mirror of
https://code.videolan.org/videolan/vlc
synced 2024-10-11 06:21:30 +02:00
1640 lines
52 KiB
C
1640 lines
52 KiB
C
/*****************************************************************************
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* media_player.c: Libvlc API Media Instance management functions
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*****************************************************************************
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* Copyright (C) 2005-2011 VLC authors and VideoLAN
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*
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* Authors: Clément Stenac <zorglub@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <assert.h>
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#include <vlc/libvlc.h>
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#include <vlc/libvlc_media.h>
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#include <vlc/libvlc_events.h>
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#include <vlc_demux.h>
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#include <vlc_input.h>
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#include <vlc_vout.h>
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#include <vlc_aout.h>
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#include <vlc_keys.h>
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#include "libvlc_internal.h"
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#include "media_internal.h" // libvlc_media_set_state()
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#include "media_player_internal.h"
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static int
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input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata );
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static int
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input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata );
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static int
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input_scrambled_changed( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata );
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static int
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input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata );
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static int
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input_es_changed( vlc_object_t * p_this, char const * psz_cmd,
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int action, vlc_value_t *p_val,
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void *p_userdata);
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static int
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input_es_selected( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata );
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static void
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add_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi );
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static void
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del_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi );
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static int
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snapshot_was_taken( vlc_object_t *p_this, char const *psz_cmd,
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vlc_value_t oldval, vlc_value_t newval, void *p_data );
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static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi );
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/*
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* Shortcuts
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*/
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#define register_event(a, b) __register_event(a, libvlc_MediaPlayer ## b)
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static inline void __register_event(libvlc_media_player_t *mp, libvlc_event_type_t type)
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{
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libvlc_event_manager_register_event_type(mp->p_event_manager, type);
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}
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/*
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* The input lock protects the input and input resource pointer.
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* It MUST NOT be used from callbacks.
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*
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* The object lock protects the reset, namely the media and the player state.
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* It can, and usually needs to be taken from callbacks.
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* The object lock can be acquired under the input lock... and consequently
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* the opposite order is STRICTLY PROHIBITED.
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*/
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static inline void lock(libvlc_media_player_t *mp)
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{
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vlc_mutex_lock(&mp->object_lock);
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}
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static inline void unlock(libvlc_media_player_t *mp)
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{
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vlc_mutex_unlock(&mp->object_lock);
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}
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static inline void lock_input(libvlc_media_player_t *mp)
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{
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vlc_mutex_lock(&mp->input.lock);
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}
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static inline void unlock_input(libvlc_media_player_t *mp)
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{
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vlc_mutex_unlock(&mp->input.lock);
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}
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/*
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* Release the associated input thread.
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*
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* Object lock is NOT held.
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* Input lock is held or instance is being destroyed.
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*/
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static void release_input_thread( libvlc_media_player_t *p_mi )
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{
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assert( p_mi );
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input_thread_t *p_input_thread = p_mi->input.p_thread;
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if( !p_input_thread )
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return;
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p_mi->input.p_thread = NULL;
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var_DelCallback( p_input_thread, "can-seek",
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input_seekable_changed, p_mi );
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var_DelCallback( p_input_thread, "can-pause",
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input_pausable_changed, p_mi );
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var_DelCallback( p_input_thread, "program-scrambled",
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input_scrambled_changed, p_mi );
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var_DelCallback( p_input_thread, "intf-event",
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input_event_changed, p_mi );
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del_es_callbacks( p_input_thread, p_mi );
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/* We owned this one */
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input_Stop( p_input_thread );
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input_Close( p_input_thread );
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}
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/*
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* Retrieve the input thread. Be sure to release the object
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* once you are done with it. (libvlc Internal)
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*/
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input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi )
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{
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input_thread_t *p_input_thread;
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assert( p_mi );
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lock_input(p_mi);
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p_input_thread = p_mi->input.p_thread;
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if( p_input_thread )
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vlc_object_hold( p_input_thread );
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else
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libvlc_printerr( "No active input" );
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unlock_input(p_mi);
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return p_input_thread;
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}
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/*
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* Set the internal state of the media_player. (media player Internal)
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*
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* Function will lock the media_player.
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*/
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static void set_state( libvlc_media_player_t *p_mi, libvlc_state_t state,
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bool b_locked )
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{
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if(!b_locked)
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lock(p_mi);
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p_mi->state = state;
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libvlc_media_t *media = p_mi->p_md;
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if (media)
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libvlc_media_retain(media);
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if(!b_locked)
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unlock(p_mi);
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if (media)
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{
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// Also set the state of the corresponding media
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// This is strictly for convenience.
