src/multitrack.h File Reference

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Data Structures
struct	mt_opts
struct	lives_mt
struct	mt_undo
struct	lives_amixer_t
struct	track_rect
struct	ttable
struct	layout_map
Defines
#define	CLIP_THUMB_WIDTH   72
#define	CLIP_THUMB_HEIGHT   72
#define	CLIP_LABEL_LENGTH   20
#define	BLOCK_THUMB_WIDTH   40
#define	BLOCK_DRAW_SIMPLE   1
#define	BLOCK_DRAW_THUMB   2
#define	BLOCK_DRAW_TYPE   BLOCK_DRAW_THUMB
#define	MT_PLAY_WIDTH_SMALL   320
#define	MT_PLAY_HEIGHT_SMALL   216
#define	MT_PLAY_WIDTH_EXP   480
#define	MT_PLAY_HEIGHT_EXP   360
#define	MT_CTX_WIDTH   320
#define	MT_CTX_HEIGHT   220
#define	FX_BLOCK_WIDTH   80
#define	FX_BLOCK_HEIGHT   20
#define	TIMECODE_LENGTH   14
	length of timecode text entry, must be >12
#define	DEF_TIME   120
	default seconds when there is no event_list
#define	MT_BORDER_WIDTH   20
	width border for window
#define	IN_OUT_SEP   10
	min pixel separation for in/out images in poly_box (per image)
#define	MAX_DISP_VTRACKS   5
#define	TRACK_I_HIDDEN_USER   (1<<0)
#define	TRACK_I_HIDDEN_SCROLLED   (1<<1)
Enumerations
enum	lives_mt_mouse_mode_t { MOUSE_MODE_MOVE, MOUSE_MODE_SELECT, MOUSE_MODE_COPY }
enum	lives_mt_insert_mode_t {   INSERT_MODE_NORMAL, INSERT_MODE_OVERWRITE, INSERT_MODE_EXPAND, INSERT_MODE_FILL_START,   INSERT_MODE_FILL_END }
enum	lives_mt_grav_mode_t { GRAV_MODE_NORMAL, GRAV_MODE_LEFT, GRAV_MODE_RIGHT }
enum	lives_mt_undo_t {   MT_UNDO_NONE = 0, MT_UNDO_INSERT_BLOCK = 1, MT_UNDO_INSERT_AUDIO_BLOCK = 2, MT_UNDO_APPLY_FILTER = 512,   MT_UNDO_DELETE_FILTER = 513, MT_UNDO_SPLIT = 514, MT_UNDO_SPLIT_MULTI = 515, MT_UNDO_FILTER_MAP_CHANGE = 516,   MT_UNDO_DELETE_BLOCK = 1024, MT_UNDO_MOVE_BLOCK = 1025, MT_UNDO_REMOVE_GAPS = 1026, MT_UNDO_DELETE_AUDIO_BLOCK = 1027,   MT_UNDO_MOVE_AUDIO_BLOCK = 1028, MT_UNDO_INSERT_GAP = 1029 }
enum	lives_mt_nb_error_t {   NB_ERROR_SEL, NB_ERROR_NOEFFECT, NB_ERROR_NOTRANS, NB_ERROR_NOCOMP,   NB_ERROR_NOCLIP }
enum	lives_mt_poly_state_t {   POLY_NONE = 0, POLY_CLIPS, POLY_IN_OUT, POLY_FX_STACK,   POLY_EFFECTS, POLY_TRANS, POLY_COMP, POLY_PARAMS }
enum	lives_direction_t { DIRECTION_NEGATIVE, DIRECTION_POSITIVE }
enum	lives_mt_last_fx_type_t { MT_LAST_FX_NONE = 0, MT_LAST_FX_BLOCK, MT_LAST_FX_REGION }
enum	lives_mt_fx_order_t { FX_ORD_NONE = 0, FX_ORD_BEFORE, FX_ORD_AFTER }
enum	lives_mt_block_state_t { BLOCK_UNSELECTED = 0, BLOCK_SELECTED }
enum	lives_lmap_error_t {   LMAP_ERROR_MISSING_CLIP = 1, LMAP_ERROR_CLOSE_FILE = 2, LMAP_ERROR_DELETE_FRAMES = 3, LMAP_ERROR_DELETE_AUDIO = 4,   LMAP_ERROR_SHIFT_FRAMES = 65, LMAP_ERROR_ALTER_FRAMES = 66, LMAP_ERROR_SHIFT_AUDIO = 67, LMAP_ERROR_ALTER_AUDIO = 68,   LMAP_INFO_SETNAME_CHANGED = 1024 }
Functions
lives_mt *	multitrack (weed_plant_t *, gint orig_file, gdouble fps)
	create and return lives_mt struct
void	mt_init_tracks (lives_mt *, gboolean set_min_max)
	add basic tracks, or set tracks from mt->event_list
gboolean	on_multitrack_activate (GtkMenuItem *menuitem, weed_plant_t *event_list)
	menuitem callback
gboolean	multitrack_delete (lives_mt *, gboolean save)
void	polymorph (lives_mt *, lives_mt_poly_state_t poly)
void	mt_desensitise (lives_mt *)
void	mt_sensitise (lives_mt *)
void	insert_here_cb (GtkMenuItem *, gpointer mt)
void	insert_audio_here_cb (GtkMenuItem *, gpointer mt)
void	insert_at_ctx_cb (GtkMenuItem *, gpointer mt)
void	insert_audio_at_ctx_cb (GtkMenuItem *, gpointer mt)
void	multitrack_end_cb (GtkMenuItem *, gpointer mt)
void	delete_block_cb (GtkMenuItem *, gpointer mt)
void	selblock_cb (GtkMenuItem *, gpointer mt)
void	list_fx_here_cb (GtkMenuItem *, gpointer mt)
void	edit_start_end_cb (GtkMenuItem *, gpointer mt)
