3 * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include "apatchgui.h"
28 #include "arraylist.h"
31 #include "audiodevice.inc"
33 #include "awindow.inc"
34 #include "batchrender.inc"
35 #include "bcwindowbase.inc"
36 #include "bdcreate.inc"
37 #include "brender.inc"
39 #include "channel.inc"
40 #include "channeldb.inc"
41 #include "commercials.inc"
42 #include "convert.inc"
43 #include "cwindow.inc"
45 #include "devicedvbinput.inc"
46 #include "devicempeginput.inc"
47 #include "dvdcreate.inc"
50 #include "edlsession.inc"
51 #include "exportedl.inc"
52 #include "filesystem.inc"
53 #include "filexml.inc"
54 #include "framecache.inc"
55 #include "gwindow.inc"
56 #include "indexable.inc"
57 #include "keyframegui.inc"
58 #include "levelwindow.inc"
59 #include "loadmode.inc"
60 #include "mainerror.inc"
61 #include "mainindexes.inc"
62 #include "mainprogress.inc"
63 #include "mainsession.inc"
64 #include "mainundo.inc"
65 #include "maxchannels.h"
66 #include "mixersalign.inc"
68 #include "mwindow.inc"
69 #include "mwindowgui.inc"
71 #include "patchbay.inc"
72 #include "playback3d.inc"
73 #include "playbackengine.inc"
75 #include "pluginclient.inc"
76 #include "pluginfclient.inc"
77 #include "pluginserver.inc"
78 #include "pluginset.inc"
79 #include "preferences.inc"
80 #include "preferencesthread.inc"
83 #include "recordlabel.inc"
85 #include "sharedlocation.inc"
86 #include "sighandler.inc"
87 #include "splashgui.inc"
88 #include "shuttle.inc"
91 #include "threadloader.inc"
92 #include "timebar.inc"
93 #include "tipwindow.inc"
95 #include "tracking.inc"
97 #include "transition.inc"
98 #include "transportque.inc"
99 #include "videowindow.inc"
100 #include "vpatchgui.h"
101 #include "vwindow.inc"
102 #include "zwindow.inc"
103 #include "wwindow.inc"
104 #include "wavecache.inc"
108 #define FONT_SEARCHPATH "fonts"
121 class Stack : public ArrayList<StackItem>
127 #define BEEP_SAMPLE_RATE 48000
129 class Beeper : public Thread
132 typedef int16_t audio_data_t;
133 Beeper(MWindow *mwindow);
139 void tone(double freq, double secs, double gain);
142 double freq, secs, gain;
144 int playing_audio, interrupted;
149 class DrawTrackMovement : public Thread
152 DrawTrackMovement(MWindow *mwindow);
153 ~DrawTrackMovement();
160 class MWindow : public Thread
166 // ======================================== initialization commands
167 void create_objects(int want_gui,
176 int run_script(FileXML *script);
178 int delete_project(int flash = 1);
180 int restart() { return restart_status; }
184 int set_filename(const char *filename);
185 int set_titlebar(const char *filename);
186 // Total vertical pixels in timeline
187 int get_tracks_height();
188 // Total horizontal pixels in timeline
189 int get_tracks_width();
191 void stack_push(EDL *edl, Indexable *idxbl, Edit *edit=0);
193 int save(EDL *edl, char *filename, int stat);
194 int save(int save_as);
196 void clip_to_media();
197 void media_to_clip();
198 int create_ref(Asset *asset, EDL *ref);
206 void restore_windows();
207 void load_layout(const char *layout);
208 void save_layout(const char *layout);
209 void delete_layout(const char *layout);
210 int tile_windows(int window_config);
211 char *get_cwindow_display();
212 void set_screens(int value);
213 int asset_to_edl(EDL *new_edl,
215 RecordLabels *labels = 0);
217 // Entry point to insert assets and insert edls. Called by TrackCanvas
218 // and AssetPopup when assets are dragged in from AWindow.
219 // Takes the drag vectors from MainSession and
220 // pastes either assets or clips depending on which is full.
