/*****************************************************************************
- * media_descriptor.c: Libvlc API media descriport management
+ * media_descriptor.c: Libvlc API media descripor management
*****************************************************************************
* Copyright (C) 2007 the VideoLAN team
* $Id$
#include <vlc_input.h>
#include <vlc_meta.h>
+/* For the preparser */
+#include <vlc_playlist.h>
+
#include "libvlc_internal.h"
static const vlc_meta_type_t libvlc_to_vlc_meta[] =
[vlc_meta_TrackID] = libvlc_meta_TrackID
};
+/**************************************************************************
+ * input_item_subitem_added (Private) (vlc event Callback)
+ **************************************************************************/
+static void input_item_subitem_added( const vlc_event_t *p_event,
+ void * user_data )
+{
+ libvlc_media_descriptor_t * p_md = user_data;
+ libvlc_media_descriptor_t * p_md_child;
+ libvlc_event_t event;
+
+ p_md_child = libvlc_media_descriptor_new_from_input_item(
+ p_md->p_libvlc_instance,
+ p_event->u.input_item_subitem_added.p_new_child, NULL );
+
+ /* Add this to our media list */
+ if( !p_md->p_subitems )
+ {
+ p_md->p_subitems = libvlc_media_list_new( p_md->p_libvlc_instance, NULL );
+ libvlc_media_list_set_media_descriptor( p_md->p_subitems, p_md, NULL );
+ }
+ if( p_md->p_subitems )
+ {
+ libvlc_media_list_add_media_descriptor( p_md->p_subitems, p_md_child, NULL );
+ }
+
+ /* Construct the event */
+ event.type = libvlc_MediaDescriptorSubItemAdded;
+ event.u.media_descriptor_subitem_added.new_child = p_md_child;
+
+ /* Send the event */
+ libvlc_event_send( p_md->p_event_manager, &event );
+ libvlc_media_descriptor_release( p_md_child );
+}
+
/**************************************************************************
* input_item_meta_changed (Private) (vlc event Callback)
**************************************************************************/
libvlc_event_send( p_md->p_event_manager, &event );
}
+/**************************************************************************
+ * input_item_duration_changed (Private) (vlc event Callback)
+ **************************************************************************/
+static void input_item_duration_changed( const vlc_event_t *p_event,
+ void * user_data )
+{
+ libvlc_media_descriptor_t * p_md = user_data;
+ libvlc_event_t event;
+
+ /* Construct the event */
+ event.type = libvlc_MediaDescriptorDurationChanged;
+ event.u.media_descriptor_duration_changed.new_duration =
+ p_event->u.input_item_duration_changed.new_duration;
+
+ /* Send the event */
+ libvlc_event_send( p_md->p_event_manager, &event );
+}
+
+/**************************************************************************
+ * input_item_preparsed_changed (Private) (vlc event Callback)
+ **************************************************************************/
+static void input_item_preparsed_changed( const vlc_event_t *p_event,
+ void * user_data )
+{
+ libvlc_media_descriptor_t * p_md = user_data;
+ libvlc_event_t event;
+
+ /* Construct the event */
+ event.type = libvlc_MediaDescriptorPreparsedChanged;
+ event.u.media_descriptor_preparsed_changed.new_status =
+ p_event->u.input_item_preparsed_changed.new_status;
+
+ /* Send the event */
+ libvlc_event_send( p_md->p_event_manager, &event );
+}
/**************************************************************************
* Install event handler (Private)
**************************************************************************/
static void install_input_item_observer( libvlc_media_descriptor_t *p_md )
{
+ vlc_event_attach( &p_md->p_input_item->event_manager,
+ vlc_InputItemSubItemAdded,
+ input_item_subitem_added,
+ p_md );
vlc_event_attach( &p_md->p_input_item->event_manager,
vlc_InputItemMetaChanged,
input_item_meta_changed,
p_md );
+ vlc_event_attach( &p_md->p_input_item->event_manager,
