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Commit 59604e79 authored by Pierre d'Herbemont's avatar Pierre d'Herbemont
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control/flat_media_list.c: Fix a bunch of bug, plus add a tracing capability.

parent 259aca48
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Showing with 73 additions and 14 deletions
src/control/flat_media_list.c
View file @ 59604e79
......@@ -27,6 +27,14 @@
#include <assert.h>
#include "vlc_arrays.h"
//#define DEBUG_FLAT_LIST
#ifdef DEBUG_FLAT_LIST
# define trace( fmt, ... ) printf( "%s(): " fmt, __FUNCTION__, ##__VA_ARGS__ )
#else
# define trace( ... )
#endif
/*
* Private functions
*/
......@@ -47,13 +55,13 @@ static void
uninstall_media_list_observer( libvlc_media_list_t * p_mlist,
libvlc_media_list_t * p_submlist )
{
trace("\n");
libvlc_event_detach( p_submlist->p_event_manager,
libvlc_MediaListItemAdded,
sublist_item_added, p_mlist, NULL );
libvlc_event_detach( p_submlist->p_event_manager,
libvlc_MediaListItemDeleted,
sublist_item_removed, p_mlist, NULL );
}
/**************************************************************************
......@@ -63,6 +71,7 @@ static void
install_media_list_observer( libvlc_media_list_t * p_mlist,
libvlc_media_list_t * p_submlist )
{
trace("\n");
libvlc_event_attach( p_submlist->p_event_manager,
libvlc_MediaListItemAdded,
sublist_item_added, p_mlist, NULL );
......@@ -80,6 +89,7 @@ add_media_list( libvlc_media_list_t * p_mlist,
{
int count = libvlc_media_list_count( p_submlist, NULL );
int i;
trace("\n");
for( i = 0; i < count; i++ )
{
......@@ -97,6 +107,7 @@ static void
remove_media_list( libvlc_media_list_t * p_mlist,
libvlc_media_list_t * p_submlist )
{
trace("\n");
int count = libvlc_media_list_count( p_submlist, NULL );
int i;
uninstall_media_list_observer( p_mlist, p_submlist );
......@@ -116,22 +127,27 @@ remove_media_list( libvlc_media_list_t * p_mlist,
static void
add_item( libvlc_media_list_t * p_mlist, libvlc_media_descriptor_t * p_md )
{
trace( "p_md '%s'\n", p_md->p_input_item->psz_name );
/* Only add the media descriptor once to our flat list */
if( libvlc_media_list_index_of_item( p_mlist->p_flat_mlist, p_md, NULL ) < 0 )
{
if( p_md->p_subitems )
{
add_media_list( p_mlist->p_flat_mlist, p_md->p_subitems );
add_media_list( p_mlist, p_md->p_subitems );
}
else
{
libvlc_media_list_lock( p_mlist->p_flat_mlist );
libvlc_event_attach( p_md->p_event_manager,
libvlc_MediaDescriptorSubItemAdded,
subitems_created, p_mlist, NULL );
uninstall_flat_mlist_observer( p_mlist );
libvlc_media_list_add_media_descriptor( p_mlist->p_flat_mlist,
p_md, NULL );
install_flat_mlist_observer( p_mlist );
install_flat_mlist_observer( p_mlist );
libvlc_media_list_unlock( p_mlist->p_flat_mlist );
}
}
}
......@@ -142,15 +158,23 @@ add_item( libvlc_media_list_t * p_mlist, libvlc_media_descriptor_t * p_md )
static void
remove_item( libvlc_media_list_t * p_mlist, libvlc_media_descriptor_t * p_md )
{
trace( "p_md '%s'\n", p_md->p_input_item->psz_name );
if( p_md->p_subitems ) /* XXX: Don't access that directly */
remove_media_list( p_mlist, p_md->p_subitems );
libvlc_event_detach( p_md->p_event_manager,
libvlc_MediaDescriptorSubItemAdded,
subitems_created, p_mlist, NULL );
libvlc_media_list_lock( p_mlist->p_flat_mlist );
int i = libvlc_media_list_index_of_item( p_mlist->p_flat_mlist, p_md, NULL );
uninstall_flat_mlist_observer( p_mlist );
libvlc_media_list_remove_index( p_mlist->p_flat_mlist, i, NULL );
install_flat_mlist_observer( p_mlist );
if( i >= 0 )
{
uninstall_flat_mlist_observer( p_mlist );
libvlc_media_list_remove_index( p_mlist->p_flat_mlist, i, NULL );
install_flat_mlist_observer( p_mlist );
}
libvlc_media_list_unlock( p_mlist->p_flat_mlist );
}
/**************************************************************************
......@@ -160,12 +184,30 @@ static void
subitems_created( const libvlc_event_t * p_event , void * p_user_data)
{
libvlc_media_list_t * p_mlist = p_user_data;
libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_deleted.item;
libvlc_media_descriptor_t * p_md = p_event->p_obj;
trace( "parent p_md '%s'\n", p_md->p_input_item->psz_name );
/* Remove the item and add the playlist */
remove_item( p_mlist->p_flat_mlist, p_md );
libvlc_media_list_lock( p_mlist->p_flat_mlist );
int i = libvlc_media_list_index_of_item( p_mlist->p_flat_mlist, p_md, NULL );
