--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2010 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef TRACK_H
+#define TRACK_H
+
+#include <stdio.h>
+#include <stdint.h>
+
+#include "arraylist.h"
+#include "asset.inc"
+#include "autoconf.inc"
+#include "automation.inc"
+#include "datatype.h"
+#include "bchash.inc"
+#include "edit.inc"
+#include "edits.inc"
+#include "edl.inc"
+#include "filexml.inc"
+#include "floatautos.inc"
+#include "guicast.h"
+#include "indexable.inc"
+#include "keyframe.inc"
+#include "linklist.h"
+#include "module.inc"
+#include "patch.inc"
+#include "plugin.inc"
+#include "pluginset.inc"
+#include "sharedlocation.inc"
+#include "theme.inc"
+#include "intautos.inc"
+#include "trackcanvas.inc"
+#include "tracks.inc"
+#include "transition.inc"
+
+// UNITS ARE SAMPLES FOR ALL
+
+class Track : public ListItem<Track>
+{
+public:
+ Track(EDL *edl, Tracks *tracks);
+ Track();
+ virtual ~Track();
+
+ void create_objects();
+ int get_id();
+ virtual int load_defaults(BC_Hash *defaults);
+ int load(FileXML *file, int track_offset, uint32_t load_flags);
+ virtual int save_header(FileXML *file) { return 0; };
+ virtual int save_derived(FileXML *file) { return 0; };
+ virtual int load_header(FileXML *file, uint32_t load_flags) { return 0; };
+ virtual int load_derived(FileXML *file, uint32_t load_flags) { return 0; };
+ void equivalent_output(Track *track, double *result);
+
+ virtual void copy_from(Track *track);
+ Track& operator=(Track& track);
+ virtual PluginSet* new_plugins() { return 0; };
+// Synchronize playback numbers
+ virtual void synchronize_params(Track *track);
+
+// Get number of pixels to display
+ virtual int vertical_span(Theme *theme);
+ int64_t horizontal_span();
+ void resample(double old_rate, double new_rate);
+
+// Speed curve in use
+ int has_speed();
+// Get length of track in seconds
+ double get_length();
+// Get dimensions of source for convenience functions
+ void get_source_dimensions(double position, int &w, int &h);
+
+// Editing
+ void insert_asset(Asset *asset,
+ EDL *nested_edl,
+ double length,
+ double position,
+ int track_number);
+ Plugin* insert_effect(const char *title,
+ SharedLocation *shared_location,
+ KeyFrame *keyframe,
+ PluginSet *plugin_set,
+ double start,
+ double length,
+ int plugin_type);
+ void insert_plugin_set(Track *track,
+ int64_t position,
+ int64_t min_length,
+ int edit_autos);
+ void detach_effect(Plugin *plugin);
+// Insert a track from another EDL
+ void insert_track(Track *track,
+ double position,
+ int replace_default,
+ int edit_plugins,
+ int edit_autos,
+// Pad pasted sections to a minimum of this length.
+ double edl_length);
+ void shuffle_edits(double start, double end, int first_track);
+ void reverse_edits(double start, double end, int first_track);
+ void align_edits(double start,
+ double end,
+ ArrayList<double> *times);
+// Optimize editing
+ void optimize();
+ int is_muted(int64_t position, int direction); // Test muting status
+
+ void move_plugins_up(PluginSet *plugin_set);
+ void move_plugins_down(PluginSet *plugin_set);
+ void remove_pluginset(PluginSet *plugin_set);
+ void remove_asset(Indexable *asset);
+
+// Used for determining a selection for editing so leave as int.
+// converts the selection to SAMPLES OR FRAMES and stores in value
+ virtual int64_t to_units(double position, int round);
+// For drawing
+ virtual double to_doubleunits(double position);
+ virtual double from_units(int64_t position);
+
+
+
+// Positions are identical for handle modifications
+ virtual int identical(int64_t sample1, int64_t sample2) { return 0; };
+
+// Get the plugin belonging to the set.
+ Plugin* get_current_plugin(double position,
+ int plugin_set,
+ int direction,
+ int convert_units,
+ int use_nudge);
+ Plugin* get_current_transition(double position,
+ int direction,
+ int convert_units,
+ int use_nudge);
+
+// detach shared effects referencing module
+ void detach_shared_effects(int module);
+
+
+// Called by playable tracks to test for playable server.
+// Descends the plugin tree without creating a virtual console.
+// Used by PlayableTracks::is_playable.
+ int is_synthesis(int64_t position,
+ int direction);
+
+// Used by PlayableTracks::is_playable
+// Returns 1 if the track is in the output boundaries.
+ virtual int is_playable(int64_t position,
+ int direction);
+
+// Test direct copy conditions common to all the rendering routines
+ virtual int direct_copy_possible(int64_t start, int direction, int use_nudge);
+
+// Used by PlayableTracks::is_playable
+ int plugin_used(int64_t position, int64_t direction);
+
+
+
+
+
+ virtual int copy_settings(Track *track);
+ void shift_keyframes(int64_t position, int64_t length);
+ void shift_effects(int64_t position, int64_t length, int edit_autos);
+ void change_plugins(SharedLocation &old_location,
+ SharedLocation &new_location,
+ int do_swap);
+ void change_modules(int old_location,
+ int new_location,
+ int do_swap);
+ int plugin_exists(Plugin *plugin);
+
+ EDL *edl;
+ Tracks *tracks;
+
+ Edits *edits;
+// Plugin set uses key frames for automation
+ ArrayList<PluginSet*> plugin_set;
+ Automation *automation;
+
+// Vertical offset from top of timeline
+ int y_pixel;
+ int expand_view;
+ int draw;
+// There is some debate on whether to expand gang from faders to
+// dragging operations. This would allow every edit in a column to get dragged
+// simultaneously.
