mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-24 20:48:52 +02:00
1168 lines
36 KiB
C
1168 lines
36 KiB
C
/*****************************************************************************
|
|
* media_player.c: Libvlc API Media Instance management functions
|
|
*****************************************************************************
|
|
* Copyright (C) 2005 the VideoLAN team
|
|
* $Id$
|
|
*
|
|
* Authors: Clément Stenac <zorglub@videolan.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
|
*****************************************************************************/
|
|
|
|
#include "libvlc_internal.h"
|
|
|
|
#include <vlc/libvlc.h>
|
|
#include <vlc_demux.h>
|
|
#include <vlc_input.h>
|
|
#include <vlc_vout.h>
|
|
#include "libvlc.h"
|
|
|
|
static void
|
|
input_state_changed( const vlc_event_t * event, void * p_userdata );
|
|
|
|
static int
|
|
input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
|
|
vlc_value_t oldval, vlc_value_t newval,
|
|
void * p_userdata );
|
|
static int
|
|
input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
|
|
vlc_value_t oldval, vlc_value_t newval,
|
|
void * p_userdata );
|
|
static int
|
|
input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
|
|
vlc_value_t oldval, vlc_value_t newval,
|
|
void * p_userdata );
|
|
|
|
static const libvlc_state_t vlc_to_libvlc_state_array[] =
|
|
{
|
|
[INIT_S] = libvlc_NothingSpecial,
|
|
[OPENING_S] = libvlc_Opening,
|
|
[PLAYING_S] = libvlc_Playing,
|
|
[PAUSE_S] = libvlc_Paused,
|
|
[END_S] = libvlc_Ended,
|
|
[ERROR_S] = libvlc_Error,
|
|
};
|
|
|
|
static inline libvlc_state_t vlc_to_libvlc_state( int vlc_state )
|
|
{
|
|
if( vlc_state < 0 || vlc_state > 6 )
|
|
return libvlc_Ended;
|
|
|
|
return vlc_to_libvlc_state_array[vlc_state];
|
|
}
|
|
|
|
/*
|
|
* Release the associated input thread
|
|
*
|
|
* Object lock is NOT held.
|
|
*/
|
|
static void release_input_thread( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t * p_input_thread;
|
|
|
|
if( !p_mi || !p_mi->p_input_thread )
|
|
return;
|
|
|
|
p_input_thread = p_mi->p_input_thread;
|
|
|
|
/* No one is tracking this input_thread appart us. Destroy it */
|
|
if( p_mi->b_own_its_input_thread )
|
|
{
|
|
vlc_event_manager_t * p_em = input_GetEventManager( p_input_thread );
|
|
vlc_event_detach( p_em, vlc_InputStateChanged, input_state_changed, p_mi );
|
|
var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
|
|
var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
|
|
var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
|
|
|
|
/* We owned this one */
|
|
input_StopThread( p_input_thread );
|
|
vlc_thread_join( p_input_thread );
|
|
|
|
var_Destroy( p_input_thread, "drawable" );
|
|
}
|
|
|
|
vlc_object_release( p_input_thread );
|
|
|
|
p_mi->p_input_thread = NULL;
|
|
}
|
|
|
|
/*
|
|
* Retrieve the input thread. Be sure to release the object
|
|
* once you are done with it. (libvlc Internal)
|
|
*
|
|
* Object lock is held.
