hvirtual/cinelerra/vwindow.C

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#include "asset.h"
#include "assets.h"
#include "clipedit.h"
#include "bchash.h"
#include "edl.h"
#include "edlsession.h"
#include "filesystem.h"
#include "filexml.h"
#include "language.h"
#include "localsession.h"
#include "mainclock.h"
#include "mwindow.h"
#include "mwindowgui.h"
#include "playbackengine.h"
#include "tracks.h"
#include "transportque.h"
#include "vplayback.h"
#include "vtimebar.h"
#include "vtracking.h"
#include "vwindow.h"
#include "vwindowgui.h"


VWindow::VWindow(MWindow *mwindow) : Thread()
{
        this->mwindow = mwindow;
        asset = 0;
}


VWindow::~VWindow()
{
//printf("VWindow::~VWindow 1\n");
        delete playback_engine;
//printf("VWindow::~VWindow 1\n");
        delete playback_cursor;
        delete_edl();
        delete clip_edit;
//printf("VWindow::~VWindow 2\n");
}

void VWindow::delete_edl()
{
//printf("VWindow::delete_edl 1\n");
        if(mwindow->edl->vwindow_edl && !mwindow->edl->vwindow_edl_shared)
        {
                delete mwindow->edl->vwindow_edl;
                mwindow->edl->vwindow_edl = 0;
                mwindow->edl->vwindow_edl_shared = 0;
        }

        if(asset) Garbage::delete_object(asset);
        asset = 0;
}


void VWindow::load_defaults()
{
}

int VWindow::create_objects()
{
//printf("VWindow::create_objects 1\n");
        gui = new VWindowGUI(mwindow, this);
//printf("VWindow::create_objects 1\n");
        gui->create_objects();
//printf("VWindow::create_objects 1\n");

        playback_engine = new VPlayback(mwindow, this, gui->canvas);
//printf("VWindow::create_objects 1\n");

// Start command loop
        playback_engine->create_objects();
//printf("VWindow::create_objects 1\n");
        gui->transport->set_engine(playback_engine);
//printf("VWindow::create_objects 1\n");
        playback_cursor = new VTracking(mwindow, this);
//printf("VWindow::create_objects 1\n");
        playback_cursor->create_objects();
//printf("VWindow::create_objects 2\n");

        clip_edit = new ClipEdit(mwindow, 0, this);
        return 0;
}

void VWindow::run()
{
        gui->run_window();
}

EDL* VWindow::get_edl()
{
//printf("VWindow::get_edl 1 %p\n", edl);
        return mwindow->edl->vwindow_edl;
}

Asset* VWindow::get_asset()
{
        return this->asset;
}

void VWindow::change_source()
{
//printf("VWindow::change_source() 1 %p\n", mwindow->edl->vwindow_edl);
        if(mwindow->edl->vwindow_edl)
        {
                gui->change_source(get_edl(), get_edl()->local_session->clip_title);
                update_position(CHANGE_ALL, 1, 1);
        }
        else
        {
                if(asset) Garbage::delete_object(asset);
                asset = 0;
                mwindow->edl->vwindow_edl_shared = 0;
        }
}

void VWindow::change_source(Asset *asset)
{
//printf("VWindow::change_source 1\n");
//      if(asset && this->asset &&
//              asset->id == this->asset->id &&
//              asset == this->asset) return;

//printf("VWindow::change_source(Asset *asset) 1\n");

        char title[BCTEXTLEN];
        FileSystem fs;
        fs.extract_name(title, asset->path);
//printf("VWindow::change_source 1\n");

        delete_edl();
//printf("VWindow::change_source 1\n");

// Generate EDL off of main EDL for cutting
        this->asset = new Asset;
        *this->asset = *asset;
        mwindow->edl->vwindow_edl = new EDL(mwindow->edl);
        mwindow->edl->vwindow_edl_shared = 0;
        mwindow->edl->vwindow_edl->create_objects();
        mwindow->asset_to_edl(mwindow->edl->vwindow_edl, asset);
//printf("VWindow::change_source 1 %d %d\n", edl->local_session->loop_playback, mwindow->edl->local_session->loop_playback);
//edl->dump();

// Update GUI
        gui->change_source(mwindow->edl->vwindow_edl, title);
        update_position(CHANGE_ALL, 1, 1);


// Update master session
        strcpy(mwindow->edl->session->vwindow_folder, MEDIA_FOLDER);
        mwindow->edl->session->vwindow_source = 0;
        int i = 0;
        for(Asset *current = mwindow->edl->assets->first; 
                current;
                current = NEXT)
        {
                if(this->asset->equivalent(*current, 0, 0))
                {
                        mwindow->edl->session->vwindow_source = i;
                        break;
                }
                i++;
        }