void	close_clip_cb (GtkMenuItem *, gpointer mt)
void	show_clipinfo_cb (GtkMenuItem *, gpointer mt)
void	on_add_video_track_activate (GtkMenuItem *, gpointer mt)
void	multitrack_insert (GtkMenuItem *, gpointer mt)
void	multitrack_adj_start_end (GtkMenuItem *, gpointer mt)
void	multitrack_audio_insert (GtkMenuItem *, gpointer mt)
void	multitrack_view_events (GtkMenuItem *, gpointer mt)
void	multitrack_view_sel_events (GtkMenuItem *, gpointer mt)
void	on_render_activate (GtkMenuItem *, gpointer mt)
void	on_prerender_aud_activate (GtkMenuItem *, gpointer mt)
void	on_jumpnext_activate (GtkMenuItem *, gpointer mt)
void	on_jumpback_activate (GtkMenuItem *, gpointer mt)
void	on_delblock_activate (GtkMenuItem *, gpointer mt)
void	on_seltrack_activate (GtkMenuItem *, gpointer mt)
void	multitrack_view_details (GtkMenuItem *, gpointer mt)
void	mt_add_region_effect (GtkMenuItem *, gpointer mt)
void	mt_add_block_effect (GtkMenuItem *, gpointer mt)
void	on_save_event_list_activate (GtkMenuItem *, gpointer mt)
void	on_load_event_list_activate (GtkMenuItem *, gpointer mt)
void	on_clear_event_list_activate (GtkMenuItem *, gpointer mt)
void	show_frame_events_activate (GtkMenuItem *, gpointer)
void	mt_save_vals_toggled (GtkMenuItem *, gpointer mt)
void	mt_load_vals_toggled (GtkMenuItem *, gpointer mt)
void	mt_render_vid_toggled (GtkMenuItem *, gpointer mt)
void	mt_render_aud_toggled (GtkMenuItem *, gpointer mt)
void	mt_fplay_toggled (GtkMenuItem *, gpointer mt)
void	mt_change_vals_activate (GtkMenuItem *, gpointer mt)
void	on_set_pvals_clicked (GtkWidget *button, gpointer mt)
void	on_move_fx_changed (GtkMenuItem *, gpointer mt)
void	select_all_time (GtkMenuItem *, gpointer mt)
void	select_from_zero_time (GtkMenuItem *, gpointer mt)
void	select_to_end_time (GtkMenuItem *, gpointer mt)
void	select_all_vid (GtkMenuItem *, gpointer mt)
void	select_no_vid (GtkMenuItem *, gpointer mt)
void	on_split_sel_activate (GtkMenuItem *, gpointer mt)
void	on_split_curr_activate (GtkMenuItem *, gpointer mt)
void	multitrack_undo (GtkMenuItem *, gpointer mt)
void	multitrack_redo (GtkMenuItem *, gpointer mt)
void	on_mt_showkeys_activate (GtkMenuItem *, gpointer)
void	on_mt_list_fx_activate (GtkMenuItem *, gpointer mt)
void	on_mt_delfx_activate (GtkMenuItem *, gpointer mt)
void	on_mt_fx_edit_activate (GtkMenuItem *, gpointer mt)
void	mt_view_audio_toggled (GtkMenuItem *, gpointer mt)
void	mt_view_ctx_toggled (GtkMenuItem *, gpointer mt)
void	mt_ign_ins_sel_toggled (GtkMenuItem *, gpointer mt)
void	mt_change_max_disp_tracks (GtkMenuItem *, gpointer mt)
weed_plant_t *	add_blank_frames_up_to (weed_plant_t *event_list, weed_plant_t *start_event, weed_timecode_t end_tc, gdouble fps)
void	on_cback_audio_activate (GtkMenuItem *, gpointer mt)
GtkWidget *	add_audio_track (lives_mt *, gint trackno, gboolean behind)
void	add_video_track_behind (GtkMenuItem *, gpointer mt)
void	add_video_track_front (GtkMenuItem *, gpointer mt)
void	delete_video_track (lives_mt *, gint layer, gboolean full)
void	delete_audio_track (lives_mt *, GtkWidget *eventbox, gboolean full)
void	delete_audio_tracks (lives_mt *, GList *list, gboolean full)
void	remove_gaps (GtkMenuItem *, gpointer mt)
void	remove_first_gaps (GtkMenuItem *, gpointer mt)
void	on_insgap_sel_activate (GtkMenuItem *, gpointer mt)
void	on_insgap_cur_activate (GtkMenuItem *, gpointer mt)
void	on_split_activate (GtkMenuItem *, gpointer mt)
void	scroll_tracks (lives_mt *, gint top_track)
gboolean	track_arrow_pressed (GtkWidget *ahbox, GdkEventButton *, gpointer mt)
void	track_select (lives_mt *)
	must call after setting mt->current_track
gboolean	mt_track_is_audio (lives_mt *, int ntrack)
