--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 1997-2012 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 "bchash.h"
+#include "filexml.h"
+#include "freezeframe.h"
+#include "language.h"
+#include "transportque.inc"
+
+
+
+#include <string.h>
+
+
+REGISTER_PLUGIN(FreezeFrameMain)
+
+
+
+
+
+FreezeFrameConfig::FreezeFrameConfig()
+{
+ enabled = 0;
+ line_double = 0;
+}
+
+void FreezeFrameConfig::copy_from(FreezeFrameConfig &that)
+{
+ enabled = that.enabled;
+ line_double = that.line_double;
+}
+
+int FreezeFrameConfig::equivalent(FreezeFrameConfig &that)
+{
+ return enabled == that.enabled &&
+ line_double == that.line_double;
+}
+
+void FreezeFrameConfig::interpolate(FreezeFrameConfig &prev,
+ FreezeFrameConfig &next,
+ long prev_frame,
+ long next_frame,
+ long current_frame)
+{
+ this->enabled = prev.enabled;
+ this->line_double = prev.line_double;
+}
+
+
+
+
+
+
+
+
+
+
+FreezeFrameWindow::FreezeFrameWindow(FreezeFrameMain *client)
+ : PluginClientWindow(client,
+ 200,
+ 100,
+ 200,
+ 100,
+ 0)
+{
+ this->client = client;
+}
+
+FreezeFrameWindow::~FreezeFrameWindow()
+{
+}
+
+void FreezeFrameWindow::create_objects()
+{
+ int x = 10, y = 10;
+ add_tool(enabled = new FreezeFrameToggle(client,
+ &client->config.enabled,
+ x,
+ y,
+ _("Enabled")));
+// Try using extra effect for the line double since it doesn't
+// change the overhead.
+// y += 30;
+// add_tool(line_double = new FreezeFrameToggle(client,
+// &client->config.line_double,
+// x,
+// y,
+// _("Line double")));
+ show_window();
+ flush();
+}
+
+
+
+
+
+
+FreezeFrameToggle::FreezeFrameToggle(FreezeFrameMain *client,
+ int *value,
+ int x,
+ int y,
+ char *text)
+ : BC_CheckBox(x, y, *value, text)
+{
+ this->client = client;
+ this->value = value;
+}
+FreezeFrameToggle::~FreezeFrameToggle()
+{
+}
+int FreezeFrameToggle::handle_event()
+{
+ *value = get_value();
+ client->send_configure_change();
+ return 1;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+FreezeFrameMain::FreezeFrameMain(PluginServer *server)
+ : PluginVClient(server)
+{
+
+ first_frame = 0;
+ first_frame_position = -1;
+}
+
+FreezeFrameMain::~FreezeFrameMain()
+{
+
+ if(first_frame) delete first_frame;
+}
+
+const char* FreezeFrameMain::plugin_title() { return _("Freeze Frame"); }
+int FreezeFrameMain::is_synthesis() { return 1; }
+int FreezeFrameMain::is_realtime() { return 1; }
+
+
+NEW_WINDOW_MACRO(FreezeFrameMain, FreezeFrameWindow)
+
+int FreezeFrameMain::load_configuration()
+{
+ KeyFrame *prev_keyframe = get_prev_keyframe(get_source_position());
+ int64_t prev_position = edl_to_local(prev_keyframe->position);
+ if(prev_position < get_source_start()) prev_position = get_source_start();
+ read_data(prev_keyframe);
+// Invalidate stored frame
+ if(config.enabled) first_frame_position = prev_position;
+ return 0;
+}
+
+void FreezeFrameMain::update_gui()
+{
+ if(thread)
+ {
+ load_configuration();
+ ((FreezeFrameWindow*)thread->window)->lock_window();
+ ((FreezeFrameWindow*)thread->window)->enabled->update(config.enabled);
+// thread->window->line_double->update(config.line_double);
+ thread->window->unlock_window();
+ }
+}
+
+void FreezeFrameMain::save_data(KeyFrame *keyframe)
