mirror of
https://github.com/game-stop/veejay.git
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133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2002 Niels Elburg <nwelburg@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License , or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 , USA.
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*/
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#include "common.h"
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#include <veejaycore/vjmem.h>
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#include "complexsync.h"
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typedef struct {
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uint8_t *c_outofsync_buffer[4];
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int complex_not_completed;
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int position;
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} complexsync_t;
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vj_effect *complexsync_init(int width, int height)
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{
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vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
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ve->num_params = 3;
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ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */
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ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */
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ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */
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ve->limits[0][0] = 1;
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ve->limits[1][0] = height-1;
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ve->limits[0][1] = 0;
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ve->limits[1][1] = 1;
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ve->limits[0][2] = 1;
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ve->limits[1][2] = (25 * 10);
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ve->defaults[0] = 36;
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ve->defaults[1] = 1;
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ve->defaults[2] = 1;
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ve->description = "Out of Sync -Replace selection-";
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ve->sub_format = 1;
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ve->extra_frame = 1;
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ve->has_user = 0;
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ve->param_description = vje_build_param_list( ve->num_params, "Vertical size", "Mode", "Framespeed" );
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ve->is_transition_ready_func = complexsync_ready;
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return ve;
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}
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int complexsync_ready(void *ptr, int width, int height)
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{
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complexsync_t *c = (complexsync_t*) ptr;
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return !c->complex_not_completed;
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}
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void *complexsync_malloc(int width, int height)
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{
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complexsync_t *c = (complexsync_t*) vj_calloc(sizeof(complexsync_t));
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if(!c) {
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return NULL;
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}
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c->c_outofsync_buffer[0] = (uint8_t*) vj_malloc( sizeof(uint8_t) * RUP8(width*height*3) );
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if(!c->c_outofsync_buffer[0]) {
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free(c);
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return NULL;
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}
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c->c_outofsync_buffer[1] = c->c_outofsync_buffer[0] + RUP8(width*height);
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c->c_outofsync_buffer[2] = c->c_outofsync_buffer[1] + RUP8(width*height);
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vj_frame_clear1( c->c_outofsync_buffer[0] , pixel_Y_lo_ , RUP8(width*height));
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vj_frame_clear1( c->c_outofsync_buffer[1] , 128, RUP8(width*height*2) );
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return (void*) c;
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}
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void complexsync_free(void *ptr) {
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complexsync_t *c = (complexsync_t*) ptr;
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free(c->c_outofsync_buffer[0]);
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free(c);
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}
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void complexsync_apply(void *ptr, VJFrame *frame, VJFrame *frame2, int *args) {
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int val = args[0];
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int auto_inc = args[1];
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int duration = args[2];
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complexsync_t *c = (complexsync_t*) ptr;
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const int len = frame->len;
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const unsigned int width = frame->width;
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uint8_t *Y = frame->data[0];
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uint8_t *Cb = frame->data[1];
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uint8_t *Cr = frame->data[2];
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int planes[4] = { len, len, len, 0 };
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if( auto_inc == 1 ) {
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if( duration == 0 )
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duration = 1;
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c->position += ( val / duration ) + 1;
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if( c->position > frame->height - 2 )
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c->position = 1;
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} else {
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c->position = val;
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}
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int region = width * c->position;
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vj_frame_copy( frame->data, c->c_outofsync_buffer, planes );
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vj_frame_copy( frame2->data, frame->data, planes );
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c->complex_not_completed = (len - region) > 0;
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if( c->complex_not_completed )
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{
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uint8_t *dest[4] = { Y + region, Cb + region, Cr + region, NULL };
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int dst_strides[4] = { len - region, len - region, len - region,0 };
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vj_frame_copy( c->c_outofsync_buffer, dest, dst_strides );
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}
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}
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