+ vlc_InputItemDurationChanged,
+ input_item_duration_changed,
+ p_md );
+ vlc_event_attach( &p_md->p_input_item->event_manager,
+ vlc_InputItemPreparsedChanged,
+ input_item_preparsed_changed,
+ p_md );
}
/**************************************************************************
**************************************************************************/
static void uninstall_input_item_observer( libvlc_media_descriptor_t *p_md )
{
+ vlc_event_detach( &p_md->p_input_item->event_manager,
+ vlc_InputItemSubItemAdded,
+ input_item_subitem_added,
+ p_md );
vlc_event_detach( &p_md->p_input_item->event_manager,
vlc_InputItemMetaChanged,
input_item_meta_changed,
p_md );
+ vlc_event_detach( &p_md->p_input_item->event_manager,
+ vlc_InputItemDurationChanged,
+ input_item_duration_changed,
+ p_md );
+ vlc_event_detach( &p_md->p_input_item->event_manager,
+ vlc_InputItemPreparsedChanged,
+ input_item_preparsed_changed,
+ p_md );
}
/**************************************************************************
/* XXX: need some locking here */
if (!p_md->b_preparsed)
{
- input_Preparse( p_md->p_libvlc_instance->p_libvlc_int,
- p_md->p_input_item );
+ playlist_PreparseEnqueue(
+ p_md->p_libvlc_instance->p_libvlc_int->p_playlist,
+ p_md->p_input_item );
+ playlist_AskForArtEnqueue(
+ p_md->p_libvlc_instance->p_libvlc_int->p_playlist,
+ p_md->p_input_item );
+
p_md->b_preparsed = VLC_TRUE;
}
}
p_md = malloc( sizeof(libvlc_media_descriptor_t) );
p_md->p_libvlc_instance = p_instance;
p_md->p_input_item = p_input_item;
- p_md->b_preparsed = VLC_TRUE;
+ p_md->b_preparsed = VLC_FALSE;
p_md->i_refcount = 1;
+ p_md->p_user_data = NULL; // VLC.framework hook
+
+ /* A media descriptor can be a playlist. When you open a playlist
+ * It can give a bunch of item to read. */
+ p_md->p_subitems = NULL;
+
+ vlc_dictionary_init( &p_md->tags, 1 );
+
p_md->p_event_manager = libvlc_event_manager_new( p_md, p_instance, p_e );
- libvlc_event_manager_register_event_type( p_md->p_event_manager,
+ libvlc_event_manager_register_event_type( p_md->p_event_manager,
libvlc_MediaDescriptorMetaChanged, p_e );
+ libvlc_event_manager_register_event_type( p_md->p_event_manager,
+ libvlc_MediaDescriptorSubItemAdded, p_e );
+ libvlc_event_manager_register_event_type( p_md->p_event_manager,
+ libvlc_MediaDescriptorFreed, p_e );
+ libvlc_event_manager_register_event_type( p_md->p_event_manager,
+ libvlc_MediaDescriptorDurationChanged, p_e );
+
vlc_gc_incref( p_md->p_input_item );
install_input_item_observer( p_md );
input_item_t * p_input_item;
libvlc_media_descriptor_t * p_md;
- p_input_item = input_ItemNew( p_instance->p_libvlc_int, psz_mrl, psz_mrl );
+ p_input_item = input_ItemNew( p_instance->p_libvlc_int, psz_mrl, NULL );
+
+ if (!p_input_item)
+ {
+ libvlc_exception_raise( p_e, "Can't create md's input_item" );
+ return NULL;
+ }
+
+ p_md = libvlc_media_descriptor_new_from_input_item( p_instance,
+ p_input_item, p_e );
+
+ return p_md;
+}
+
+/**************************************************************************
+ * Create a new media descriptor object
+ **************************************************************************/
+libvlc_media_descriptor_t * libvlc_media_descriptor_new_as_node(
+ libvlc_instance_t *p_instance,
+ const char * psz_name,
+ libvlc_exception_t *p_e )
+{
+ input_item_t * p_input_item;
+ libvlc_media_descriptor_t * p_md;
+
+ p_input_item = input_ItemNew( p_instance->p_libvlc_int, "vlc:nop", psz_name );
if (!p_input_item)
{
p_md = libvlc_media_descriptor_new_from_input_item( p_instance,
p_input_item, p_e );
+ p_md->p_subitems = libvlc_media_list_new( p_md->p_libvlc_instance, NULL );
+
return p_md;
}
+/**************************************************************************
+ * Add an option to the media descriptor,
+ * that will be used to determine how the media_instance will read the
