pluginset.C

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#include "edl.h"
#include "edlsession.h"
#include "filexml.h"
#include "keyframe.h"
#include "keyframes.h"
#include "plugin.h"
#include "pluginautos.h"
#include "pluginset.h"
#include "track.h"

#include <string.h>

PluginSet::PluginSet(EDL *edl, Track *track)
 : Edits(edl, track)
{
        record = 1;
}

PluginSet::~PluginSet()
{
        while(last) delete last;
}


PluginSet& PluginSet::operator=(PluginSet& plugins)
{
printf("PluginSet::operator= 1\n");
        copy_from(&plugins);
        return *this;
}

void PluginSet::copy_from(PluginSet *src)
{
        while(last) delete last;
        for(Plugin *current = (Plugin*)src->first; current; current = (Plugin*)NEXT)
        {
                Plugin *new_plugin;
                append(new_plugin = (Plugin*)create_edit());
                new_plugin->copy_from(current);
        }
        this->record = src->record;
}

Plugin* PluginSet::get_first_plugin()
{
// Called when a new pluginset is added.
// Get first non-silence plugin in the plugin set.
        for(Plugin *current = (Plugin*)first; current; current = (Plugin*)NEXT)
        {
                if(current && current->plugin_type != PLUGIN_NONE)
                {
                        return current;
                }
        }
        return 0;
}

int64_t PluginSet::plugin_change_duration(int64_t input_position, 
        int64_t input_length, 
        int reverse)
{
        int result = input_length;
        Edit *current;

        if(reverse)
        {
                int input_start = input_position - input_length;
                for(current = last; current; current = PREVIOUS)
                {
                        int start = current->startproject;
                        int end = start + current->length;
                        if(end > input_start && end < input_position)
                        {
                                result = input_position - end;
                                return result;
                        }
                        else
                        if(start > input_start && start < input_position)
                        {
                                result = input_position - start;
                                return result;
                        }
                }
        }
        else
        {
                int input_end = input_position + input_length;
                for(current = first; current; current = NEXT)
                {
                        int start = current->startproject;
                        int end = start + current->length;
                        if(start > input_position && start < input_end)
                        {
                                result = start - input_position;
                                return result;
                        }
                        else
                        if(end > input_position && end < input_end)
                        {
                                result = end - input_position;
                                return result;
                        }
                }
        }
        return input_length;
}

void PluginSet::synchronize_params(PluginSet *plugin_set)
{
        for(Plugin *this_plugin = (Plugin*)first, *that_plugin = (Plugin*)plugin_set->first;
                this_plugin && that_plugin;
                this_plugin = (Plugin*)this_plugin->next, that_plugin = (Plugin*)that_plugin->next)
        {
                this_plugin->synchronize_params(that_plugin);
        }
}

Plugin* PluginSet::insert_plugin(char *title, 
        int64_t unit_position, 
        int64_t unit_length,
        int plugin_type,
        SharedLocation *shared_location,
        KeyFrame *default_keyframe,
        int do_optimize)
{
        Plugin *plugin = (Plugin*)create_and_insert_edit(unit_position, 
                unit_position + unit_length);


        if(title) strcpy(plugin->title, title);

        if(shared_location) plugin->shared_location = *shared_location;

        plugin->plugin_type = plugin_type;

        if(default_keyframe) 
                *plugin->keyframes->default_auto = *default_keyframe;
        plugin->keyframes->default_auto->position = unit_position;

// May delete the plugin we just added so not desirable while loading.
        if(do_optimize) optimize();
        return plugin;
}

Edit* PluginSet::create_edit()
{
        Plugin* result = new Plugin(edl, this, "");
        return result;
}

Edit* PluginSet::insert_edit_after(Edit *previous_edit)
{
        Plugin *current = new Plugin(edl, this, "");
        List<Edit>::insert_after(previous_edit, current);
        return (Edit*)current;
}


int PluginSet::get_number()
{
        return track->plugin_set.number_of(this);
}

void PluginSet::clear(int64_t start, int64_t end)
{
// Clear keyframes
        for(Plugin *current = (Plugin*)first;
                current;
                current = (Plugin*)NEXT)
        {
                current->keyframes->clear(start, end, 1);
        }

