4 * Copyright (C) 2010 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include "arraylist.h"
30 #include "autoconf.inc"
31 #include "automation.inc"
37 #include "filexml.inc"
38 #include "floatautos.inc"
40 #include "indexable.inc"
41 #include "keyframe.inc"
46 #include "pluginset.inc"
47 #include "sharedlocation.inc"
49 #include "intautos.inc"
50 #include "trackcanvas.inc"
52 #include "transition.inc"
54 // UNITS ARE SAMPLES FOR ALL
56 class Track : public ListItem<Track>
59 Track(EDL *edl, Tracks *tracks);
63 void create_objects();
65 virtual int load_defaults(BC_Hash *defaults);
66 int load(FileXML *file, int track_offset, uint32_t load_flags);
67 virtual int save_header(FileXML *file) { return 0; };
68 virtual int save_derived(FileXML *file) { return 0; };
69 virtual int load_header(FileXML *file, uint32_t load_flags) { return 0; };
70 virtual int load_derived(FileXML *file, uint32_t load_flags) { return 0; };
71 void equivalent_output(Track *track, double *result);
74 void get_fauto_xyz(int fauto, float &x, float &y, float &z);
75 void set_fauto_xyz(int fauto, float x, float y, float z);
76 void get_projector(float &x, float &y, float &z);
77 void set_projector(float x, float y, float z);
78 void get_camera(float &x, float &y, float &z);
79 void set_camera(float x, float y, float z);
81 virtual void copy_from(Track *track);
82 Track& operator=(Track& track);
83 virtual PluginSet* new_plugins() { return 0; };
84 // Synchronize playback numbers
85 virtual void synchronize_params(Track *track);
87 // Get number of pixels to display
88 virtual int vertical_span(Theme *theme);
89 int64_t horizontal_span();
90 void resample(double old_rate, double new_rate);
94 // Get length of track in seconds
96 // Get dimensions of source for convenience functions
97 void get_source_dimensions(double position, int &w, int &h);
100 void insert_asset(Asset *asset, EDL *nested_edl,
101 double length, double position, int track_number);
102 Plugin* insert_effect(const char *title, SharedLocation *shared_location,
103 KeyFrame *keyframe, PluginSet *plugin_set,
104 double start, double length, int plugin_type);
105 void insert_plugin_set(Track *track, int64_t position,
106 int64_t min_length, int edit_autos);
107 void detach_effect(Plugin *plugin);
108 // Insert a track from another EDL
109 void insert_track(Track *track, double position,
110 int replace_default, int edit_plugins, int edit_autos,
111 // Pad pasted sections to a minimum of this length.
113 void shuffle_edits(double start, double end, int first_track);
114 void reverse_edits(double start, double end, int first_track);
115 void align_edits(double start, double end, Track *master_track);
118 int is_muted(int64_t position, int direction); // Test muting status
120 void move_plugins_up(PluginSet *plugin_set);
121 void move_plugins_down(PluginSet *plugin_set);
122 void remove_pluginset(PluginSet *plugin_set);
123 void remove_asset(Indexable *asset);
125 // Used for determining a selection for editing so leave as int.
126 // converts the selection to SAMPLES OR FRAMES and stores in value
127 virtual int64_t to_units(double position, int round);
129 virtual double to_doubleunits(double position);
130 virtual double from_units(int64_t position);
133 // Positions are identical for handle modifications
134 virtual int identical(int64_t sample1, int64_t sample2) { return 0; };
136 // Get the plugin belonging to the set.
137 Plugin* get_current_plugin(double position,
138 int plugin_set, int direction, int convert_units, int use_nudge);
139 Plugin* get_current_transition(double position,
140 int direction, int convert_units, int use_nudge);
142 // detach shared effects referencing module
143 void detach_shared_effects(int module);
146 // Called by playable tracks to test for playable server.
147 // Descends the plugin tree without creating a virtual console.
148 // Used by PlayableTracks::is_playable.
149 int is_synthesis(int64_t position, int direction, int depth=0);
151 // Used by PlayableTracks::is_playable
152 // Returns 1 if the track is in the output boundaries.
153 virtual int is_playable(int64_t position, int direction);
155 // Test direct copy conditions common to all the rendering routines
156 virtual int direct_copy_possible(int64_t start, int direction, int use_nudge);
158 // Used by PlayableTracks::is_playable
159 int plugin_used(int64_t position, int64_t direction);
160 // align to frame boundary
161 int64_t frame_align(int64_t position, int round);
163 virtual int copy_settings(Track *track);
164 void shift_keyframes(int64_t position, int64_t length);
165 void shift_effects(int64_t position, int64_t length, int edit_autos, Edits *trim_edits);
166 void change_plugins(SharedLocation &old_location, SharedLocation &new_location, int do_swap);
167 void change_modules(int old_location, int new_location, int do_swap);
168 Plugin *plugin_exists(int plugin_id);
174 // Plugin set uses key frames for automation
175 ArrayList<PluginSet*> plugin_set;
176 Automation *automation;
178 // Vertical offset from top of timeline
182 // There is some debate on whether to expand gang from faders to
183 // dragging operations. This would allow every edit in a column to get dragged
186 char title[BCTEXTLEN];
189 // mask enable bit flags
191 // Nudge in track units. Positive shifts track earlier in time. This way
192 // the position variables only need to add the nudge.
