#include <vlc_interface.h>
#include <vlc_playlist.h>
#include <vlc_rand.h>
-#include "stream_output/stream_output.h"
#include "playlist_internal.h"
/*****************************************************************************
*****************************************************************************/
/**
- * Create the main playlist threads.
- * Additionally to the playlist, this thread controls :
- * - Statistics
- * - VLM
- * \param p_parent
- * \return an object with a started thread
+ * Creates the main playlist thread.
*/
void playlist_Activate( playlist_t *p_playlist )
{
- /* */
playlist_private_t *p_sys = pl_priv(p_playlist);
- /* Start the playlist thread */
if( vlc_clone( &p_sys->thread, Thread, p_playlist,
VLC_THREAD_PRIORITY_LOW ) )
{
msg_Err( p_playlist, "cannot spawn playlist thread" );
+ abort();
}
- msg_Dbg( p_playlist, "playlist threads correctly activated" );
}
+/**
+ * Stops the playlist forever (but do not destroy it yet).
+ * Any input is stopped.
+ * \return Nothing but waits for the playlist to be deactivated.
+ */
void playlist_Deactivate( playlist_t *p_playlist )
{
- /* */
playlist_private_t *p_sys = pl_priv(p_playlist);
- msg_Dbg( p_playlist, "deactivating the playlist" );
-
PL_LOCK;
- vlc_object_kill( p_playlist );
- vlc_cond_signal( &p_sys->signal );
- PL_UNLOCK;
-
- vlc_join( p_sys->thread, NULL );
- assert( !p_sys->p_input );
-
- /* release input resources */
- if( p_sys->p_input_resource )
+ /* WARNING: There is a latent bug. It is assumed that only one thread will
+ * be waiting for playlist deactivation at a time. So far, that works
+ * as playlist_Deactivate() is only ever called while closing an
+ * interface and interfaces are shut down serially by intf_DestroyAll(). */
+ if( p_sys->killed )
{
- input_resource_Terminate( p_sys->p_input_resource );
- input_resource_Release( p_sys->p_input_resource );
+ PL_UNLOCK;
+ return;
}
- p_sys->p_input_resource = NULL;
-
- if( var_InheritBool( p_playlist, "media-library" ) )
- 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 );
+ msg_Dbg( p_playlist, "deactivating the playlist" );
+ p_sys->killed = true;
+ vlc_cond_signal( &p_sys->signal );
PL_UNLOCK;
- msg_Dbg( p_playlist, "playlist correctly deactivated" );
+ vlc_join( p_sys->thread, NULL );
}
/* */
return VLC_SUCCESS;
}
-static void UpdateActivity( playlist_t *p_playlist, int i_delta )
-{
- PL_ASSERT_LOCKED;
-
- const int i_activity = var_GetInteger( p_playlist, "activity" ) ;
- var_SetInteger( p_playlist, "activity", i_activity + i_delta );
-}
-
/**
* Synchronise the current index of the playlist
* to match the index of the current item.
* \param p_cur the current playlist item
* \return nothing
*/
-static void ResyncCurrentIndex( playlist_t *p_playlist, playlist_item_t *p_cur )
+void ResyncCurrentIndex( playlist_t *p_playlist, playlist_item_t *p_cur )
{
PL_ASSERT_LOCKED;
PL_DEBUG( "%s is at %i", PLI_NAME( p_cur ), p_playlist->i_current_index );
}
-static void ResetCurrentlyPlaying( playlist_t *p_playlist,
+/**
+ * Reset the currently playing playlist.