+{
+ FileXML output;
+
+// cause data to be stored directly in text
+ output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
+ output.tag.set_title("FREEZEFRAME");
+ output.append_tag();
+ if(config.enabled)
+ {
+ output.tag.set_title("ENABLED");
+ output.append_tag();
+ output.tag.set_title("/ENABLED");
+ output.append_tag();
+ }
+ if(config.line_double)
+ {
+ output.tag.set_title("LINE_DOUBLE");
+ output.append_tag();
+ output.tag.set_title("/LINE_DOUBLE");
+ output.append_tag();
+ }
+ output.tag.set_title("/FREEZEFRAME");
+ output.append_tag();
+ output.append_newline();
+ output.terminate_string();
+// data is now in *text
+}
+
+void FreezeFrameMain::read_data(KeyFrame *keyframe)
+{
+ FileXML input;
+
+ input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
+
+ int result = 0;
+ config.enabled = 0;
+ config.line_double = 0;
+
+ while(!result)
+ {
+ result = input.read_tag();
+
+ if(!result)
+ {
+ if(input.tag.title_is("ENABLED"))
+ {
+ config.enabled = 1;
+ }
+ if(input.tag.title_is("LINE_DOUBLE"))
+ {
+ config.line_double = 1;
+ }
+ }
+ }
+}
+
+
+
+
+
+
+
+int FreezeFrameMain::process_buffer(VFrame *frame,
+ int64_t start_position,
+ double frame_rate)
+{
+ int64_t previous_first_frame = first_frame_position;
+ load_configuration();
+
+// Just entered frozen range
+ if(!first_frame && config.enabled)
+ {
+ if(!first_frame)
+ first_frame = new VFrame(0,
+ -1,
+ frame->get_w(),
+ frame->get_h(),
+ frame->get_color_model(),
+ -1);
+//printf("FreezeFrameMain::process_buffer 1 %jd\n", first_frame_position);
+ read_frame(first_frame,
+ 0,
+ get_direction() == PLAY_REVERSE ? first_frame_position + 1 : first_frame_position,
+ frame_rate,
+ get_use_opengl());
+ if(get_use_opengl()) return run_opengl();
+ frame->copy_from(first_frame);
+ }
+ else
+// Still not frozen
+ if(!first_frame && !config.enabled)
+ {
+ read_frame(frame,
+ 0,
+ start_position,
+ frame_rate,
+ get_use_opengl());
+ }
+ else
+// Just left frozen range
+ if(first_frame && !config.enabled)
+ {
+ delete first_frame;
+ first_frame = 0;
+ read_frame(frame,
+ 0,
+ start_position,
+ frame_rate,
+ get_use_opengl());
+ }
+ else
+// Still frozen
+ if(first_frame && config.enabled)
+ {
+// Had a keyframe in frozen range. Load new first frame
+ if(previous_first_frame != first_frame_position)
+ {
+ read_frame(first_frame,
+ 0,
+ get_direction() == PLAY_REVERSE ? first_frame_position + 1 : first_frame_position,
+ frame_rate,
+ get_use_opengl());
+ }
+ if(get_use_opengl()) return run_opengl();
+ frame->copy_from(first_frame);
+ }
+
+
+// Line double to support interlacing
+// if(config.line_double && config.enabled)
+// {
+// for(int i = 0; i < frame->get_h() - 1; i += 2)
+// {
+// memcpy(frame->get_rows()[i + 1],
+// frame->get_rows()[i],
+// frame->get_bytes_per_line());
+// }
+// }
+
+
+
+ return 0;
+}
+
+int FreezeFrameMain::handle_opengl()
+{
+#ifdef HAVE_GL
+ get_output()->enable_opengl();
+ get_output()->init_screen();
+ first_frame->to_texture();
+ first_frame->bind_texture(0);
+ first_frame->draw_texture();
+ get_output()->set_opengl_state(VFrame::SCREEN);
+#endif
+ return 0;
+}
+
+
projects / goodguy / history.git / blobdiff