|
|
*/
|
|
input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
if( !p_mi ) RAISENULL( "Media Instance is NULL" );
|
|
|
|
vlc_mutex_lock( &p_mi->object_lock );
|
|
|
|
if( !p_mi->p_input_thread )
|
|
{
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
RAISENULL( "Input is NULL" );
|
|
}
|
|
|
|
p_input_thread = p_mi->p_input_thread;
|
|
vlc_object_hold( p_input_thread );
|
|
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
|
|
return p_input_thread;
|
|
}
|
|
|
|
/*
|
|
* input_state_changed (Private) (vlc_InputStateChanged callback)
|
|
*/
|
|
static void
|
|
input_state_changed( const vlc_event_t * event, void * p_userdata )
|
|
{
|
|
libvlc_media_player_t * p_mi = p_userdata;
|
|
libvlc_event_t forwarded_event;
|
|
libvlc_event_type_t type = event->u.input_state_changed.new_state;
|
|
|
|
switch ( type )
|
|
{
|
|
case INIT_S:
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
|
|
forwarded_event.type = libvlc_MediaPlayerNothingSpecial;
|
|
break;
|
|
case OPENING_S:
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_Opening, NULL);
|
|
forwarded_event.type = libvlc_MediaPlayerOpening;
|
|
break;
|
|
case PLAYING_S:
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_Playing, NULL);
|
|
forwarded_event.type = libvlc_MediaPlayerPlaying;
|
|
break;
|
|
case PAUSE_S:
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_Paused, NULL);
|
|
forwarded_event.type = libvlc_MediaPlayerPaused;
|
|
break;
|
|
case END_S:
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_Ended, NULL);
|
|
forwarded_event.type = libvlc_MediaPlayerEndReached;
|
|
break;
|
|
case ERROR_S:
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_Error, NULL);
|
|
forwarded_event.type = libvlc_MediaPlayerEncounteredError;
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
|
|
libvlc_event_send( p_mi->p_event_manager, &forwarded_event );
|
|
return;
|
|
}
|
|
|
|
static int
|
|
input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
|
|
vlc_value_t oldval, vlc_value_t newval,
|
|
void * p_userdata )
|
|
{
|
|
VLC_UNUSED(oldval);
|
|
VLC_UNUSED(p_this);
|
|
VLC_UNUSED(psz_cmd);
|
|
libvlc_media_player_t * p_mi = p_userdata;
|
|
libvlc_event_t event;
|
|
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
|
|
event.type = libvlc_MediaPlayerSeekableChanged;
|
|
event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
|
|
|
|
libvlc_event_send( p_mi->p_event_manager, &event );
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static int
|
|
input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
|
|
vlc_value_t oldval, vlc_value_t newval,
|
|
void * p_userdata )
|
|
{
|
|
VLC_UNUSED(oldval);
|
|
VLC_UNUSED(p_this);
|
|
VLC_UNUSED(psz_cmd);
|
|
libvlc_media_player_t * p_mi = p_userdata;
|
|
libvlc_event_t event;
|
|
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
|
|
event.type = libvlc_MediaPlayerPausableChanged;
|
|
event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
|
|
|
|
libvlc_event_send( p_mi->p_event_manager, &event );
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static int
|
|
input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
|
|
vlc_value_t oldval, vlc_value_t newval,
|
|
void * p_userdata )
|
|
{
|
|
VLC_UNUSED(oldval);
|
|
input_thread_t * p_input = (input_thread_t *)p_this;
|
|
libvlc_media_player_t * p_mi = p_userdata;
|
|
libvlc_event_t event;
|
|
|
|
if( newval.i_int != INPUT_EVENT_TIMES )
|
|
return VLC_EGENERIC;
|
|
|
|
assert( !strcmp(psz_cmd, "intf-event" ) );
|
|
|
|
if( var_GetInteger( p_input, "state" ) != PLAYING_S )
|
|
return VLC_SUCCESS; /* Don't send the position while stopped */
|
|
|
|
/* */
|
|
event.type = libvlc_MediaPlayerPositionChanged;
|
|
event.u.media_player_position_changed.new_position = var_GetFloat( p_input, "position" );;
|
|
libvlc_event_send( p_mi->p_event_manager, &event );
|
|
|
|
/* */
|
|
event.type = libvlc_MediaPlayerTimeChanged;
|
|
event.u.media_player_time_changed.new_time = var_GetTime( p_input, "time" );
|
|
libvlc_event_send( p_mi->p_event_manager, &event );
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* Create a Media Instance object
|
|
**************************************************************************/
|
|
libvlc_media_player_t *
|
|
libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance,
|
|
libvlc_exception_t * p_e )
|
|
{
|
|
libvlc_media_player_t * p_mi;
|
|
|
|
if( !p_libvlc_instance )
|
|
{
|
|
libvlc_exception_raise( p_e, "invalid libvlc instance" );
|
|
return NULL;
|
|
}
|
|
|
|
p_mi = malloc( sizeof(libvlc_media_player_t) );
|
|
if( !p_mi )
|
|
{
|
|
libvlc_exception_raise( p_e, "Not enough memory" );
|
|
return NULL;
|
|
}
|
|
p_mi->p_md = NULL;
|
|
p_mi->drawable = 0;
|
|
p_mi->p_libvlc_instance = p_libvlc_instance;
|
|
p_mi->p_input_thread = NULL;
|
|
/* refcount strategy:
|
|
* - All items created by _new start with a refcount set to 1
|
|
* - Accessor _release decrease the refcount by 1, if after that
|
|
* operation the refcount is 0, the object is destroyed.