	return TRUE if ntrack is a valid backing audio track
gboolean	mt_track_is_video (lives_mt *, int ntrack)
	return TRUE if ntrack is a valid video track
void	mt_do_autotransition (lives_mt *, track_rect *block)
	call this on a block to apply autotransition on it
gboolean	on_track_click (GtkWidget *eventbox, GdkEventButton *, gpointer mt)
gboolean	on_atrack_click (GtkWidget *eventbox, GdkEventButton *, gpointer mt)
gboolean	on_track_header_click (GtkWidget *eventbox, GdkEventButton *, gpointer mt)
gboolean	on_track_between_click (GtkWidget *eventbox, GdkEventButton *, gpointer mt)
gboolean	on_track_release (GtkWidget *eventbox, GdkEventButton *event, gpointer mt)
gboolean	on_atrack_release (GtkWidget *eventbox, GdkEventButton *event, gpointer mt)
gboolean	on_track_header_release (GtkWidget *eventbox, GdkEventButton *, gpointer mt)
gboolean	on_track_between_release (GtkWidget *eventbox, GdkEventButton *, gpointer mt)
gboolean	on_track_move (GtkWidget *widget, GdkEventMotion *event, gpointer mt)
gboolean	on_track_header_move (GtkWidget *widget, GdkEventMotion *event, gpointer mt)
void	unselect_all (lives_mt *)
	unselect all blocks
void	insert_frames (gint filenum, weed_timecode_t offset_start, weed_timecode_t offset_end, weed_timecode_t tc, lives_direction_t direction, GtkWidget *eventbox, lives_mt *, track_rect *in_block)
void	insert_audio (gint filenum, weed_timecode_t offset_start, weed_timecode_t offset_end, weed_timecode_t tc, gdouble avel, lives_direction_t direction, GtkWidget *eventbox, lives_mt *, track_rect *in_block)
void	on_seltrack_toggled (GtkWidget *, gpointer mt)
void	scroll_track_by_scrollbar (GtkVScrollbar *sbar, gpointer mt)
void	in_out_start_changed (GtkWidget *, gpointer mt)
void	in_out_end_changed (GtkWidget *, gpointer mt)
void	in_anchor_toggled (GtkToggleButton *, gpointer mt)
void	out_anchor_toggled (GtkToggleButton *, gpointer mt)
void	avel_reverse_toggled (GtkToggleButton *, gpointer mt)
void	avel_spin_changed (GtkSpinButton *, gpointer mt)
gint	mt_get_last_block_number (lives_mt *, int ntrack)
	get index of last inserted (wallclock time) block for track
gint	mt_get_block_count (lives_mt *, int ntrack)
	count blocks in track
gdouble	mt_get_block_sttime (lives_mt *, int ntrack, int iblock)
	return time in seconds of first frame event in block
gdouble	mt_get_block_entime (lives_mt *, int ntrack, int iblock)
	get timeline start time of block
void	mt_tl_move (lives_mt *, gdouble pos_rel)
	get timeline end time of block
void	set_timeline_end_secs (lives_mt *, gdouble secs)
gboolean	on_timeline_press (GtkWidget *, GdkEventButton *, gpointer mt)
gboolean	on_timeline_release (GtkWidget *, GdkEventButton *, gpointer mt)
gboolean	on_timeline_update (GtkWidget *, GdkEventMotion *, gpointer mt)
gint	expose_timeline_reg_event (GtkWidget *, GdkEventExpose *, gpointer mt)
gint	mt_expose_laudtrack_event (GtkWidget *ebox, GdkEventExpose *, gpointer mt)
gint	mt_expose_raudtrack_event (GtkWidget *ebox, GdkEventExpose *, gpointer mt)
void	draw_region (lives_mt *mt)
void	tc_to_rs (GtkMenuItem *, gpointer mt)
void	tc_to_re (GtkMenuItem *, gpointer mt)
void	rs_to_tc (GtkMenuItem *, gpointer mt)
void	re_to_tc (GtkMenuItem *, gpointer mt)
gboolean	mt_mark_callback (GtkAccelGroup *group, GObject *obj, guint keyval, GdkModifierType mod, gpointer user_data)
void	multitrack_clear_marks (GtkMenuItem *, gpointer mt)
void	mt_show_current_frame (lives_mt *)
	preview th current frame (non-effects mode)
void	mt_clear_timeline (lives_mt *mt)
void	clear_context (lives_mt *)
void	add_context_label (lives_mt *, const gchar *text)
void	mouse_mode_context (lives_mt *)
void	do_sel_context (lives_mt *)
