hvirtual/plugins/bandslide/bandslide.C

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


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






REGISTER_PLUGIN(BandSlideMain)





BandSlideCount::BandSlideCount(BandSlideMain *plugin, 
        BandSlideWindow *window,
        int x,
        int y)
 : BC_TumbleTextBox(window, 
                (int64_t)plugin->bands,
                (int64_t)0,
                (int64_t)1000,
                x, 
                y, 
                50)
{
        this->plugin = plugin;
        this->window = window;
}

int BandSlideCount::handle_event()
{
        plugin->bands = atol(get_text());
        plugin->send_configure_change();
        return 0;
}

BandSlideIn::BandSlideIn(BandSlideMain *plugin, 
        BandSlideWindow *window,
        int x,
        int y)
 : BC_Radial(x, 
                y, 
                plugin->direction == 0, 
                _("In"))
{
        this->plugin = plugin;
        this->window = window;
}

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

BandSlideOut::BandSlideOut(BandSlideMain *plugin, 
        BandSlideWindow *window,
        int x,
        int y)
 : BC_Radial(x, 
                y, 
                plugin->direction == 1, 
                _("Out"))
{
        this->plugin = plugin;
        this->window = window;
}

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








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


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

void BandSlideWindow::create_objects()
{
        int x = 10, y = 10;
        add_subwindow(new BC_Title(x, y, _("Bands:")));
        x += 50;
        count = new BandSlideCount(plugin, 
                this,
                x,
                y);
        count->create_objects();

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

        show_window();
        flush();
}




PLUGIN_THREAD_OBJECT(BandSlideMain, BandSlideThread, BandSlideWindow)






BandSlideMain::BandSlideMain(PluginServer *server)
 : PluginVClient(server)
{
        bands = 9;
        direction = 0;
        PLUGIN_CONSTRUCTOR_MACRO
}

BandSlideMain::~BandSlideMain()
{
        PLUGIN_DESTRUCTOR_MACRO
}

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

SHOW_GUI_MACRO(BandSlideMain, BandSlideThread);
SET_STRING_MACRO(BandSlideMain)
RAISE_WINDOW_MACRO(BandSlideMain)


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

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

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

        bands = defaults->get("BANDS", bands);
        direction = defaults->get("DIRECTION", direction);
        return 0;
}

int BandSlideMain::save_defaults()
{
        defaults->update("BANDS", bands);
        defaults->update("DIRECTION", direction);
        defaults->save();
        return 0;
}

void BandSlideMain::save_data(KeyFrame *keyframe)
{
        FileXML output;
        output.set_shared_string(keyframe->data, MESSAGESIZE);
        output.tag.set_title("BANDSLIDE");
        output.tag.set_property("BANDS", bands);
        output.tag.set_property("DIRECTION", direction);
        output.append_tag();
        output.tag.set_title("/BANDSLIDE");
        output.append_tag();
        output.terminate_string();
}

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

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

        while(!input.read_tag())
        {
                if(input.tag.title_is("BANDSLIDE"))
                {
                        bands = input.tag.get_property("BANDS", bands);
                        direction = input.tag.get_property("DIRECTION", direction);
                }
        }
}