221 // Returns 1 if the vectors were full
222 int paste_assets(double position, Track *dest_track, int overwrite);
224 // Insert the assets at a point in the EDL. Called by menueffects,
225 // render, and CWindow drop but recording calls paste_edls directly for
227 void load_assets(ArrayList<Indexable*> *new_assets,
230 Track *first_track /* = 0 */,
231 RecordLabels *labels /* = 0 */,
236 int paste_edls(ArrayList<EDL*> *new_edls,
238 Track *first_track /* = 0 */,
239 double current_position /* = -1 */,
244 void collect_effects();
245 void paste_effects();
247 // Reset everything for a load
248 void update_project(int load_mode);
249 void update_preferences(Preferences *prefs);
250 void update_vwindow();
251 // Fit selected time to horizontal display range
252 void fit_selection();
253 // Fit selected autos to the vertical display range
254 void fit_autos(int all);
255 void change_currentautorange(int autogrouptype, int increment, int changemax);
256 void expand_autos(int changeall, int domin, int domax);
257 void shrink_autos(int changeall, int domin, int domax);
258 // move the window to include the cursor
260 // Search plugindb and put results in argument
261 static void search_plugindb(int do_audio,
266 ArrayList<PluginServer*> &results);
267 // Find the plugin whose title matches title and return it
268 static PluginServer* scan_plugindb(char *title,
270 static void fix_plugin_title(char *title);
271 static int plugin_exists(const char *plugin_path, ArrayList<PluginServer*> &plugins);
272 static int plugin_exists(char *plugin_path);
273 void dump_plugindb(FILE *fp);
274 void stop_playback(int wait);
275 void stop_transport();
276 void undo_before(const char *description = "", void *creator = 0);
277 void undo_after(const char *description, uint32_t load_flags, int changes_made = 1);
279 void handle_mixers(EDL *edl, int command, int wait_tracking,
280 int use_inout, int toggle_audio, int loop_play, float speed);
281 ZWindow *create_mixer(Indexable *indexable, double position);
282 void create_mixers(double position = 0);
283 void refresh_mixers(int dir=1);
285 void close_mixers(int result=1);
287 ZWindow *get_mixer(Mixer *&mixer);
288 ZWindow *get_mixer(int idx);
289 void close_mixer(ZWindow *zwindow);
290 int mixer_track_active(Track *track);
291 void update_mixer_tracks();
293 int select_zwindow(ZWindow *zwindow);
295 void set_gang_tracks(int v);
296 int load_filenames(ArrayList<char*> *filenames,
297 int load_mode = LOADMODE_REPLACE,
298 int edl_mode = LOADMODE_EDL_CLIP,
299 // Cause the project filename on the top of the window to be updated.
300 // Not wanted for loading backups.
301 int update_filename = 1);
303 // Print out plugins which are referenced in the EDL but not loaded.
304 void test_plugins(EDL *new_edl, const char *path);
306 int interrupt_indexes(); // Stop index building
308 int redraw_time_dependancies(); // after reconfiguring the time format, sample rate, frame rate
309 void draw_trackmovement(); // after reconfiguring tracks/patchbay guis
310 DrawTrackMovement *redraw_tracks;
312 // =========================================== movement
314 void next_time_format();
315 void prev_time_format();
316 void time_format_common();
317 int reposition_timebar(int new_pixel, int new_height);
319 int zoom_in_sample();
320 int zoom_sample(int64_t zoom_sample);
321 void zoom_autos(float min, float max);
322 void zoom_amp(int64_t zoom_amp);
323 void zoom_atrack(int64_t zoom);
324 void zoom_vtrack(int64_t zoom);
326 int move_left(int64_t distance = 0);
327 int move_right(int64_t distance = 0);
328 void move_up(int64_t distance = 0);
329 void move_down(int64_t distance = 0);
330 int find_selection(double position, int scroll_display = 0);
331 void toggle_camera_xyz();
332 void toggle_projector_xyz();
333 double get_position();
334 void set_position(double position);
337 // shift_down must be passed by the caller because different windows call
339 int next_label(int shift_down);
340 int prev_label(int shift_down);
341 // seek to edit handles
342 int next_edit_handle(int shift_down);
343 int prev_edit_handle(int shift_down);
345 int nearest_plugin_keyframe(int shift_down, int dir);
346 int nearest_auto_keyframe(int shift_down, int dir);
347 // offset is pixels to add to track_start
348 void trackmovement(int offset, int pane_number);
349 // view_start is pixels
350 int samplemovement(int64_t view_start, int pane_number);
354 int goto_position(double position);
361 void crop_video(int mode);
362 void update_plugins();
363 void get_backup_path(char *path, int len);
364 // Call after every edit operation
367 void show_plugin(Plugin *plugin);
368 void hide_plugin(Plugin *plugin, int lock);
369 void hide_plugin(int plugin_id, int lock);
371 void delete_plugin(PluginServer *plugin);
372 // Update plugins with configuration changes.