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libvlc_media_set_state(media, state);
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libvlc_media_release(media);
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}
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}
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static int
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input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata )
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{
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VLC_UNUSED(oldval);
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VLC_UNUSED(p_this);
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VLC_UNUSED(psz_cmd);
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libvlc_media_player_t * p_mi = p_userdata;
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libvlc_event_t event;
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event.type = libvlc_MediaPlayerSeekableChanged;
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event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
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libvlc_event_send( p_mi->p_event_manager, &event );
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return VLC_SUCCESS;
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}
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static int
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input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata )
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{
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VLC_UNUSED(oldval);
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VLC_UNUSED(p_this);
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VLC_UNUSED(psz_cmd);
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libvlc_media_player_t * p_mi = p_userdata;
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libvlc_event_t event;
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event.type = libvlc_MediaPlayerPausableChanged;
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event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
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libvlc_event_send( p_mi->p_event_manager, &event );
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return VLC_SUCCESS;
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}
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static int
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input_scrambled_changed( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata )
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{
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VLC_UNUSED(oldval);
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VLC_UNUSED(p_this);
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VLC_UNUSED(psz_cmd);
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libvlc_media_player_t * p_mi = p_userdata;
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libvlc_event_t event;
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event.type = libvlc_MediaPlayerScrambledChanged;
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event.u.media_player_scrambled_changed.new_scrambled = newval.b_bool;
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libvlc_event_send( p_mi->p_event_manager, &event );
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return VLC_SUCCESS;
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}
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static int
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input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata )
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{
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VLC_UNUSED(oldval);
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input_thread_t * p_input = (input_thread_t *)p_this;
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libvlc_media_player_t * p_mi = p_userdata;
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libvlc_event_t event;
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assert( !strcmp( psz_cmd, "intf-event" ) );
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if( newval.i_int == INPUT_EVENT_STATE )
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{
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libvlc_state_t libvlc_state;
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switch ( var_GetInteger( p_input, "state" ) )
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{
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case INIT_S:
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libvlc_state = libvlc_NothingSpecial;
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event.type = libvlc_MediaPlayerNothingSpecial;
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break;
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case OPENING_S:
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libvlc_state = libvlc_Opening;
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event.type = libvlc_MediaPlayerOpening;
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break;
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case PLAYING_S:
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libvlc_state = libvlc_Playing;
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event.type = libvlc_MediaPlayerPlaying;
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break;
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case PAUSE_S:
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libvlc_state = libvlc_Paused;
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event.type = libvlc_MediaPlayerPaused;
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break;
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case END_S:
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libvlc_state = libvlc_Ended;
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event.type = libvlc_MediaPlayerEndReached;
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break;
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case ERROR_S:
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libvlc_state = libvlc_Error;
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event.type = libvlc_MediaPlayerEncounteredError;
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break;
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default:
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return VLC_SUCCESS;
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}
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set_state( p_mi, libvlc_state, false );
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libvlc_event_send( p_mi->p_event_manager, &event );
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}
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else if( newval.i_int == INPUT_EVENT_DEAD )
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{
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libvlc_state_t libvlc_state = libvlc_Ended;
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event.type = libvlc_MediaPlayerStopped;
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set_state( p_mi, libvlc_state, false );
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libvlc_event_send( p_mi->p_event_manager, &event );
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}
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else if( newval.i_int == INPUT_EVENT_POSITION )
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{
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if( var_GetInteger( p_input, "state" ) != PLAYING_S )
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return VLC_SUCCESS; /* Don't send the position while stopped */
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/* */
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event.type = libvlc_MediaPlayerPositionChanged;
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event.u.media_player_position_changed.new_position =
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var_GetFloat( p_input, "position" );
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libvlc_event_send( p_mi->p_event_manager, &event );
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/* */
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event.type = libvlc_MediaPlayerTimeChanged;
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event.u.media_player_time_changed.new_time =
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from_mtime(var_GetTime( p_input, "time" ));
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libvlc_event_send( p_mi->p_event_manager, &event );
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}
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else if( newval.i_int == INPUT_EVENT_LENGTH )
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{
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event.type = libvlc_MediaPlayerLengthChanged;
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event.u.media_player_length_changed.new_length =
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from_mtime(var_GetTime( p_input, "length" ));
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libvlc_event_send( p_mi->p_event_manager, &event );
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}
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else if( newval.i_int == INPUT_EVENT_CACHE )
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{
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event.type = libvlc_MediaPlayerBuffering;
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event.u.media_player_buffering.new_cache = (int)(100 *
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var_GetFloat( p_input, "cache" ));
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libvlc_event_send( p_mi->p_event_manager, &event );
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}
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else if( newval.i_int == INPUT_EVENT_VOUT )
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{
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vout_thread_t **pp_vout;
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size_t i_vout;
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if( input_Control( p_input, INPUT_GET_VOUTS, &pp_vout, &i_vout ) )
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{
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i_vout = 0;
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}
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else
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{
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for( size_t i = 0; i < i_vout; i++ )
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vlc_object_release( pp_vout[i] );
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free( pp_vout );
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}
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event.type = libvlc_MediaPlayerVout;
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event.u.media_player_vout.new_count = i_vout;
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libvlc_event_send( p_mi->p_event_manager, &event );
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}
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return VLC_SUCCESS;
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}
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static int track_type_from_name(const char *psz_name)
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{
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if( !strcmp( psz_name, "video-es" ) )
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return libvlc_track_video;
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else if( !strcmp( psz_name, "audio-es" ) )
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return libvlc_track_audio;
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else if( !strcmp( psz_name, "spu-es" ) )
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return libvlc_track_text;
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else
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return libvlc_track_unknown;
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}
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static int input_es_changed( vlc_object_t *p_this,
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char const *psz_cmd,
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int action,
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vlc_value_t *p_val,
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void *p_userdata )
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{
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VLC_UNUSED(p_this);
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libvlc_media_player_t *mp = p_userdata;
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libvlc_event_t event;
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/* Ignore the "Disable" element */
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if (p_val && p_val->i_int < 0)
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return VLC_EGENERIC;
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switch (action)
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{
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case VLC_VAR_ADDCHOICE:
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event.type = libvlc_MediaPlayerESAdded;
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break;
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case VLC_VAR_DELCHOICE:
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case VLC_VAR_CLEARCHOICES:
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event.type = libvlc_MediaPlayerESDeleted;
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break;
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default:
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return VLC_EGENERIC;
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}
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event.u.media_player_es_changed.i_type = track_type_from_name(psz_cmd);
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int i_id;
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if (action != VLC_VAR_CLEARCHOICES)
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{
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if (!p_val)
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return VLC_EGENERIC;
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i_id = p_val->i_int;
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}
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else
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{
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/* -1 means all ES tracks of this type were deleted. */
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i_id = -1;
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}
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event.u.media_player_es_changed.i_id = i_id;
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libvlc_event_send(mp->p_event_manager, &event);
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return VLC_SUCCESS;
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}
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static int
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input_es_selected( vlc_object_t * p_this, char const * psz_cmd,
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vlc_value_t oldval, vlc_value_t newval,
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void * p_userdata )
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{
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VLC_UNUSED(p_this);
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VLC_UNUSED(oldval);
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libvlc_media_player_t *mp = p_userdata;
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libvlc_event_t event;
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event.type = libvlc_MediaPlayerESSelected;
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event.u.media_player_es_changed.i_type = track_type_from_name(psz_cmd);
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event.u.media_player_es_changed.i_id = newval.i_int;
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libvlc_event_send(mp->p_event_manager, &event);
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return VLC_SUCCESS;
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}
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/**************************************************************************
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* Snapshot Taken Event.