+ int gang;
+ char title[BCTEXTLEN];
+ int play;
+ int record;
+// Nudge in track units. Positive shifts track earlier in time. This way
+// the position variables only need to add the nudge.
+ int64_t nudge;
+// TRACK_AUDIO or TRACK_VIDEO
+ int data_type;
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ int load_automation(FileXML *file);
+ int load_edits(FileXML *file);
+
+ virtual int change_channels(int oldchannels, int newchannels) { return 0; };
+ virtual int dump(FILE *fp);
+
+
+
+// ===================================== editing
+ int copy(double start, double end,
+ FileXML *file, const char *output_path = "");
+ int copy_assets(double start,
+ double end,
+ ArrayList<Asset*> *asset_list);
+ virtual int copy_derived(int64_t start, int64_t end, FileXML *file) { return 0; };
+ virtual int paste_derived(int64_t start, int64_t end, int64_t total_length, FileXML *file, int ¤t_channel) { return 0; };
+ int clear(double start,
+ double end,
+ int edit_edits,
+ int edit_labels,
+ int clear_plugins,
+ int edit_autos,
+ int convert_units,
+ Edits *trim_edits);
+// Returns the point to restart background rendering at.
+// -1 means nothing changed.
+ void clear_automation(double selectionstart,
+ double selectionend,
+ int shift_autos /* = 1 */,
+ int default_only /* = 0 */);
+ void set_automation_mode(double selectionstart,
+ double selectionend,
+ int mode);
+ virtual int clear_automation_derived(AutoConf *auto_conf,
+ double selectionstart,
+ double selectionend,
+ int shift_autos = 1) { return 0; };
+ virtual int clear_derived(double start,
+ double end) { return 0; };
+
+ int copy_automation(double selectionstart,
+ double selectionend,
+ FileXML *file,
+ int default_only,
+ int active_only);
+ virtual int copy_automation_derived(AutoConf *auto_conf,
+ double selectionstart,
+ double selectionend,
+ FileXML *file) { return 0; };
+ int paste_automation(double selectionstart,
+ double total_length,
+ double frame_rate,
+ int64_t sample_rate,
+ FileXML *file,
+ int default_only,
+ int active_only);
+ virtual int paste_automation_derived(double selectionstart,
+ double selectionend,
+ double total_length,
+ FileXML *file,
+ int shift_autos,
+ int ¤t_pan) { return 0; };
+ int paste_auto_silence(double start, double end);
+ virtual int paste_auto_silence_derived(int64_t start, int64_t end) { return 0; };
+ int scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end);
+ virtual int scale_time_derived(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end) { return 0; };
+ int purge_asset(Asset *asset);
+ int asset_used(Asset *asset);
+ int clear_handle(double start,
+ double end,
+ int clear_labels,
+ int clear_plugins,
+ int edit_autos,
+ double &distance);
+ int paste_silence(double start, double end, int edit_plugins, int edit_autos);
+ virtual int select_translation(int cursor_x, int cursor_y) { return 0; }; // select video coordinates for frame
+ virtual int update_translation(int cursor_x, int cursor_y, int shift_down) { return 0; }; // move video coordinates
+ int select_auto(AutoConf *auto_conf, int cursor_x, int cursor_y);
+ virtual int select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y) { return 0; };
+ int move_auto(AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down);
+ virtual int move_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down) { return 0; };
+ int release_auto();
+ virtual int release_auto_derived() { return 0; };
+// Return whether automation would prevent direct frame copies. Not fully implemented.
+ int automation_is_used(int64_t start, int64_t end);
+ virtual int automation_is_used_derived(int64_t start, int64_t end) { return 0; }
+
+ int popup_transition(int cursor_x, int cursor_y);
+
+// Return 1 if the left handle was selected 2 if the right handle was selected 3 if the track isn't recordable
+ int modify_edithandles(double oldposition,
+ double newposition,
+ int currentend,
+ int handle_mode,
+ int edit_labels,
+ int edit_plugins,
+ int edit_autos);
+ int modify_pluginhandles(double oldposition,
+ double newposition,
+ int currentend,
+ int handle_mode,
+ int edit_labels,
+ int edit_autos,
+ Edits *trim_edits);
+ int select_edit(int cursor_x,
+ int cursor_y,
+ double &new_start,
+ double &new_end);
+ virtual int end_translation() { return 0; };
+ virtual int reset_translation(int64_t start, int64_t end) { return 0; };
+ int feather_edits(int64_t start, int64_t end, int64_t units);
+ int64_t get_feather(int64_t selectionstart, int64_t selectionend);
+
+
+// Absolute number of this track
+ int number_of();
+
+// get_dimensions is used for getting drawing regions so use floats for partial frames
+// get the display dimensions in SAMPLES OR FRAMES
+// virtual int get_dimensions(double &view_start,
+// double &view_units,
+// double &zoom_units) { return 0; };
+// Longest time from current_position in which nothing changes
+ int64_t edit_change_duration(int64_t input_position,
+ int64_t input_length,
+ int reverse,
+ int test_transitions,
+ int use_nudge);
+ int64_t plugin_change_duration(int64_t input_position,
+ int64_t input_length,
+ int reverse,
+ int use_nudge);
+// Utility for edit_change_duration.
+ int need_edit(Edit *current, int test_transitions);
+// If the edit under position is playable.
+// Used by PlayableTracks::is_playable.
+ int playable_edit(int64_t position, int direction);
+
+// ===================================== for handles, titles, etc
+
+ int64_t old_view_start;
+ int pixel; // pixel position from top of track view
+// Dimensions of this track if video
+ int track_w, track_h;
+
+
+
+
+private:
+// Identification of the track
+ int id;
+};
+
+#endif