// Clear edits
        Edits::clear(start, end);
}

void PluginSet::clear_recursive(int64_t start, int64_t end)
{
//printf("PluginSet::clear_recursive 1\n");
        clear(start, end);
}

void PluginSet::shift_keyframes_recursive(int64_t position, int64_t length)
{
// Plugin keyframes are shifted in shift_effects
}

void PluginSet::shift_effects_recursive(int64_t position, int64_t length)
{
// Effects are shifted in length extension
//      shift_effects(position, length);
}


void PluginSet::clear_keyframes(int64_t start, int64_t end)
{
        for(Plugin *current = (Plugin*)first; current; current = (Plugin*)NEXT)
        {
                current->clear_keyframes(start, end);
        }
}

void PluginSet::copy_keyframes(int64_t start, 
        int64_t end, 
        FileXML *file, 
        int default_only,
        int autos_only)
{
        file->tag.set_title("PLUGINSET");       
        file->append_tag();
        file->append_newline();

        for(Plugin *current = (Plugin*)first; 
                current; 
                current = (Plugin*)NEXT)
        {
                current->copy_keyframes(start, end, file, default_only, autos_only);
        }

        file->tag.set_title("/PLUGINSET");      
        file->append_tag();
        file->append_newline();
}


void PluginSet::paste_keyframes(int64_t start, 
        int64_t length, 
        FileXML *file, 
        int default_only,
        Track *track)
{
        int result = 0;
        Plugin *current;
        
        PluginSet *target_pluginset;
        Plugin *first_target_plugin = 0;

        ArrayList<PluginSet*> unused_pluginsets;
        
// get all available target pluginsets, we will be removing them one by one when we will paste into them
        for (int i = 0; i < track->plugin_set.total; i++)
        {
                unused_pluginsets.append(track->plugin_set.values[i]);
        }
        
        char data[MESSAGESIZE];
        char data_default_keyframe[MESSAGESIZE];
        int default_keyframe;
        int do_default_keyframe = 0;
        
        while(!result)
        {
                result = file->read_tag();

                if(!result)
                {
                        if(file->tag.title_is("/PLUGINSETS"))
                                result = 1;
                        else
                        if(file->tag.title_is("PLUGINSET"))
                        {
                                target_pluginset = 0;
                                first_target_plugin = 0;
                        }
                        else
                        if(file->tag.title_is("KEYFRAME"))
                        {
                                int64_t position = file->tag.get_property("POSITION", 0);
                                position += start;
                                if(file->tag.get_property("DEFAULT", 0))
                                {
// remember the default keyframe, we'll use it later
                                        default_keyframe = 1; 
                                        do_default_keyframe = 1;
                                        file->read_text_until("/KEYFRAME", data_default_keyframe, MESSAGESIZE);
                                }
                                else
                                {
                                        default_keyframe = 0;
                                        file->read_text_until("/KEYFRAME", data, MESSAGESIZE);
                                
                                }

//                              printf("d: a%sb\n", data);
                                Plugin *picked_first_target = 0;
                                if (!target_pluginset && default_keyframe && default_only && strlen(data_default_keyframe) > 0)
                                {
                                        strcpy(data, data_default_keyframe);
                                } 
                                if ((!target_pluginset && !default_keyframe && strlen(data) > 0) ||     
                                    (!target_pluginset && default_keyframe && default_only && strlen(data_default_keyframe) > 0))        
                                {
// now try to find the target           
                                        int name_len = strchr(data, ' ') - data + 1;

                                        PluginSet *second_choice = 0;
                                        Plugin *second_choice_first_target_plugin = 0;
                                        for (int i = 0; i < unused_pluginsets.total && !target_pluginset; i++)
                                        {
                                                PluginSet *pluginset = unused_pluginsets.values[i];
                                                Plugin *current;
                                                for(current = (Plugin*)(pluginset->last); 
                                                        current;
                                                        current = (Plugin*)PREVIOUS)
                                                {
                                                        if(position >= current->startproject 
                                                        && position <= current->length + current->startproject 
                                                        && !strncmp(((KeyFrame *)current->keyframes->default_auto)->data, data, name_len))
                                                        {
                                                                target_pluginset = pluginset;
                                                                first_target_plugin = current;
                                                                break;
                                                        }
                                                        if(position >= current->startproject 
                                                        && !strncmp(((KeyFrame *)current->keyframes->default_auto)->data, data, name_len))
                                                        {
                                                                second_choice = pluginset;
                                                                second_choice_first_target_plugin = current;
                                                                break;
                                                        }
                                                                                                