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



#define BANDSLIDE(type, components) \
{ \
        if(direction == 0) \
        { \
                int x = w * \
                        PluginClient::get_source_position() / \
                        PluginClient::get_total_len(); \
                for(int i = 0; i < bands; i++) \
                { \
                        for(int j = 0; j < band_h; j++) \
                        { \
                                int row = i * band_h + j; \
                                 \
                                if(row >= 0 && row < h) \
                                { \
                                        type *in_row = (type*)incoming->get_rows()[row]; \
                                        type *out_row = (type*)outgoing->get_rows()[row]; \
                                         \
                                        if(i % 2) \
                                        { \
                                                for(int k = 0, l = w - x; k < x; k++, l++) \
                                                { \
                                                        out_row[k * components + 0] = in_row[l * components + 0]; \
                                                        out_row[k * components + 1] = in_row[l * components + 1]; \
                                                        out_row[k * components + 2] = in_row[l * components + 2]; \
                                                        if(components == 4) out_row[k * components + 3] = in_row[l * components + 3]; \
                                                } \
                                        } \
                                        else \
                                        { \
                                                for(int k = w - x, l = 0; k < w; k++, l++) \
                                                { \
                                                        out_row[k * components + 0] = in_row[l * components + 0]; \
                                                        out_row[k * components + 1] = in_row[l * components + 1]; \
                                                        out_row[k * components + 2] = in_row[l * components + 2]; \
                                                        if(components == 4) out_row[k * components + 3] = in_row[l * components + 3]; \
                                                } \
                                        } \
                                } \
                        } \
                } \
        } \
        else \
        { \
                int x = w - w * \
                        PluginClient::get_source_position() / \
                        PluginClient::get_total_len(); \
                for(int i = 0; i < bands; i++) \
                { \
                        for(int j = 0; j < band_h; j++) \
                        { \
                                int row = i * band_h + j; \
 \
                                if(row >= 0 && row < h) \
                                { \
                                        type *in_row = (type*)incoming->get_rows()[row]; \
                                        type *out_row = (type*)outgoing->get_rows()[row]; \
 \
                                        if(i % 2) \
                                        { \
                                                int k, l; \
                                                for(k = 0, l = w - x; k < x; k++, l++) \
                                                { \
                                                        out_row[k * components + 0] = out_row[l * components + 0]; \
                                                        out_row[k * components + 1] = out_row[l * components + 1]; \
                                                        out_row[k * components + 2] = out_row[l * components + 2]; \
                                                        if(components == 4) out_row[k * components + 3] = out_row[l * components + 3]; \
                                                } \
                                                for( ; k < w; k++) \
                                                { \
                                                        out_row[k * components + 0] = in_row[k * components + 0]; \
                                                        out_row[k * components + 1] = in_row[k * components + 1]; \
                                                        out_row[k * components + 2] = in_row[k * components + 2]; \
                                                        if(components == 4) out_row[k * components + 3] = in_row[k * components + 3]; \
                                                } \
                                        } \
                                        else \
                                        { \
                                                for(int k = w - 1, l = x - 1; k >= w - x; k--, l--) \
                                                { \
                                                        out_row[k * components + 0] = out_row[l * components + 0]; \
                                                        out_row[k * components + 1] = out_row[l * components + 1]; \
                                                        out_row[k * components + 2] = out_row[l * components + 2]; \
                                                        if(components == 4) out_row[k * components + 3] = out_row[l * components + 3]; \
                                                } \
                                                for(int k = 0; k < w - x; k++) \
                                                { \
                                                        out_row[k * components + 0] = in_row[k * components + 0]; \
                                                        out_row[k * components + 1] = in_row[k * components + 1]; \
                                                        out_row[k * components + 2] = in_row[k * components + 2]; \
                                                        if(components == 4) out_row[k * components + 3] = in_row[k * components + 3]; \
                                                } \
                                        } \
                                } \
                        } \
                } \
        } \
}



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

        int w = incoming->get_w();
        int h = incoming->get_h();
        int band_h = ((bands == 0) ? h : (h / bands + 1));

        switch(incoming->get_color_model())
        {
                case BC_RGB888:
                case BC_YUV888:
                        BANDSLIDE(unsigned char, 3)
                        break;
                case BC_RGB_FLOAT:
                        BANDSLIDE(float, 3);
                        break;
                case BC_RGBA8888:
                case BC_YUVA8888:
                        BANDSLIDE(unsigned char, 4)
                        break;
                case BC_RGBA_FLOAT:
                        BANDSLIDE(float, 4);
                        break;
                case BC_RGB161616:
                case BC_YUV161616:
                        BANDSLIDE(uint16_t, 3)
                        break;
                case BC_RGBA16161616:
                case BC_YUVA16161616:
                        BANDSLIDE(uint16_t, 4)
                        break;
        }

        return 0;
}

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