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- // VirtualDub - Video processing and capture application
- // Copyright (C) 1998-2001 Avery Lee
- //
- // 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 <stdio.h>
-
- #include <windows.h>
- #include <commctrl.h>
-
- #include "resource.h"
- #include "filter.h"
-
- extern HINSTANCE g_hInst;
-
- ///////////////////////////////////
-
- typedef struct MyFilterData {
- bool is_first_frame;
- } MyFilterData;
-
- ///////////////////////////////////
-
- static int tsoften_run(const FilterActivation *fa, const FilterFunctions *ff) {
- MyFilterData *mfd = (MyFilterData *)fa->filter_data;
- Pixel *src = (Pixel *)fa->last->data;
- Pixel *dst = (Pixel *)fa->dst.data;
- long w, h;
-
- if (mfd->is_first_frame) {
- mfd->is_first_frame = FALSE;
-
- return 0;
- }
-
- h = fa->dst.h;
- do {
- w = fa->dst.w;
-
- do {
- *dst = (((*dst&0xfefefe) + (*src&0xfefefe))>>1) + ((*src&0x010101) & (*dst&0x010101));
- ++dst;
- ++src;
- } while(--w);
-
- src = (Pixel *)((char *)src + fa->last->modulo);
- dst = (Pixel *)((char *)dst + fa->dst.modulo);
- } while(--h);
-
- return 0;
- }
-
- static long tsoften_param(FilterActivation *fa, const FilterFunctions *ff) {
- fa->dst.offset = fa->src.offset;
- fa->dst.modulo = fa->src.modulo;
- fa->dst.pitch = fa->src.pitch;
- return FILTERPARAM_NEEDS_LAST;
- }
-
- static int tsoften_start(FilterActivation *fa, const FilterFunctions *ff) {
- if (!fa->filter_data)
- if (!(fa->filter_data = (void *)new MyFilterData)) return 1;
-
- MyFilterData *mfd = (MyFilterData *)fa->filter_data;
-
- mfd->is_first_frame = TRUE;
-
- return 0;
- }
-
- static int tsoften_stop(FilterActivation *fa, const FilterFunctions *ff) {
- MyFilterData *mfd = (MyFilterData *)fa->filter_data;
-
- delete mfd;
- fa->filter_data = NULL;
-
- return 0;
- }
-
-
-
-
- FilterDefinition filterDef_tsoften={
- 0,0,NULL,
- "motion blur",
- "Blurs adjacent frames together.\n\n",
- NULL,NULL,
- sizeof(MyFilterData),
- NULL,NULL,
- tsoften_run,
- tsoften_param,
- NULL,
- NULL,
- tsoften_start,
- tsoften_stop,
- };