                                                }
                                        }
                                        if (!target_pluginset) 
                                        {
                                                target_pluginset = second_choice;
                                                first_target_plugin = second_choice_first_target_plugin;
                                        }
                                }
//                              printf(" Target: %p\n", target_pluginset);
                                if (target_pluginset) 
                                {
                                        unused_pluginsets.remove(target_pluginset);
                                        if (do_default_keyframe)
                                        {
// default plugin is always delayed
                                                KeyFrame *keyframe = (KeyFrame*)first_target_plugin->keyframes->default_auto;
                                                strcpy(keyframe->data, data_default_keyframe);
                                                keyframe->position = position;
                                                do_default_keyframe = 0;
                                        }
                                        if (!default_only && !default_keyframe)
                                        {
                                                for(current = (Plugin*)target_pluginset->last; 
                                                        current;
                                                        current = (Plugin*)PREVIOUS)
                                                {
                                                        if(position >= current->startproject)
                                                        {
                                                                KeyFrame *keyframe;
                                                                keyframe = (KeyFrame*)current->keyframes->insert_auto(position);
                                                                strcpy(keyframe->data, data);
                                                                keyframe->position = position;
                                                                break;
                                                        }
                                                }
                                        }
                                }
                                
// Get plugin owning keyframe
/*
                                for(current = (Plugin*)last; 
                                        current;
                                        current = (Plugin*)PREVIOUS)
                                {
// We want keyframes to exist beyond the end of the last plugin to
// make editing intuitive, but it will always be possible to 
// paste keyframes from one plugin into an incompatible plugin.
                                        if(position >= current->startproject)
                                        {
                                                KeyFrame *keyframe;
                                                if(file->tag.get_property("DEFAULT", 0) || default_only)
                                                {
                                                        keyframe = (KeyFrame*)current->keyframes->default_auto;
                                                }
                                                else
                                                {
                                                        keyframe = 
                                                                (KeyFrame*)current->keyframes->insert_auto(position);
                                                }
                                                keyframe->load(file);
                                                keyframe->position = position;
                                                break;
                                        }
                                }
*/
                        }
                }
        }
}

void PluginSet::shift_effects(int64_t start, int64_t length)
{
        for(Plugin *current = (Plugin*)first;
                current;
                current = (Plugin*)NEXT)
        {
// Shift beginning of this effect
                if(current->startproject >= start)
                {
                        current->startproject += length;
                }
                else
// Extend end of this effect.
// In loading new files, the effect should extend to fill the entire track.
// In muting, the effect must extend to fill the gap if another effect follows.
// The user should use Settings->edit effects to disable this.
                if(current->startproject + current->length >= start)
                {
                        current->length += length;
                }

// Shift keyframes in this effect.
// If the default keyframe lands on the starting point, it must be shifted
// since the effect start is shifted.
                if(current->keyframes->default_auto->position >= start)
                        current->keyframes->default_auto->position += length;

                current->keyframes->paste_silence(start, start + length);
        }
}

void PluginSet::copy(int64_t start, int64_t end, FileXML *file)
{
        file->tag.set_title("PLUGINSET");       
        file->tag.set_property("RECORD", record);
        file->append_tag();
        file->append_newline();

        for(Plugin *current = (Plugin*)first; current; current = (Plugin*)NEXT)
        {
                current->copy(start, end, file);
        }

        file->tag.set_title("/PLUGINSET");      
        file->append_tag();
        file->append_newline();
}

void PluginSet::save(FileXML *file)
{
        copy(0, length(), file);
}

void PluginSet::load(FileXML *file, uint32_t load_flags)
{
        int result = 0;
// Current plugin being amended
        Plugin *plugin = (Plugin*)first;
        int64_t startproject = 0;

        record = file->tag.get_property("RECORD", record);
        do{
                result = file->read_tag();


                if(!result)
                {
                        if(file->tag.title_is("/PLUGINSET"))
                        {
                                result = 1;
                        }
                        else
                        if(file->tag.title_is("PLUGIN"))
                        {
                                int64_t length = file->tag.get_property("LENGTH", (int64_t)0);
                                int plugin_type = file->tag.get_property("TYPE", 1);
                                char title[BCTEXTLEN];
                                title[0] = 0;
                                file->tag.get_property("TITLE", title);
                                SharedLocation shared_location;
                                shared_location.load(file);