//printf("VWindow::change_source 2\n");
}

void VWindow::change_source(EDL *edl)
{
//printf("VWindow::change_source(EDL *edl) 1\n");
//printf("VWindow::change_source %p\n", edl);
// EDLs are identical
        if(edl && mwindow->edl->vwindow_edl && 
                edl->id == mwindow->edl->vwindow_edl->id) return;

        delete_edl();

        if(edl)
        {
                this->asset = 0;
                mwindow->edl->vwindow_edl = edl;
// in order not to later delete edl if it is shared
                mwindow->edl->vwindow_edl_shared = 1;

// Update GUI
                gui->change_source(edl, edl->local_session->clip_title);
                update_position(CHANGE_ALL, 1, 1);

// Update master session
                strcpy(mwindow->edl->session->vwindow_folder, CLIP_FOLDER);
                mwindow->edl->session->vwindow_source = 
                        mwindow->edl->clips.number_of(edl);
        }
        else
                gui->change_source(edl, _("Viewer"));
}


void VWindow::remove_source()
{
        delete_edl();
        gui->change_source(0, _("Viewer"));
}

void VWindow::change_source(char *folder, int item)
{
//printf("VWindow::change_source(char *folder, int item) 1\n");
        int result = 0;
// Search EDLs
        if(!strcasecmp(folder, CLIP_FOLDER))
        {
                if(item < mwindow->edl->clips.total)
                {
                        change_source(mwindow->edl->clips.values[item]);
                        result = 1;
                }
        }
        else
// Search media
        if(!strcasecmp(folder, MEDIA_FOLDER))
        {
                if(item < mwindow->edl->assets->total())
                {
                        change_source(mwindow->edl->assets->get_item_number(item));
                        result = 1;
                }
        }
        else
// Search extra clip folders
        {
        }
        
        if(!result)
        {
                remove_source();
        }
}




void VWindow::goto_start()
{
        if(get_edl())
        {
                get_edl()->local_session->set_selectionstart(0);
                get_edl()->local_session->set_selectionend(0);
                update_position(CHANGE_NONE, 
                        0, 
                        1);
        }
}

void VWindow::goto_end()
{
        if(get_edl())
        {
                double position = get_edl()->tracks->total_length();
                get_edl()->local_session->set_selectionstart(position);
                get_edl()->local_session->set_selectionend(position);
                update_position(CHANGE_NONE, 
                        0, 
                        1);
        }
}

void VWindow::update(int do_timebar)
{
        if(do_timebar)
                gui->timebar->update();
}

void VWindow::update_position(int change_type, 
        int use_slider, 
        int update_slider)
{
        EDL *edl = get_edl();
        if(edl)
        {
                Asset *asset = edl->assets->first;
                if(use_slider) 
                {
                        edl->local_session->set_selectionstart(gui->slider->get_value());
                        edl->local_session->set_selectionend(gui->slider->get_value());
                }

                if(update_slider)
                {
                        gui->slider->set_position();
                }

                playback_engine->que->send_command(CURRENT_FRAME, 
                        change_type,
                        edl,
                        1);

                gui->clock->update(edl->local_session->get_selectionstart(1) +
                        asset->tcstart / 
                        (asset->video_data ? asset->frame_rate : asset->sample_rate));
        }
}

void VWindow::set_inpoint()
{
        EDL *edl = get_edl();
        if(edl)
        {
                edl->set_inpoint(edl->local_session->get_selectionstart(1));
                gui->timebar->update();
        }
}

void VWindow::set_outpoint()
{
        EDL *edl = get_edl();
        if(edl)
        {
                edl->set_outpoint(edl->local_session->get_selectionstart(1));
                gui->timebar->update();
        }
}

void VWindow::clear_inpoint()
{
        EDL *edl = get_edl();
        if(edl)
        {
                edl->local_session->unset_inpoint();
                gui->timebar->update();
        }
}

void VWindow::clear_outpoint()
{
        EDL *edl = get_edl();
        if(edl)
        {
                edl->local_session->unset_outpoint();
                gui->timebar->update();
        }
}

void VWindow::copy()
{
        EDL *edl = get_edl();
        if(edl)
        {
                double start = edl->local_session->get_selectionstart();
                double end = edl->local_session->get_selectionend();
                FileXML file;
                edl->copy(start,
                        end,
                        0,
                        0,
                        0,
                        &file,
                        mwindow->plugindb,
                        "",
                        1);
                mwindow->gui->lock_window();
                mwindow->gui->get_clipboard()->to_clipboard(file.string,
                        strlen(file.string),
                        SECONDARY_SELECTION);
                mwindow->gui->unlock_window();
        }
}

void VWindow::splice_selection()
{
}

void VWindow::overwrite_selection()
{
}

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