hvirtual/cinelerra/track.h

   1 #ifndef TRACK_H
   2 #define TRACK_H
   3
   4 #include "arraylist.h"
   5 #include "assets.inc"
   6 #include "autoconf.inc"
   7 #include "automation.inc"
   8 #include "datatype.h"
   9 #include "defaults.inc"
  10 #include "edit.inc"
  11 #include "edits.inc"
  12 #include "edl.inc"
  13 #include "filexml.inc"
  14 #include "floatautos.inc"
  15 #include "guicast.h"
  16 #include "keyframe.inc"
  17 #include "linklist.h"
  18 #include "module.inc"
  19 #include "patch.inc"
  20 #include "plugin.inc"
  21 #include "pluginset.inc"
  22 #include "renderengine.inc"
  23 #include "sharedlocation.inc"
  24 #include "theme.inc"
  25 #include "intautos.inc"
  26 #include "trackcanvas.inc"
  27 #include "tracks.inc"
  28 #include "transition.inc"
  29
  30 #include <stdint.h>
  31
  32 // UNITS ARE SAMPLES FOR ALL
  33
  34 class Track : public ListItem<Track>
  35 {
  36 public:
  37         Track(EDL *edl, Tracks *tracks);
  38         Track();
  39         virtual ~Track();
  40
  41         int create_objects();
  42         int get_id();
  43         virtual int load_defaults(Defaults *defaults);
  44         int load(FileXML *file, int track_offset, uint32_t load_flags);
  45         virtual int save_header(FileXML *file) { return 0; };
  46         virtual int save_derived(FileXML *file) { return 0; };
  47         virtual int load_header(FileXML *file, uint32_t load_flags) { return 0; };
  48         virtual int load_derived(FileXML *file, uint32_t load_flags) { return 0; };
  49         void equivalent_output(Track *track, double *result);
  50 // Called by playable tracks to test for playable server.
  51 // Descends the plugin tree without creating a virtual console.
  52         int is_synthesis(RenderEngine *renderengine,
  53                 int64_t position,
  54                 int direction);
  55         Track& operator=(Track& track);
  56         virtual PluginSet* new_plugins() { return 0; };
  57 // Synchronize playback numbers
  58         virtual void synchronize_params(Track *track);
  59
  60 // Get number of pixels to display
  61         virtual int vertical_span(Theme *theme);
  62         int64_t horizontal_span();
  63         void resample(double old_rate, double new_rate);
  64
  65 // Get length of track in seconds
  66         double get_length();
  67 // Get dimensions of source for convenience functions
  68         void get_source_dimensions(double position, int &w, int &h);
  69
  70 // Editing
  71         void insert_asset(Asset *asset,
  72                 double length,
  73                 double position,
  74                 int track_number);
  75         Plugin* insert_effect(char *title,
  76                 SharedLocation *shared_location,
  77                 KeyFrame *keyframe,
  78                 PluginSet *plugin_set,
  79                 double start,
  80                 double length,
  81                 int plugin_type);
  82         void insert_plugin_set(Track *track, double position);
  83         void detach_effect(Plugin *plugin);
  84 // Insert a track from another EDL
  85         void insert_track(Track *track,
  86                 double position,
  87                 int replace_default,
  88                 int edit_plugins);
  89 // Optimize editing
  90         void optimize();
  91         int is_muted(int64_t position, int direction);  // Test muting status
  92
  93         void move_plugins_up(PluginSet *plugin_set);
  94         void move_plugins_down(PluginSet *plugin_set);
  95         void remove_pluginset(PluginSet *plugin_set);
  96         void remove_asset(Asset *asset);
  97
  98 // Used for determining a selection for editing so leave as int.
  99 // converts the selection to SAMPLES OR FRAMES and stores in value
 100         virtual int64_t to_units(double position, int round);
 101 // For drawing
 102         virtual double to_doubleunits(double position);
 103         virtual double from_units(int64_t position);
 104
 105
 106
 107 // Positions are identical for handle modifications
 108     virtual int identical(int64_t sample1, int64_t sample2) { return 0; };
 109 // Get the plugin belonging to the set.
 110         Plugin* get_current_plugin(double position,
 111                 int plugin_set,
 112                 int direction,
 113                 int convert_units);
 114         Plugin* get_current_transition(double position,
 115                 int direction,
 116                 int convert_units);
 117         virtual int channel_is_playable(int64_t position, int direction, int *do_channel);
 118 // Test direct copy conditions common to all the rendering routines
 119         virtual int direct_copy_possible(int64_t start, int direction);
 120         int plugin_used(int64_t position, int64_t direction);
 121         virtual int copy_settings(Track *track);
 122         void shift_keyframes(double position, double length, int convert_units);
 123         void shift_effects(double position, double length, int convert_units);
 124         void change_plugins(SharedLocation &old_location,
 125                 SharedLocation &new_location,
 126                 int do_swap);
 127         void change_modules(int old_location, \
 128                 int new_location,
 129                 int do_swap);
 130         int delete_module_pointers(int deleted_track);
 131
 132         EDL *edl;
 133         Tracks *tracks;
 134
 135         Edits *edits;
 136 // Plugin set uses key frames for automation
 137         ArrayList<PluginSet*> plugin_set;
 138         Automation *automation;
 139
 140 // Vertical offset from top of timeline
 141         int y_pixel;
 142         int expand_view;
 143         int draw;
 144 // There is some debate on whether to expand gang from faders to
 145 // dragging operations.  This would allow every edit in a column to get dragged
 146 // simultaneously.
