Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.0 / plugins / overlay / overlay.C
diff --git a/cinelerra-5.0/plugins/overlay/overlay.C b/cinelerra-5.0/plugins/overlay/overlay.C
deleted file mode 100644 (file)
index d3bdd92..0000000
+++ /dev/null
@@ -1,753 +0,0 @@
-
-/*
- * 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 "filexml.h"
-#include "guicast.h"
-#include "keyframe.h"
-#include "language.h"
-#include "overlayframe.h"
-#include "pluginvclient.h"
-#include "vframe.h"
-
-#include <string.h>
-#include <stdint.h>
-
-
-class Overlay;
-class OverlayWindow;
-
-
-class OverlayConfig
-{
-public:
-       OverlayConfig();
-
-       static const char* mode_to_text(int mode);
-       int mode;
-
-       static const char* direction_to_text(int direction);
-       int direction;
-       enum
-       {
-               BOTTOM_FIRST,
-               TOP_FIRST
-       };
-
-       static const char* output_to_text(int output_layer);
-       int output_layer;
-       enum
-       {
-               TOP,
-               BOTTOM
-       };
-};
-
-class OverlayMode : public BC_PopupMenu
-{
-public:
-       OverlayMode(Overlay *plugin,
-               int x,
-               int y);
-       void create_objects();
-       int handle_event();
-       Overlay *plugin;
-};
-
-class OverlayDirection : public BC_PopupMenu
-{
-public:
-       OverlayDirection(Overlay *plugin,
-               int x,
-               int y);
-       void create_objects();
-       int handle_event();
-       Overlay *plugin;
-};
-
-class OverlayOutput : public BC_PopupMenu
-{
-public:
-       OverlayOutput(Overlay *plugin,
-               int x,
-               int y);
-       void create_objects();
-       int handle_event();
-       Overlay *plugin;
-};
-
-
-class OverlayWindow : public PluginClientWindow
-{
-public:
-       OverlayWindow(Overlay *plugin);
-       ~OverlayWindow();
-
-       void create_objects();
-
-
-       Overlay *plugin;
-       OverlayMode *mode;
-       OverlayDirection *direction;
-       OverlayOutput *output;
-};
-
-class Overlay : public PluginVClient
-{
-public:
-       Overlay(PluginServer *server);
-       ~Overlay();
-
-
-       PLUGIN_CLASS_MEMBERS(OverlayConfig);
-
-       int process_buffer(VFrame **frame,
-               int64_t start_position,
-               double frame_rate);
-       int is_realtime();
-       int is_multichannel();
-       int is_synthesis();
-       void save_data(KeyFrame *keyframe);
-       void read_data(KeyFrame *keyframe);
-       void update_gui();
-       int handle_opengl();
-
-       OverlayFrame *overlayer;
-       VFrame *temp;
-       int current_layer;
-       int output_layer;
-// Inclusive layer numbers
-       int input_layer1;
-       int input_layer2;
-};
-
-OverlayConfig::OverlayConfig()
-{
-       mode = TRANSFER_NORMAL;
-       direction = OverlayConfig::BOTTOM_FIRST;
-       output_layer = OverlayConfig::TOP;
-}
-
-const char* OverlayConfig::mode_to_text(int mode)
-{
-       switch(mode) {
-       case TRANSFER_NORMAL:           return _("Normal");
-       case TRANSFER_ADDITION:         return _("Addition");
-       case TRANSFER_SUBTRACT:         return _("Subtract");
-       case TRANSFER_MULTIPLY:         return _("Multiply");
-       case TRANSFER_DIVIDE:           return _("Divide");
-       case TRANSFER_REPLACE:          return _("Replace");
-       case TRANSFER_MAX:              return _("Max");
-       case TRANSFER_MIN:              return _("Min");
-       case TRANSFER_AVERAGE:          return _("Average");
-       case TRANSFER_DARKEN:           return _("Darken");
-       case TRANSFER_LIGHTEN:          return _("Lighten");
-       case TRANSFER_DST:              return _("Dst");
-       case TRANSFER_DST_ATOP:         return _("DstAtop");
-       case TRANSFER_DST_IN:           return _("DstIn");
-       case TRANSFER_DST_OUT:          return _("DstOut");
-       case TRANSFER_DST_OVER:         return _("DstOver");
-       case TRANSFER_SRC:              return _("Src");
-       case TRANSFER_SRC_ATOP:         return _("SrcAtop");