373 // Called by TrackCanvas::cursor_motion_event.
374 void update_plugin_guis(int do_keyframe_guis = 1);
375 void update_plugin_states();
376 void update_plugin_titles();
377 // Called by Attachmentpoint during playback.
378 // Searches for matching plugin and renders data in it.
379 void render_plugin_gui(void *data, Plugin *plugin);
380 void render_plugin_gui(void *data, int size, Plugin *plugin);
381 void reset_plugin_gui_frames(Plugin *plugin);
382 void render_plugin_gui_frames(PluginClientFrames *frames, Plugin *plugin);
383 double get_tracking_position();
384 int get_tracking_direction();
386 // Called from PluginVClient::process_buffer
387 // Returns 1 if a GUI for the plugin is open so OpenGL routines can determine if
389 int plugin_gui_open(Plugin *plugin);
390 void stop_plugin_guis();
392 void show_keyframe_gui(Plugin *plugin);
393 void hide_keyframe_guis();
394 void hide_keyframe_gui(Plugin *plugin);
395 void update_keyframe_guis();
396 int get_hash_color(Edit *edit);
397 int get_hash_color(int v);
398 int get_group_color(int v);
399 int get_title_color(Edit *edit);
401 // ============================= editing commands ========================
403 // Map each recordable audio track to the desired pattern
404 void map_audio(int pattern);
405 void remap_audio(int pattern);
411 void add_audio_track_entry(int above, Track *dst);
412 int add_audio_track(int above, Track *dst);
413 void add_clip_to_edl(EDL *edl);
414 void add_video_track_entry(Track *dst = 0);
415 int add_video_track(int above, Track *dst);
416 void add_subttl_track_entry(Track *dst = 0);
417 int add_subttl_track(int above, Track *dst);
420 void asset_to_size();
421 void asset_to_rate();
422 // Entry point for clear operations.
424 // Clears active region in EDL.
425 // If clear_handle, edit boundaries are cleared if the range is 0.
426 // Called by paste, record, menueffects, render, and CWindow drop.
427 void clear(int clear_handle);
429 int clear_labels(double start, double end);
430 void clear_hard_edges();
431 int clear_hard_edges(double start, double end);
433 void concatenate_tracks();
434 int copy_flags(int copy_flags=COPY_CLIPBOARD);
436 int copy(double start, double end);
438 void blade(double position);
439 void cut(double start, double end, double new_position=-1);
440 // cut edit from current position to handle/label
441 void cut_left_edit();
442 void cut_right_edit();
443 void cut_left_label();
444 void cut_right_label();
446 // Calculate aspect ratio from pixel counts
447 static int create_aspect_ratio(float &w, float &h, int width, int height);
448 // Calculate defaults path
449 static void create_defaults_path(char *string, const char *config_file);
451 void delete_track(Track *track);
452 void delete_tracks();
453 int feather_edits(int64_t feather_samples, int audio, int video);
454 int64_t get_feather(int audio, int video);
455 float get_aspect_ratio();
456 void insert(double position, FileXML *file,
457 int edit_labels, int edit_plugins, int edit_autos,
458 EDL *parent_edl, Track *first_track, int overwrite);
460 // TrackCanvas calls this to insert multiple effects from the drag_pluginservers
461 // into pluginset_highlighted.
462 void insert_effects_canvas(Track *dest_track, double start, double length);
464 // CWindow calls this to insert multiple effects from
465 // the drag_pluginservers array.