void	do_fx_list_context (lives_mt *, gint fxcount)
void	do_fx_move_context (lives_mt *mt)
void	multitrack_playall (lives_mt *)
void	multitrack_play_sel (GtkMenuItem *, gpointer mt)
void	animate_multitrack (lives_mt *)
void	unpaint_line (lives_mt *, GtkWidget *eventbox)
void	unpaint_lines (lives_mt *)
void	mt_prepare_for_playback (lives_mt *)
void	mt_post_playback (lives_mt *)
void	on_next_node_clicked (GtkWidget *, gpointer mt)
void	on_prev_node_clicked (GtkWidget *, gpointer mt)
void	on_del_node_clicked (GtkWidget *, gpointer mt)
void	on_node_spin_value_changed (GtkSpinButton *, gpointer mt)
gdouble	mt_get_effect_time (lives_mt *)
void	on_frame_preview_clicked (GtkButton *, gpointer mt)
void	show_preview (lives_mt *, weed_timecode_t tc)
weed_plant_t *	get_prev_fm (lives_mt *, gint current_track, weed_plant_t *frame)
weed_plant_t *	get_next_fm (lives_mt *, gint current_track, weed_plant_t *frame)
void	on_prev_fm_clicked (GtkWidget *button, gpointer user_data)
void	on_next_fm_clicked (GtkWidget *button, gpointer user_data)
void	on_fx_insb_clicked (GtkWidget *button, gpointer user_data)
void	on_fx_insa_clicked (GtkWidget *button, gpointer user_data)
guint	event_list_get_byte_size (lives_mt *mt, weed_plant_t *event_list, int *num_events)
	returns bytes and sets num_events
gboolean	event_list_rectify (lives_mt *, weed_plant_t *event_listy)
gboolean	make_backup_space (lives_mt *, size_t space_needed)
void	activate_mt_preview (lives_mt *)
	sensitize Show Preview and Apply buttons
void **	mt_get_pchain (void)
void	event_list_free_undos (lives_mt *)
gboolean	used_in_current_layout (lives_mt *, gint file)
gboolean	compare_filter_maps (weed_plant_t *fm1, weed_plant_t *fm2, gint ctrack)
	ctrack can be -1 to compare all events, else we cf for ctrack
void	move_init_in_filter_map (lives_mt *mt, weed_plant_t *event_list, weed_plant_t *fmap, weed_plant_t *ifrom, weed_plant_t *ito, gint track, gboolean after)
void	update_filter_events (lives_mt *, weed_plant_t *first_event, weed_timecode_t start_tc, weed_timecode_t end_tc, int track, weed_timecode_t new_start_tc, int new_track)
void	mt_fixup_events (lives_mt *, weed_plant_t *old_event, weed_plant_t *new_event)
weed_plant_t *	load_event_list (lives_mt *, gchar *eload_file)
GList *	load_layout_map (void)
void	add_markers (lives_mt *, weed_plant_t *event_list)
void	remove_markers (weed_plant_t *event_list)
void	save_layout_map (int *lmap, double *lmap_audio, const gchar *file, const gchar *dir)
void	wipe_layout (lives_mt *)
void	migrate_layouts (const gchar *old_set_name, const gchar *new_set_name)
GList *	layout_frame_is_affected (gint clipno, gint frame)
GList *	layout_audio_is_affected (gint clipno, gdouble time)
gboolean	check_for_layout_del (lives_mt *, gboolean exiting)
void	stored_event_list_free_all (gboolean wiped)
void	stored_event_list_free_undos (void)
void	remove_current_from_affected_layouts (lives_mt *)
guint	mt_idle_add (lives_mt *)
void	recover_layout (GtkButton *, gpointer)
void	recover_layout_cancelled (GtkButton *, gpointer user_data)
void	write_backup_layout_numbering (lives_mt *)
void	mouse_select_end (GtkWidget *, lives_mt *)
void	amixer_show (GtkButton *, gpointer mt)
void	on_amixer_close_clicked (GtkButton *, lives_mt *mt)
GtkWidget *	amixer_add_channel_slider (lives_mt *, gint i)
void	mt_change_disp_tracks_ok (GtkButton *, gpointer user_data)
void	mt_swap_play_pause (lives_mt *, gboolean put_pause)
gchar *	set_values_from_defs (lives_mt *, gboolean from_prefs)
void	mt_clip_select (lives_mt *, gboolean scroll)
void	mt_delete_clips (lives_mt *, gint file)
void	mt_init_clips (lives_mt *, gint orig_file, gboolean add)