-       case TRANSFER_SRC_IN:           return _("SrcIn");
-       case TRANSFER_SRC_OUT:          return _("SrcOut");
-       case TRANSFER_SRC_OVER:         return _("SrcOver");
-       case TRANSFER_OR:               return _("Or");
-       case TRANSFER_XOR:              return _("Xor");
-       default:                        break;
-       }
-       return _("Normal");
-}
-
-const char* OverlayConfig::direction_to_text(int direction)
-{
-       switch(direction)
-       {
-               case OverlayConfig::BOTTOM_FIRST: return _("Bottom first");
-               case OverlayConfig::TOP_FIRST:    return _("Top first");
-       }
-       return "";
-}
-
-const char* OverlayConfig::output_to_text(int output_layer)
-{
-       switch(output_layer)
-       {
-               case OverlayConfig::TOP:    return _("Top");
-               case OverlayConfig::BOTTOM: return _("Bottom");
-       }
-       return "";
-}
-
-
-
-
-
-
-
-
-
-OverlayWindow::OverlayWindow(Overlay *plugin)
- : PluginClientWindow(plugin,
-       300,
-       160,
-       300,
-       160,
-       0)
-{
-       this->plugin = plugin;
-}
-
-OverlayWindow::~OverlayWindow()
-{
-}
-
-void OverlayWindow::create_objects()
-{
-       int x = 10, y = 10;
-
-       BC_Title *title;
-       add_subwindow(title = new BC_Title(x, y, _("Mode:")));
-       add_subwindow(mode = new OverlayMode(plugin,
-               x + title->get_w() + 5,
-               y));
-       mode->create_objects();
-
-       y += 30;
-       add_subwindow(title = new BC_Title(x, y, _("Layer order:")));
-       add_subwindow(direction = new OverlayDirection(plugin,
-               x + title->get_w() + 5,
-               y));
-       direction->create_objects();
-
-       y += 30;
-       add_subwindow(title = new BC_Title(x, y, _("Output layer:")));
-       add_subwindow(output = new OverlayOutput(plugin,
-               x + title->get_w() + 5,
-               y));
-       output->create_objects();
-
-       show_window();
-       flush();
-}
-
-
-
-
-
-
-
-OverlayMode::OverlayMode(Overlay *plugin, int x, int y)
- : BC_PopupMenu(x, y, 150,
-       OverlayConfig::mode_to_text(plugin->config.mode), 1)
-{
-       this->plugin = plugin;
-}
-
-void OverlayMode::create_objects()
-{
-       for(int i = 0; i < TRANSFER_TYPES; i++)
-               add_item(new BC_MenuItem(OverlayConfig::mode_to_text(i)));
-}
-
-int OverlayMode::handle_event()
-{
-       char *text = get_text();
-
-       for(int i = 0; i < TRANSFER_TYPES; i++)
-       {
-               if(!strcmp(text, OverlayConfig::mode_to_text(i)))
-               {
-                       plugin->config.mode = i;
-                       break;
-               }
-       }
-
-       plugin->send_configure_change();
-       return 1;
-}
-
-
-OverlayDirection::OverlayDirection(Overlay *plugin,
-       int x,
-       int y)
- : BC_PopupMenu(x,
-       y,
-       150,
-       OverlayConfig::direction_to_text(plugin->config.direction),
-       1)
-{
-       this->plugin = plugin;
-}
-
-void OverlayDirection::create_objects()
-{
-       add_item(new BC_MenuItem(
-               OverlayConfig::direction_to_text(
-                       OverlayConfig::TOP_FIRST)));
-       add_item(new BC_MenuItem(
-               OverlayConfig::direction_to_text(
-                       OverlayConfig::BOTTOM_FIRST)));
-}
-
-int OverlayDirection::handle_event()
-{
-       char *text = get_text();
-
-       if(!strcmp(text,
-               OverlayConfig::direction_to_text(
-                       OverlayConfig::TOP_FIRST)))
-               plugin->config.direction = OverlayConfig::TOP_FIRST;
-       else
-       if(!strcmp(text,
-               OverlayConfig::direction_to_text(
-                       OverlayConfig::BOTTOM_FIRST)))
-               plugin->config.direction = OverlayConfig::BOTTOM_FIRST;
-
-       plugin->send_configure_change();
-       return 1;
-}
-
-
-OverlayOutput::OverlayOutput(Overlay *plugin,
-       int x,
-       int y)
- : BC_PopupMenu(x,
-       y,
-       100,
-       OverlayConfig::output_to_text(plugin->config.output_layer),