+ * media_descriptor. This allow to use VLC advanced reading/streaming
+ * options in a per-media basis
+ *
+ * The options are detailled in vlc --long-help, for instance "--sout-all"
+ **************************************************************************/
+void libvlc_media_descriptor_add_option(
+ libvlc_media_descriptor_t * p_md,
+ const char * ppsz_option,
+ libvlc_exception_t *p_e )
+{
+ (void)p_e;
+ input_ItemAddOptionNoDup( p_md->p_input_item, ppsz_option );
+}
+
/**************************************************************************
* Delete a media descriptor object
**************************************************************************/
void libvlc_media_descriptor_release( libvlc_media_descriptor_t *p_md )
{
+ int i;
if (!p_md)
return;
if( p_md->i_refcount > 0 )
return;
+ if( p_md->p_subitems )
+ libvlc_media_list_release( p_md->p_subitems );
+
uninstall_input_item_observer( p_md );
vlc_gc_decref( p_md->p_input_item );
+ /* Construct the event */
+ libvlc_event_t event;
+ event.type = libvlc_MediaDescriptorFreed;
+ event.u.media_descriptor_freed.md = p_md;
+
+ /* Send the event */
+ libvlc_event_send( p_md->p_event_manager, &event );
+
+ libvlc_event_manager_release( p_md->p_event_manager );
+
+ char ** all_keys = vlc_dictionary_all_keys( &p_md->tags );
+ for( i = 0; all_keys[i]; i++ )
+ {
+ int j;
+ struct libvlc_tags_storage_t * p_ts = vlc_dictionary_value_for_key( &p_md->tags, all_keys[i] );
+ for( j = 0; j < p_ts->i_count; j++ )
+ {
+ free( p_ts->ppsz_tags[j] );
+ free( p_ts->ppsz_tags );
+ }
+ free( p_ts );
+ }
+ vlc_dictionary_clear( &p_md->tags );
free( p_md );
}
libvlc_exception_t * p_e )
{
(void)p_e;
- return strdup( p_md->p_input_item->psz_uri );
+ return input_item_GetURI( p_md->p_input_item );
}
/**************************************************************************
libvlc_meta_t e_meta,
libvlc_exception_t *p_e )
{
- const char * psz_meta;
+ char * psz_meta;
/* XXX: locking */
/* Should be integrated in core */
if( !psz_meta && e_meta == libvlc_meta_Title && p_md->p_input_item->psz_name )
+ {
+ free( psz_meta );
return strdup( p_md->p_input_item->psz_name );
+ }
+
+ return psz_meta;
+}
+
+/**************************************************************************
+ * Add a tag
+ **************************************************************************/
+void libvlc_media_descriptor_add_tag( libvlc_media_descriptor_t *p_md,
+ const char * key,
+ const libvlc_tag_t tag,
+ libvlc_exception_t *p_e )
+{
+ struct libvlc_tags_storage_t * p_ts;
+
+ if( !tag || !key )
+ return;
+
+ p_ts = vlc_dictionary_value_for_key( &p_md->tags, key );
+
+ if( !p_ts )
+ {
+ p_ts = malloc(sizeof(struct libvlc_tags_storage_t));
+ memset( p_ts, 0, sizeof(struct libvlc_tags_storage_t) );
+ }
+ p_ts->i_count++;
+
+ if( !p_ts->ppsz_tags )
+ p_ts->ppsz_tags = malloc(sizeof(char*)*(p_ts->i_count));
+ else
+ p_ts->ppsz_tags = realloc(p_ts->ppsz_tags, sizeof(char*)*(p_ts->i_count));
+
+ p_ts->ppsz_tags[p_ts->i_count-1] = strdup( tag );
+}
+
+
+/**************************************************************************
+ * Remove a tag
+ **************************************************************************/
+void libvlc_media_descriptor_remove_tag( libvlc_media_descriptor_t *p_md,
+ const char * key,
+ const libvlc_tag_t tag,
+ libvlc_exception_t *p_e )
+{
+ struct libvlc_tags_storage_t * p_ts;
+ int i;
+
+ if( !tag || !key )
+ return;
+
+ p_ts = vlc_dictionary_value_for_key( &p_md->tags, key );
+
+ if( !p_ts )
+ return;
+
+ for( i = 0; i < p_ts->i_count; i++ )
+ {
+ if( !strcmp( p_ts->ppsz_tags[i], tag ) )
+ {
+ free( p_ts->ppsz_tags[i] );
+ memcpy( p_ts->ppsz_tags + i + 1, p_ts->ppsz_tags + i, (p_ts->i_count - i - 2)*sizeof(char*) );
+ /* Don't dealloc, the memory will be regain if we add a new tag */
+ p_ts->i_count--;
+ return;
+ }
+ }
+}
+
