/*****************************************************************************
* 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 <stddef.h>
#include <assert.h>
+
#include <vlc_common.h>
#include <vlc_sout.h>
#include <vlc_playlist.h>
#include <vlc_interface.h>
#include "playlist_internal.h"
-#include "stream_output/stream_output.h" /* sout_DeleteInstance */
-#include <math.h> /* for fabs() */
+#include "input/resource.h"
/*****************************************************************************
* Local prototypes
{
(void)psz_cmd; (void)oldval; (void)newval; (void)a;
playlist_t *p_playlist = (playlist_t*)p_this;
+ bool random = newval.b_bool;
PL_LOCK;
- pl_priv(p_playlist)->b_reset_currently_playing = true;
- vlc_cond_signal( &pl_priv(p_playlist)->signal );
+ if( !random ) {
+ pl_priv(p_playlist)->b_reset_currently_playing = true;
+ vlc_cond_signal( &pl_priv(p_playlist)->signal );
+ } else {
+ /* Shuffle and sync the playlist on activation of random mode.
+ * This preserves the current playing item, so that the user
+ * can return to it if needed. (See #4472)
+ */
+ playlist_private_t *p_sys = pl_priv(p_playlist);
+ playlist_item_t *p_new = p_sys->status.p_item;
+ ResetCurrentlyPlaying( p_playlist, NULL );
+ if( p_new )
+ ResyncCurrentIndex( p_playlist, p_new );
+ }
PL_UNLOCK;
return VLC_SUCCESS;
}
+/**
+ * When there are one or more pending corks, playback should be paused.
+ * This is used for audio policy.
+ * \warning Always add and remove a cork with var_IncInteger() and var_DecInteger().
+ * var_Get() and var_Set() are prone to race conditions.
+ */
+static int CorksCallback( vlc_object_t *obj, char const *var,
+ vlc_value_t old, vlc_value_t cur, void *dummy )
+{
+ playlist_t *pl = (playlist_t *)obj;
+
+ msg_Dbg( obj, "corks count: %"PRId64" -> %"PRId64, old.i_int, cur.i_int );
+ if( !old.i_int == !cur.i_int )
+ return VLC_SUCCESS; /* nothing to do */
+
+ if( cur.i_int )
+ {
+ if( var_InheritBool( obj, "playlist-cork" ) )
+ {
+ msg_Dbg( obj, "corked" );
+ playlist_Pause( pl );
+ }
+ else
+ msg_Dbg( obj, "not corked" );
+ }
+ else
+ msg_Dbg( obj, "uncorked" );
+
+ (void) var; (void) dummy;
+ 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 )
{
return VLC_SUCCESS;
}
-static int RateOffsetCallback( vlc_object_t *p_this, char const *psz_cmd,
+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*)p_this;
+ playlist_t *p_playlist = (playlist_t *)obj;
VLC_UNUSED(oldval); VLC_UNUSED(p_data); VLC_UNUSED(newval);
static const float pf_rate[] = {
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 unsigned i_rate_count = sizeof(pf_rate)/sizeof(*pf_rate);
+ const size_t i_rate_count = sizeof(pf_rate)/sizeof(*pf_rate);
+
+ float f_rate;
+ struct input_thread_t *input;
PL_LOCK;
- float f_rate = 1.;
- if( pl_priv( p_playlist )->p_input )
- {
- f_rate = var_GetFloat( pl_priv(p_playlist)->p_input, "rate" );
- }
- else
- {
- f_rate = var_GetFloat( p_playlist, "rate" );
- }
+ input = pl_priv( p_playlist )->p_input;
+ f_rate = var_GetFloat( input ? (vlc_object_t *)input : obj, "rate" );
PL_UNLOCK;
- /* Determine the factor closest to the current rate */
- float f_error;
- int i_idx;
- for( unsigned i = 0; i < i_rate_count; i++ )
+ if( !strcmp( psz_cmd, "rate-faster" ) )
{
- const float f_test_e = fabs( fabs( f_rate ) - pf_rate[i] );
- if( i == 0 || f_test_e < f_error )
- {
- i_idx = i;
- f_error = f_test_e;
- }
+ /* 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;
+ }
}
- assert( i_idx < (int)i_rate_count );
-
- /* */
- i_idx += strcmp( psz_cmd, "rate-faster" ) == 0 ? 1 : -1;
- if( i_idx >= 0 && i_idx < (int)i_rate_count )
+ else
{
- const float f_rate_min = (float)INPUT_RATE_DEFAULT / INPUT_RATE_MAX;
- const float f_rate_max = (float)INPUT_RATE_DEFAULT / INPUT_RATE_MIN;
- const float f_sign = f_rate >= 0 ? +1. : -1.;
-
- var_SetFloat( p_playlist, "rate",
- f_sign * __MAX( __MIN( pf_rate[i_idx],
- f_rate_max ),
- f_rate_min ) );
-
+ /* 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;
}
* \param p_parent the vlc object that is to be the parent of this playlist