---

Define Documentation

#define BLOCK_DRAW_SIMPLE   1

#define BLOCK_DRAW_THUMB   2

#define BLOCK_DRAW_TYPE   BLOCK_DRAW_THUMB

#define BLOCK_THUMB_WIDTH   40

#define CLIP_LABEL_LENGTH   20

#define CLIP_THUMB_HEIGHT   72

#define CLIP_THUMB_WIDTH   72

#define DEF_TIME   120

default seconds when there is no event_list

#define FX_BLOCK_HEIGHT   20

#define FX_BLOCK_WIDTH   80

#define IN_OUT_SEP   10

min pixel separation for in/out images in poly_box (per image)

#define MAX_DISP_VTRACKS   5

#define MT_BORDER_WIDTH   20

width border for window

#define MT_CTX_HEIGHT   220

#define MT_CTX_WIDTH   320

#define MT_PLAY_HEIGHT_EXP   360

#define MT_PLAY_HEIGHT_SMALL   216

#define MT_PLAY_WIDTH_EXP   480

#define MT_PLAY_WIDTH_SMALL   320

#define TIMECODE_LENGTH   14

length of timecode text entry, must be >12

#define TRACK_I_HIDDEN_SCROLLED   (1<<1)

#define TRACK_I_HIDDEN_USER   (1<<0)

---

Enumeration Type Documentation

enum lives_direction_t

Enumerator:

DIRECTION_NEGATIVE
DIRECTION_POSITIVE

enum lives_lmap_error_t

Enumerator:

LMAP_ERROR_MISSING_CLIP
LMAP_ERROR_CLOSE_FILE
LMAP_ERROR_DELETE_FRAMES
LMAP_ERROR_DELETE_AUDIO
LMAP_ERROR_SHIFT_FRAMES
LMAP_ERROR_ALTER_FRAMES
LMAP_ERROR_SHIFT_AUDIO
LMAP_ERROR_ALTER_AUDIO
LMAP_INFO_SETNAME_CHANGED

enum lives_mt_block_state_t

Enumerator:

BLOCK_UNSELECTED
BLOCK_SELECTED

enum lives_mt_fx_order_t

Enumerator:

FX_ORD_NONE
FX_ORD_BEFORE
FX_ORD_AFTER

enum lives_mt_grav_mode_t

Enumerator:

GRAV_MODE_NORMAL
GRAV_MODE_LEFT
GRAV_MODE_RIGHT

enum lives_mt_insert_mode_t

Enumerator:

INSERT_MODE_NORMAL	the default (only insert if it fits)
INSERT_MODE_OVERWRITE	overwite existing blocks
INSERT_MODE_EXPAND	repeat to fill gap
INSERT_MODE_FILL_START	insert enough to fill gap (from selection start)
INSERT_MODE_FILL_END	insert enough to fill gap (to selection end)

enum lives_mt_last_fx_type_t

Enumerator:

MT_LAST_FX_NONE
MT_LAST_FX_BLOCK
MT_LAST_FX_REGION

enum lives_mt_mouse_mode_t

Enumerator:

MOUSE_MODE_MOVE
MOUSE_MODE_SELECT
MOUSE_MODE_COPY

enum lives_mt_nb_error_t

Enumerator:

NB_ERROR_SEL
NB_ERROR_NOEFFECT
NB_ERROR_NOTRANS
NB_ERROR_NOCOMP
NB_ERROR_NOCLIP

enum lives_mt_poly_state_t

Enumerator:

POLY_NONE
POLY_CLIPS
POLY_IN_OUT
POLY_FX_STACK
POLY_EFFECTS
POLY_TRANS
POLY_COMP
POLY_PARAMS

enum lives_mt_undo_t

Enumerator:

MT_UNDO_NONE	no event_list
MT_UNDO_INSERT_BLOCK
MT_UNDO_INSERT_AUDIO_BLOCK
MT_UNDO_APPLY_FILTER
MT_UNDO_DELETE_FILTER
MT_UNDO_SPLIT
MT_UNDO_SPLIT_MULTI
MT_UNDO_FILTER_MAP_CHANGE
MT_UNDO_DELETE_BLOCK
MT_UNDO_MOVE_BLOCK
MT_UNDO_REMOVE_GAPS
MT_UNDO_DELETE_AUDIO_BLOCK
MT_UNDO_MOVE_AUDIO_BLOCK
MT_UNDO_INSERT_GAP

---

Function Documentation

void activate_mt_preview

(

lives_mt *

)

sensitize Show Preview and Apply buttons

GtkWidget* add_audio_track	(	lives_mt *	,
		gint	trackno,
		gboolean	behind
	)

weed_plant_t* add_blank_frames_up_to	(	weed_plant_t *	event_list,
		weed_plant_t *	start_event,
		weed_timecode_t	end_tc,
		gdouble	fps
	)

void add_context_label	(	lives_mt *	,
		const gchar *	text
	)

void add_markers	(	lives_mt *	,
		weed_plant_t *	event_list
	)

void add_video_track_behind	(	GtkMenuItem *	,
		gpointer	mt
	)

void add_video_track_front	(	GtkMenuItem *	,
		gpointer	mt
	)

