hvirtual/plugins/slide/slide.C

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#include "bcdisplayinfo.h"
#include "bchash.h"
#include "edl.inc"
#include "filexml.h"
#include "overlayframe.h"
#include "picon_png.h"
#include "vframe.h"
#include "slide.h"


#include <stdint.h>
#include <string.h>

#include <libintl.h>
#define _(String) gettext(String)
#define gettext_noop(String) String
#define N_(String) gettext_noop (String)

REGISTER_PLUGIN(SlideMain)





SlideLeft::SlideLeft(SlideMain *plugin, 
        SlideWindow *window,
        int x,
        int y)
 : BC_Radial(x, 
                y, 
                plugin->motion_direction == 0, 
                _("Left"))
{
        this->plugin = plugin;
        this->window = window;
}

int SlideLeft::handle_event()
{
        update(1);
        plugin->motion_direction = 0;
        window->right->update(0);
        plugin->send_configure_change();
        return 0;
}

SlideRight::SlideRight(SlideMain *plugin, 
        SlideWindow *window,
        int x,
        int y)
 : BC_Radial(x, 
                y, 
                plugin->motion_direction == 1, 
                _("Right"))
{
        this->plugin = plugin;
        this->window = window;
}

int SlideRight::handle_event()
{
        update(1);
        plugin->motion_direction = 1;
        window->left->update(0);
        plugin->send_configure_change();
        return 0;
}

SlideIn::SlideIn(SlideMain *plugin, 
        SlideWindow *window,
        int x,
        int y)
 : BC_Radial(x, 
                y, 
                plugin->direction == 0, 
                _("In"))
{
        this->plugin = plugin;
        this->window = window;
}

int SlideIn::handle_event()
{
        update(1);
        plugin->direction = 0;
        window->out->update(0);
        plugin->send_configure_change();
        return 0;
}

SlideOut::SlideOut(SlideMain *plugin, 
        SlideWindow *window,
        int x,
        int y)
 : BC_Radial(x, 
                y, 
                plugin->direction == 1, 
                _("Out"))
{
        this->plugin = plugin;
        this->window = window;
}

int SlideOut::handle_event()
{
        update(1);
        plugin->direction = 1;
        window->in->update(0);
        plugin->send_configure_change();
        return 0;
}








SlideWindow::SlideWindow(SlideMain *plugin, int x, int y)
 : BC_Window(plugin->gui_string, 
        x, 
        y, 
        320, 
        100, 
        320, 
        100, 
        0, 
        0,
        1)
{
        this->plugin = plugin;
}


int SlideWindow::close_event()
{
        set_done(1);
        return 1;
}

void SlideWindow::create_objects()
{
        int x = 10, y = 10;
        add_subwindow(new BC_Title(x, y, _("Direction:")));
        x += 100;
        add_subwindow(left = new SlideLeft(plugin, 
                this,
                x,
                y));
        x += 100;
        add_subwindow(right = new SlideRight(plugin, 
                this,
                x,
                y));

        y += 30;
        x = 10;
        add_subwindow(new BC_Title(x, y, _("Direction:")));
        x += 100;
        add_subwindow(in = new SlideIn(plugin, 
                this,
                x,
                y));
        x += 100;
        add_subwindow(out = new SlideOut(plugin, 
                this,
                x,
                y));

        show_window();
        flush();
}




PLUGIN_THREAD_OBJECT(SlideMain, SlideThread, SlideWindow)






SlideMain::SlideMain(PluginServer *server)
 : PluginVClient(server)
{
        motion_direction = 0;
        direction = 0;
        PLUGIN_CONSTRUCTOR_MACRO
}

SlideMain::~SlideMain()
{
        PLUGIN_DESTRUCTOR_MACRO
}

char* SlideMain::plugin_title() { return N_("Slide"); }
int SlideMain::is_video() { return 1; }
int SlideMain::is_transition() { return 1; }
int SlideMain::uses_gui() { return 1; }

SHOW_GUI_MACRO(SlideMain, SlideThread);
SET_STRING_MACRO(SlideMain)
RAISE_WINDOW_MACRO(SlideMain)


VFrame* SlideMain::new_picon()
{
        return new VFrame(picon_png);
}

int SlideMain::load_defaults()
{
        char directory[BCTEXTLEN];
// set the default directory
        sprintf(directory, "%sslide.rc", BCASTDIR);