+ *
+ * \param p_playlist the playlist structure
+ * \param p_cur the current playlist item
+ * \return nothing
+ */
+void ResetCurrentlyPlaying( playlist_t *p_playlist,
playlist_item_t *p_cur )
{
playlist_private_t *p_sys = pl_priv(p_playlist);
*
* \param p_playlist the playlist object
* \param p_item the item to play
- * \return nothing
*/
-static int PlayItem( playlist_t *p_playlist, playlist_item_t *p_item )
+static bool PlayItem( playlist_t *p_playlist, playlist_item_t *p_item )
{
playlist_private_t *p_sys = pl_priv(p_playlist);
input_item_t *p_input = p_item->p_input;
msg_Dbg( p_playlist, "creating new input thread" );
- p_input->i_nb_played++;
+ p_item->i_nb_played++;
set_current_status_item( p_playlist, p_item );
-
- p_sys->status.i_status = PLAYLIST_RUNNING;
-
- UpdateActivity( p_playlist, DEFAULT_INPUT_ACTIVITY );
-
assert( p_sys->p_input == NULL );
+ PL_UNLOCK;
- if( !p_sys->p_input_resource )
- p_sys->p_input_resource = input_resource_New( VLC_OBJECT( p_playlist ) );
- input_thread_t *p_input_thread = input_Create( p_playlist, p_input, NULL, p_sys->p_input_resource );
- if( p_input_thread )
+ input_thread_t *p_input_thread = input_Create( p_playlist, p_input, NULL,
+ p_sys->p_input_resource );
+ if( likely(p_input_thread != NULL) )
{
- p_sys->p_input = p_input_thread;
- var_AddCallback( p_input_thread, "intf-event", InputEvent, p_playlist );
-
- var_SetAddress( p_playlist, "input-current", p_input_thread );
+ var_AddCallback( p_input_thread, "intf-event",
+ InputEvent, p_playlist );
- if( input_Start( p_sys->p_input ) )
+ if( input_Start( p_input_thread ) )
{
+ var_DelCallback( p_input_thread, "intf-event",
+ InputEvent, p_playlist );
vlc_object_release( p_input_thread );
- p_sys->p_input = p_input_thread = NULL;
+ p_input_thread = NULL;
}
}
- char *psz_uri = input_item_GetURI( p_item->p_input );
- if( psz_uri && ( !strncmp( psz_uri, "directory:", 10 ) ||
- !strncmp( psz_uri, "vlc:", 4 ) ) )
- {
- free( psz_uri );
- return VLC_SUCCESS;
- }
- free( psz_uri );
+ var_SetAddress( p_playlist, "input-current", p_input_thread );
/* TODO store art policy in playlist private data */
- if( var_GetInteger( p_playlist, "album-art" ) == ALBUM_ART_WHEN_PLAYED )
+ char *psz_arturl = input_item_GetArtURL( p_input );
+ /* p_input->p_meta should not be null after a successful CreateThread */
+ bool b_has_art = !EMPTY_STR( psz_arturl );
+
+ if( !b_has_art || strncmp( psz_arturl, "attachment://", 13 ) )
{
- bool b_has_art;
+ PL_DEBUG( "requesting art for new input thread" );
+ libvlc_ArtRequest( p_playlist->p_libvlc, p_input, META_REQUEST_OPTION_NONE );
+ }
+ free( psz_arturl );
- char *psz_arturl, *psz_name;
- psz_arturl = input_item_GetArtURL( p_input );
- psz_name = input_item_GetName( p_input );
+ PL_LOCK;
+ p_sys->p_input = p_input_thread;
+ PL_UNLOCK;
- /* p_input->p_meta should not be null after a successfull CreateThread */
- b_has_art = !EMPTY_STR( psz_arturl );
+ var_TriggerCallback( p_playlist, "activity" );
- if( !b_has_art || strncmp( psz_arturl, "attachment://", 13 ) )
- {
- PL_DEBUG( "requesting art for %s", psz_name );
- playlist_AskForArtEnqueue( p_playlist, p_input );
- }
- free( psz_arturl );
- free( psz_name );
- }
- /* FIXME: this is not safe !!*/
- PL_UNLOCK;
- var_SetAddress( p_playlist, "item-current", p_input );
PL_LOCK;
-
- return VLC_SUCCESS;
+ return p_input_thread != NULL;
}
/**
{
playlist_private_t *p_sys = pl_priv(p_playlist);
playlist_item_t *p_new = NULL;
+ bool requested = p_sys->request.b_request;
+
+ /* Clear the request */
+ p_sys->request.b_request = false;
/* Handle quickly a few special cases */
/* No items to play */
}
/* Start the real work */
- if( p_sys->request.b_request )
+ if( requested )
{
p_new = p_sys->request.p_item;
+
+ if( p_new == NULL && p_sys->request.p_node == NULL )
+ return NULL; /* Stop request! */
+
int i_skip = p_sys->request.i_skip;
PL_DEBUG( "processing request item: %s, node: %s, skip: %i",
PLI_NAME( p_sys->request.p_item ),
if( p_playlist->i_current_index >= p_playlist->current.i_size )
