Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.1 / plugins / delayvideo / delayvideo.C
diff --git a/cinelerra-5.1/plugins/delayvideo/delayvideo.C b/cinelerra-5.1/plugins/delayvideo/delayvideo.C
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+
+/*
+ * 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 "bcdisplayinfo.h"
+#include "clip.h"
+#include "bchash.h"
+#include "delayvideo.h"
+#include "filexml.h"
+#include "language.h"
+#include "vframe.h"
+
+
+
+
+#include <string.h>
+
+
+
+
+
+
+REGISTER_PLUGIN(DelayVideo)
+
+
+
+
+
+DelayVideoConfig::DelayVideoConfig()
+{
+       length = 0;
+}
+
+int DelayVideoConfig::equivalent(DelayVideoConfig &that)
+{
+       return EQUIV(length, that.length);
+}
+
+void DelayVideoConfig::copy_from(DelayVideoConfig &that)
+{
+       length = that.length;
+}
+
+void DelayVideoConfig::interpolate(DelayVideoConfig &prev, 
+               DelayVideoConfig &next, 
+               int64_t prev_frame, 
+               int64_t next_frame, 
+               int64_t current_frame)
+{
+       this->length = prev.length;
+}
+
+
+
+DelayVideoWindow::DelayVideoWindow(DelayVideo *plugin)
+ : PluginClientWindow(plugin, 
+       210, 
+       120, 
+       210, 
+       120, 
+       0)
+{
+       this->plugin = plugin;
+}
+
+DelayVideoWindow::~DelayVideoWindow()
+{
+}
+
+       
+void DelayVideoWindow::create_objects()
+{
+       int x = 10, y = 10;
+       
+       add_subwindow(new BC_Title(x, y, _("Delay seconds:")));
+       y += 20;
+       slider = new DelayVideoSlider(this, plugin, x, y);
+       slider->create_objects();
+       show_window();
+}
+
+
+void DelayVideoWindow::update_gui()
+{
+       char string[BCTEXTLEN];
+       sprintf(string, "%.04f", plugin->config.length);
+       slider->update(string);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+DelayVideoSlider::DelayVideoSlider(DelayVideoWindow *window,
+       DelayVideo *plugin, 
+       int x, 
+       int y)
+ : BC_TumbleTextBox(window,
+       (float)plugin->config.length,
+       (float)0,
+       (float)10,
+       x, 
+       y, 
+       150)
+{
+       this->plugin = plugin;
+       set_increment(0.1);
+}
+
+int DelayVideoSlider::handle_event()
+{
+       plugin->config.length = atof(get_text());
+       plugin->send_configure_change();
+       return 1;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+DelayVideo::DelayVideo(PluginServer *server)
+ : PluginVClient(server)
+{
+       reset();
+}
+
+DelayVideo::~DelayVideo()
+{
+       if(buffer)
+       {
+//printf("DelayVideo::~DelayVideo 1\n");
+               for(int i = 0; i < allocation; i++)
+                       delete buffer[i];
+//printf("DelayVideo::~DelayVideo 1\n");
+       
+               delete [] buffer;
+//printf("DelayVideo::~DelayVideo 1\n");
+       }
+}
+
+void DelayVideo::reset()
+{
+       thread = 0;
+       need_reconfigure = 1;
+       buffer = 0;
+       allocation = 0;
+}
+
+void DelayVideo::reconfigure()
+{
+       int new_allocation = 1 + (int)(config.length * PluginVClient::project_frame_rate);
+       VFrame **new_buffer = new VFrame*[new_allocation];
+       int reuse = MIN(new_allocation, allocation);
+
+       for(int i = 0; i < reuse; i++)
+       {
+               new_buffer[i] = buffer[i];
+       }
+
+       for(int i = reuse; i < new_allocation; i++)
+       {
+               new_buffer[i] = new VFrame(0, 
+                       -1,
+                       input->get_w(),
+                       input->get_h(),
+                       PluginVClient::project_color_model,
+                       -1);
+       }
+
+       for(int i = reuse; i < allocation; i++)
+       {
+               delete buffer[i];
+       }
+
+       if(buffer) delete [] buffer;
+       
+       
+       buffer = new_buffer;
+       allocation = new_allocation;
+       
+       need_reconfigure = 0;
+}
+
+int DelayVideo::process_realtime(VFrame *input_ptr, VFrame *output_ptr)
+{
+//printf("DelayVideo::process_realtime 1 %d\n", config.length);
+       this->input = input_ptr;
+       this->output = output_ptr;
+       need_reconfigure += load_configuration();
+       CLAMP(config.length, 0, 10);
+
+//printf("DelayVideo::process_realtime 2 %d\n", config.length);
+       if(need_reconfigure) reconfigure();
+//printf("DelayVideo::process_realtime 3 %d %d\n", config.length, allocation);
+
+       buffer[allocation - 1]->copy_from(input_ptr);
+       output_ptr->copy_from(buffer[0]);
+       
+       VFrame *temp = buffer[0];
+       for(int i = 0; i < allocation - 1; i++)
+       {
+               buffer[i] = buffer[i + 1];
+       }
+
+       buffer[allocation - 1] = temp;
+//printf("DelayVideo::process_realtime 4\n");
+       
+       
+       return 0;
+}
+
+int DelayVideo::is_realtime()
+{
+       return 1;
+}
+
+const char* DelayVideo::plugin_title() { return _("Delay Video"); }
+
+LOAD_CONFIGURATION_MACRO(DelayVideo, DelayVideoConfig)
+NEW_WINDOW_MACRO(DelayVideo, DelayVideoWindow)
+
+
+void DelayVideo::save_data(KeyFrame *keyframe)
+{
+       FileXML output;
+       output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
+
+       output.tag.set_title("DELAYVIDEO");
+       output.tag.set_property("LENGTH", (double)config.length);
+       output.append_tag();
+       output.tag.set_title("/DELAYVIDEO");
+       output.append_tag();
+       output.append_newline();
+       output.terminate_string();
+}
+
+void DelayVideo::read_data(KeyFrame *keyframe)
+{
+       FileXML input;
+       input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
+
+       int result = 0;
+       while(!result)
+       {
+               result = input.read_tag();
+
+               if(!result)
+               {
+                       if(input.tag.title_is("DELAYVIDEO"))
+                       {
+                               config.length = input.tag.get_property("LENGTH", (double)config.length);
+                       }
+               }
+       }
+}
+
+void DelayVideo::update_gui()
+{
+       if(thread) 
+       {
+               load_configuration();
+               ((DelayVideoWindow*)thread->window)->lock_window();
+               ((DelayVideoWindow*)thread->window)->slider->update(config.length);
+               ((DelayVideoWindow*)thread->window)->unlock_window();
+       }
+}
+
+
+
+
+
+
+