aboutsummaryrefslogtreecommitdiff
path: root/modules/pdp_slice_glue.c
diff options
context:
space:
mode:
Diffstat (limited to 'modules/pdp_slice_glue.c')
-rw-r--r--modules/pdp_slice_glue.c214
1 files changed, 0 insertions, 214 deletions
diff --git a/modules/pdp_slice_glue.c b/modules/pdp_slice_glue.c
deleted file mode 100644
index 601bd32..0000000
--- a/modules/pdp_slice_glue.c
+++ /dev/null
@@ -1,214 +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.
- *
- */
-
-
-/* this module converts a greyscale image or the luma channel of a colour image
- to a colour image intensity mask, usable for multiplication */
-
-#include "pdp.h"
-#include "pdp_resample.h"
-
-typedef struct pdp_slice_glue_struct
-{
- t_object x_obj;
- t_float x_f;
-
- t_outlet *x_outlet0;
-
- int x_packet0; //input packet
- int x_packet1; //output packet
-
-} t_pdp_slice_glue;
-
-
-
-static void pdp_slice_glue_process_grey(t_pdp_slice_glue *x)
-{
- t_pdp *header0 = pdp_packet_header(x->x_packet0);
- t_pdp *header1 = pdp_packet_header(x->x_packet1);
- short int *data0 = (short int *)pdp_packet_data (x->x_packet0);
- short int *data1 = (short int *)pdp_packet_data (x->x_packet1);
-
-
- unsigned int offset = header0->info.image.width * header0->info.image.slice_yoff;
- unsigned int slice_size = header0->info.image.width * header0->info.image.height;
-
- memcpy(data1 + offset, data0, slice_size << 1);
-
-
- return;
-}
-
-static void pdp_slice_glue_process_yv12(t_pdp_slice_glue *x)
-{
-
- t_pdp *header0 = pdp_packet_header(x->x_packet0);
- t_pdp *header1 = pdp_packet_header(x->x_packet1);
- short int *data0 = (short int *)pdp_packet_data (x->x_packet0);
- short int *data1 = (short int *)pdp_packet_data (x->x_packet1);
-
- unsigned int w = header0->info.image.width;
- unsigned int h = header0->info.image.height;
-
- unsigned int dw = header1->info.image.width;
- unsigned int dh = header1->info.image.height;
- unsigned int dsize = dh*dw;
-
- unsigned int offset = w * header0->info.image.slice_yoff;
- unsigned int slice_size = w * h;
-
- memcpy(data1 + offset, data0, slice_size << 1);
- memcpy(data1 + dsize + (offset >> 2), data0 + slice_size, slice_size >> 1);
- memcpy(data1 + dsize + (dsize >>2) + (offset>>2), data0 + slice_size + (slice_size >> 2), slice_size >> 1);
-
-
- return;
-
-}
-
-
-
-static void pdp_slice_glue_process(t_pdp_slice_glue *x)
-{
- int encoding;
- int newpacket;
- t_pdp *header = 0;
- t_pdp *dest_header = 0;
-
-
- /* check if the packet is a valid slice packet */
- /* if not pass it along */
- if (!((header = pdp_packet_header(x->x_packet0)) &&
- (PDP_IMAGE == header->type) && (header->info.image.orig_height))) goto passalong;
-
- /* if this is the first slice of a sequence, or we don't have a dest packet yet */
- /* create a new destination packet */
- if ((x->x_packet1 == -1) || (header->info.image.slice_sync & PDP_IMAGE_SLICE_FIRST)){
- pdp_packet_mark_unused(x->x_packet1);
- x->x_packet1 = pdp_packet_new(PDP_IMAGE, ((header->size - PDP_HEADER_SIZE) / header->info.image.height)
- * header->info.image.orig_height);
- dest_header = pdp_packet_header(x->x_packet1);
- dest_header->info.image.encoding = header->info.image.encoding;
- dest_header->info.image.width = header->info.image.width;
- dest_header->info.image.height = header->info.image.orig_height;
- }
-
- /* if this is a body or last slice, it has to be compatible with the current dest packet */
- /* else ignore it */
- else{
- dest_header = pdp_packet_header(x->x_packet1);
- if (!((dest_header->info.image.encoding == header->info.image.encoding) &&
- ((dest_header->info.image.width == header->info.image.width)))) goto dispose;
- }
-
- /* now we have a dest packet and the source packet is compatible with it, so copy the data */
-
-
- switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
-
- case PDP_IMAGE_YV12:
- pdp_slice_glue_process_yv12(x);
- break;
-
- case PDP_IMAGE_GREY:
- pdp_slice_glue_process_grey(x);
- break;
-
- default:
- /* don't know the type, so dont pdp_slice_glue_process */
-
- break;
- }
-
- /* if the source packet was a final slice, pass on the constructed packet */
- if (header->info.image.slice_sync & PDP_IMAGE_SLICE_LAST){
- pdp_pass_if_valid(x->x_outlet0, &x->x_packet1);
- }
-
-
- /* processing is done so we delete the source packet */
- dispose:
- pdp_packet_mark_unused(x->x_packet0);
- x->x_packet0 = -1;
- return;
-
-
- passalong:
- pdp_pass_if_valid(x->x_outlet0, &x->x_packet0);
- return;
-
-}
-
-static void pdp_slice_glue_input_0(t_pdp_slice_glue *x, t_symbol *s, t_floatarg f)
-{
-
- int p = (int)f;
-
- if (s== gensym("register_ro")) x->x_packet0 = pdp_packet_copy_ro(p);
- if ((s == gensym("process")) && (-1 != x->x_packet0)) pdp_slice_glue_process(x);
-
-}
-
-
-
-
-static void pdp_slice_glue_free(t_pdp_slice_glue *x)
-{
- pdp_packet_mark_unused(x->x_packet0);
-}
-
-t_class *pdp_slice_glue_class;
-
-
-
-void *pdp_slice_glue_new(void)
-{
- int i;
-
- t_pdp_slice_glue *x = (t_pdp_slice_glue *)pd_new(pdp_slice_glue_class);
-
- x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
- x->x_packet0 = -1;
-
- return (void *)x;
-}
-
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-
-void pdp_slice_glue_setup(void)
-{
-
-
- pdp_slice_glue_class = class_new(gensym("pdp_slice_glue"), (t_newmethod)pdp_slice_glue_new,
- (t_method)pdp_slice_glue_free, sizeof(t_pdp_slice_glue), 0, A_NULL);
-
-
- class_addmethod(pdp_slice_glue_class, (t_method)pdp_slice_glue_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
-
-}
-
-#ifdef __cplusplus
-}
-#endif