-       1)
-{
-       this->plugin = plugin;
-}
-
-void OverlayOutput::create_objects()
-{
-       add_item(new BC_MenuItem(
-               OverlayConfig::output_to_text(
-                       OverlayConfig::TOP)));
-       add_item(new BC_MenuItem(
-               OverlayConfig::output_to_text(
-                       OverlayConfig::BOTTOM)));
-}
-
-int OverlayOutput::handle_event()
-{
-       char *text = get_text();
-
-       if(!strcmp(text,
-               OverlayConfig::output_to_text(
-                       OverlayConfig::TOP)))
-               plugin->config.output_layer = OverlayConfig::TOP;
-       else
-       if(!strcmp(text,
-               OverlayConfig::output_to_text(
-                       OverlayConfig::BOTTOM)))
-               plugin->config.output_layer = OverlayConfig::BOTTOM;
-
-       plugin->send_configure_change();
-       return 1;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-REGISTER_PLUGIN(Overlay)
-
-
-
-
-
-
-Overlay::Overlay(PluginServer *server)
- : PluginVClient(server)
-{
-
-       overlayer = 0;
-       temp = 0;
-}
-
-
-Overlay::~Overlay()
-{
-
-       if(overlayer) delete overlayer;
-       if(temp) delete temp;
-}
-
-
-
-int Overlay::process_buffer(VFrame **frame,
-       int64_t start_position,
-       double frame_rate)
-{
-       load_configuration();
-
-
-       if(!temp) temp = new VFrame(0,
-               -1,
-               frame[0]->get_w(),
-               frame[0]->get_h(),
-               frame[0]->get_color_model(),
-               -1);
-
-       if(!overlayer)
-               overlayer = new OverlayFrame(get_project_smp() + 1);
-
-       int step;
-       VFrame *output;
-
-       if(config.direction == OverlayConfig::BOTTOM_FIRST)
-       {
-               input_layer1 = get_total_buffers() - 1;
-               input_layer2 = -1;
-               step = -1;
-       }
-       else
-       {
-               input_layer1 = 0;
-               input_layer2 = get_total_buffers();
-               step = 1;
-       }
-
-       if(config.output_layer == OverlayConfig::TOP)
-       {
-               output_layer = 0;
-       }
-       else
-       {
-               output_layer = get_total_buffers() - 1;
-       }
-
-
-
-// Direct copy the first layer
-       output = frame[output_layer];
-       read_frame(output,
-               input_layer1,
-               start_position,
-               frame_rate,
-               get_use_opengl());
-
-       if(get_total_buffers() == 1) return 0;
-
-
-
-       current_layer = input_layer1;
-       if(get_use_opengl())
-               run_opengl();
-
-       for(int i = input_layer1 + step; i != input_layer2; i += step)
-       {
-               read_frame(temp,
-                       i,
-                       start_position,
-                       frame_rate,
-                       get_use_opengl());
-
-// Call the opengl handler once for each layer
-               if(get_use_opengl())
-               {
-                       current_layer = i;
-                       run_opengl();
-               }
-               else
-               {
-                       overlayer->overlay(output,
-                               temp,
-                               0,
-                               0,
-                               output->get_w(),
-                               output->get_h(),
-                               0,
-                               0,
-                               output->get_w(),
-                               output->get_h(),
-                               1,
-                               config.mode,
-                               NEAREST_NEIGHBOR);
-               }
-       }
-
-
-       return 0;
-}
-
-int Overlay::handle_opengl()
-{
-#ifdef HAVE_GL
-       static const char *get_pixels_frag =
-               "uniform sampler2D src_tex;\n"
-               "uniform sampler2D dst_tex;\n"
-               "uniform vec2 dst_tex_dimensions;\n"
-               "uniform vec3 chroma_offset;\n"
-               "void main()\n"
-               "{\n"
