/*****************************************************************************
* engine.c : Run the playlist and handle its control
*****************************************************************************
- * Copyright (C) 1999-2008 the VideoLAN team
+ * Copyright (C) 1999-2008 VLC authors and VideoLAN
*
* Authors: Samuel Hocevar <sam@zoy.org>
* 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
#include <vlc_interface.h>
#include "playlist_internal.h"
#include "stream_output/stream_output.h" /* sout_DeleteInstance */
+#include <math.h> /* for fabs() */
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void VariablesInit( playlist_t *p_playlist );
-static void playlist_Destructor( vlc_object_t * p_this );
static int RandomCallback( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *a )
return VLC_SUCCESS;
}
+static int RateCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p )
+{
+ (void)psz_cmd; (void)oldval;(void)p;
+ playlist_t *p_playlist = (playlist_t*)p_this;
+
+ PL_LOCK;
+
+ if( pl_priv(p_playlist)->p_input == NULL )
+ {
+ PL_UNLOCK;
+ return VLC_SUCCESS;
+ }
+
+ var_SetFloat( pl_priv( p_playlist )->p_input, "rate", newval.f_float );
+ PL_UNLOCK;
+ return VLC_SUCCESS;
+}
+
+static int RateOffsetCallback( vlc_object_t *obj, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ playlist_t *p_playlist = (playlist_t *)obj;
+ VLC_UNUSED(oldval); VLC_UNUSED(p_data); VLC_UNUSED(newval);
+
+ static const float pf_rate[] = {
+ 1.0/64, 1.0/32, 1.0/16, 1.0/8, 1.0/4, 1.0/3, 1.0/2, 2.0/3,
+ 1.0/1,
+ 3.0/2, 2.0/1, 3.0/1, 4.0/1, 8.0/1, 16.0/1, 32.0/1, 64.0/1,
+ };
+ const size_t i_rate_count = sizeof(pf_rate)/sizeof(*pf_rate);
+
+ float f_rate;
+ struct input_thread_t *input;
+
+ PL_LOCK;
+ input = pl_priv( p_playlist )->p_input;
+ f_rate = var_GetFloat( input ? (vlc_object_t *)input : obj, "rate" );
+ PL_UNLOCK;
+
+ if( !strcmp( psz_cmd, "rate-faster" ) )
+ {
+ /* compensate for input rounding errors */
+ float r = f_rate * 1.1;
+ for( size_t i = 0; i < i_rate_count; i++ )
+ if( r < pf_rate[i] )
+ {
+ f_rate = pf_rate[i];
+ break;
+ }
+ }
+ else
+ {
+ /* compensate for input rounding errors */
+ float r = f_rate * .9;
+ for( size_t i = 1; i < i_rate_count; i++ )
+ if( r <= pf_rate[i] )
+ {
+ f_rate = pf_rate[i - 1];
+ break;
+ }
+ }
+
+ var_SetFloat( p_playlist, "rate", f_rate );
+ return VLC_SUCCESS;
+}
+
+static int VideoSplitterCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ playlist_t *p_playlist = (playlist_t*)p_this;
+ VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data); VLC_UNUSED(newval);
+
+ PL_LOCK;
+
+ /* Force the input to restart the video ES to force a vout recreation */
+ input_thread_t *p_input = pl_priv( p_playlist )->p_input;
+ if( p_input )
+ {
+ const double f_position = var_GetFloat( p_input, "position" );
+ input_Control( p_input, INPUT_RESTART_ES, -VIDEO_ES );
+ var_SetFloat( p_input, "position", f_position );
+ }
+
+ PL_UNLOCK;
+ return VLC_SUCCESS;
+}
+
/**
* Create playlist
*
*/
playlist_t * playlist_Create( vlc_object_t *p_parent )
{
- static const char playlist_name[] = "playlist";
playlist_t *p_playlist;
playlist_private_t *p;
/* Allocate structure */
- p = vlc_custom_create( p_parent, sizeof( *p ),
- VLC_OBJECT_GENERIC, playlist_name );
+ p = vlc_custom_create( p_parent, sizeof( *p ), "playlist" );
if( !p )
return NULL;
pl_priv(p_playlist)->b_reset_currently_playing = true;
pl_priv(p_playlist)->last_rebuild_date = 0;
- pl_priv(p_playlist)->b_tree = var_CreateGetBool( p_playlist, "playlist-tree" );
+ pl_priv(p_playlist)->b_tree = var_InheritBool( p_parent, "playlist-tree" );
pl_priv(p_playlist)->b_doing_ml = false;
- const bool b_auto_preparse = var_CreateGetBool( p_playlist, "auto-preparse" );
- pl_priv(p_playlist)->b_auto_preparse = b_auto_preparse;
+ pl_priv(p_playlist)->b_auto_preparse =
