4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "translate.h"
26 #include "translatewin.h"
33 REGISTER_PLUGIN(TranslateMain)
35 TranslateConfig::TranslateConfig()
47 int TranslateConfig::equivalent(TranslateConfig &that)
49 return EQUIV(in_x, that.in_x) &&
50 EQUIV(in_y, that.in_y) &&
51 EQUIV(in_w, that.in_w) &&
52 EQUIV(in_h, that.in_h) &&
53 EQUIV(out_x, that.out_x) &&
54 EQUIV(out_y, that.out_y) &&
55 EQUIV(out_w, that.out_w) &&
56 EQUIV(out_h, that.out_h);
59 void TranslateConfig::copy_from(TranslateConfig &that)
71 void TranslateConfig::interpolate(TranslateConfig &prev,
72 TranslateConfig &next,
75 int64_t current_frame)
77 double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
78 double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
80 this->in_x = prev.in_x * prev_scale + next.in_x * next_scale;
81 this->in_y = prev.in_y * prev_scale + next.in_y * next_scale;
82 this->in_w = prev.in_w * prev_scale + next.in_w * next_scale;
83 this->in_h = prev.in_h * prev_scale + next.in_h * next_scale;
84 this->out_x = prev.out_x * prev_scale + next.out_x * next_scale;
85 this->out_y = prev.out_y * prev_scale + next.out_y * next_scale;
86 this->out_w = prev.out_w * prev_scale + next.out_w * next_scale;
87 this->out_h = prev.out_h * prev_scale + next.out_h * next_scale;
97 TranslateMain::TranslateMain(PluginServer *server)
98 : PluginVClient(server)
105 TranslateMain::~TranslateMain()
109 if(temp_frame) delete temp_frame;
111 if(overlayer) delete overlayer;
115 const char* TranslateMain::plugin_title() { return N_("Translate"); }
116 int TranslateMain::is_realtime() { return 1; }
120 LOAD_CONFIGURATION_MACRO(TranslateMain, TranslateConfig)
122 void TranslateMain::save_data(KeyFrame *keyframe)
126 // cause data to be stored directly in text
127 output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
130 output.tag.set_title("TRANSLATE");
131 output.tag.set_property("IN_X", config.in_x);
132 output.tag.set_property("IN_Y", config.in_y);
133 output.tag.set_property("IN_W", config.in_w);
134 output.tag.set_property("IN_H", config.in_h);
135 output.tag.set_property("OUT_X", config.out_x);
136 output.tag.set_property("OUT_Y", config.out_y);
137 output.tag.set_property("OUT_W", config.out_w);
138 output.tag.set_property("OUT_H", config.out_h);
140 output.tag.set_title("/TRANSLATE");
142 output.append_newline();
143 output.terminate_string();
144 // data is now in *text
147 void TranslateMain::read_data(KeyFrame *keyframe)
151 input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
157 result = input.read_tag();
161 if(input.tag.title_is("TRANSLATE"))
163 config.in_x = input.tag.get_property("IN_X", config.in_x);
164 config.in_y = input.tag.get_property("IN_Y", config.in_y);
165 config.in_w = input.tag.get_property("IN_W", config.in_w);
166 config.in_h = input.tag.get_property("IN_H", config.in_h);
167 config.out_x = input.tag.get_property("OUT_X", config.out_x);
168 config.out_y = input.tag.get_property("OUT_Y", config.out_y);
169 config.out_w = input.tag.get_property("OUT_W", config.out_w);
170 config.out_h = input.tag.get_property("OUT_H", config.out_h);
177 #define EPSILON 0.001
179 int TranslateMain::process_realtime(VFrame *input_ptr, VFrame *output_ptr)
181 VFrame *input = input_ptr;
182 VFrame *output = output_ptr;
184 load_configuration();
186 //printf("TranslateMain::process_realtime 1 %p\n", input);
187 if( input->get_rows()[0] == output->get_rows()[0] ) {
189 temp_frame->get_w() != input_ptr->get_w() ||
190 temp_frame->get_h() != input_ptr->get_h() ||
191 temp_frame->get_color_model() != input_ptr->get_color_model() ) ) {
196 temp_frame = new VFrame(input_ptr->get_w(), input_ptr->get_h(),
197 input->get_color_model(), 0);
198 temp_frame->copy_from(input);
201 //printf("TranslateMain::process_realtime 2 %p\n", input);
206 overlayer = new OverlayFrame(smp + 1);
209 output->clear_frame();
211 if( config.in_w < EPSILON ) return 1;
212 if( config.in_h < EPSILON ) return 1;
213 if( config.out_w < EPSILON ) return 1;
214 if( config.out_h < EPSILON ) return 1;
216 float ix1 = config.in_x, ox1 = config.out_x;
217 float ix2 = ix1 + config.in_w;
225 if(ix2 > output->get_w())
226 ix2 = output->get_w();
228 float iy1 = config.in_y, oy1 = config.out_y;
229 float iy2 = iy1 + config.in_h;
237 if( iy2 > output->get_h() )
238 iy2 = output->get_h();
240 float cx = config.out_w / config.in_w;
241 float cy = config.out_h / config.in_h;
243 float ox2 = ox1 + (ix2 - ix1) * cx;
244 float oy2 = oy1 + (iy2 - iy1) * cy;
254 if( ox2 > output->get_w() ) {
255 ix2 -= (ox2 - output->get_w()) / cx;
256 ox2 = output->get_w();
258 if( oy2 > output->get_h() ) {
259 iy2 -= (oy2 - output->get_h()) / cy;
260 oy2 = output->get_h();
263 if( ix1 >= ix2 ) return 1;
264 if( iy1 >= iy2 ) return 1;
265 if( ox1 >= ox2 ) return 1;
266 if( oy1 >= oy2 ) return 1;
268 overlayer->overlay(output, input,
272 get_interpolation_type());
276 NEW_WINDOW_MACRO(TranslateMain, TranslateWin)
278 void TranslateMain::update_gui()
280 if( !thread ) return;
281 if( !load_configuration() ) return;
283 TranslateWin *window = (TranslateWin*)thread->window;
284 window->lock_window();
285 window->in_x->update(config.in_x);
286 window->in_y->update(config.in_y);
287 window->in_w->update(config.in_w);
288 window->in_h->update(config.in_h);
289 window->out_x->update(config.out_x);
290 window->out_y->update(config.out_y);
291 window->out_w->update(config.out_w);
292 window->out_h->update(config.out_h);
293 window->unlock_window();