-               "       vec4 result_color;\n"
-               "       vec4 dst_color = texture2D(dst_tex, gl_FragCoord.xy / dst_tex_dimensions);\n"
-               "       vec4 src_color = texture2D(src_tex, gl_TexCoord[0].st);\n"
-               "       src_color.rgb -= chroma_offset;\n"
-               "       dst_color.rgb -= chroma_offset;\n";
-
-       static const char *put_pixels_frag =
-               "       result_color.rgb += chroma_offset;\n"
-               "       result_color.rgb = mix(dst_color.rgb, result_color.rgb, src_color.a);\n"
-               "       result_color.a = max(src_color.a, dst_color.a);\n"
-               "       gl_FragColor = result_color;\n"
-               "}\n";
-
-       static const char *blend_add_frag =
-               "       result_color.rgb = dst_color.rgb + src_color.rgb;\n";
-
-       static const char *blend_max_frag =
-               "       result_color.r = max(abs(dst_color.r, src_color.r);\n"
-               "       result_color.g = max(abs(dst_color.g, src_color.g);\n"
-               "       result_color.b = max(abs(dst_color.b, src_color.b);\n";
-
-       static const char *blend_min_frag =
-               "       result_color.r = min(abs(dst_color.r, src_color.r);\n"
-               "       result_color.g = min(abs(dst_color.g, src_color.g);\n"
-               "       result_color.b = min(abs(dst_color.b, src_color.b);\n";
-
-       static const char *blend_subtract_frag =
-               "       result_color.rgb = dst_color.rgb - src_color.rgb;\n";
-
-
-       static const char *blend_multiply_frag =
-               "       result_color.rgb = dst_color.rgb * src_color.rgb;\n";
-
-       static const char *blend_divide_frag =
-               "       result_color.rgb = dst_color.rgb / src_color.rgb;\n"
-               "       if(src_color.r == 0.0) result_color.r = 1.0;\n"
-               "       if(src_color.g == 0.0) result_color.g = 1.0;\n"
-               "       if(src_color.b == 0.0) result_color.b = 1.0;\n";
-
-
-       VFrame *src = temp;
-       VFrame *dst = get_output(output_layer);
-
-       dst->enable_opengl();
-       dst->init_screen();
-
-       const char *shader_stack[] = { 0, 0, 0 };
-       int current_shader = 0;
-
-
-
-
-// Direct copy layer
-       if(config.mode == TRANSFER_REPLACE)
-       {
-               src->to_texture();
-               src->bind_texture(0);
-               dst->enable_opengl();
-               dst->init_screen();
-
-// Multiply alpha
-               glDisable(GL_BLEND);
-               src->draw_texture();
-       }
-       else
-       if(config.mode == TRANSFER_NORMAL)
-       {
-               dst->enable_opengl();
-               dst->init_screen();
-
-// Move destination to screen
-               if(dst->get_opengl_state() != VFrame::SCREEN)
-               {
-                       dst->to_texture();
-                       dst->bind_texture(0);
-                       dst->draw_texture();
-               }
-
-               src->to_texture();
-               src->bind_texture(0);
-               dst->enable_opengl();
-               dst->init_screen();
-
-               glEnable(GL_BLEND);
-               glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-               src->draw_texture();
-       }
-       else
-       {
-// Read destination back to texture
-               dst->to_texture();
-
-               src->enable_opengl();
-               src->init_screen();
-               src->to_texture();
-
-               dst->enable_opengl();
-               dst->init_screen();
-               src->bind_texture(0);
-               dst->bind_texture(1);
-
-
-               shader_stack[current_shader++] = get_pixels_frag;
-
-               switch(config.mode)
-               {
-                       case TRANSFER_ADDITION:
-                               shader_stack[current_shader++] = blend_add_frag;
-                               break;
-                       case TRANSFER_SUBTRACT:
-                               shader_stack[current_shader++] = blend_subtract_frag;