|
|
* - Accessor _retain increase the refcount by 1 (XXX: to implement) */
|
|
p_mi->i_refcount = 1;
|
|
p_mi->b_own_its_input_thread = true;
|
|
/* object_lock strategy:
|
|
* - No lock held in constructor
|
|
* - Lock when accessing all variable this lock is held
|
|
* - Lock when attempting to destroy the object the lock is also held */
|
|
vlc_mutex_init( &p_mi->object_lock );
|
|
p_mi->p_event_manager = libvlc_event_manager_new( p_mi,
|
|
p_libvlc_instance, p_e );
|
|
if( libvlc_exception_raised( p_e ) )
|
|
{
|
|
free( p_mi );
|
|
return NULL;
|
|
}
|
|
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerNothingSpecial, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerOpening, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerBuffering, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerPlaying, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerPaused, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerStopped, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerForward, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerBackward, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerEndReached, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerEncounteredError, p_e );
|
|
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerPositionChanged, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerTimeChanged, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerTitleChanged, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerSeekableChanged, p_e );
|
|
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
|
|
libvlc_MediaPlayerPausableChanged, p_e );
|
|
|
|
return p_mi;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Create a Media Instance object with a media descriptor
|
|
**************************************************************************/
|
|
libvlc_media_player_t *
|
|
libvlc_media_player_new_from_media(
|
|
libvlc_media_t * p_md,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
libvlc_media_player_t * p_mi;
|
|
p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e );
|
|
|
|
if( !p_mi )
|
|
return NULL;
|
|
|
|
libvlc_media_retain( p_md );
|
|
p_mi->p_md = p_md;
|
|
|
|
return p_mi;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Create a new media instance object from an input_thread (Libvlc Internal)
|
|
**************************************************************************/
|
|
libvlc_media_player_t * libvlc_media_player_new_from_input_thread(
|
|
struct libvlc_instance_t *p_libvlc_instance,
|
|
input_thread_t *p_input,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
libvlc_media_player_t * p_mi;
|
|
|
|
if( !p_input )
|
|
{
|
|
libvlc_exception_raise( p_e, "invalid input thread" );
|
|
return NULL;
|
|
}
|
|
|
|
p_mi = libvlc_media_player_new( p_libvlc_instance, p_e );
|
|
|
|
if( !p_mi )
|
|
return NULL;
|
|
|
|
p_mi->p_md = libvlc_media_new_from_input_item(
|
|
p_libvlc_instance,
|
|
input_GetItem( p_input ), p_e );
|
|
|
|
if( !p_mi->p_md )
|
|
{
|
|
libvlc_media_player_destroy( p_mi );
|
|
return NULL;
|
|
}
|
|
|
|
/* will be released in media_player_release() */
|
|
vlc_object_hold( p_input );
|
|
|
|
p_mi->p_input_thread = p_input;
|
|
p_mi->b_own_its_input_thread = false;
|
|
|
|
return p_mi;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Destroy a Media Instance object (libvlc internal)
|
|
*
|
|
* Warning: No lock held here, but hey, this is internal.
