x->x_queue_id);
- pdp_packet_mark_unused(x->x_packet0);
-
-}
-
-t_class *pdp_gradient_class;
-
-
-
-void *pdp_gradient_new(void)
-{
- int i;
-
- t_pdp_gradient *x = (t_pdp_gradient *)pd_new(pdp_gradient_class);
-
- x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
-
- x->x_packet0 = -1;
- x->x_queue_id = -1;
-
- for (i=-256; i<256; i++){
- x->x_palette[i&511].y = i << 7;
- x->x_palette[i&511].u = (-i) << 6;
- x->x_palette[i&511].v = (i) << 5;
- }
- return (void *)x;
-}
-
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-
-void pdp_gradient_setup(void)
-{
-
-
- pdp_gradient_class = class_new(gensym("pdp_gradient"), (t_newmethod)pdp_gradient_new,
- (t_method)pdp_gradient_free, sizeof(t_pdp_gradient), 0, A_NULL);
-
-
- class_addmethod(pdp_gradient_class, (t_method)pdp_gradient_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
-
- class_addmethod(pdp_gradient_class, (t_method)pdp_gradient_yuv, gensym("yuv"), A_FLOAT, A_FLOAT, A_FLOAT, A_NULL);
- class_addmethod(pdp_gradient_class, (t_method)pdp_gradient_rgb, gensym("rgb"), A_FLOAT, A_FLOAT, A_FLOAT, A_NULL);
- // class_addmethod(pdp_gradient_class, (t_method)pdp_gradient_hsv, gensym("hsv"), A_FLOAT, A_FLOAT, A_FLOAT, A_NULL);
-
-}
-
-#ifdef __cplusplus
-}
-#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-07 07:15:20 +0000