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*
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* FIXME: This snapshot API interface makes no sense in media_player.
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*************************************************************************/
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static int snapshot_was_taken(vlc_object_t *p_this, char const *psz_cmd,
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vlc_value_t oldval, vlc_value_t newval, void *p_data )
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{
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VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
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libvlc_media_player_t *mp = p_data;
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libvlc_event_t event;
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event.type = libvlc_MediaPlayerSnapshotTaken;
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event.u.media_player_snapshot_taken.psz_filename = newval.psz_string;
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libvlc_event_send(mp->p_event_manager, &event);
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return VLC_SUCCESS;
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}
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/**************************************************************************
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* Create a Media Instance object.
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*
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* Refcount strategy:
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* - All items created by _new start with a refcount set to 1.
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* - Accessor _release decrease the refcount by 1, if after that
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* operation the refcount is 0, the object is destroyed.
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* - Accessor _retain increase the refcount by 1 (XXX: to implement)
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*
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* Object locking strategy:
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* - No lock held while in constructor.
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* - When accessing any member variable this lock is held. (XXX who locks?)
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* - When attempting to destroy the object the lock is also held.
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**************************************************************************/
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libvlc_media_player_t *
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libvlc_media_player_new( libvlc_instance_t *instance )
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{
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libvlc_media_player_t * mp;
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|
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assert(instance);
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mp = vlc_object_create (instance->p_libvlc_int, sizeof(*mp));
|
|
if (unlikely(mp == NULL))
|
|
{
|
|
libvlc_printerr("Not enough memory");
|
|
return NULL;
|
|
}
|
|
|
|
/* Input */
|
|
var_Create (mp, "rate", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT);
|
|
|
|
/* Video */
|
|
var_Create (mp, "vout", VLC_VAR_STRING|VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "window", VLC_VAR_STRING);
|
|
var_Create (mp, "vmem-lock", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "vmem-unlock", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "vmem-display", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "vmem-data", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "vmem-setup", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "vmem-cleanup", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "vmem-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "vmem-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "vmem-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "vmem-pitch", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "avcodec-hw", VLC_VAR_STRING);
|
|
var_Create (mp, "drawable-xid", VLC_VAR_INTEGER);
|
|
#if defined (_WIN32) || defined (__OS2__)
|
|
var_Create (mp, "drawable-hwnd", VLC_VAR_INTEGER);
|
|
#endif
|
|
#ifdef __APPLE__
|
|
var_Create (mp, "drawable-agl", VLC_VAR_INTEGER);
|
|
var_Create (mp, "drawable-nsobject", VLC_VAR_ADDRESS);
|
|
#endif
|
|
|
|
var_Create (mp, "keyboard-events", VLC_VAR_BOOL);
|
|
var_SetBool (mp, "keyboard-events", true);
|
|
var_Create (mp, "mouse-events", VLC_VAR_BOOL);
|
|
var_SetBool (mp, "mouse-events", true);
|
|
|
|
var_Create (mp, "fullscreen", VLC_VAR_BOOL);
|
|
var_Create (mp, "autoscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "zoom", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "aspect-ratio", VLC_VAR_STRING);
|
|
var_Create (mp, "crop", VLC_VAR_STRING);
|
|
var_Create (mp, "deinterlace", VLC_VAR_INTEGER);
|
|
var_Create (mp, "deinterlace-mode", VLC_VAR_STRING);
|
|
|
|
var_Create (mp, "vbi-page", VLC_VAR_INTEGER);
|
|
var_SetInteger (mp, "vbi-page", 100);
|
|
|
|
var_Create (mp, "marq-marquee", VLC_VAR_STRING);
|
|
var_Create (mp, "marq-color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "marq-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "marq-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "marq-refresh", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "marq-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "marq-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "marq-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
|
|
var_Create (mp, "logo-file", VLC_VAR_STRING);
|
|
var_Create (mp, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "logo-delay", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "logo-repeat", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "logo-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
|
|
var_Create (mp, "contrast", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "brightness", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "hue", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "saturation", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "gamma", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
|
|
|
|
/* Audio */
|
|
var_Create (mp, "aout", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "mute", VLC_VAR_BOOL);
|
|
var_Create (mp, "volume", VLC_VAR_FLOAT);
|
|
var_Create (mp, "corks", VLC_VAR_INTEGER);
|
|
var_Create (mp, "audio-filter", VLC_VAR_STRING);
|
|
var_Create (mp, "amem-data", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-setup", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-cleanup", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-play", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-pause", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-resume", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-flush", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-drain", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-set-volume", VLC_VAR_ADDRESS);
|
|
var_Create (mp, "amem-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "amem-rate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
var_Create (mp, "amem-channels", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
|
|
|
|
/* Video Title */
|
|
var_Create (mp, "video-title-show", VLC_VAR_BOOL);
|
|
var_Create (mp, "video-title-position", VLC_VAR_INTEGER);
|
|
var_Create (mp, "video-title-timeout", VLC_VAR_INTEGER);
|
|
|
|
/* Equalizer */
|
|
var_Create (mp, "equalizer-preamp", VLC_VAR_FLOAT);
|
|
var_Create (mp, "equalizer-vlcfreqs", VLC_VAR_BOOL);
|
|
var_Create (mp, "equalizer-bands", VLC_VAR_STRING);
|
|
|
|
mp->p_md = NULL;
|
|
mp->state = libvlc_NothingSpecial;
|
|
mp->p_libvlc_instance = instance;
|
|
mp->input.p_thread = NULL;
|
|
mp->input.p_resource = input_resource_New(VLC_OBJECT(mp));
|
|
if (unlikely(mp->input.p_resource == NULL))
|
|
{
|
|
vlc_object_release(mp);
|
|
return NULL;
|
|
}
|
|
audio_output_t *aout = input_resource_GetAout(mp->input.p_resource);
|
|
if( aout != NULL )
|
|
input_resource_PutAout(mp->input.p_resource, aout);
|
|
|
|
vlc_mutex_init (&mp->input.lock);
|
|
mp->i_refcount = 1;
|
|
mp->p_event_manager = libvlc_event_manager_new(mp, instance);
|
|
if (unlikely(mp->p_event_manager == NULL))
|
|
{
|
|
input_resource_Release(mp->input.p_resource);
|
|
vlc_object_release(mp);
|
|
return NULL;
|
|
}
|
|
vlc_mutex_init(&mp->object_lock);
|
|
|
|
register_event(mp, NothingSpecial);
|
|
register_event(mp, Opening);
|
|
register_event(mp, Buffering);
|
|
register_event(mp, Playing);
|
|
register_event(mp, Paused);
|
|
register_event(mp, Stopped);
|
|
register_event(mp, Forward);
|
|
register_event(mp, Backward);
|
|
register_event(mp, EndReached);
|
|
register_event(mp, EncounteredError);
|
|
register_event(mp, SeekableChanged);
|
|
|
|
register_event(mp, PositionChanged);
|
|
register_event(mp, TimeChanged);
|
|
register_event(mp, LengthChanged);
|
|
register_event(mp, TitleChanged);
|
|
register_event(mp, PausableChanged);
|
|
|
|
register_event(mp, Vout);
|
|
register_event(mp, ScrambledChanged);
|
|
register_event(mp, ESAdded);
|
|
register_event(mp, ESDeleted);
|
|
register_event(mp, ESSelected);
|
|
|
|
/* Snapshot initialization */
|
|
register_event(mp, SnapshotTaken);
|
|
|
|
register_event(mp, MediaChanged);
|
|
|
|
/* Attach a var callback to the global object to provide the glue between
|
|
* vout_thread that generates the event and media_player that re-emits it
|
|
* with its own event manager
|
|
*
|
|
* FIXME: It's unclear why we want to put this in public API, and why we
|
|
* want to expose it in such a limiting and ugly way.