+ var_InheritBool( p_parent, "auto-preparse" );
- PL_LOCK; /* playlist_NodeCreate will check for it */
- p_playlist->p_root_category = playlist_NodeCreate( p_playlist, NULL, NULL,
- 0, NULL );
- p_playlist->p_root_onelevel = playlist_NodeCreate( p_playlist, NULL, NULL,
- 0, p_playlist->p_root_category->p_input );
+ /* Fetcher */
+ p->p_fetcher = playlist_fetcher_New( p_playlist );
+ if( unlikely(p->p_fetcher == NULL) )
+ {
+ msg_Err( p_playlist, "cannot create fetcher" );
+ p->p_preparser = NULL;
+ }
+ else
+ { /* Preparse */
+ p->p_preparser = playlist_preparser_New( p_playlist, p->p_fetcher );
+ if( unlikely(p->p_preparser == NULL) )
+ msg_Err( p_playlist, "cannot create preparser" );
+ }
+
+ /* Create the root node */
+ PL_LOCK;
+ p_playlist->p_root = playlist_NodeCreate( p_playlist, NULL, NULL,
+ PLAYLIST_END, 0, NULL );
PL_UNLOCK;
+ if( !p_playlist->p_root ) return NULL;
- if( !p_playlist->p_root_category || !p_playlist->p_root_onelevel )
- return NULL;
+ /* Create currently playing items node */
+ PL_LOCK;
+ p_playlist->p_playing = playlist_NodeCreate(
+ p_playlist, _( "Playlist" ), p_playlist->p_root,
+ PLAYLIST_END, PLAYLIST_RO_FLAG, NULL );
- /* Create playlist and media library */
- PL_LOCK; /* playlist_NodesPairCreate will check for it */
- playlist_NodesPairCreate( p_playlist, _( "Playlist" ),
- &p_playlist->p_local_category,
- &p_playlist->p_local_onelevel, false );
PL_UNLOCK;
- p_playlist->p_local_category->i_flags |= PLAYLIST_RO_FLAG;
- p_playlist->p_local_onelevel->i_flags |= PLAYLIST_RO_FLAG;
+ if( !p_playlist->p_playing ) return NULL;
- if( !p_playlist->p_local_category || !p_playlist->p_local_onelevel ||
- !p_playlist->p_local_category->p_input ||
- !p_playlist->p_local_onelevel->p_input )
- return NULL;
-
- if( config_GetInt( p_playlist, "media-library") )
+ /* Create media library node */
+ const bool b_ml = var_InheritBool( p_parent, "media-library");
+ if( b_ml )
{
- PL_LOCK; /* playlist_NodesPairCreate will check for it */
- playlist_NodesPairCreate( p_playlist, _( "Media Library" ),
- &p_playlist->p_ml_category,
- &p_playlist->p_ml_onelevel, false );
+ PL_LOCK;
+ p_playlist->p_media_library = playlist_NodeCreate(
+ p_playlist, _( "Media Library" ), p_playlist->p_root,
+ PLAYLIST_END, PLAYLIST_RO_FLAG, NULL );
PL_UNLOCK;
- if(!p_playlist->p_ml_category || !p_playlist->p_ml_onelevel)
- return NULL;
-
- p_playlist->p_ml_category->i_flags |= PLAYLIST_RO_FLAG;
- p_playlist->p_ml_onelevel->i_flags |= PLAYLIST_RO_FLAG;
+ if(!p_playlist->p_media_library ) return NULL;
}
else
{
- p_playlist->p_ml_category = p_playlist->p_ml_onelevel = NULL;
+ p_playlist->p_media_library = NULL;
}
+ p_playlist->p_root_category = p_playlist->p_root;
+ p_playlist->p_root_onelevel = p_playlist->p_root;
+ p_playlist->p_local_category = p_playlist->p_playing;
+ p_playlist->p_local_onelevel = p_playlist->p_playing;
+ p_playlist->p_ml_category = p_playlist->p_media_library;
+ p_playlist->p_ml_onelevel = p_playlist->p_media_library;;
+
/* Initial status */
pl_priv(p_playlist)->status.p_item = NULL;
- pl_priv(p_playlist)->status.p_node = p_playlist->p_local_onelevel;
+ pl_priv(p_playlist)->status.p_node = p_playlist->p_playing;
pl_priv(p_playlist)->request.b_request = false;
pl_priv(p_playlist)->status.i_status = PLAYLIST_STOPPED;
- pl_priv(p_playlist)->b_auto_preparse = false;
- playlist_MLLoad( p_playlist );
- pl_priv(p_playlist)->b_auto_preparse = b_auto_preparse;
-
- vlc_object_set_destructor( p_playlist, playlist_Destructor );
+ if(b_ml)
+ {
+ const bool b_auto_preparse = pl_priv(p_playlist)->b_auto_preparse;
+ pl_priv(p_playlist)->b_auto_preparse = false;
+ playlist_MLLoad( p_playlist );
+ pl_priv(p_playlist)->b_auto_preparse = b_auto_preparse;
+ }
return p_playlist;
}
/**
- * Destroy playlist
+ * Destroy playlist.