-                               break;
-                       case TRANSFER_MULTIPLY:
-                               shader_stack[current_shader++] = blend_multiply_frag;
-                               break;
-                       case TRANSFER_DIVIDE:
-                               shader_stack[current_shader++] = blend_divide_frag;
-                               break;
-                       case TRANSFER_MAX:
-                               shader_stack[current_shader++] = blend_max_frag;
-                               break;
-                       case TRANSFER_MIN:
-                               shader_stack[current_shader++] = blend_min_frag;
-                               break;
-               }
-
-               shader_stack[current_shader++] = put_pixels_frag;
-
-               unsigned int shader_id = 0;
-               shader_id = VFrame::make_shader(0,
-                       shader_stack[0],
-                       shader_stack[1],
-                       shader_stack[2],
-                       0);
-
-               glUseProgram(shader_id);
-               glUniform1i(glGetUniformLocation(shader_id, "src_tex"), 0);
-               glUniform1i(glGetUniformLocation(shader_id, "dst_tex"), 1);
-               if(BC_CModels::is_yuv(dst->get_color_model()))
-                       glUniform3f(glGetUniformLocation(shader_id, "chroma_offset"), 0.0, 0.5, 0.5);
-               else
-                       glUniform3f(glGetUniformLocation(shader_id, "chroma_offset"), 0.0, 0.0, 0.0);
-               glUniform2f(glGetUniformLocation(shader_id, "dst_tex_dimensions"),
-                       (float)dst->get_texture_w(),
-                       (float)dst->get_texture_h());
-
-               glDisable(GL_BLEND);
-               src->draw_texture();
-               glUseProgram(0);
-       }
-
-       glDisable(GL_BLEND);
-       glActiveTexture(GL_TEXTURE1);
-       glDisable(GL_TEXTURE_2D);
-       glActiveTexture(GL_TEXTURE0);
-       glDisable(GL_TEXTURE_2D);
-
-       dst->set_opengl_state(VFrame::SCREEN);
-#endif
-       return 0;
-}
-
-
-const char* Overlay::plugin_title() { return _("Overlay"); }
-int Overlay::is_realtime() { return 1; }
-int Overlay::is_multichannel() { return 1; }
-int Overlay::is_synthesis() { return 1; }
-
-
-
-NEW_WINDOW_MACRO(Overlay, OverlayWindow)
-
-
-
-int Overlay::load_configuration()
-{
-       KeyFrame *prev_keyframe;
-       prev_keyframe = get_prev_keyframe(get_source_position());
-       read_data(prev_keyframe);
-       return 0;
-}
-
-
-void Overlay::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("OVERLAY");
-       output.tag.set_property("MODE", config.mode);
-       output.tag.set_property("DIRECTION", config.direction);
-       output.tag.set_property("OUTPUT_LAYER", config.output_layer);
-       output.append_tag();
-       output.tag.set_title("/OVERLAY");
-       output.append_tag();
-       output.terminate_string();
-}
-
-void Overlay::read_data(KeyFrame *keyframe)
-{
-       FileXML input;
-
-       input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
-
-       while(!input.read_tag())
-       {
-               if(input.tag.title_is("OVERLAY"))
-               {
-                       config.mode = input.tag.get_property("MODE", config.mode);
-                       config.direction = input.tag.get_property("DIRECTION", config.direction);
-                       config.output_layer = input.tag.get_property("OUTPUT_LAYER", config.output_layer);
-               }
-       }
-}
-
-void Overlay::update_gui()
-{
-       if(thread)
-       {
-               thread->window->lock_window("Overlay::update_gui");
-               ((OverlayWindow*)thread->window)->mode->set_text(OverlayConfig::mode_to_text(config.mode));
-               ((OverlayWindow*)thread->window)->direction->set_text(OverlayConfig::direction_to_text(config.direction));
-               ((OverlayWindow*)thread->window)->output->set_text(OverlayConfig::output_to_text(config.output_layer));
-               thread->window->unlock_window();
-       }
-}
-
-
-
-
-