|
|
*/
|
|
var_AddCallback(mp->p_libvlc, "snapshot-file", snapshot_was_taken, mp);
|
|
|
|
libvlc_retain(instance);
|
|
return mp;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* 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_media_player_t * p_mi;
|
|
|
|
p_mi = libvlc_media_player_new( p_md->p_libvlc_instance );
|
|
if( !p_mi )
|
|
return NULL;
|
|
|
|
libvlc_media_retain( p_md );
|
|
p_mi->p_md = p_md;
|
|
|
|
return p_mi;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Destroy a Media Instance object (libvlc internal)
|
|
*
|
|
* Warning: No lock held here, but hey, this is internal. Caller must lock.
|
|
**************************************************************************/
|
|
static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
|
|
{
|
|
assert( p_mi );
|
|
|
|
/* Detach Callback from the main libvlc object */
|
|
var_DelCallback( p_mi->p_libvlc,
|
|
"snapshot-file", snapshot_was_taken, p_mi );
|
|
|
|
/* No need for lock_input() because no other threads knows us anymore */
|
|
if( p_mi->input.p_thread )
|
|
release_input_thread(p_mi);
|
|
input_resource_Terminate( p_mi->input.p_resource );
|
|
input_resource_Release( p_mi->input.p_resource );
|
|
vlc_mutex_destroy( &p_mi->input.lock );
|
|
|
|
libvlc_event_manager_release( p_mi->p_event_manager );
|
|
libvlc_media_release( p_mi->p_md );
|
|
vlc_mutex_destroy( &p_mi->object_lock );
|
|
|
|
libvlc_instance_t *instance = p_mi->p_libvlc_instance;
|
|
vlc_object_release( p_mi );
|
|
libvlc_release(instance);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Release a Media Instance object.
|
|
*
|
|
* Function does the locking.
|
|
**************************************************************************/
|
|
void libvlc_media_player_release( libvlc_media_player_t *p_mi )
|
|
{
|
|
bool destroy;
|
|
|
|
assert( p_mi );
|
|
lock(p_mi);
|
|
destroy = !--p_mi->i_refcount;
|
|
unlock(p_mi);
|
|
|
|
if( destroy )
|
|
libvlc_media_player_destroy( p_mi );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Retain a Media Instance object.
|
|
*
|
|
* Caller must hold the lock.
|
|
**************************************************************************/
|
|
void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
|
|
{
|
|
assert( p_mi );
|
|
|
|
lock(p_mi);
|
|
p_mi->i_refcount++;
|
|
unlock(p_mi);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Set the Media descriptor associated with the instance.
|
|
*
|
|
* Enter without lock -- function will lock the object.
|
|
**************************************************************************/
|
|
void libvlc_media_player_set_media(
|
|
libvlc_media_player_t *p_mi,
|
|
libvlc_media_t *p_md )
|
|
{
|
|
lock_input(p_mi);
|
|
|
|
release_input_thread( p_mi );
|
|
|
|
lock( p_mi );
|
|
set_state( p_mi, libvlc_NothingSpecial, true );
|
|
unlock_input( p_mi );
|
|
|
|
libvlc_media_release( p_mi->p_md );
|
|
|
|
if( !p_md )
|
|
{
|
|
p_mi->p_md = NULL;
|
|
unlock(p_mi);
|
|
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;
|
|
|
|
unlock(p_mi);
|
|
|
|
/* Send an event for the newly available media */
|
|
libvlc_event_t event;
|
|
event.type = libvlc_MediaPlayerMediaChanged;
|
|
event.u.media_player_media_changed.new_media = p_md;
|
|
libvlc_event_send( p_mi->p_event_manager, &event );
|
|
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Get the Media descriptor associated with the instance.
|
|
**************************************************************************/
|
|
libvlc_media_t *
|
|
libvlc_media_player_get_media( libvlc_media_player_t *p_mi )
|
|
{
|
|
libvlc_media_t *p_m;
|
|
|
|
lock( p_mi );
|
|
p_m = p_mi->p_md;
|
|
if( p_m )
|
|
libvlc_media_retain( p_m );
|
|
unlock( p_mi );
|
|
|
|
return p_m;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Get the event Manager.