|
|
**************************************************************************/
|
|
void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
libvlc_exception_t p_e;
|
|
|
|
libvlc_exception_init( &p_e );
|
|
|
|
if( !p_mi )
|
|
return;
|
|
|
|
p_input_thread = libvlc_get_input_thread( p_mi, &p_e );
|
|
|
|
if( libvlc_exception_raised( &p_e ) )
|
|
{
|
|
libvlc_event_manager_release( p_mi->p_event_manager );
|
|
libvlc_exception_clear( &p_e );
|
|
free( p_mi );
|
|
return; /* no need to worry about no input thread */
|
|
}
|
|
vlc_mutex_destroy( &p_mi->object_lock );
|
|
|
|
vlc_object_release( p_input_thread );
|
|
|
|
libvlc_media_release( p_mi->p_md );
|
|
|
|
free( p_mi );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Release a Media Instance object
|
|
**************************************************************************/
|
|
void libvlc_media_player_release( libvlc_media_player_t *p_mi )
|
|
{
|
|
if( !p_mi )
|
|
return;
|
|
|
|
vlc_mutex_lock( &p_mi->object_lock );
|
|
|
|
p_mi->i_refcount--;
|
|
|
|
if( p_mi->i_refcount > 0 )
|
|
{
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
return;
|
|
}
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
vlc_mutex_destroy( &p_mi->object_lock );
|
|
|
|
release_input_thread( p_mi );
|
|
|
|
libvlc_event_manager_release( p_mi->p_event_manager );
|
|
|
|
libvlc_media_release( p_mi->p_md );
|
|
|
|
free( p_mi );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Retain a Media Instance object
|
|
**************************************************************************/
|
|
void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
|
|
{
|
|
if( !p_mi )
|
|
return;
|
|
|
|
p_mi->i_refcount++;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Set the Media descriptor associated with the instance
|
|
**************************************************************************/
|
|
void libvlc_media_player_set_media(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_media_t *p_md,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
VLC_UNUSED(p_e);
|
|
|
|
if( !p_mi )
|
|
return;
|
|
|
|
vlc_mutex_lock( &p_mi->object_lock );
|
|
|
|
release_input_thread( p_mi );
|
|
|
|
if( p_mi->p_md )
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, p_e );
|
|
|
|
libvlc_media_release( p_mi->p_md );
|
|
|
|
if( !p_md )
|
|
{
|
|
p_mi->p_md = NULL;
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
return; /* It is ok to pass a NULL md */
|
|
}
|
|
|
|
libvlc_media_retain( p_md );
|
|
p_mi->p_md = p_md;
|
|
|
|
/* The policy here is to ignore that we were created using a different
|
|
* libvlc_instance, because we don't really care */
|
|
p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
|
|
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Get the Media descriptor associated with the instance
|
|
**************************************************************************/
|
|
libvlc_media_t *
|
|
libvlc_media_player_get_media(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
VLC_UNUSED(p_e);
|
|
|
|
if( !p_mi->p_md )
|
|
return NULL;
|
|
|
|
libvlc_media_retain( p_mi->p_md );
|
|
return p_mi->p_md;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Get the event Manager
|
|
**************************************************************************/
|
|
libvlc_event_manager_t *
|
|
libvlc_media_player_event_manager(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
VLC_UNUSED(p_e);
|
|
|
|
return p_mi->p_event_manager;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Play
|
|
**************************************************************************/
|
|
void libvlc_media_player_play( libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t * p_input_thread;
|
|
|
|
if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) )
|
|
{
|
|
/* A thread already exists, send it a play message */
|
|
input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
|
|
vlc_object_release( p_input_thread );
|
|
return;
|
|
}
|
|
|
|
/* Ignore previous exception */
|
|
libvlc_exception_clear( p_e );
|
|
|
|
vlc_mutex_lock( &p_mi->object_lock );
|
|
|
|
if( !p_mi->p_md )
|
|
{
|
|
libvlc_exception_raise( p_e, "no associated media descriptor" );
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
return;
|
|
}
|
|
|
|
p_mi->p_input_thread = input_CreateThread( p_mi->p_libvlc_instance->p_libvlc_int,
|
|
p_mi->p_md->p_input_item );
|
|
|
|
|
|
if( !p_mi->p_input_thread )
