+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "fadeengine.h"
-#include "vframe.h"
-
-#include <stdint.h>
-
-
-
-
-
-
-
-
-
-FadeUnit::FadeUnit(FadeEngine *server)
- : LoadClient(server)
-{
- this->engine = server;
-}
-
-FadeUnit::~FadeUnit()
-{
-}
-
-
-#define APPLY_FADE(equivalent, \
- input_rows, \
- output_rows, \
- max, \
- type, \
- temp_type, \
- chroma_zero, \
- components) \
-{ \
- temp_type opacity = (temp_type)(alpha * max); \
- temp_type transparency = (temp_type)(max - opacity); \
- temp_type product = (temp_type) (chroma_zero * transparency); \
- \
- for(int i = row1; i < row2; i++) \
- { \
- type *in_row = (type*)input_rows[i]; \
- type *out_row = (type*)output_rows[i]; \
- \
- for(int j = 0; j < width; j++, out_row += components, in_row += components) \
- { \
- if(components == 3) \
- { \
- out_row[0] = \
- (type)((temp_type)in_row[0] * opacity / max); \
- out_row[1] = \
- (type)(((temp_type)in_row[1] * opacity + \
- product) / max); \
- out_row[2] = \
- (type)(((temp_type)in_row[2] * opacity + \
- product) / max); \
- } \
- else \
- { \
- if(!equivalent) \
- { \
- out_row[0] = in_row[0]; \
- out_row[1] = in_row[1]; \
- out_row[2] = in_row[2]; \
- } \
- \
- if(in_row[3] == max) \
- out_row[3] = opacity; \
- else \
- out_row[3] = \
- (type)((temp_type)in_row[3] * opacity / max); \
- } \
- } \
- } \
-}
-
-
-
-void FadeUnit::process_package(LoadPackage *package)
-{
- FadePackage *pkg = (FadePackage*)package;
- VFrame *output = engine->output;
- VFrame *input = engine->input;
- float alpha = engine->alpha;
- int row1 = pkg->out_row1;
- int row2 = pkg->out_row2;
- unsigned char **in_rows = input->get_rows();
- unsigned char **out_rows = output->get_rows();
- int width = input->get_w();
-
- if(input->get_rows()[0] == output->get_rows()[0])
- {
- switch(input->get_color_model())
- {
- case BC_RGB888:
- APPLY_FADE(1, out_rows, in_rows, 0xff, unsigned char, uint16_t, 0x0, 3);
- break;
- case BC_RGBA8888:
- APPLY_FADE(1, out_rows, in_rows, 0xff, unsigned char, uint16_t, 0x0, 4);
- break;
- case BC_RGB_FLOAT:
- APPLY_FADE(1, out_rows, in_rows, 1.0, float, float, 0x0, 3);
- break;
- case BC_RGBA_FLOAT:
- APPLY_FADE(1, out_rows, in_rows, 1.0, float, float, 0x0, 4);
- break;
- case BC_RGB161616:
- APPLY_FADE(1, out_rows, in_rows, 0xffff, uint16_t, uint32_t, 0x0, 3);
- break;
- case BC_RGBA16161616:
- APPLY_FADE(1, out_rows, in_rows, 0xffff, uint16_t, uint32_t, 0x0, 4);
- break;
- case BC_YUV888:
- APPLY_FADE(1, out_rows, in_rows, 0xff, unsigned char, uint16_t, 0x80, 3);
- break;
- case BC_YUVA8888:
- APPLY_FADE(1, out_rows, in_rows, 0xff, unsigned char, uint16_t, 0x80, 4);
- break;
- case BC_YUV161616:
- APPLY_FADE(1, out_rows, in_rows, 0xffff, uint16_t, uint32_t, 0x8000, 3);
- break;
- case BC_YUVA16161616:
- APPLY_FADE(1, out_rows, in_rows, 0xffff, uint16_t, uint32_t, 0x8000, 4);
- break;
- }
- }
- else
- {
- switch(input->get_color_model())
- {
- case BC_RGB888:
- APPLY_FADE(0, out_rows, in_rows, 0xff, unsigned char, uint16_t, 0x0, 3);
- break;
- case BC_RGBA8888:
- APPLY_FADE(0, out_rows, in_rows, 0xff, unsigned char, uint16_t, 0x0, 4);
- break;
- case BC_RGB_FLOAT:
- APPLY_FADE(0, out_rows, in_rows, 1.0, float, float, 0x0, 3);
- break;
- case BC_RGBA_FLOAT:
- APPLY_FADE(0, out_rows, in_rows, 1.0, float, float, 0x0, 4);
- break;
- case BC_RGB161616:
- APPLY_FADE(0, out_rows, in_rows, 0xffff, uint16_t, uint32_t, 0x0, 3);
- break;
- case BC_RGBA16161616:
- APPLY_FADE(0, out_rows, in_rows, 0xffff, uint16_t, uint32_t, 0x0, 4);
- break;
- case BC_YUV888:
- APPLY_FADE(0, out_rows, in_rows, 0xff, unsigned char, uint16_t, 0x80, 3);
- break;
- case BC_YUVA8888:
- APPLY_FADE(0, out_rows, in_rows, 0xff, unsigned char, uint16_t, 0x80, 4);
- break;
- case BC_YUV161616:
- APPLY_FADE(0, out_rows, in_rows, 0xffff, uint16_t, uint32_t, 0x8000, 3);
- break;
- case BC_YUVA16161616:
- APPLY_FADE(0, out_rows, in_rows, 0xffff, uint16_t, uint32_t, 0x8000, 4);
- break;
- }
- }
-}
-
-
-
-
-
-
-
-
-
-FadeEngine::FadeEngine(int cpus)
- : LoadServer(cpus, cpus)
-{
-}
-
-FadeEngine::~FadeEngine()
-{
-}
-
-void FadeEngine::do_fade(VFrame *output, VFrame *input, float alpha)
-{
- this->output = output;
- this->input = input;
- this->alpha = alpha;
-
-// Sanity
- if(alpha == 1)
- output->copy_from(input);
- else
- process_packages();
-}
-
-
-void FadeEngine::init_packages()
-{
- for(int i = 0; i < get_total_packages(); i++)
- {
- FadePackage *package = (FadePackage*)get_package(i);
- package->out_row1 = input->get_h() * i / get_total_packages();
- package->out_row2 = input->get_h() * (i + 1) / get_total_packages();
- }
-}
-
-LoadClient* FadeEngine::new_client()
-{
- return new FadeUnit(this);
-}
-
-LoadPackage* FadeEngine::new_package()
-{
- return new FadePackage;
-}
-
-
-FadePackage::FadePackage()
-{
-}
-
projects / goodguy / history.git / blobdiff