GtkWidget* amixer_add_channel_slider	(	lives_mt *	,
		gint	i
	)

void amixer_show	(	GtkButton *	,
		gpointer	mt
	)

void animate_multitrack

(

lives_mt *

)

void avel_reverse_toggled	(	GtkToggleButton *	,
		gpointer	mt
	)

void avel_spin_changed	(	GtkSpinButton *	,
		gpointer	mt
	)

gboolean check_for_layout_del	(	lives_mt *	,
		gboolean	exiting
	)

void clear_context

(

lives_mt *

)

void close_clip_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

gboolean compare_filter_maps	(	weed_plant_t *	fm1,
		weed_plant_t *	fm2,
		gint	ctrack
	)

ctrack can be -1 to compare all events, else we cf for ctrack

void delete_audio_track	(	lives_mt *	,
		GtkWidget *	eventbox,
		gboolean	full
	)

void delete_audio_tracks	(	lives_mt *	,
		GList *	list,
		gboolean	full
	)

void delete_block_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

void delete_video_track	(	lives_mt *	,
		gint	layer,
		gboolean	full
	)

void do_fx_list_context	(	lives_mt *	,
		gint	fxcount
	)

void do_fx_move_context

(

lives_mt *

mt

)

void do_sel_context

(

lives_mt *

)

void draw_region

(

lives_mt *

mt

)

void edit_start_end_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

void event_list_free_undos

(

lives_mt *

)

guint event_list_get_byte_size	(	lives_mt *	mt,
		weed_plant_t *	event_list,
		int *	num_events
	)

returns bytes and sets num_events

gboolean event_list_rectify	(	lives_mt *	,
		weed_plant_t *	event_listy
	)

gint expose_timeline_reg_event	(	GtkWidget *	,
		GdkEventExpose *	,
		gpointer	mt
	)

weed_plant_t* get_next_fm	(	lives_mt *	,
		gint	current_track,
		weed_plant_t *	frame
	)

weed_plant_t* get_prev_fm	(	lives_mt *	,
		gint	current_track,
		weed_plant_t *	frame
	)

void in_anchor_toggled	(	GtkToggleButton *	,
		gpointer	mt
	)

void in_out_end_changed	(	GtkWidget *	,
		gpointer	mt
	)

void in_out_start_changed	(	GtkWidget *	,
		gpointer	mt
	)

void insert_at_ctx_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

void insert_audio	(	gint	filenum,
		weed_timecode_t	offset_start,
		weed_timecode_t	offset_end,
		weed_timecode_t	tc,
		gdouble	avel,
		lives_direction_t	direction,
		GtkWidget *	eventbox,
		lives_mt *	,
		track_rect *	in_block
	)

void insert_audio_at_ctx_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

void insert_audio_here_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

void insert_frames	(	gint	filenum,
		weed_timecode_t	offset_start,
		weed_timecode_t	offset_end,
		weed_timecode_t	tc,
		lives_direction_t	direction,
		GtkWidget *	eventbox,
		lives_mt *	,
		track_rect *	in_block
	)

void insert_here_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

GList* layout_audio_is_affected	(	gint	clipno,
		gdouble	time
	)

GList* layout_frame_is_affected	(	gint	clipno,
		gint	frame
	)

void list_fx_here_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

weed_plant_t* load_event_list	(	lives_mt *	,
		gchar *	eload_file
	)

GList* load_layout_map

(

void

)

gboolean make_backup_space	(	lives_mt *	,
		size_t	space_needed
	)

void migrate_layouts	(	const gchar *	old_set_name,
		const gchar *	new_set_name
	)

void mouse_mode_context

(

lives_mt *

)

void mouse_select_end	(	GtkWidget *	,
		lives_mt *
	)

void move_init_in_filter_map	(	lives_mt *	mt,
		weed_plant_t *	event_list,
		weed_plant_t *	fmap,
		weed_plant_t *	ifrom,
		weed_plant_t *	ito,
		gint	track,
		gboolean	after
	)

void mt_add_block_effect	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_add_region_effect	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_change_disp_tracks_ok	(	GtkButton *	,
		gpointer	user_data
	)

void mt_change_max_disp_tracks	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_change_vals_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_clear_timeline

(

lives_mt *

mt

)

void mt_clip_select	(	lives_mt *	,
		gboolean	scroll
	)

void mt_delete_clips	(	lives_mt *	,
		gint	file
	)

void mt_desensitise

(

lives_mt *

)

void mt_do_autotransition	(	lives_mt *	,
		track_rect *	block
	)

call this on a block to apply autotransition on it

<invalid block

<filter has no in parameters

< filter has no transition parameter

< cannot transition with self !