+ * This is not thread-safe. Any reference to the playlist is assumed gone.
+ * (In particular, all interface and services threads must have been joined).
*
- * Destroy a playlist structure.
* \param p_playlist the playlist object
- * \return nothing
*/
-
-static void playlist_Destructor( vlc_object_t * p_this )
+void playlist_Destroy( playlist_t *p_playlist )
{
- playlist_t *p_playlist = (playlist_t *)p_this;
playlist_private_t *p_sys = pl_priv(p_playlist);
+ msg_Dbg( p_playlist, "destroying" );
+ if( p_sys->p_preparser )
+ playlist_preparser_Delete( p_sys->p_preparser );
+ if( p_sys->p_fetcher )
+ playlist_fetcher_Delete( p_sys->p_fetcher );
+
+ /* Already cleared when deactivating (if activated anyway) */
assert( !p_sys->p_input );
assert( !p_sys->p_input_resource );
- assert( !p_sys->p_preparser );
- assert( !p_sys->p_fetcher );
vlc_cond_destroy( &p_sys->signal );
vlc_mutex_destroy( &p_sys->lock );
ARRAY_RESET( p_playlist->items );
ARRAY_RESET( p_playlist->current );
- msg_Dbg( p_this, "Destroyed" );
+ vlc_object_release( p_playlist );
}
/** Get current playing input.
pl_priv(p_playlist)->status.p_node = p_node;
}
+static input_thread_t *playlist_FindInput( vlc_object_t *object )
+{
+ assert( object == VLC_OBJECT(pl_Get(object)) );
+ return playlist_CurrentInput( (playlist_t *)object );
+}
+
static void VariablesInit( playlist_t *p_playlist )
{
/* These variables control updates */
var_SetBool( p_playlist, "intf-change", true );
var_Create( p_playlist, "item-change", VLC_VAR_ADDRESS );
+ var_Create( p_playlist, "leaf-to-parent", VLC_VAR_INTEGER );
var_Create( p_playlist, "playlist-item-deleted", VLC_VAR_INTEGER );
var_SetInteger( p_playlist, "playlist-item-deleted", -1 );
var_Create( p_playlist, "playlist-item-append", VLC_VAR_ADDRESS );
var_Create( p_playlist, "item-current", VLC_VAR_ADDRESS );
+ var_Create( p_playlist, "input-current", VLC_VAR_ADDRESS );
var_Create( p_playlist, "activity", VLC_VAR_INTEGER );
var_SetInteger( p_playlist, "activity", 0 );
/* Variables to control playback */
+ var_Create( p_playlist, "playlist-autostart", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "play-and-stop", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "play-and-exit", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "random", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "repeat", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "loop", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ var_Create( p_playlist, "rate", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
+ var_Create( p_playlist, "rate-slower", VLC_VAR_VOID );
+ var_Create( p_playlist, "rate-faster", VLC_VAR_VOID );
+ var_AddCallback( p_playlist, "rate", RateCallback, NULL );
+ var_AddCallback( p_playlist, "rate-slower", RateOffsetCallback, NULL );
+ var_AddCallback( p_playlist, "rate-faster", RateOffsetCallback, NULL );
+
+ var_Create( p_playlist, "video-splitter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+ var_AddCallback( p_playlist, "video-splitter", VideoSplitterCallback, NULL );
+
var_AddCallback( p_playlist, "random", RandomCallback, NULL );
/* */
var_Create( p_playlist, "album-art", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+
+ /* Variables to preserve video output parameters */
+ var_Create( p_playlist, "fullscreen", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ var_Create( p_playlist, "video-on-top", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+
+ /* Audio output parameters */
+ var_Create( p_playlist, "mute", VLC_VAR_BOOL );
+ var_Create( p_playlist, "volume", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
+ /* FIXME: horrible hack for audio output interface code */
+ var_Create( p_playlist, "find-input-callback", VLC_VAR_ADDRESS );
+ var_SetAddress( p_playlist, "find-input-callback", playlist_FindInput );
}
playlist_item_t * playlist_CurrentPlayingItem( playlist_t * p_playlist )