// load the defaults
        defaults = new BC_Hash(directory);
        defaults->load();

        motion_direction = defaults->get("MOTION_DIRECTION", motion_direction);
        direction = defaults->get("DIRECTION", direction);
        return 0;
}

int SlideMain::save_defaults()
{
        defaults->update("MOTION_DIRECTION", motion_direction);
        defaults->update("DIRECTION", direction);
        defaults->save();
        return 0;
}

void SlideMain::save_data(KeyFrame *keyframe)
{
        FileXML output;
        output.set_shared_string(keyframe->data, MESSAGESIZE);
        output.tag.set_title("SLIDE");
        output.tag.set_property("MOTION_DIRECTION", motion_direction);
        output.tag.set_property("DIRECTION", direction);
        output.append_tag();
        output.tag.set_title("/SLIDE");
        output.append_tag();
        output.terminate_string();
}

void SlideMain::read_data(KeyFrame *keyframe)
{
        FileXML input;

        input.set_shared_string(keyframe->data, strlen(keyframe->data));

        while(!input.read_tag())
        {
                if(input.tag.title_is("SLIDE"))
                {
                        motion_direction = input.tag.get_property("MOTION_DIRECTION", motion_direction);
                        direction = input.tag.get_property("DIRECTION", direction);
                }
        }
}

void SlideMain::load_configuration()
{
        read_data(get_prev_keyframe(get_source_position()));
}




#define SLIDE(type, components) \
{ \
        if(direction == 0) \
        { \
                int in_add, out_add, cpy_len; \
                if(motion_direction == 0) \
                { \
                        int x = w *  \
                                PluginClient::get_source_position() /  \
                                PluginClient::get_total_len(); \
                        out_add = 0; \
                        in_add = (w - x) * components * sizeof(type); \
                        cpy_len = x * components * sizeof(type); \
                } \
                else \
                { \
                        int x = w - w *  \
                                PluginClient::get_source_position() /  \
                                PluginClient::get_total_len(); \
                        out_add = x * components * sizeof(type); \
                        in_add = 0; \
                        cpy_len = (w - x) * components * sizeof(type); \
                } \
 \
                for(int j = 0; j < h; j++) \
                { \
                        memcpy( ((char *)outgoing->get_rows()[j]) + out_add, \
                                ((char *)incoming->get_rows()[j]) + in_add, \
                                cpy_len); \
                } \
        } \
        else \
        { \
                if(motion_direction == 0) \
                { \
                        int x = w - w *  \
                                PluginClient::get_source_position() /  \
                                PluginClient::get_total_len(); \
                        for(int j = 0; j < h; j++) \
                        { \
                                char *in_row = (char*)incoming->get_rows()[j]; \
                                char *out_row = (char*)outgoing->get_rows()[j]; \
                                memmove(out_row + 0, out_row + ((w - x) * components * sizeof(type)), x * components * sizeof(type)); \
                                memcpy (out_row + x * components * sizeof(type), in_row + x * components * sizeof (type), (w - x) * components * sizeof(type)); \
                        } \
                } \
                else \
                { \
                        int x = w *  \
                                PluginClient::get_source_position() /  \
                                PluginClient::get_total_len(); \
                        for(int j = 0; j < h; j++) \
                        { \
                                char *in_row = (char*)incoming->get_rows()[j]; \
                                char *out_row = (char*)outgoing->get_rows()[j]; \
         \
                                memmove(out_row + (x * components *sizeof(type)), out_row + 0, (w - x) * components * sizeof(type)); \
                                memcpy (out_row + 0, in_row + 0, (x) * components * sizeof(type)); \
                        } \
                } \
        } \
}





int SlideMain::process_realtime(VFrame *incoming, VFrame *outgoing)
{
        load_configuration();

        int w = incoming->get_w();
        int h = incoming->get_h();

//      struct timeval start_time;
//      gettimeofday(&start_time, 0);

        switch(incoming->get_color_model())
        {
                case BC_RGB_FLOAT:
                        SLIDE(float, 3)
                        break;
                case BC_RGBA_FLOAT:
                        SLIDE(float, 4)
                        break;
                case BC_RGB888:
                case BC_YUV888:
                        SLIDE(unsigned char, 3)
                        break;
                case BC_RGBA8888:
                case BC_YUVA8888:
                        SLIDE(unsigned char, 4)
                        break;
                case BC_RGB161616:
                case BC_YUV161616:
                        SLIDE(uint16_t, 3)
                        break;
                case BC_RGBA16161616:
                case BC_YUVA16161616:
                        SLIDE(uint16_t, 4)
                        break;
        }
        
//      int64_t dif= get_difference(&start_time);
//      printf("diff: %lli\n", dif);

        return 0;
}

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