+/**************************************************************************
+ * Get tags count
+ **************************************************************************/
+int libvlc_media_descriptor_tags_count_for_key( libvlc_media_descriptor_t *p_md,
+ const char * key,
+ libvlc_exception_t *p_e )
+{
+ struct libvlc_tags_storage_t * p_ts;
+
+ if( !key )
+ return 0;
+
+ p_ts = vlc_dictionary_value_for_key( &p_md->tags, key );
+
+ if( !p_ts )
+ return 0;
+ return p_ts->i_count;
+}
+
+/**************************************************************************
+ * Get a tag
+ **************************************************************************/
+libvlc_tag_t
+libvlc_media_descriptor_tag_at_index_for_key( libvlc_media_descriptor_t *p_md,
+ int i,
+ const char * key,
+ libvlc_exception_t *p_e )
+{
+ struct libvlc_tags_storage_t * p_ts;
- if( !psz_meta )
+ if( !key )
return NULL;
+
+ p_ts = vlc_dictionary_value_for_key( &p_md->tags, key );
- return strdup( psz_meta );
+ if( !p_ts )
+ return NULL;
+
+ return strdup( p_ts->ppsz_tags[i] );
+}
+
+/**************************************************************************
+ * subitems
+ **************************************************************************/
+libvlc_media_list_t *
+libvlc_media_descriptor_subitems( libvlc_media_descriptor_t * p_md,
+ libvlc_exception_t * p_e )
+{
+ if( p_md->p_subitems )
+ libvlc_media_list_retain( p_md->p_subitems );
+ return p_md->p_subitems;
+}
+
+/**************************************************************************
+ * event_manager
+ **************************************************************************/
+libvlc_event_manager_t *
+libvlc_media_descriptor_event_manager( libvlc_media_descriptor_t * p_md,
+ libvlc_exception_t * p_e )
+{
+ return p_md->p_event_manager;
+}
+
+/**************************************************************************
+ * Get duration of media_descriptor object.
+ **************************************************************************/
+vlc_int64_t
+libvlc_media_descriptor_get_duration( libvlc_media_descriptor_t * p_md,
+ libvlc_exception_t * p_e )
+{
+ if( p_md && p_md->p_input_item)
+ {
+ return input_item_GetDuration( p_md->p_input_item );
+ }
+ else
+ {
+ return -1;
+ }
+}
+
+/**************************************************************************
+ * Get preparsed status for media_descriptor object.
+ **************************************************************************/
+vlc_bool_t
+libvlc_media_descriptor_is_preparsed( libvlc_media_descriptor_t * p_md,
+ libvlc_exception_t * p_e )
+{
+ if( p_md && p_md->p_input_item)
+ {
+ return input_item_IsPreparsed( p_md->p_input_item );
+ }
+ else
+ {
+ return VLC_FALSE;
+ }
+}
+
+/**************************************************************************
+ * Sets media descriptor's user_data. user_data is specialized data
+ * accessed by the host application, VLC.framework uses it as a pointer to
+ * an native object that references a libvlc_media_descriptor_t pointer
+ **************************************************************************/
+void
+libvlc_media_descriptor_set_user_data( libvlc_media_descriptor_t * p_md,
+ void * p_new_user_data,
+ libvlc_exception_t * p_e )
+{
+ if( p_md )
+ {
+ p_md->p_user_data = p_new_user_data;
+ }
+}
+
+/**************************************************************************
+ * Get media descriptor's user_data. user_data is specialized data
+ * accessed by the host application, VLC.framework uses it as a pointer to
+ * an native object that references a libvlc_media_descriptor_t pointer
+ **************************************************************************/
+void *
+libvlc_media_descriptor_get_user_data( libvlc_media_descriptor_t * p_md,
+ libvlc_exception_t * p_e )
+{
+ if( p_md )
+ {
+ return p_md->p_user_data;
+ }
+ else
+ {
+ return NULL;
+ }
}
projects / vlc / blobdiff