4 * Copyright (C) 2008 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
32 #include "filexml.inc"
33 #include "indexable.inc"
34 #include "mwindow.inc"
37 #include "transition.inc"
39 // UNITS ARE SAMPLES FOR AUDIO / FRAMES FOR VIDEO
40 // zoom_units was mwindow->zoom_sample for AEdit
42 // Generic edit of something
44 class Edit : public ListItem<Edit>
47 Edit(EDL *edl, Edits *edits);
48 Edit(EDL *edl, Track *track);
54 Indexable* get_source();
55 // Copy from different EDL
56 virtual void copy_from(Edit *edit);
57 // Compare with edit in same EDL
58 virtual int identical(Edit &edit);
59 virtual Edit& operator=(Edit& edit);
60 // Called by Edits and PluginSet.
61 // Compare with edit in different EDL
62 virtual void equivalent_output(Edit *edit, int64_t *result);
63 virtual int operator==(Edit& edit);
64 // When inherited by a plugin need to resample keyframes
65 virtual void synchronize_params(Edit *edit);
66 // Used by Edits::insert_edits to shift plugin keyframes
67 virtual void shift_keyframes(int64_t position) {};
69 // Get size of frame to draw on timeline
73 double frames_per_picon();
74 int copy(int64_t start, int64_t end, FileXML *xml, const char *output_path);
75 // When inherited by a plugin need to resample keyframes
76 virtual void resample(double old_rate, double new_rate) {};
79 virtual void shift(int64_t difference);
80 int shift_start_in(int edit_mode,
88 int shift_start_out(int edit_mode,
96 int shift_end_in(int edit_mode,
104 int shift_end_out(int edit_mode,
113 void insert_transition(char *title);
114 void detach_transition();
115 // Determine if silence depending on existance of asset or plugin title
116 virtual int silence();
118 // Media edit information
119 // Units are native units for the track.
120 // Start of edit in source file normalized to project sample rate.
121 // Normalized because all the editing operations clip startsource relative
122 // to the project sample rate;
124 // Start of edit in project file.
125 int64_t startproject;
126 // # of units in edit.
128 // Channel or layer of source
130 // ID for resource pixmaps
132 // User defined title for timeline
133 char user_title[BCTEXTLEN];
135 // edge cannot be optimized
136 int hard_left, hard_right;
138 // Transition if one is present at the beginning of this edit
139 // This stores the length of the transition
140 Transition *transition;
146 // Asset is 0 if silence, otherwise points an object in edl->assets
149 // points to an object in edl->clips if a nested clip
152 // Parent EDL of this edit
156 // ============================= initialization
158 int load_properties(FileXML *xml, int64_t &startproject);
159 virtual int load_properties_derived(FileXML *xml) { return 0; };
161 // ============================= drawing
163 virtual int draw(int flash, int center_pixel,
164 int x, int w, int y, int h, int set_index_file) { return 0; }
165 virtual int set_index_file(int flash, int center_pixel,
166 int x, int y, int w, int h) { return 0; }
167 int draw_transition(int flash, int center_pixel,
168 int x, int w, int y, int h, int set_index_file);
170 int draw_handles(BC_SubWindow *canvas, float view_start, float view_units,
171 float zoom_units, int view_pixels, int center_pixel);
172 int draw_titles(BC_SubWindow *canvas, float view_start, float zoom_units,
173 int view_pixels, int center_pixel);
175 // ============================= editing
177 virtual int copy_properties_derived(FileXML *xml,
178 int64_t length_in_selection) { return 0; }
180 int popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y);
182 // Return 1 if the left handle was selected 2 if the right handle was selected
183 int select_handle(float view_start, float zoom_units,
184 int cursor_x, int cursor_y, int64_t &selection);
185 virtual int get_handle_parameters(int64_t &left, int64_t &right,
186 int64_t &left_sample, int64_t &right_sample, float view_start,
187 float zoom_units) { return 0; }
188 virtual int64_t get_source_end(int64_t default_);
189 int dump(FILE *fp=stdout);
190 virtual int dump_derived() { return 0; }