* \return a pointer to the created playlist, or NULL on error
*/
-playlist_t * playlist_Create( vlc_object_t *p_parent )
+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;
assert( offsetof( playlist_private_t, public_data ) == 0 );
p_playlist = &p->public_data;
- vlc_object_attach( p_playlist, p_parent );
TAB_INIT( pl_priv(p_playlist)->i_sds, pl_priv(p_playlist)->pp_sds );
- libvlc_priv(p_parent->p_libvlc)->p_playlist = p_playlist;
-
VariablesInit( p_playlist );
vlc_mutex_init( &p->lock );
vlc_cond_init( &p->signal );
+ p->killed = false;
/* Initialise data structures */
pl_priv(p_playlist)->i_last_playlist_id = 0;
p_playlist->i_current_index = 0;
pl_priv(p_playlist)->b_reset_currently_playing = true;
- pl_priv(p_playlist)->last_rebuild_date = 0;
pl_priv(p_playlist)->b_tree = var_InheritBool( p_parent, "playlist-tree" );
pl_priv(p_playlist)->b_auto_preparse =
var_InheritBool( p_parent, "auto-preparse" );
- /* 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" );
- }
+ /* Preparser (and meta retriever) */
+ p->p_preparser = playlist_preparser_New( VLC_OBJECT(p_playlist) );
+ if( unlikely(p->p_preparser == NULL) )
+ msg_Err( p_playlist, "cannot create preparser" );
/* Create the root node */
PL_LOCK;
p_playlist, _( "Media Library" ), p_playlist->p_root,
PLAYLIST_END, PLAYLIST_RO_FLAG, NULL );
PL_UNLOCK;
-
- if(!p_playlist->p_media_library ) return NULL;
}
else
{
pl_priv(p_playlist)->b_auto_preparse = b_auto_preparse;
}
+ /* Input resources */
+ p->p_input_resource = input_resource_New( VLC_OBJECT( p_playlist ) );
+ if( unlikely(p->p_input_resource == NULL) )
+ abort();
+
+ /* Audio output (needed for volume and device controls). */
+ audio_output_t *aout = input_resource_GetAout( p->p_input_resource );
+ if( aout != NULL )
+ input_resource_PutAout( p->p_input_resource, aout );
+
+ /* Thread */
+ playlist_Activate (p_playlist);
+
+ /* Add service discovery modules */
+ char *mods = var_InheritString( p_playlist, "services-discovery" );
+ if( mods != NULL )
+ {
+ char *p = mods, *m;
+ while( (m = strsep( &p, " :," )) != NULL )
+ playlist_ServicesDiscoveryAdd( p_playlist, m );
+ free( mods );
+ }
+
return p_playlist;
}
{
playlist_private_t *p_sys = pl_priv(p_playlist);
+ /* Remove all services discovery */
+ playlist_ServicesDiscoveryKillAll( p_playlist );
+
msg_Dbg( p_playlist, "destroying" );
+
+ playlist_Deactivate( p_playlist );
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 );
+ /* Release input resources */
+ assert( p_sys->p_input == NULL );
+ input_resource_Release( p_sys->p_input_resource );
+
+ if( p_playlist->p_media_library != NULL )
+ playlist_MLDump( p_playlist );
+
+ PL_LOCK;
+ /* Release the current node */
+ set_current_status_node( p_playlist, NULL );
+ /* Release the current item */
+ set_current_status_item( p_playlist, NULL );
+ PL_UNLOCK;
vlc_cond_destroy( &p_sys->signal );
vlc_mutex_destroy( &p_sys->lock );
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_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 );
+ var_Create( p_playlist, "activity", VLC_VAR_VOID );
/* Variables to control playback */
- 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, "playlist-autostart", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
var_Create( p_playlist, "random", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ var_AddCallback( p_playlist, "random", RandomCallback, NULL );
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, "corks", VLC_VAR_INTEGER );
+ var_AddCallback( p_playlist, "corks", CorksCallback, NULL );
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_Create( p_playlist, "rate-slower", VLC_VAR_VOID );
var_AddCallback( p_playlist, "rate-slower", RateOffsetCallback, NULL );
+ var_Create( p_playlist, "rate-faster", VLC_VAR_VOID );
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 );
+ var_Create( p_playlist, "video-wallpaper", 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 );
+ var_Create( p_playlist, "volume", VLC_VAR_FLOAT );
+ var_SetFloat( p_playlist, "volume", -1.f );
}
playlist_item_t * playlist_CurrentPlayingItem( playlist_t * p_playlist )