466 void insert_effects_cwindow(Track *dest_track);
468 // Attach new effect to all recordable tracks
469 // single_standalone - attach 1 standalone on the first track and share it with
471 void insert_effect(char *title,
472 SharedLocation *shared_location,
473 int data_type, int plugin_type, int single_standalone);
475 // This is called multiple times by the above functions.
476 // It can't sync parameters.
477 void insert_effect(char *title,
478 SharedLocation *shared_location,
479 Track *track, PluginSet *plugin_set,
480 double start, double length, int plugin_type);
482 void match_output_size(Track *track);
483 void delete_edit(Edit *edit, const char *msg, int collapse=0);
484 void delete_edits(ArrayList<Edit*> *edits, const char *msg, int collapse=0);
485 void delete_edits(int collapse=0);
486 void cut_selected_edits(int collapse, int packed);
487 // Move edit to new position
488 void move_edits(ArrayList<Edit*> *edits, Track *track, double position,
489 int mode); // mode: 0 - mute and overwrite, 1 - cut and paste
490 void selected_edits_to_clipboard(int packed);
491 void paste_clipboard(Track *first_track, double position, int overwrite,
492 int edit_edits, int edit_labels, int edit_autos, int edit_plugins);
493 void move_group(EDL *group, Track *first_track, double position, int overwrite);
494 // Move effect to position
495 void move_effect(Plugin *plugin, Track *track, int64_t position);
496 void move_effect(Plugin *plugin, PluginSet *plugin_set, int64_t position);
497 void move_plugins_up(PluginSet *plugin_set);
498 void move_plugins_down(PluginSet *plugin_set);
499 void move_track_down(Track *track);
500 void move_tracks_down();
501 void move_track_up(Track *track);
502 void move_tracks_up();
503 void mute_selection();
504 void new_folder(const char *new_folder, int is_clips);
505 void delete_folder(char *folder);
506 // For clipboard commands
508 void paste(double start, Track *first_track, int clear_selection, int overwrite);
509 // For splice and overwrite
510 void overwrite(EDL *source, int all);
511 void splice(EDL *source, int all);
512 int paste(double start, double end, FileXML *file,
513 int edit_labels, int edit_plugins, int edit_autos,
514 Track *first_track, int overwrite);
515 int paste_output(int64_t startproject, int64_t endproject,
516 int64_t startsource_sample, int64_t endsource_sample,
517 int64_t startsource_frame, int64_t endsource_frame,
518 Asset *asset, RecordLabels *new_labels);
519 void paste_silence();
521 // Detach single transition
522 void detach_transition(Transition *transition);
523 // Detach all transitions in selection
524 void detach_transitions();
525 // Attach dragged transition
526 void paste_transition();
527 // Attach transition to all edits in selection
528 void paste_transitions(int track_type, char *title);
529 // Attach transition dragged onto CWindow
530 void paste_transition_cwindow(Track *dest_track);
531 // Attach default transition to single edit
532 void paste_audio_transition();
533 void paste_video_transition();
534 void shuffle_edits();
535 void reverse_edits();
537 void set_edit_length(double length);
538 // Set length of single transition
539 void set_transition_length(Transition *transition, double length);
540 // Set length in seconds of all transitions in active range
541 void set_transition_length(double length);
543 void remove_indexfile(Indexable *indexable);
544 void rebuild_indices();
545 // Asset removal from caches
547 void remove_from_caches(Indexable *idxbl);
548 void remove_assets_from_project(int push_undo, int redraw, int delete_indexes,
549 ArrayList<Indexable*> *drag_assets /* mwindow->session->drag_assets */,
550 ArrayList<EDL*> *drag_clips /* mwindow->session->drag_clips */);
551 void remove_assets_from_disk();
552 void resize_track(Track *track, int w, int h);
554 void set_automation_mode(int mode);
555 void set_keyframe_type(int mode);
556 void set_auto_keyframes(int value);
557 void set_span_keyframes(int value);
558 void set_auto_visibility(Autos *autos, int value);
559 void set_labels_follow_edits(int value);
561 // Update the editing mode
562 int set_editing_mode(int new_editing_mode);
563 void toggle_editing_mode();
566 void unset_inoutpoint();
567 void toggle_loop_playback();
568 void trim_selection();
569 // Synchronize EDL settings with all playback engines depending on current
570 // operation. Doesn't redraw anything.