{
PL_DEBUG( "looping - restarting at beginning of node" );
+ /* reshuffle playlist when end is reached */
+ if( var_GetBool( p_playlist, "random" ) ) {
+ PL_DEBUG( "reshuffle playlist" );
+ ResetCurrentlyPlaying( p_playlist,
+ get_current_status_item( p_playlist ) );
+ }
p_playlist->i_current_index = 0;
}
}
if( p_playlist->i_current_index <= -1 )
{
PL_DEBUG( "looping - restarting at end of node" );
+ /* reshuffle playlist when beginning is reached */
+ if( var_GetBool( p_playlist, "random" ) ) {
+ PL_DEBUG( "reshuffle playlist" );
+ ResetCurrentlyPlaying( p_playlist,
+ get_current_status_item( p_playlist ) );
+ }
p_playlist->i_current_index = p_playlist->current.i_size-1;
}
}
p_new = ARRAY_VAL( p_playlist->current,
p_playlist->i_current_index );
}
- /* Clear the request */
- p_sys->request.b_request = false;
}
/* "Automatic" item change ( next ) */
else
{
bool b_loop = var_GetBool( p_playlist, "loop" );
bool b_repeat = var_GetBool( p_playlist, "repeat" );
- bool b_playstop = var_GetBool( p_playlist, "play-and-stop" );
+ bool b_playstop = var_InheritBool( p_playlist, "play-and-stop" );
/* Repeat and play/stop */
if( b_repeat && get_current_status_item( p_playlist ) )
{
if( !b_loop || p_playlist->current.i_size == 0 )
return NULL;
+ /* reshuffle after last item has been played */
+ if( var_GetBool( p_playlist, "random" ) ) {
+ PL_DEBUG( "reshuffle playlist" );
+ ResetCurrentlyPlaying( p_playlist,
+ get_current_status_item( p_playlist ) );
+ }
p_playlist->i_current_index = 0;
}
PL_DEBUG( "using item %i", p_playlist->i_current_index );
return p_new;
}
-static int LoopInput( playlist_t *p_playlist )
+static void LoopInput( playlist_t *p_playlist )
{
playlist_private_t *p_sys = pl_priv(p_playlist);
input_thread_t *p_input = p_sys->p_input;
- if( !p_input )
- return VLC_EGENERIC;
+ assert( p_input != NULL );
- if( ( p_sys->request.b_request || !vlc_object_alive( p_playlist ) ) && !p_input->b_die )
+ if( p_sys->request.b_request || p_sys->killed )
{
PL_DEBUG( "incoming request - stopping current input" );
- input_Stop( p_input, true );
+ input_Stop( p_input );
}
+#warning Unsynchronized access to *p_input flags...
/* This input is dead. Remove it ! */
if( p_input->b_dead )
{
+ p_sys->p_input = NULL;
PL_DEBUG( "dead input" );
-
PL_UNLOCK;
- /* We can unlock as we return VLC_EGENERIC (no event will be lost) */
- /* input_resource_t must be manipulated without playlist lock */
- if( !var_CreateGetBool( p_input, "sout-keep" ) )
- input_resource_TerminateSout( p_sys->p_input_resource );
+ var_SetAddress( p_playlist, "input-current", NULL );
- /* The DelCallback must be issued without playlist lock */
+ /* WARNING: Input resource manipulation and callback deletion are
+ * incompatible with the playlist lock. */
+ if( !var_InheritBool( p_input, "sout-keep" ) )
+ input_resource_TerminateSout( p_sys->p_input_resource );
var_DelCallback( p_input, "intf-event", InputEvent, p_playlist );
- PL_LOCK;
-
- p_sys->p_input = NULL;
input_Close( p_input );
-
- UpdateActivity( p_playlist, -DEFAULT_INPUT_ACTIVITY );
-
- return VLC_EGENERIC;
- }
- /* This input is dying, let it do */
- else if( p_input->b_die )
- {
- PL_DEBUG( "dying input" );
+ var_TriggerCallback( p_playlist, "activity" );
+ PL_LOCK;
+ return;
}
/* This input has finished, ask it to die ! */
else if( p_input->b_error || p_input->b_eof )
{
PL_DEBUG( "finished input" );
- input_Stop( p_input, false );
+ input_Stop( p_input );
}
- return VLC_SUCCESS;
+
+ vlc_cond_wait( &p_sys->signal, &p_sys->lock );
}
-static void LoopRequest( playlist_t *p_playlist )
+static bool Next( playlist_t *p_playlist )
{
- playlist_private_t *p_sys = pl_priv(p_playlist);
- assert( !p_sys->p_input );
-
- /* No input. Several cases
- * - No request, running status -> start new item
- * - No request, stopped status -> collect garbage
- * - Request, running requested -> start new item
- * - Request, stopped requested -> collect garbage
- */
- const int i_status = p_sys->request.b_request ?