|
|
{
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
return;
|
|
}
|
|
|
|
p_input_thread = p_mi->p_input_thread;
|
|
|
|
if( p_mi->drawable )
|
|
{
|
|
vlc_value_t val;
|
|
val.i_int = p_mi->drawable;
|
|
var_Create( p_input_thread, "drawable", VLC_VAR_DOINHERIT );
|
|
var_Set( p_input_thread, "drawable", val );
|
|
}
|
|
|
|
vlc_event_manager_t * p_em = input_GetEventManager( p_input_thread );
|
|
vlc_event_attach( p_em, vlc_InputStateChanged, input_state_changed, p_mi );
|
|
|
|
var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
|
|
var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
|
|
var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
|
|
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Pause
|
|
**************************************************************************/
|
|
void libvlc_media_player_pause( libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
|
|
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
|
|
|
|
if( state == libvlc_Playing )
|
|
{
|
|
if( libvlc_media_player_can_pause( p_mi, p_e ) )
|
|
input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
|
|
else
|
|
libvlc_media_player_stop( p_mi, p_e );
|
|
}
|
|
else
|
|
input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
|
|
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Stop
|
|
**************************************************************************/
|
|
void libvlc_media_player_stop( libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
|
|
|
|
if( state == libvlc_Playing || state == libvlc_Paused )
|
|
{
|
|
/* Send a stop notification event only of we are in playing or paused states */
|
|
libvlc_media_set_state( p_mi->p_md, libvlc_Ended, p_e );
|
|
|
|
/* Construct and send the event */
|
|
libvlc_event_t event;
|
|
event.type = libvlc_MediaPlayerEndReached;
|
|
libvlc_event_send( p_mi->p_event_manager, &event );
|
|
}
|
|
|
|
if( p_mi->b_own_its_input_thread )
|
|
{
|
|
vlc_mutex_lock( &p_mi->object_lock );
|
|
release_input_thread( p_mi ); /* This will stop the input thread */
|
|
vlc_mutex_unlock( &p_mi->object_lock );
|
|
}
|
|
else
|
|
{
|
|
input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
|
|
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
input_StopThread( p_input_thread );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Set Drawable
|
|
**************************************************************************/
|
|
void libvlc_media_player_set_drawable( libvlc_media_player_t *p_mi,
|
|
libvlc_drawable_t drawable,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vout_thread_t *p_vout = NULL;
|
|
|
|
p_mi->drawable = drawable;
|
|
|
|
/* Allow on the fly drawable changing. This is tricky has this may
|
|
* not be supported by every vout. We though can't disable it
|
|
* because of some creepy drawable type that are not flexible enough
|
|
* (Win32 HWND for instance) */
|
|
p_input_thread = libvlc_get_input_thread( p_mi, p_e );
|
|
if( !p_input_thread ) {
|
|
/* No input, nothing more to do, we are fine */
|
|
libvlc_exception_clear( p_e );
|
|
return;
|
|
}
|
|
|
|
p_vout = vlc_object_find( p_input_thread, VLC_OBJECT_VOUT, FIND_CHILD );
|
|
if( p_vout )
|
|
{
|
|
vout_Control( p_vout , VOUT_REPARENT, drawable);
|
|
vlc_object_release( p_vout );
|
|
}
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Get Drawable
|
|
**************************************************************************/
|
|
libvlc_drawable_t
|
|
libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e )
|
|
{
|
|
VLC_UNUSED(p_e);
|
|
return p_mi->drawable;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Getters for stream information
|
|
**************************************************************************/
|
|
libvlc_time_t libvlc_media_player_get_length(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
var_Get( p_input_thread, "length", &val );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return (val.i_time+500LL)/1000LL;
|
|
}
|
|
|
|
libvlc_time_t libvlc_media_player_get_time(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
var_Get( p_input_thread , "time", &val );
|
|
vlc_object_release( p_input_thread );
|
|
return (val.i_time+500LL)/1000LL;
|
|
}
|
|
|
|
void libvlc_media_player_set_time(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_time_t time,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t value;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