 147         int gang;
 148         char title[BCTEXTLEN];
 149         int play;
 150         int record;
 151 // TRACK_AUDIO or TRACK_VIDEO
 152         int data_type;
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172         int load_automation(FileXML *file);
 173         int load_edits(FileXML *file);
 174
 175         virtual int change_channels(int oldchannels, int newchannels) { return 0; };
 176         virtual int dump();
 177
 178
 179
 180 // ===================================== editing
 181         int copy(double start,
 182                 double end,
 183                 FileXML *file,
 184                 char *output_path = "");
 185         int copy_assets(double start,
 186                 double end,
 187                 ArrayList<Asset*> *asset_list);
 188         virtual int copy_derived(int64_t start, int64_t end, FileXML *file) { return 0; };
 189         virtual int paste_derived(int64_t start, int64_t end, int64_t total_length, FileXML *file, int &current_channel) { return 0; };
 190         int clear(double start,
 191                 double end,
 192                 int edit_edits,
 193                 int edit_labels,
 194                 int clear_plugins,
 195                 int convert_units /* = 1 */);
 196 // Returns the point to restart background rendering at.
 197 // -1 means nothing changed.
 198         void clear_automation(double selectionstart,
 199                 double selectionend,
 200                 int shift_autos   /* = 1 */,
 201                 int default_only  /* = 0 */);
 202         virtual int clear_automation_derived(AutoConf *auto_conf,
 203                 double selectionstart,
 204                 double selectionend,
 205                 int shift_autos = 1) { return 0; };
 206         virtual int clear_derived(double start,
 207                 double end) { return 0; };
 208
 209         int copy_automation(double selectionstart,
 210                 double selectionend,
 211                 FileXML *file,
 212                 int default_only,
 213                 int autos_only);
 214         virtual int copy_automation_derived(AutoConf *auto_conf,
 215                 double selectionstart,
 216                 double selectionend,
 217                 FileXML *file) { return 0; };
 218         int paste_automation(double selectionstart,
 219                 double total_length,
 220                 double frame_rate,
 221                 int64_t sample_rate,
 222                 FileXML *file,
 223                 int default_only);
 224         virtual int paste_automation_derived(double selectionstart,
 225                 double selectionend,
 226                 double total_length,
 227                 FileXML *file,
 228                 int shift_autos,
 229                 int &current_pan) { return 0; };
 230         int paste_auto_silence(double start, double end);
 231         virtual int paste_auto_silence_derived(int64_t start, int64_t end) { return 0; };
 232         int scale_time(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end);
 233         virtual int scale_time_derived(float rate_scale, int scale_edits, int scale_autos, int64_t start, int64_t end) { return 0; };
 234         int purge_asset(Asset *asset);
 235         int asset_used(Asset *asset);
 236         int clear_handle(double start,
 237                 double end,
 238                 int clear_labels,
 239                 int clear_plugins,
 240                 double &distance);
 241         int paste_silence(double start, double end, int edit_plugins);
 242         virtual int select_translation(int cursor_x, int cursor_y) { return 0; };  // select video coordinates for frame
 243         virtual int update_translation(int cursor_x, int cursor_y, int shift_down) { return 0; };  // move video coordinates
 244         int select_auto(AutoConf *auto_conf, int cursor_x, int cursor_y);
 245         virtual int select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y) { return 0; };
 246         int move_auto(AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down);
 247         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; };
 248         int release_auto();
 249         virtual int release_auto_derived() { return 0; };
 250 // Return whether automation would prevent direct frame copies.  Not fully implemented.
 251         int automation_is_used(int64_t start, int64_t end);
 252         virtual int automation_is_used_derived(int64_t start, int64_t end) { return 0; }
 253
 254         int popup_transition(int cursor_x, int cursor_y);
 255
 256 // Return 1 if the left handle was selected 2 if the right handle was selected 3 if the track isn't recordable
 257         int modify_edithandles(double oldposition,
 258                 double newposition,
 259                 int currentend,
 260                 int handle_mode,
 261                 int edit_labels,
 262                 int edit_plugins);
 263         int modify_pluginhandles(double oldposition,
 264                 double newposition,
 265                 int currentend,
 266                 int handle_mode,
 267                 int edit_labels);
 268         int select_edit(int cursor_x,
 269                 int cursor_y,
 270                 double &new_start,
 271                 double &new_end);
 272         virtual int end_translation() { return 0; };
 273         virtual int reset_translation(int64_t start, int64_t end) { return 0; };
 274         int feather_edits(int64_t start, int64_t end, int64_t units);
 275         int64_t get_feather(int64_t selectionstart, int64_t selectionend);
 276         int shift_module_pointers(int deleted_track);
 277
 278
 279 // Absolute number of this track
 280         int number_of();
 281
 282 // get_dimensions is used for getting drawing regions so use floats for partial frames
 283 // get the display dimensions in SAMPLES OR FRAMES
 284         virtual int get_dimensions(double &view_start,
 285                 double &view_units,
 286                 double &zoom_units) { return 0; };
 287 // Longest time from current_position in which nothing changes
 288         int64_t edit_change_duration(int64_t input_position,
 289                 int64_t input_length,
 290                 int reverse,
 291                 int test_transitions);
 292         int64_t plugin_change_duration(int64_t input_position,
 293                 int64_t input_length,
 294                 int reverse);
 295 // Utility for edit_change_duration.
 296         int need_edit(Edit *current, int test_transitions);
 297 // If the edit under position is playable
 298         int playable_edit(int64_t position, int direction);
 299
 300 // ===================================== for handles, titles, etc
 301
 302         int64_t old_view_start;
 303         int pixel;   // pixel position from top of track view
 304 // Dimensions of this track if video
 305         int track_w, track_h;
 306
 307
 308
 309
 310 private:
 311 // Identification of the track
 312         int id;
 313 };
 314
 315 #endif