|
|
**************************************************************************/
|
|
libvlc_event_manager_t *
|
|
libvlc_media_player_event_manager( libvlc_media_player_t *p_mi )
|
|
{
|
|
return p_mi->p_event_manager;
|
|
}
|
|
|
|
static void add_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi )
|
|
{
|
|
var_AddListCallback( p_input_thread, "video-es", input_es_changed, p_mi );
|
|
var_AddListCallback( p_input_thread, "audio-es", input_es_changed, p_mi );
|
|
var_AddListCallback( p_input_thread, "spu-es", input_es_changed, p_mi );
|
|
var_AddCallback( p_input_thread, "video-es", input_es_selected, p_mi );
|
|
var_AddCallback( p_input_thread, "audio-es", input_es_selected, p_mi );
|
|
var_AddCallback( p_input_thread, "spu-es", input_es_selected, p_mi );
|
|
}
|
|
|
|
static void del_es_callbacks( input_thread_t *p_input_thread, libvlc_media_player_t *p_mi )
|
|
{
|
|
var_DelListCallback( p_input_thread, "video-es", input_es_changed, p_mi );
|
|
var_DelListCallback( p_input_thread, "audio-es", input_es_changed, p_mi );
|
|
var_DelListCallback( p_input_thread, "spu-es", input_es_changed, p_mi );
|
|
var_DelCallback( p_input_thread, "video-es", input_es_selected, p_mi );
|
|
var_DelCallback( p_input_thread, "audio-es", input_es_selected, p_mi );
|
|
var_DelCallback( p_input_thread, "spu-es", input_es_selected, p_mi );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Tell media player to start playing.
|
|
**************************************************************************/
|
|
int libvlc_media_player_play( libvlc_media_player_t *p_mi )
|
|
{
|
|
lock_input( p_mi );
|
|
|
|
input_thread_t *p_input_thread = p_mi->input.p_thread;
|
|
if( p_input_thread )
|
|
{
|
|
/* A thread already exists, send it a play message */
|
|
input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
|
|
unlock_input( p_mi );
|
|
return 0;
|
|
}
|
|
|
|
/* Ignore previous exception */
|
|
lock(p_mi);
|
|
|
|
if( !p_mi->p_md )
|
|
{
|
|
unlock(p_mi);
|
|
unlock_input( p_mi );
|
|
libvlc_printerr( "No associated media descriptor" );
|
|
return -1;
|
|
}
|
|
|
|
p_input_thread = input_Create( p_mi, p_mi->p_md->p_input_item, NULL,
|
|
p_mi->input.p_resource );
|
|
unlock(p_mi);
|
|
if( !p_input_thread )
|
|
{
|
|
unlock_input(p_mi);
|
|
libvlc_printerr( "Not enough memory" );
|
|
return -1;
|
|
}
|
|
|
|
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, "program-scrambled", input_scrambled_changed, p_mi );
|
|
var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
|
|
add_es_callbacks( p_input_thread, p_mi );
|
|
|
|
if( input_Start( p_input_thread ) )
|
|
{
|
|
unlock_input(p_mi);
|
|
del_es_callbacks( p_input_thread, p_mi );
|
|
var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
|
|
var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
|
|
var_DelCallback( p_input_thread, "program-scrambled", input_scrambled_changed, p_mi );
|
|
var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
|
|
vlc_object_release( p_input_thread );
|
|
libvlc_printerr( "Input initialization failure" );
|
|
return -1;
|
|
}
|
|
p_mi->input.p_thread = p_input_thread;
|
|
unlock_input(p_mi);
|
|
return 0;
|
|
}
|
|
|
|
void libvlc_media_player_set_pause( libvlc_media_player_t *p_mi, int paused )
|
|
{
|
|
input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi );
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
libvlc_state_t state = libvlc_media_player_get_state( p_mi );
|
|
if( state == libvlc_Playing || state == libvlc_Buffering )
|
|
{
|
|
if( paused )
|
|
{
|
|
if( libvlc_media_player_can_pause( p_mi ) )
|
|
input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
|
|
else
|
|
input_Stop( p_input_thread );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( !paused )
|
|
input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
|
|
}
|
|
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Toggle pause.
|
|
**************************************************************************/
|
|
void libvlc_media_player_pause( libvlc_media_player_t *p_mi )
|
|
{
|
|
libvlc_state_t state = libvlc_media_player_get_state( p_mi );
|
|
bool playing = (state == libvlc_Playing || state == libvlc_Buffering);
|
|
|
|
libvlc_media_player_set_pause( p_mi, playing );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Tells whether the media player is currently playing.
|
|
*
|
|
* Enter with lock held.
|
|
**************************************************************************/
|
|
int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
|
|
{
|
|
libvlc_state_t state = libvlc_media_player_get_state( p_mi );
|
|
return (libvlc_Playing == state) || (libvlc_Buffering == state);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Stop playing.