value.i_time = time*1000LL;
|
|
var_Set( p_input_thread, "time", value );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
void libvlc_media_player_set_position(
|
|
libvlc_media_player_t *p_mi,
|
|
float position,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
val.f_float = position;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
var_Set( p_input_thread, "position", val );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
float libvlc_media_player_get_position(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return -1.0;
|
|
|
|
var_Get( p_input_thread, "position", &val );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return val.f_float;
|
|
}
|
|
|
|
void libvlc_media_player_set_chapter(
|
|
libvlc_media_player_t *p_mi,
|
|
int chapter,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
val.i_int = chapter;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
var_Set( p_input_thread, "chapter", val );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
int libvlc_media_player_get_chapter(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
var_Get( p_input_thread, "chapter", &val );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return val.i_int;
|
|
}
|
|
|
|
int libvlc_media_player_get_chapter_count(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return val.i_int;
|
|
}
|
|
|
|
int libvlc_media_player_get_chapter_count_for_title(
|
|
libvlc_media_player_t *p_mi,
|
|
int i_title,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
char *psz_name;
|
|
if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
|
|
{
|
|
vlc_object_release( p_input_thread );
|
|
return -1;
|
|
}
|
|
var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
|
|
vlc_object_release( p_input_thread );
|
|
free( psz_name );
|
|
|
|
return val.i_int;
|
|
}
|
|
|
|
void libvlc_media_player_set_title(
|
|
libvlc_media_player_t *p_mi,
|
|
int i_title,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
val.i_int = i_title;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
var_Set( p_input_thread, "title", val );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
//send event
|
|
libvlc_event_t event;
|
|
event.type = libvlc_MediaPlayerTitleChanged;
|
|
event.u.media_player_title_changed.new_title = i_title;
|
|
libvlc_event_send( p_mi->p_event_manager, &event );
|
|
}
|
|
|
|
int libvlc_media_player_get_title(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
var_Get( p_input_thread, "title", &val );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return val.i_int;
|
|
}
|
|
|
|
int libvlc_media_player_get_title_count(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return val.i_int;
|
|
}
|
|
|
|
void libvlc_media_player_next_chapter(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
int i_type = var_Type( p_input_thread, "next-chapter" );
|
|
vlc_value_t val;
|
|
val.b_bool = true;
|
|
var_Set( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
|
|
"next-chapter":"next-title", val );
|
|
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
void libvlc_media_player_previous_chapter(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
int i_type = var_Type( p_input_thread, "next-chapter" );
|
|
vlc_value_t val;
|
|
val.b_bool = true;
|
|
var_Set( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
|
|
"prev-chapter":"prev-title", val );
|
|
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
float libvlc_media_player_get_fps(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e)
|
|
{
|
|
input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
double f_fps = 0.0;
|
|
|
|
if( p_input_thread )
|
|
{
|
|
if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
|
|
f_fps = 0.0;
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
return f_fps;
|
|
}
|
|
|
|
int libvlc_media_player_will_play( libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e)
|
|
{
|
|
input_thread_t *p_input_thread =
|
|
libvlc_get_input_thread ( p_mi, p_e);
|
|
if ( !p_input_thread )
|
|
return false;
|
|
|
|
if ( !p_input_thread->b_die && !p_input_thread->b_dead )
|
|
{
|
|
vlc_object_release( p_input_thread );
|
|
return true;
|
|
}
|
|
vlc_object_release( p_input_thread );
|
|
return false;
|
|
}
|
|
|
|
void libvlc_media_player_set_rate(
|
|
libvlc_media_player_t *p_mi,
|
|
float rate,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
bool b_can_rewind;
|
|
|
|
