hvirtual/cinelerra/attachmentpoint.C

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#include "attachmentpoint.h"
#include "filexml.h"
#include "edl.h"
#include "edlsession.h"
#include "mwindow.h"
#include "plugin.h"
#include "pluginserver.h"
#include "renderengine.h"
#include "transportque.h"
#include "virtualnode.h"



AttachmentPoint::AttachmentPoint(RenderEngine *renderengine, 
        Plugin *plugin,
        int data_type)
{
        reset_parameters();
        this->plugin = plugin;
        this->plugin_id = plugin->id;
        this->renderengine = renderengine;
        this->data_type = data_type;
        plugin_server = renderengine->scan_plugindb(plugin->title,
                data_type);
}

AttachmentPoint::~AttachmentPoint()
{
        delete_buffer_vector();
        plugin_servers.remove_all_objects();
}


int AttachmentPoint::reset_parameters()
{
        plugin_server = 0;
        reset_status();
        return 0;
}


void AttachmentPoint::reset_status()
{
        if(!this) printf("AttachmentPoint::reset_status NULL\n");
        start_position = 0;
        len = 0;
        sample_rate = 0;
        frame_rate = 0;
        is_processed = 0;
}


int AttachmentPoint::identical(AttachmentPoint *old)
{
        return plugin_id == old->plugin_id;
}


int AttachmentPoint::render_init()
{
        if(!this) printf("AttachmentPoint::render_init NULL\n");
        if(plugin_server && plugin->on)
        {
// Start new plugin servers if the number of nodes changed.
// The number of nodes can change independantly of the module's 
// attachment count.
                if(virtual_plugins.total != new_virtual_plugins.total)
                {
                        plugin_servers.remove_all_objects();
                        for(int i = 0; i < new_virtual_plugins.total; i++)
                        {
                                if(i == 0 || !plugin_server->multichannel)
                                {
                                        PluginServer *new_server;
                                        plugin_servers.append(new_server = new PluginServer(*plugin_server));
                                        new_server->set_attachmentpoint(this);
                                        plugin_servers.values[i]->open_plugin(0, 
                                                renderengine->preferences,
                                                renderengine->edl, 
                                                plugin,
                                                -1);
                                        plugin_servers.values[i]->init_realtime(
                                                renderengine->edl->session->real_time_playback &&
                                                        renderengine->command->realtime,
                                                plugin_server->multichannel ? new_virtual_plugins.total : 1,
                                                get_buffer_size());
                                }
                        }
                }

// Set new back pointers in the plugin servers
                if(plugin_server->multichannel && plugin_servers.total)
                {
                        PluginServer *new_server = plugin_servers.values[0];
                        new_server->reset_nodes();
                        for(int i = 0; i < new_virtual_plugins.total; i++)
                        {
                                new_server->append_node(new_virtual_plugins.values[i]);
                        }
                }
                else
                {
                        for(int i = 0; i < new_virtual_plugins.total; i++)
                        {
                                PluginServer *new_server = plugin_servers.values[i];
                                new_server->reset_nodes();
                                new_server->append_node(new_virtual_plugins.values[i]);
                        }
                }
        }

// Delete old plugin servers
        delete_buffer_vector();
        virtual_plugins.remove_all();

// Set new plugin servers
        for(int i = 0; i < new_virtual_plugins.total; i++)
                virtual_plugins.append(new_virtual_plugins.values[i]);
        new_virtual_plugins.remove_all();


        return 0;
}

void AttachmentPoint::render_stop()
{
        if(plugin_server && plugin->on)
        {
                for(int i = 0; i < plugin_servers.total; i++)
                {
                        plugin_servers.values[i]->render_stop();
                }
        }
}

int AttachmentPoint::attach_virtual_plugin(VirtualNode *virtual_plugin)
{
        if(!this) printf("AttachmentPoint::attach_virtual_plugin NULL\n");
        int buffer_number = 0;

        if(plugin_server && plugin->on)
        {
// add virtual plugin to list of new virtual plugins
                new_virtual_plugins.append(virtual_plugin);
//printf("AttachmentPoint::attach_virtual_plugin 1 %d\n", new_virtual_plugins.total);
// Always increment buffer number since this also corresponds to what 
// plugin server to access if single channel.
                buffer_number = new_virtual_plugins.total - 1;
        }
        else
        if(!plugin->on)
        {
                printf("AttachmentPoint::attach_virtual_plugin attempt to attach plugin when off.\n");
        }
        else
        if(!plugin_server)
        {
                printf("AttachmentPoint::attach_virtual_plugin attempt to attach when no plugin_server.\n");
        }

        return buffer_number;
}

int AttachmentPoint::multichannel_shared(int search_new)
{
        if(!this) printf("AttachmentPoint::multichannel_shared NULL\n");
        if(search_new)
        {
                if(new_virtual_plugins.total && 
                        plugin_server && 
                        plugin_server->multichannel) return 1;
        }
        else
        {
                if(virtual_plugins.total && 
                        plugin_server && 
                        plugin_server->multichannel) return 1;
        }
        return 0;
}

int AttachmentPoint::singlechannel()
{
        if(!this) printf("AttachmentPoint::singlechannel NULL\n");
        if(plugin_server && !plugin_server->multichannel) return 1;
        return 0;
}


void AttachmentPoint::render_gui(void *data)
{
        if(!this) printf("AttachmentPoint::render_gui 1 NULL\n");
        if(renderengine && renderengine->mwindow)
                renderengine->mwindow->render_plugin_gui(data, plugin);
}

void AttachmentPoint::render_gui(void *data, int size)
{
        if(!this) printf("AttachmentPoint::render_gui 2 NULL\n");
        if(renderengine && renderengine->mwindow)
                renderengine->mwindow->render_plugin_gui(data, size, plugin);
}

int AttachmentPoint::gui_open()
{
        if(renderengine && renderengine->mwindow)
                return renderengine->mwindow->plugin_gui_open(plugin);
        return 0;
}











int AttachmentPoint::dump()
{
        if(this)
        {
                printf("    Attachmentpoint %x virtual_plugins=%d\n", this, new_virtual_plugins.total);
                if(plugin_server) plugin_server->dump();
        }
        else
        {
                printf("    No Plugin\n");
        }
}

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