- p_sys->request.i_status : p_sys->status.i_status;
-
- if( i_status == PLAYLIST_STOPPED || !vlc_object_alive( p_playlist ) )
- {
- p_sys->status.i_status = PLAYLIST_STOPPED;
-
- if( p_sys->p_input_resource &&
- input_resource_HasVout( p_sys->p_input_resource ) )
- {
- /* XXX We can unlock if we don't issue the wait as we will be
- * call again without anything else done between the calls */
- PL_UNLOCK;
-
- /* input_resource_t must be manipulated without playlist lock */
- input_resource_TerminateVout( p_sys->p_input_resource );
-
- PL_LOCK;
- }
- else
- {
- if( vlc_object_alive( p_playlist ) )
- vlc_cond_wait( &p_sys->signal, &p_sys->lock );
- }
- return;
- }
-
playlist_item_t *p_item = NextItem( p_playlist );
- if( p_item )
- {
- msg_Dbg( p_playlist, "starting playback of the new playlist item" );
- PlayItem( p_playlist, p_item );
- return;
- }
+ if( p_item == NULL )
+ return false;
- msg_Dbg( p_playlist, "nothing to play" );
- p_sys->status.i_status = PLAYLIST_STOPPED;
-
- if( var_GetBool( p_playlist, "play-and-exit" ) )
- {
- msg_Info( p_playlist, "end of playlist, exiting" );
- libvlc_Quit( p_playlist->p_libvlc );
- }
+ msg_Dbg( p_playlist, "starting playback of new item" );
+ ResyncCurrentIndex( p_playlist, p_item );
+ return PlayItem( p_playlist, p_item );
}
/**
playlist_t *p_playlist = data;
playlist_private_t *p_sys = pl_priv(p_playlist);
- playlist_Lock( p_playlist );
- while( vlc_object_alive( p_playlist ) || p_sys->p_input )
+ PL_LOCK;
+ while( !p_sys->killed )
{
- /* FIXME: what's that ! */
- if( p_sys->b_reset_currently_playing &&
- mdate() - p_sys->last_rebuild_date > 30000 ) // 30 ms
+ /* Playlist in stopped state */
+ assert(p_sys->p_input == NULL);
+
+ if( !p_sys->request.b_request )
{
- ResetCurrentlyPlaying( p_playlist,
- get_current_status_item( p_playlist ) );
- p_sys->last_rebuild_date = mdate();
+ vlc_cond_wait( &p_sys->signal, &p_sys->lock );
+ continue;
}
- /* If there is an input, check that it doesn't need to die. */
- while( !LoopInput( p_playlist ) )
- vlc_cond_wait( &p_sys->signal, &p_sys->lock );
+ while( !p_sys->killed && Next( p_playlist ) )
+ { /* Playlist in running state */
+ assert(p_sys->p_input != NULL);
+
+ do
+ LoopInput( p_playlist );
+ while( p_sys->p_input != NULL );
+ }
+
+ msg_Dbg( p_playlist, "nothing to play" );
+ if( var_InheritBool( p_playlist, "play-and-exit" ) )
+ {
+ msg_Info( p_playlist, "end of playlist, exiting" );
+ libvlc_Quit( p_playlist->p_libvlc );
+ }
- LoopRequest( p_playlist );
+ /* Destroy any video display now (XXX: ugly hack) */
+ if( input_resource_HasVout( p_sys->p_input_resource ) )
+ {
+ PL_UNLOCK; /* Mind: NO LOCKS while manipulating input resources! */
+ input_resource_TerminateVout( p_sys->p_input_resource );
+ PL_LOCK;
+ }
}
- playlist_Unlock( p_playlist );
+ PL_UNLOCK;
+ input_resource_Terminate( p_sys->p_input_resource );
return NULL;
}
-