|
|
**************************************************************************/
|
|
void libvlc_media_player_stop( libvlc_media_player_t *p_mi )
|
|
{
|
|
lock_input(p_mi);
|
|
release_input_thread( p_mi ); /* This will stop the input thread */
|
|
|
|
/* Force to go to stopped state, in case we were in Ended, or Error
|
|
* state. */
|
|
if( p_mi->state != libvlc_Stopped )
|
|
{
|
|
set_state( p_mi, libvlc_Stopped, false );
|
|
|
|
/* Construct and send the event */
|
|
libvlc_event_t event;
|
|
event.type = libvlc_MediaPlayerStopped;
|
|
libvlc_event_send( p_mi->p_event_manager, &event );
|
|
}
|
|
|
|
input_resource_Terminate( p_mi->input.p_resource );
|
|
unlock_input(p_mi);
|
|
}
|
|
|
|
|
|
void libvlc_video_set_callbacks( libvlc_media_player_t *mp,
|
|
void *(*lock_cb) (void *, void **),
|
|
void (*unlock_cb) (void *, void *, void *const *),
|
|
void (*display_cb) (void *, void *),
|
|
void *opaque )
|
|
{
|
|
var_SetAddress( mp, "vmem-lock", lock_cb );
|
|
var_SetAddress( mp, "vmem-unlock", unlock_cb );
|
|
var_SetAddress( mp, "vmem-display", display_cb );
|
|
var_SetAddress( mp, "vmem-data", opaque );
|
|
var_SetString( mp, "vout", "vmem" );
|
|
var_SetString( mp, "avcodec-hw", "none" );
|
|
}
|
|
|
|
void libvlc_video_set_format_callbacks( libvlc_media_player_t *mp,
|
|
libvlc_video_format_cb setup,
|
|
libvlc_video_cleanup_cb cleanup )
|
|
{
|
|
var_SetAddress( mp, "vmem-setup", setup );
|
|
var_SetAddress( mp, "vmem-cleanup", cleanup );
|
|
}
|
|
|
|
void libvlc_video_set_format( libvlc_media_player_t *mp, const char *chroma,
|
|
unsigned width, unsigned height, unsigned pitch )
|
|
{
|
|
var_SetString( mp, "vmem-chroma", chroma );
|
|
var_SetInteger( mp, "vmem-width", width );
|
|
var_SetInteger( mp, "vmem-height", height );
|
|
var_SetInteger( mp, "vmem-pitch", pitch );
|
|
}
|
|
|
|
/**************************************************************************
|
|
* set_nsobject
|
|
**************************************************************************/
|
|
void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
|
|
void * drawable )
|
|
{
|
|
assert (p_mi != NULL);
|
|
#ifdef __APPLE__
|
|
var_SetAddress (p_mi, "drawable-nsobject", drawable);
|
|
#else
|
|
(void) p_mi; (void)drawable;
|
|
#endif
|
|
}
|
|
|
|
/**************************************************************************
|
|
* get_nsobject
|
|
**************************************************************************/
|
|
void * libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
|
|
{
|
|
assert (p_mi != NULL);
|
|
#ifdef __APPLE__
|
|
return var_GetAddress (p_mi, "drawable-nsobject");
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
/**************************************************************************
|
|
* set_agl
|
|
**************************************************************************/
|
|
void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
|
|
uint32_t drawable )
|
|
{
|
|
#ifdef __APPLE__
|
|
var_SetInteger (p_mi, "drawable-agl", drawable);
|
|
#else
|
|
(void) p_mi; (void)drawable;
|
|
#endif
|
|
}
|
|
|
|
/**************************************************************************
|
|
* get_agl
|
|
**************************************************************************/
|
|
uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
|
|
{
|
|
assert (p_mi != NULL);
|
|
#ifdef __APPLE__
|
|
return var_GetInteger (p_mi, "drawable-agl");
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/**************************************************************************
|
|
* set_xwindow
|
|
**************************************************************************/
|
|
void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
|
|
uint32_t drawable )
|
|
{
|
|
assert (p_mi != NULL);
|
|
|
|
var_SetString (p_mi, "avcodec-hw", "");
|
|
var_SetString (p_mi, "vout", drawable ? "xid" : "any");
|
|
var_SetString (p_mi, "window", drawable ? "embed-xid,any" : "any");
|
|
var_SetInteger (p_mi, "drawable-xid", drawable);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* get_xwindow
|
|
**************************************************************************/
|
|
uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
|
|
{
|
|
return var_GetInteger (p_mi, "drawable-xid");
|
|
}
|
|
|
|
/**************************************************************************
|
|
* set_hwnd
|
|
**************************************************************************/
|
|
void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
|
|
void *drawable )
|
|
{
|
|
assert (p_mi != NULL);
|
|
#if defined (_WIN32) || defined (__OS2__)
|
|
var_SetString (p_mi, "window",
|
|
(drawable != NULL) ? "embed-hwnd,any" : "");
|
|
var_SetInteger (p_mi, "drawable-hwnd", (uintptr_t)drawable);
|
|
#else
|
|
(void) p_mi; (void) drawable;
|
|
#endif
|
|
}
|
|
|
|
/**************************************************************************
|
|
* get_hwnd
|
|
**************************************************************************/
|
|
void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
|
|
{
|
|
assert (p_mi != NULL);
|
|
#if defined (_WIN32) || defined (__OS2__)
|
|
return (void *)(uintptr_t)var_GetInteger (p_mi, "drawable-hwnd");
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
void libvlc_audio_set_callbacks( libvlc_media_player_t *mp,
|
|
libvlc_audio_play_cb play_cb,
|
|
libvlc_audio_pause_cb pause_cb,
|
|
libvlc_audio_resume_cb resume_cb,
|
|
libvlc_audio_flush_cb flush_cb,
|
|
libvlc_audio_drain_cb drain_cb,
|
|
void *opaque )
|
|
{
|
|
var_SetAddress( mp, "amem-play", play_cb );
|
|
var_SetAddress( mp, "amem-pause", pause_cb );
|
|
var_SetAddress( mp, "amem-resume", resume_cb );
|
|
var_SetAddress( mp, "amem-flush", flush_cb );
|
|
var_SetAddress( mp, "amem-drain", drain_cb );
|
|
var_SetAddress( mp, "amem-data", opaque );
|
|
var_SetString( mp, "aout", "amem,none" );
|
|
|
|
input_resource_ResetAout(mp->input.p_resource);
|
|
}
|
|
|
|
void libvlc_audio_set_volume_callback( libvlc_media_player_t *mp,
|
|
libvlc_audio_set_volume_cb cb )
|
|
{
|
|
var_SetAddress( mp, "amem-set-volume", cb );
|
|
|
|
input_resource_ResetAout(mp->input.p_resource);
|
|
}
|
|
|