< force some visual changes

< cannot transition with self !

gint mt_expose_laudtrack_event	(	GtkWidget *	ebox,
		GdkEventExpose *	,
		gpointer	mt
	)

gint mt_expose_raudtrack_event	(	GtkWidget *	ebox,
		GdkEventExpose *	,
		gpointer	mt
	)

void mt_fixup_events	(	lives_mt *	,
		weed_plant_t *	old_event,
		weed_plant_t *	new_event
	)

void mt_fplay_toggled	(	GtkMenuItem *	,
		gpointer	mt
	)

gint mt_get_block_count	(	lives_mt *	,
		int	ntrack
	)

count blocks in track

< no blocks in track

gdouble mt_get_block_entime	(	lives_mt *	mt,
		int	ntrack,
		int	iblock
	)

get timeline start time of block

< invalid track or block number

gdouble mt_get_block_sttime	(	lives_mt *	,
		int	ntrack,
		int	iblock
	)

return time in seconds of first frame event in block

< invalid track or block number

gdouble mt_get_effect_time

(

lives_mt *

)

gint mt_get_last_block_number	(	lives_mt *	,
		int	ntrack
	)

get index of last inserted (wallclock time) block for track

< no blocks in track

void** mt_get_pchain

(

void

)

guint mt_idle_add

(

lives_mt *

)

void mt_ign_ins_sel_toggled	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_init_clips	(	lives_mt *	,
		gint	orig_file,
		gboolean	add
	)

void mt_init_tracks	(	lives_mt *	,
		gboolean	set_min_max
	)

add basic tracks, or set tracks from mt->event_list

void mt_load_vals_toggled	(	GtkMenuItem *	,
		gpointer	mt
	)

gboolean mt_mark_callback	(	GtkAccelGroup *	group,
		GObject *	obj,
		guint	keyval,
		GdkModifierType	mod,
		gpointer	user_data
	)

void mt_post_playback

(

lives_mt *

)

void mt_prepare_for_playback

(

lives_mt *

)

void mt_render_aud_toggled	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_render_vid_toggled	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_save_vals_toggled	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_sensitise

(

lives_mt *

)

void mt_show_current_frame

(

lives_mt *

)

preview th current frame (non-effects mode)

void mt_swap_play_pause	(	lives_mt *	,
		gboolean	put_pause
	)

void mt_tl_move	(	lives_mt *	,
		gdouble	pos_rel
	)

get timeline end time of block

gboolean mt_track_is_audio	(	lives_mt *	,
		int	ntrack
	)

return TRUE if ntrack is a valid backing audio track

gboolean mt_track_is_video	(	lives_mt *	,
		int	ntrack
	)

return TRUE if ntrack is a valid video track

void mt_view_audio_toggled	(	GtkMenuItem *	,
		gpointer	mt
	)

void mt_view_ctx_toggled	(	GtkMenuItem *	,
		gpointer	mt
	)

lives_mt* multitrack	(	weed_plant_t *	,
		gint	orig_file,
		gdouble	fps
	)

create and return lives_mt struct

the autotransitions menu

apply block effect menu

None autotransition

void multitrack_adj_start_end	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_audio_insert	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_clear_marks	(	GtkMenuItem *	,
		gpointer	mt
	)

gboolean multitrack_delete	(	lives_mt *	,
		gboolean	save
	)

void multitrack_end_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_insert	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_play_sel	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_playall

(

lives_mt *

)

void multitrack_redo	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_undo	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_view_details	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_view_events	(	GtkMenuItem *	,
		gpointer	mt
	)

void multitrack_view_sel_events	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_add_video_track_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_amixer_close_clicked	(	GtkButton *	,
		lives_mt *	mt
	)

gboolean on_atrack_click	(	GtkWidget *	eventbox,
		GdkEventButton *	,
		gpointer	mt
	)

gboolean on_atrack_release	(	GtkWidget *	eventbox,
		GdkEventButton *	event,
		gpointer	mt
	)

void on_cback_audio_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_clear_event_list_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_del_node_clicked	(	GtkWidget *	,
		gpointer	mt
	)

void on_delblock_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_frame_preview_clicked	(	GtkButton *	,
		gpointer	mt
	)

void on_fx_insa_clicked	(	GtkWidget *	button,
		gpointer	user_data
	)

void on_fx_insb_clicked	(	GtkWidget *	button,
		gpointer	user_data
	)

void on_insgap_cur_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_insgap_sel_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_jumpback_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_jumpnext_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_load_event_list_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_move_fx_changed	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_mt_delfx_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_mt_fx_edit_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_mt_list_fx_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_mt_showkeys_activate	(	GtkMenuItem *	,
		gpointer
	)

gboolean on_multitrack_activate	(	GtkMenuItem *	menuitem,
		weed_plant_t *	event_list
	)

menuitem callback

void on_next_fm_clicked	(	GtkWidget *	button,
		gpointer	user_data
	)

void on_next_node_clicked	(	GtkWidget *	,
		gpointer	mt
	)

void on_node_spin_value_changed	(	GtkSpinButton *	,
		gpointer	mt
	)

void on_prerender_aud_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_prev_fm_clicked	(	GtkWidget *	button,
		gpointer	user_data
	)

