MLT 7.30.0
mlt_events.h File Reference

event handling More...

#include "mlt_types.h"

Go to the source code of this file.

Data Structures

struct  mlt_event_data
 A container for data that may be supplied with an event. More...
struct  mlt_event_data_thread
 An event data structure to convey thread parameters. More...

Typedefs

typedef void(* mlt_listener) (mlt_properties, void *, mlt_event_data)
 event handler when receiving an event message

Functions

void mlt_event_block (mlt_event self)
void mlt_event_close (mlt_event self)
mlt_event_data mlt_event_data_from_frame (mlt_frame)
mlt_event_data mlt_event_data_from_int (int value)
mlt_event_data mlt_event_data_from_object (void *)
mlt_event_data mlt_event_data_from_string (const char *value)
mlt_event_data mlt_event_data_none ()
mlt_frame mlt_event_data_to_frame (mlt_event_data)
int mlt_event_data_to_int (mlt_event_data)
void * mlt_event_data_to_object (mlt_event_data)
const char * mlt_event_data_to_string (mlt_event_data)
void mlt_event_inc_ref (mlt_event self)
void mlt_event_unblock (mlt_event self)
void mlt_events_block (mlt_properties self, void *listener_data)
void mlt_events_close_wait_for (mlt_properties self, mlt_event event)
void mlt_events_disconnect (mlt_properties self, void *listener_data)
int mlt_events_fire (mlt_properties self, const char *id, mlt_event_data)
void mlt_events_init (mlt_properties self)
mlt_event mlt_events_listen (mlt_properties self, void *listener_data, const char *id, mlt_listener listener)
int mlt_events_register (mlt_properties self, const char *id)
mlt_event mlt_events_setup_wait_for (mlt_properties self, const char *id)
void mlt_events_unblock (mlt_properties self, void *listener_data)
void mlt_events_wait_for (mlt_properties self, mlt_event event)

Detailed Description

event handling

See also
mlt_events_struct

Copyright (C) 2004-2021 Meltytech, LLC

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Typedef Documentation

◆ mlt_listener

typedef void(* mlt_listener) (mlt_properties, void *, mlt_event_data)

event handler when receiving an event message

Parameters
theproperties object on which the event was registered
anopaque pointer to the listener's data
anevent data object

Function Documentation

◆ mlt_event_block()

void mlt_event_block ( mlt_event self)
extern

◆ mlt_event_close()

void mlt_event_close ( mlt_event self)
extern

◆ mlt_event_data_from_frame()

mlt_event_data mlt_event_data_from_frame ( mlt_frame )
extern

◆ mlt_event_data_from_int()

mlt_event_data mlt_event_data_from_int ( int value)
extern

◆ mlt_event_data_from_object()

mlt_event_data mlt_event_data_from_object ( void * )
extern

◆ mlt_event_data_from_string()

mlt_event_data mlt_event_data_from_string ( const char * value)
extern

◆ mlt_event_data_none()

mlt_event_data mlt_event_data_none ( )
extern

◆ mlt_event_data_to_frame()

mlt_frame mlt_event_data_to_frame ( mlt_event_data )
extern

◆ mlt_event_data_to_int()

int mlt_event_data_to_int ( mlt_event_data )
extern

◆ mlt_event_data_to_object()

void * mlt_event_data_to_object ( mlt_event_data )
extern

◆ mlt_event_data_to_string()

const char * mlt_event_data_to_string ( mlt_event_data )
extern

◆ mlt_event_inc_ref()

void mlt_event_inc_ref ( mlt_event self)
extern

◆ mlt_event_unblock()

void mlt_event_unblock ( mlt_event self)
extern

◆ mlt_events_block()

void mlt_events_block ( mlt_properties self,
void * listener_data )
extern

◆ mlt_events_close_wait_for()

void mlt_events_close_wait_for ( mlt_properties self,
mlt_event event )
extern

◆ mlt_events_disconnect()

void mlt_events_disconnect ( mlt_properties self,
void * listener_data )
extern

◆ mlt_events_fire()

int mlt_events_fire ( mlt_properties self,
const char * id,
mlt_event_data  )
extern

◆ mlt_events_init()

void mlt_events_init ( mlt_properties self)
extern

◆ mlt_events_listen()

mlt_event mlt_events_listen ( mlt_properties self,
void * listener_data,
const char * id,
mlt_listener listener )
extern

◆ mlt_events_register()

int mlt_events_register ( mlt_properties self,
const char * id )
extern

◆ mlt_events_setup_wait_for()

mlt_event mlt_events_setup_wait_for ( mlt_properties self,
const char * id )
extern

◆ mlt_events_unblock()

void mlt_events_unblock ( mlt_properties self,
void * listener_data )
extern

◆ mlt_events_wait_for()

void mlt_events_wait_for ( mlt_properties self,
mlt_event event )
extern