|
void libvlc_audio_set_format_callbacks( libvlc_media_player_t *mp,
|
|
libvlc_audio_setup_cb setup,
|
|
libvlc_audio_cleanup_cb cleanup )
|
|
{
|
|
var_SetAddress( mp, "amem-setup", setup );
|
|
var_SetAddress( mp, "amem-cleanup", cleanup );
|
|
|
|
input_resource_ResetAout(mp->input.p_resource);
|
|
}
|
|
|
|
void libvlc_audio_set_format( libvlc_media_player_t *mp, const char *format,
|
|
unsigned rate, unsigned channels )
|
|
{
|
|
var_SetString( mp, "amem-format", format );
|
|
var_SetInteger( mp, "amem-rate", rate );
|
|
var_SetInteger( mp, "amem-channels", channels );
|
|
|
|
input_resource_ResetAout(mp->input.p_resource);
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* Getters for stream information
|
|
**************************************************************************/
|
|
libvlc_time_t libvlc_media_player_get_length(
|
|
libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
libvlc_time_t i_time;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
i_time = from_mtime(var_GetTime( p_input_thread, "length" ));
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return i_time;
|
|
}
|
|
|
|
libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
libvlc_time_t i_time;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
i_time = from_mtime(var_GetTime( p_input_thread , "time" ));
|
|
vlc_object_release( p_input_thread );
|
|
return i_time;
|
|
}
|
|
|
|
void libvlc_media_player_set_time( libvlc_media_player_t *p_mi,
|
|
libvlc_time_t i_time )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
var_SetTime( p_input_thread, "time", to_mtime(i_time) );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
void libvlc_media_player_set_position( libvlc_media_player_t *p_mi,
|
|
float position )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
var_SetFloat( p_input_thread, "position", position );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
float libvlc_media_player_get_position( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
float f_position;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return -1.0;
|
|
|
|
f_position = var_GetFloat( p_input_thread, "position" );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return f_position;
|
|
}
|
|
|
|
void libvlc_media_player_set_chapter( libvlc_media_player_t *p_mi,
|
|
int chapter )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
var_SetInteger( p_input_thread, "chapter", chapter );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
int libvlc_media_player_get_chapter( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
int i_chapter;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
i_chapter = var_GetInteger( p_input_thread, "chapter" );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return i_chapter;
|
|
}
|
|
|
|
int libvlc_media_player_get_chapter_count( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
int i_ret = var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return i_ret == VLC_SUCCESS ? val.i_int : -1;
|
|
}
|
|
|
|
int libvlc_media_player_get_chapter_count_for_title(
|
|
libvlc_media_player_t *p_mi,
|
|
int i_title )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
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;
|
|
}
|
|
int i_ret = var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
|
|
vlc_object_release( p_input_thread );
|
|
free( psz_name );
|
|
|
|
return i_ret == VLC_SUCCESS ? val.i_int : -1;
|
|
}
|
|
|
|
void libvlc_media_player_set_title( libvlc_media_player_t *p_mi,
|
|
int i_title )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
var_SetInteger( p_input_thread, "title", i_title );
|
|
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 )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
int i_title;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
i_title = var_GetInteger( p_input_thread, "title" );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return i_title;
|
|
}
|
|
|
|
int libvlc_media_player_get_title_count( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
vlc_value_t val;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return -1;
|
|
|
|
int i_ret = var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return i_ret == VLC_SUCCESS ? val.i_int : -1;
|
|
}
|
|
|
|
void libvlc_media_player_next_chapter( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
int i_type = var_Type( p_input_thread, "next-chapter" );
|
|
var_TriggerCallback( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
|
|
"next-chapter":"next-title" );
|
|
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
void libvlc_media_player_previous_chapter( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return;
|
|
|
|
int i_type = var_Type( p_input_thread, "next-chapter" );
|
|
var_TriggerCallback( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
|
|
"prev-chapter":"prev-title" );
|
|
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
|
|
float libvlc_media_player_get_fps( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
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 )
|
|
{
|
|
bool b_will_play;
|
|
input_thread_t *p_input_thread =
|
|
libvlc_get_input_thread ( p_mi );
|
|
if ( !p_input_thread )
|
|
return false;
|
|
|
|
b_will_play = !p_input_thread->b_dead;
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return b_will_play;
|
|
}
|
|
|
|
int libvlc_media_player_set_rate( libvlc_media_player_t *p_mi, float rate )
|
|
{
|
|
var_SetFloat (p_mi, "rate", rate);
|
|
|
|
input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( !p_input_thread )
|
|
return 0;
|
|
var_SetFloat( p_input_thread, "rate", rate );
|
|
vlc_object_release( p_input_thread );
|
|
return 0;
|
|
}
|
|
|
|
float libvlc_media_player_get_rate( libvlc_media_player_t *p_mi )
|
|
{
|
|
return var_GetFloat (p_mi, "rate");
|
|
}
|
|
|
|
libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *p_mi )
|
|
{
|
|
lock(p_mi);
|
|
libvlc_state_t state = p_mi->state;
|
|
unlock(p_mi);
|
|
return state;
|
|
}
|
|
|
|
int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
bool b_seekable;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if ( !p_input_thread )
|
|
return false;
|
|