                                if(load_flags & LOAD_EDITS)
                                {
                                        plugin = insert_plugin(title, 
                                                startproject, 
                                                length,
                                                plugin_type,
                                                &shared_location,
                                                0,
                                                0);
                                        plugin->load(file);
                                        startproject += length;
                                }
                                else
                                if(load_flags & LOAD_AUTOMATION)
                                {
                                        if(plugin)
                                        {
                                                plugin->load(file);
                                                plugin = (Plugin*)plugin->next;
                                        }
                                }
                        }
                }
        }while(!result);
}



int PluginSet::optimize()
{
        int result = 1;
        Plugin *current_edit;


// Delete keyframes out of range
        for(current_edit = (Plugin*)first;
                current_edit; 
                current_edit = (Plugin*)current_edit->next)
        {
                current_edit->keyframes->default_auto->position = 0;
                for(KeyFrame *current_keyframe = (KeyFrame*)current_edit->keyframes->last;
                        current_keyframe; )
                {
                        KeyFrame *previous_keyframe = (KeyFrame*)current_keyframe->previous;
                        if(current_keyframe->position > 
                                current_edit->startproject + current_edit->length ||
                                current_keyframe->position < current_edit->startproject)
                        {
                                delete current_keyframe;
                        }
                        current_keyframe = previous_keyframe;
                }
        }

// Insert silence between plugins
        for(Plugin *current = (Plugin*)last; current; current = (Plugin*)PREVIOUS)
        {
                if(current->previous)
                {
                        Plugin *previous = (Plugin*)PREVIOUS;

                        if(current->startproject - 
                                previous->startproject - 
                                previous->length > 0)
                        {
                                Plugin *new_plugin = (Plugin*)create_edit();
                                insert_before(current, new_plugin);
                                new_plugin->startproject = previous->startproject + 
                                        previous->length;
                                new_plugin->length = current->startproject - 
                                        previous->startproject - 
                                        previous->length;
                        }
                }
                else
                if(current->startproject > 0)
                {
                        Plugin *new_plugin = (Plugin*)create_edit();
                        insert_before(current, new_plugin);
                        new_plugin->length = current->startproject;
                }
        }


// delete 0 length plugins
        while(result)
        {
                result = 0;

                for(current_edit = (Plugin*)first; 
                        current_edit && !result; )
                {
                        if(current_edit->length == 0)
                        {
                                Plugin* next = (Plugin*)current_edit->next;
                                delete current_edit;
                                result = 1;
                                current_edit = next;
                        }
                        else
                                current_edit = (Plugin*)current_edit->next;
                }


// merge identical plugins with same keyframes
                for(current_edit = (Plugin*)first; 
                        current_edit && current_edit->next && !result; )
                {
                        Plugin *next_edit = (Plugin*)current_edit->next;


// plugins identical
                        if(next_edit->identical(current_edit))
                {
                        current_edit->length += next_edit->length;
// Merge keyframes
                                for(KeyFrame *source = (KeyFrame*)next_edit->keyframes->first;
                                        source;
                                        source = (KeyFrame*)source->next)
                                {
                                        KeyFrame *dest = new KeyFrame(edl, current_edit->keyframes);
                                        *dest = *source;
                                        current_edit->keyframes->append(dest);
                                }
                        remove(next_edit);
                        result = 1;
                }

                current_edit = (Plugin*)current_edit->next;
                }

// delete last edit if 0 length or silence
                if(last)
                {
                        if(last->silence() || !last->length)
                        {
                                delete last;
                                result = 1;
                        }
                }
        }

        return 0;
}





void PluginSet::dump()
{
        printf("   PLUGIN_SET:\n");
        for(Plugin *current = (Plugin*)first; current; current =  (Plugin*)NEXT)
                current->dump();
}

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