194 // TRACK_AUDIO or TRACK_VIDEO
198 int load_automation(FileXML *file);
199 int load_edits(FileXML *file);
201 virtual int change_channels(int oldchannels, int newchannels) { return 0; };
202 virtual int dump(FILE *fp);
204 // ===================================== editing
205 int copy(int copy_flags, double start, double end,
206 FileXML *file, const char *output_path = "");
207 int copy_assets(double start, double end, ArrayList<Asset*> *asset_list);
208 virtual int copy_derived(int64_t start, int64_t end, FileXML *file) { return 0; };
209 virtual int paste_derived(int64_t start, int64_t end,
210 int64_t total_length, FileXML *file, int ¤t_channel) { return 0; };
211 int blade(double position);
212 int clear(double start, double end,
213 int edit_edits, int edit_labels, int clear_plugins,
214 int edit_autos, Edits *trim_edits);
215 int clear(int64_t start, int64_t end,
216 int edit_edits, int edit_labels, int clear_plugins,
217 int edit_autos, Edits *trim_edits);
218 // Returns the point to restart background rendering at.
219 // -1 means nothing changed.
220 void clear_automation(double selectionstart, double selectionend,
221 int shift_autos /* = 1 */,
222 int default_only /* = 0 */);
223 void set_automation_mode(double selectionstart, double selectionend,
225 virtual int clear_automation_derived(AutoConf *auto_conf,
226 double selectionstart, double selectionend,
227 int shift_autos = 1) { return 0; };
228 virtual int clear_derived(double start,
229 double end) { return 0; };
231 int copy_automation(double selectionstart, double selectionend,
232 FileXML *file, int default_only, int active_only);
233 virtual int copy_automation_derived(AutoConf *auto_conf,
234 double selectionstart, double selectionend,
235 FileXML *file) { return 0; };
236 int paste_automation(double selectionstart, double total_length,
237 double frame_rate, int64_t sample_rate, FileXML *file,
238 int default_only, int active_only);
239 virtual int paste_automation_derived(double selectionstart, double selectionend,
240 double total_length, FileXML *file, int shift_autos, int ¤t_pan) { return 0; };
241 int paste_auto_silence(double start, double end);
242 virtual int paste_auto_silence_derived(int64_t start, int64_t end) { return 0; };
243 int scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end);
244 virtual int scale_time_derived(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end) { return 0; };
245 int purge_asset(Asset *asset);
246 int asset_used(Asset *asset);
247 int clear_handle(double start, double end,
248 int clear_labels, int clear_plugins, int edit_autos,
250 int paste_silence(double start, double end, int edit_plugins, int edit_autos);
251 int paste_silence(int64_t start, int64_t end, int edit_plugins, int edit_autos);
252 virtual int select_translation(int cursor_x, int cursor_y) { return 0; }; // select video coordinates for frame
253 virtual int update_translation(int cursor_x, int cursor_y, int shift_down) { return 0; }; // move video coordinates
254 int select_auto(AutoConf *auto_conf, int cursor_x, int cursor_y);
255 virtual int select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y) { return 0; };
256 int move_auto(AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down);
257 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; };
259 virtual int release_auto_derived() { return 0; };
260 // Return whether automation would prevent direct frame copies. Not fully implemented.
261 int automation_is_used(int64_t start, int64_t end);
262 virtual int automation_is_used_derived(int64_t start, int64_t end) { return 0; }
264 int popup_transition(int cursor_x, int cursor_y);
266 // Return 1 if the left handle was selected 2 if the right handle was selected 3 if the track isn't recordable
267 int modify_edithandles(double oldposition, double newposition,
268 int currentend, int handle_mode, int edit_labels,
269 int edit_plugins, int edit_autos, int group_id);
270 int modify_pluginhandles(double oldposition,
277 int select_edit(int cursor_x,
281 virtual int end_translation() { return 0; };
282 virtual int reset_translation(int64_t start, int64_t end) { return 0; };
283 int feather_edits(int64_t start, int64_t end, int64_t units);
284 int64_t get_feather(int64_t selectionstart, int64_t selectionend);
288 int show_transitions();
290 // Absolute number of this track
293 // get_dimensions is used for getting drawing regions so use floats for partial frames
294 // get the display dimensions in SAMPLES OR FRAMES
295 // virtual int get_dimensions(double &view_start,
296 // double &view_units,
297 // double &zoom_units) { return 0; };
298 // Longest time from current_position in which nothing changes
299 int64_t edit_change_duration(int64_t input_position,
300 int64_t input_length,
302 int test_transitions,
304 int64_t plugin_change_duration(int64_t input_position,
305 int64_t input_length,
308 // Utility for edit_change_duration.
309 int need_edit(Edit *current, int test_transitions);
310 // If the edit under position is playable.
311 // Used by PlayableTracks::is_playable.
312 int playable_edit(int64_t position, int direction);
314 // ===================================== for handles, titles, etc
316 int64_t old_view_start;
317 int pixel; // pixel position from top of track view
318 // Dimensions of this track if video
319 int track_w, track_h;
323 // Identification of the track