571 void sync_parameters(int change_type = CHANGE_PARAMS);
572 void save_clip(EDL *new_edl, const char *txt);
573 void to_clip(EDL *edl, const char *txt, int all);
575 void undo_entry(BC_WindowBase *calling_window_gui);
576 void redo_entry(BC_WindowBase *calling_window_gui);
577 void save_undo_data();
578 void load_undo_data();
579 void remove_undo_data();
580 int copy_target(const char *path, const char *target);
581 int link_target(const char *real_path, const char *link_path, int relative);
582 void save_project(const char *dir, int save_mode, int overwrite, int reload);
584 int cut_automation();
585 int copy_automation();
586 int paste_automation();
587 void clear_automation();
588 int cut_default_keyframe();
589 int copy_default_keyframe();
590 // Use paste_automation to paste the default keyframe in other position.
591 // Use paste_default_keyframe to replace the default keyframe with whatever is
593 int paste_default_keyframe();
594 int clear_default_keyframe();
596 FloatAuto* get_float_auto(PatchGUI *patch,int idx);
597 IntAuto* get_int_auto(PatchGUI *patch,int idx);
598 PanAuto* get_pan_auto(PatchGUI *patch);
599 PatchGUI *get_patchgui(Track *track);
601 int modify_edithandles();
602 int modify_pluginhandles();
603 void finish_modify_handles();
604 void rescale_proxy(EDL *clip, int orig_scale, int new_scale);
605 void add_proxy(ArrayList<Indexable*> *orig_assets,
606 ArrayList<Indexable*> *proxy_assets);
607 int render_proxy(ArrayList<Indexable *> &new_idxbls);
608 void beep(double freq, double secs, double gain);
611 int to_proxy(Asset *asset, int new_scale, int new_use_scaler);
614 void dump_plugins(FILE *fp=stdout);
615 void dump_edl(FILE *fp=stdout);
616 void dump_undo(FILE *fp=stdout);
617 void dump_exe(FILE *fp=stdout);
618 void dump_caches(FILE *fp=stdout);
619 static void trap_hook(FILE *fp, void *vp);
621 void reset_android_remote();
623 // Send new EDL to caches
625 int optimize_assets(); // delete unused assets from the cache and assets
626 // render edl assets to specified format, then replace in edl
627 void start_convert(Asset *format_asset, const char *suffix,
628 float beep, int to_proxy, int remove_originals);
629 void finish_convert(int remove_originals);
630 ConvertRender *convert_render;
632 void select_point(double position);
633 int set_loop_boundaries(); // toggle loop playback and set boundaries for loop playback
636 Playback3D *playback_3d;
637 SplashGUI *splash_window;
647 // CICaches for drawing timeline only
648 CICache *audio_cache, *video_cache;
649 // Frame cache for drawing timeline only.
650 // Cache drawing doesn't wait for file decoding.
651 FrameCache *frame_cache;
652 WaveCache *wave_cache;
653 Preferences *preferences;
654 PreferencesThread *preferences_thread;
655 MainSession *session;
657 MainIndexes *mainindexes;
658 MainProgress *mainprogress;
662 const char *default_standard;
663 static Commercials *commercials;
664 int commercial_active;
665 int has_commercials();
666 // copy of edl created in speed_before, used in speed_after to normalize_speed
670 ArrayList<ColormodelItem*> colormodels;
671 ArrayList<InterlacemodeItem*> interlace_project_modes;
672 ArrayList<InterlacemodeItem*> interlace_asset_modes;
677 int select_asset(Asset *asset, int vstream, int astream, int delete_tracks);
678 int select_asset(int vtrack, int delete_tracks);
680 // Channel DB for playback only. Record channel DB's are in record.C
681 ChannelDB *channeldb_buz;
682 ChannelDB *channeldb_v4l2jpeg;
684 // ====================================== plugins ==============================
686 // Contains file descriptors for all the dlopens
687 static ArrayList<PluginServer*> *plugindb;
688 // Currently visible plugins
689 int64_t plugin_visibility;
690 PluginGUIs *plugin_guis;
691 // GUI Plugins to delete
692 ArrayList<PluginServer*> *dead_plugins;
694 ArrayList<KeyFrameThread*> *keyframe_threads;
696 // Adjust sample position to line up with frames.