if( i >= 0 )
{
libvlc_event_detach_lock_state( p_md->p_event_manager,
libvlc_MediaDescriptorSubItemAdded,
subitems_created, p_mlist, libvlc_Locked, NULL );
uninstall_flat_mlist_observer( p_mlist );
libvlc_media_list_remove_index( p_mlist->p_flat_mlist, i, NULL );
install_flat_mlist_observer( p_mlist );
}
libvlc_media_list_unlock( p_mlist->p_flat_mlist );
trace( "Adding p_md '%s''s media list\n", p_md->p_input_item->psz_name );
add_media_list( p_mlist, p_md->p_subitems );
trace( "done\n" );
add_media_list( p_mlist->p_flat_mlist, p_md->p_subitems );
}
/**************************************************************************
......@@ -178,6 +220,8 @@ sublist_item_added( const libvlc_event_t * p_event, void * p_user_data )
{
libvlc_media_list_t * p_mlist = p_user_data;
libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_added.item;
trace( "p_md '%s'\n", p_md->p_input_item->psz_name );
add_item( p_mlist, p_md );
}
......@@ -189,6 +233,8 @@ sublist_item_removed( const libvlc_event_t * p_event, void * p_user_data )
{
libvlc_media_list_t * p_mlist = p_user_data;
libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_deleted.item;
trace( "p_md '%s'\n", p_md->p_input_item->psz_name );
remove_item( p_mlist, p_md );
}
......@@ -203,18 +249,21 @@ remove_item_in_submlist_rec( libvlc_media_list_t * p_mlist,
libvlc_media_descriptor_t * p_md_insub;
int count = libvlc_media_list_count( p_submlist, NULL );
int i;
trace("p_md '%s'\n", p_md->p_input_item->psz_name);
for( i = 0; i < count; i++ )
{
p_md_insub = libvlc_media_list_item_at_index( p_submlist,
i, NULL );
if( p_md_insub->p_subitems )
remove_item_in_submlist_rec( p_mlist, p_submlist, p_md );
if( p_md == p_md_insub )
{
libvlc_media_list_lock( p_submlist );
uninstall_media_list_observer( p_mlist, p_submlist );
libvlc_media_list_remove_index( p_submlist, i, NULL );
install_media_list_observer( p_mlist, p_submlist );
}
libvlc_media_list_unlock( p_submlist );
} else if( p_md_insub->p_subitems )
remove_item_in_submlist_rec( p_mlist, p_md_insub->p_subitems, p_md );
}
}
......@@ -224,6 +273,7 @@ remove_item_in_submlist_rec( libvlc_media_list_t * p_mlist,
static void
flat_mlist_item_removed( const libvlc_event_t * p_event, void * p_user_data )
{
trace("\n");
/* Remove all occurences of that one in sublist */
libvlc_media_list_t * p_mlist = p_user_data;
libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_deleted.item;
......@@ -237,9 +287,14 @@ flat_mlist_item_removed( const libvlc_event_t * p_event, void * p_user_data )
static void
flat_mlist_item_added( const libvlc_event_t * p_event, void * p_user_data )
{
trace("\n");
libvlc_media_list_t * p_mlist = p_user_data;
libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_added.item;
libvlc_event_attach( p_md->p_event_manager,
libvlc_MediaDescriptorSubItemAdded,
subitems_created, p_mlist, NULL );
/* Add in our root */
uninstall_media_list_observer( p_mlist, p_mlist );
libvlc_media_list_add_media_descriptor( p_mlist, p_md, NULL );
......@@ -252,6 +307,7 @@ flat_mlist_item_added( const libvlc_event_t * p_event, void * p_user_data )
static void
install_flat_mlist_observer( libvlc_media_list_t * p_mlist )
{
trace("\n");
libvlc_event_attach( p_mlist->p_flat_mlist->p_event_manager,
libvlc_MediaListItemAdded,
flat_mlist_item_added, p_mlist, NULL );
......@@ -267,10 +323,11 @@ install_flat_mlist_observer( libvlc_media_list_t * p_mlist )
static void
uninstall_flat_mlist_observer( libvlc_media_list_t * p_mlist )
{
trace("\n");
libvlc_event_detach( p_mlist->p_flat_mlist->p_event_manager,
libvlc_MediaListItemAdded,
flat_mlist_item_added, p_mlist, NULL );
libvlc_event_attach( p_mlist->p_flat_mlist->p_event_manager,
libvlc_event_detach( p_mlist->p_flat_mlist->p_event_manager,
libvlc_MediaListItemDeleted,
flat_mlist_item_removed, p_mlist, NULL );
......@@ -302,14 +359,16 @@ libvlc_media_list_t *
libvlc_media_list_flat_media_list( libvlc_media_list_t * p_mlist,
libvlc_exception_t * p_e )
{
trace("\n");
libvlc_media_list_lock( p_mlist );
if( !p_mlist->p_flat_mlist )
{
p_mlist->p_flat_mlist = libvlc_media_list_new(
p_mlist->p_libvlc_instance,
p_e );
add_media_list( p_mlist, p_mlist );
install_flat_mlist_observer( p_mlist );
}
libvlc_media_list_unlock( p_mlist );
libvlc_media_list_retain( p_mlist->p_flat_mlist );
return p_mlist->p_flat_mlist;
}
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