if( rate != 0 )
|
|
RAISEVOID( "Rate value is invalid" );
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
|
|
if( (rate < 0) && !b_can_rewind )
|
|
{
|
|
vlc_object_release( p_input_thread );
|
|
libvlc_exception_raise( p_e, "Rate value is invalid" );
|
|
return;
|
|
}
|
|
|
|
val.i_int = 1000.0f/rate;
|
|
var_Set( p_input_thread, "rate", val );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
float libvlc_media_player_get_rate(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
bool b_can_rewind;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if( !p_input_thread )
|
|
return 0.0; /* rate < 0 indicates rewind */
|
|
|
|
var_Get( p_input_thread, "rate", &val );
|
|
b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
|
|
if( (val.i_int < 0) && !b_can_rewind )
|
|
{
|
|
libvlc_exception_raise( p_e, "invalid rate" );
|
|
return 0.0;
|
|
}
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return (float)1000.0f/val.i_int;
|
|
}
|
|
|
|
libvlc_state_t libvlc_media_player_get_state(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if ( !p_input_thread )
|
|
{
|
|
/* We do return the right value, no need to throw an exception */
|
|
if( libvlc_exception_raised( p_e ) )
|
|
libvlc_exception_clear( p_e );
|
|
return libvlc_Ended;
|
|
}
|
|
|
|
var_Get( p_input_thread, "state", &val );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return vlc_to_libvlc_state(val.i_int);
|
|
}
|
|
|
|
int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if ( !p_input_thread )
|
|
{
|
|
/* We do return the right value, no need to throw an exception */
|
|
if( libvlc_exception_raised( p_e ) )
|
|
libvlc_exception_clear( p_e );
|
|
return false;
|
|
}
|
|
var_Get( p_input_thread, "can-seek", &val );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return val.b_bool;
|
|
}
|
|
|
|
/* internal function, used by audio, video */
|
|
libvlc_track_description_t *
|
|
libvlc_get_track_description( libvlc_media_player_t *p_mi,
|
|
const char *psz_variable,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_e );
|
|
|
|
if( !p_input )
|
|
return NULL;
|
|
|
|
vlc_value_t val_list, text_list;
|
|
var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
|
|
|
|
if( val_list.p_list->i_count <= 0 ) /* no tracks */
|
|
return NULL;
|
|
|
|
libvlc_track_description_t *p_track_description, *p_actual, *p_previous;
|
|
p_track_description = ( libvlc_track_description_t * )
|
|
malloc( sizeof( libvlc_track_description_t ) );
|
|
if ( !p_track_description )
|
|
{
|
|
var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
|
|
vlc_object_release( p_input );
|
|
libvlc_exception_raise( p_e, "no enough memory" );
|
|
return NULL;
|
|
}
|
|
p_actual = p_track_description;
|
|
p_previous = NULL;
|
|
for( int i = 0; i < val_list.p_list->i_count; i++ )
|
|
{
|
|
if( !p_actual )
|
|
{
|
|
p_actual = ( libvlc_track_description_t * )
|
|
malloc( sizeof( libvlc_track_description_t ) );
|
|
if ( !p_actual )
|
|
{
|
|
libvlc_track_description_release( p_track_description );
|
|
var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
|
|
vlc_object_release( p_input );
|
|
libvlc_exception_raise( p_e, "no enough memory" );
|
|
return NULL;
|
|
}
|
|
}
|
|
p_actual->i_id = val_list.p_list->p_values[i].i_int;
|
|
p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
|
|
p_actual->p_next = NULL;
|
|
if( p_previous )
|
|
p_previous->p_next = p_actual;
|
|
p_previous = p_actual;
|
|
p_actual = NULL;
|
|
}
|
|
var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
|
|
vlc_object_release( p_input );
|
|
|
|
return p_track_description;
|
|
}
|
|
|
|
void libvlc_track_description_release( libvlc_track_description_t *p_track_description )
|
|
{
|
|
libvlc_track_description_t *p_actual, *p_before;
|
|
p_actual = p_track_description;
|
|
|
|
while ( p_actual )
|
|
{
|
|
free( p_actual->psz_name );
|
|
p_before = p_actual;
|
|
p_actual = p_before->p_next;
|
|
free( p_before );
|
|
}
|
|
}
|
|
|
|
int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi,
|
|
libvlc_exception_t *p_e )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
|
|
if ( !p_input_thread )
|
|
{
|
|
/* We do return the right value, no need to throw an exception */
|
|
if( libvlc_exception_raised( p_e ) )
|
|
libvlc_exception_clear( p_e );
|
|
return false;
|
|
}
|
|
var_Get( p_input_thread, "can-pause", &val );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return val.b_bool;
|
|
}
|