void on_prev_node_clicked	(	GtkWidget *	,
		gpointer	mt
	)

void on_render_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_save_event_list_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_seltrack_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_seltrack_toggled	(	GtkWidget *	,
		gpointer	mt
	)

void on_set_pvals_clicked	(	GtkWidget *	button,
		gpointer	mt
	)

void on_split_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_split_curr_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

void on_split_sel_activate	(	GtkMenuItem *	,
		gpointer	mt
	)

gboolean on_timeline_press	(	GtkWidget *	,
		GdkEventButton *	,
		gpointer	mt
	)

gboolean on_timeline_release	(	GtkWidget *	,
		GdkEventButton *	,
		gpointer	mt
	)

gboolean on_timeline_update	(	GtkWidget *	,
		GdkEventMotion *	,
		gpointer	mt
	)

gboolean on_track_between_click	(	GtkWidget *	eventbox,
		GdkEventButton *	,
		gpointer	mt
	)

gboolean on_track_between_release	(	GtkWidget *	eventbox,
		GdkEventButton *	,
		gpointer	mt
	)

gboolean on_track_click	(	GtkWidget *	eventbox,
		GdkEventButton *	,
		gpointer	mt
	)

gboolean on_track_header_click	(	GtkWidget *	eventbox,
		GdkEventButton *	,
		gpointer	mt
	)

gboolean on_track_header_move	(	GtkWidget *	widget,
		GdkEventMotion *	event,
		gpointer	mt
	)

gboolean on_track_header_release	(	GtkWidget *	eventbox,
		GdkEventButton *	,
		gpointer	mt
	)

gboolean on_track_move	(	GtkWidget *	widget,
		GdkEventMotion *	event,
		gpointer	mt
	)

gboolean on_track_release	(	GtkWidget *	eventbox,
		GdkEventButton *	event,
		gpointer	mt
	)

void out_anchor_toggled	(	GtkToggleButton *	,
		gpointer	mt
	)

void polymorph	(	lives_mt *	,
		lives_mt_poly_state_t	poly
	)

void re_to_tc	(	GtkMenuItem *	,
		gpointer	mt
	)

void recover_layout	(	GtkButton *	,
		gpointer
	)

void recover_layout_cancelled	(	GtkButton *	,
		gpointer	user_data
	)

void remove_current_from_affected_layouts

(

lives_mt *

)

void remove_first_gaps	(	GtkMenuItem *	,
		gpointer	mt
	)

void remove_gaps	(	GtkMenuItem *	,
		gpointer	mt
	)

void remove_markers

(

weed_plant_t *

event_list

)

void rs_to_tc	(	GtkMenuItem *	,
		gpointer	mt
	)

void save_layout_map	(	int *	lmap,
		double *	lmap_audio,
		const gchar *	file,
		const gchar *	dir
	)

void scroll_track_by_scrollbar	(	GtkVScrollbar *	sbar,
		gpointer	mt
	)

void scroll_tracks	(	lives_mt *	,
		gint	top_track
	)

void selblock_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

void select_all_time	(	GtkMenuItem *	,
		gpointer	mt
	)

void select_all_vid	(	GtkMenuItem *	,
		gpointer	mt
	)

void select_from_zero_time	(	GtkMenuItem *	,
		gpointer	mt
	)

void select_no_vid	(	GtkMenuItem *	,
		gpointer	mt
	)

void select_to_end_time	(	GtkMenuItem *	,
		gpointer	mt
	)

void set_timeline_end_secs	(	lives_mt *	,
		gdouble	secs
	)

gchar* set_values_from_defs	(	lives_mt *	,
		gboolean	from_prefs
	)

void show_clipinfo_cb	(	GtkMenuItem *	,
		gpointer	mt
	)

void show_frame_events_activate	(	GtkMenuItem *	,
		gpointer
	)

void show_preview	(	lives_mt *	,
		weed_timecode_t	tc
	)

void stored_event_list_free_all

(

gboolean

wiped

)

void stored_event_list_free_undos

(

void

)

void tc_to_re	(	GtkMenuItem *	,
		gpointer	mt
	)

void tc_to_rs	(	GtkMenuItem *	,
		gpointer	mt
	)

gboolean track_arrow_pressed	(	GtkWidget *	ahbox,
		GdkEventButton *	,
		gpointer	mt
	)

void track_select

(

lives_mt *

)

must call after setting mt->current_track

void unpaint_line	(	lives_mt *	,
		GtkWidget *	eventbox
	)

void unpaint_lines

(

lives_mt *

)

void unselect_all

(

lives_mt *

)

unselect all blocks

void update_filter_events	(	lives_mt *	,
		weed_plant_t *	first_event,
		weed_timecode_t	start_tc,
		weed_timecode_t	end_tc,
		int	track,
		weed_timecode_t	new_start_tc,
		int	new_track
	)

gboolean used_in_current_layout	(	lives_mt *	,
		gint	file
	)

void wipe_layout

(

lives_mt *

)

void write_backup_layout_numbering

(

lives_mt *

)