697 int fix_timing(int64_t &samples_out,
702 CreateBD_Thread *create_bd;
703 CreateDVD_Thread *create_dvd;
704 BatchRenderThread *batch_render;
707 ExportEDL *exportedl;
717 Mutex *vwindows_lock;
718 ArrayList<VWindow*> vwindows;
720 Mutex *zwindows_lock;
721 ArrayList<ZWindow*> zwindows;
722 MixersAlign *mixers_align;
732 void show_warning(int *do_warning, const char *text);
735 LevelWindow *lwindow;
737 // Lock during creation and destruction of GUI
738 Mutex *plugin_gui_lock;
739 Mutex *dead_plugin_lock;
740 Mutex *keyframe_gui_lock;
741 // Lock during creation and destruction of brender so playback doesn't use it.
743 // Initialize shared memory
744 void init_shm(const char *pfn, int64_t min);
745 // Initialize channel DB's for playback
746 void init_channeldb();
748 void init_exportedl();
749 // These three happen synchronously with each other
750 // Make sure this is called after synchronizing EDL's.
752 // Restart brender after testing its existence
753 void restart_brender();
754 // Stops brender after testing its existence
756 // This one happens asynchronously of the others. Used by playback to
757 // see what frame is background rendered.
758 int brender_available(int position);
759 void set_brender_active(int v, int update=1);
760 int put_commercial();
761 void activate_commercial() { commercial_active = 1; }
762 void commit_commercial();
763 void undo_commercial();
764 void cut_commercials();
765 void update_gui(int changed_edl);
766 int paste_subtitle_text(char *text, double start, double end);
770 static void init_defaults(BC_Hash* &defaults, char *config_path);
771 void check_language();
772 const char *default_std();
773 void fill_preset_defaults(const char *preset, EDLSession *session);
774 const char *get_preset_name(int index);
778 void init_tipwindow();
779 // Used by MWindow and RenderFarmClient
780 static void get_plugin_path(char *path, const char *plug_dir, const char *fs_path);
781 static int init_plugins(MWindow *mwindow, Preferences *preferences);
782 static int init_ladspa_plugins(MWindow *mwindow, Preferences *preferences);
783 static void init_plugin_tips(ArrayList<PluginServer*> &plugins, const char *lang);
784 static int check_plugin_index(ArrayList<PluginServer*> &plugins,
785 const char *plug_dir, const char *plug_path);
786 static void init_plugin_index(MWindow *mwindow, Preferences *preferences,
787 FILE *fp, const char *plugin_dir);
788 static int init_ladspa_index(MWindow *mwindow, Preferences *preferences,
789 FILE *fp, const char *plugin_dir);
790 static void scan_plugin_index(MWindow *mwindow, Preferences *preferences,
791 FILE *fp, const char *plug_dir, const char *plug_path, int &idx);
792 static void init_ffmpeg();
793 static void init_ffmpeg_index(MWindow *mwindow, Preferences *preferences, FILE *fp);
794 static int load_plugin_index(MWindow *mwindow, FILE *fp, const char *plugin_dir);
795 static PluginServer *new_ffmpeg_server(MWindow *mwindow, const char *name);
796 static int init_lv2_index(MWindow *mwindow, Preferences *preferences, FILE *fp);
797 static PluginServer *new_lv2_server(MWindow *mwindow, const char *name);
798 static void remove_plugin_index();
800 void init_preferences();
806 void init_compositor();
807 void init_levelwindow();
808 // Called when creating a new viewer to view footage
809 VWindow* get_viewer(int start_it, int idx=-1);
815 void init_playbackcursor();
816 void init_commercials();
817 static void add_plugins(ArrayList<PluginServer*> &plugins);
818 static void delete_plugins();
820 int speed_after(int done);
821 int normalize_speed(EDL *old_edl, EDL *new_edl);
822 int get_cpus(int out_w, int out_h);
825 void clean_indexes();
826 // TimeBomb timebomb;
827 SigHandler *sighandler;