b_seekable = var_GetBool( p_input_thread, "can-seek" );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return b_seekable;
|
|
}
|
|
|
|
void libvlc_media_player_navigate( libvlc_media_player_t* p_mi,
|
|
unsigned navigate )
|
|
{
|
|
static const vlc_action_t map[] =
|
|
{
|
|
INPUT_NAV_ACTIVATE, INPUT_NAV_UP, INPUT_NAV_DOWN,
|
|
INPUT_NAV_LEFT, INPUT_NAV_RIGHT,
|
|
};
|
|
|
|
if( navigate >= sizeof(map) / sizeof(map[0]) )
|
|
return;
|
|
|
|
input_thread_t *p_input = libvlc_get_input_thread ( p_mi );
|
|
if ( p_input == NULL )
|
|
return;
|
|
|
|
input_Control( p_input, map[navigate], NULL );
|
|
vlc_object_release( p_input );
|
|
}
|
|
|
|
/* internal function, used by audio, video */
|
|
libvlc_track_description_t *
|
|
libvlc_get_track_description( libvlc_media_player_t *p_mi,
|
|
const char *psz_variable )
|
|
{
|
|
input_thread_t *p_input = libvlc_get_input_thread( p_mi );
|
|
libvlc_track_description_t *p_track_description = NULL,
|
|
*p_actual, *p_previous;
|
|
|
|
if( !p_input )
|
|
return NULL;
|
|
|
|
vlc_value_t val_list, text_list;
|
|
int i_ret = var_Change( p_input, psz_variable, VLC_VAR_GETCHOICES, &val_list, &text_list );
|
|
if( i_ret != VLC_SUCCESS )
|
|
return NULL;
|
|
|
|
/* no tracks */
|
|
if( val_list.p_list->i_count <= 0 )
|
|
goto end;
|
|
|
|
p_track_description = ( libvlc_track_description_t * )
|
|
malloc( sizeof( libvlc_track_description_t ) );
|
|
if ( !p_track_description )
|
|
{
|
|
libvlc_printerr( "Not enough memory" );
|
|
goto end;
|
|
}
|
|
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_list_release( p_track_description );
|
|
libvlc_printerr( "Not enough memory" );
|
|
goto end;
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
|
|
end:
|
|
var_FreeList( &val_list, &text_list );
|
|
vlc_object_release( p_input );
|
|
|
|
return p_track_description;
|
|
}
|
|
|
|
// Deprecated alias for libvlc_track_description_list_release
|
|
void libvlc_track_description_release( libvlc_track_description_t *p_td )
|
|
{
|
|
libvlc_track_description_list_release( p_td );
|
|
}
|
|
|
|
void libvlc_track_description_list_release( libvlc_track_description_t *p_td )
|
|
{
|
|
libvlc_track_description_t *p_actual, *p_before;
|
|
p_actual = p_td;
|
|
|
|
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 )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
bool b_can_pause;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if ( !p_input_thread )
|
|
return false;
|
|
b_can_pause = var_GetBool( p_input_thread, "can-pause" );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return b_can_pause;
|
|
}
|
|
|
|
int libvlc_media_player_program_scrambled( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread;
|
|
bool b_program_scrambled;
|
|
|
|
p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if ( !p_input_thread )
|
|
return false;
|
|
b_program_scrambled = var_GetBool( p_input_thread, "program-scrambled" );
|
|
vlc_object_release( p_input_thread );
|
|
|
|
return b_program_scrambled;
|
|
}
|
|
|
|
void libvlc_media_player_next_frame( libvlc_media_player_t *p_mi )
|
|
{
|
|
input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
|
|
if( p_input_thread != NULL )
|
|
{
|
|
var_TriggerCallback( p_input_thread, "frame-next" );
|
|
vlc_object_release( p_input_thread );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Private lookup table to get subpicture alignment flag values corresponding
|
|
* to a libvlc_position_t enumerated value.
|
|
*/
|
|
static const unsigned char position_subpicture_alignment[] = {
|
|
[libvlc_position_center] = 0,
|
|
[libvlc_position_left] = SUBPICTURE_ALIGN_LEFT,
|
|
[libvlc_position_right] = SUBPICTURE_ALIGN_RIGHT,
|
|
[libvlc_position_top] = SUBPICTURE_ALIGN_TOP,
|
|
[libvlc_position_top_left] = SUBPICTURE_ALIGN_TOP | SUBPICTURE_ALIGN_LEFT,
|
|
[libvlc_position_top_right] = SUBPICTURE_ALIGN_TOP | SUBPICTURE_ALIGN_RIGHT,
|
|
[libvlc_position_bottom] = SUBPICTURE_ALIGN_BOTTOM,
|
|
[libvlc_position_bottom_left] = SUBPICTURE_ALIGN_BOTTOM | SUBPICTURE_ALIGN_LEFT,
|
|
[libvlc_position_bottom_right] = SUBPICTURE_ALIGN_BOTTOM | SUBPICTURE_ALIGN_RIGHT
|
|
};
|
|
|
|
void libvlc_media_player_set_video_title_display( libvlc_media_player_t *p_mi, libvlc_position_t position, unsigned timeout )
|
|
{
|
|
assert( position >= libvlc_position_disable && position <= libvlc_position_bottom_right );
|
|
|
|
if ( position != libvlc_position_disable )
|
|
{
|
|
var_SetBool( p_mi, "video-title-show", true );
|
|
var_SetInteger( p_mi, "video-title-position", position_subpicture_alignment[position] );
|
|
var_SetInteger( p_mi, "video-title-timeout", timeout );
|
|
}
|
|
else
|
|
{
|
|
var_SetBool( p_mi, "video-title-show", false );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Maximum size of a formatted equalizer amplification band frequency value.
|
|
*
|
|
* The allowed value range is supposed to be constrained from -20.0 to 20.0.
|
|
*
|
|
* The format string " %.07f" with a minimum value of "-20" gives a maximum
|
|
* string length of e.g. " -19.1234567", i.e. 12 bytes (not including the null
|
|
* terminator).
|
|
*/
|
|
#define EQZ_BAND_VALUE_SIZE 12
|
|
|
|
int libvlc_media_player_set_equalizer( libvlc_media_player_t *p_mi, libvlc_equalizer_t *p_equalizer )
|
|
{
|
|
char bands[EQZ_BANDS_MAX * EQZ_BAND_VALUE_SIZE + 1];
|
|
|
|
if( p_equalizer != NULL )
|
|
{
|
|
for( unsigned i = 0, c = 0; i < EQZ_BANDS_MAX; i++ )
|
|
{
|
|
c += snprintf( bands + c, sizeof(bands) - c, " %.07f",
|
|
p_equalizer->f_amp[i] );
|
|
if( unlikely(c >= sizeof(bands)) )
|
|
return -1;
|
|
}
|
|
|
|
var_SetFloat( p_mi, "equalizer-preamp", p_equalizer->f_preamp );
|
|
var_SetString( p_mi, "equalizer-bands", bands );
|
|
}
|
|
var_SetString( p_mi, "audio-filter", p_equalizer ? "equalizer" : "" );
|
|
|
|
audio_output_t *p_aout = input_resource_HoldAout( p_mi->input.p_resource );
|
|
if( p_aout != NULL )
|
|
{
|
|
if( p_equalizer != NULL )
|
|
{
|
|
var_SetFloat( p_aout, "equalizer-preamp", p_equalizer->f_preamp );
|
|
var_SetString( p_aout, "equalizer-bands", bands );
|
|
}
|
|
|
|
var_SetString( p_aout, "audio-filter", p_equalizer ? "equalizer" : "" );
|
|
vlc_object_release( p_aout );
|
|
}
|
|
|
|
return 0;
|
|
}
|