mirror of
https://code.videolan.org/videolan/vlc
synced 2024-08-27 04:21:53 +02:00
src/control/media_descriptor.c: Forward vlc_InputItemMetaChanged events.
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e1aeed2ef8
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d49a678a66
@ -91,7 +91,7 @@ typedef enum libvlc_meta_t {
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libvlc_meta_Description,
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libvlc_meta_Rating,
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libvlc_meta_Date,
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libvlc_meta_Settings,
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libvlc_meta_Setting,
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libvlc_meta_URL,
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libvlc_meta_Language,
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libvlc_meta_NowPlaying,
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@ -241,6 +241,7 @@ typedef struct libvlc_log_message_t
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*/
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typedef enum libvlc_event_type_t {
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libvlc_MediaDescriptorMetaChanged,
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libvlc_MediaInstanceReachedEnd,
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libvlc_MediaListItemAdded,
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libvlc_MediaListItemDeleted,
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@ -260,6 +261,10 @@ typedef struct libvlc_event_t
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void * p_obj;
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union event_type_specific
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{
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struct
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{
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libvlc_meta_t meta_type;
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} media_descriptor_meta_changed;
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struct
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{
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libvlc_media_descriptor_t * item;
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@ -65,6 +65,7 @@ struct libvlc_instance_t
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struct libvlc_media_descriptor_t
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{
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libvlc_event_manager_t * p_event_manager;
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int b_preparsed;
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input_item_t *p_input_item;
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int i_refcount;
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@ -27,6 +27,88 @@
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#include "libvlc_internal.h"
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static const vlc_meta_type_t libvlc_to_vlc_meta[] =
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{
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[libvlc_meta_Title] = vlc_meta_Title,
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[libvlc_meta_Artist] = vlc_meta_Artist,
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[libvlc_meta_Genre] = vlc_meta_Genre,
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[libvlc_meta_Copyright] = vlc_meta_Copyright,
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[libvlc_meta_Album] = vlc_meta_Album,
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[libvlc_meta_TrackNumber] = vlc_meta_TrackNumber,
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[libvlc_meta_Description] = vlc_meta_Description,
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[libvlc_meta_Rating] = vlc_meta_Rating,
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[libvlc_meta_Date] = vlc_meta_Date,
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[libvlc_meta_Setting] = vlc_meta_Setting,
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[libvlc_meta_URL] = vlc_meta_URL,
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[libvlc_meta_Language] = vlc_meta_Language,
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[libvlc_meta_NowPlaying] = vlc_meta_NowPlaying,
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[libvlc_meta_Publisher] = vlc_meta_Publisher,
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[libvlc_meta_EncodedBy] = vlc_meta_EncodedBy,
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[libvlc_meta_ArtworkURL] = vlc_meta_ArtworkURL,
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[libvlc_meta_TrackID] = vlc_meta_TrackID
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};
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static const libvlc_meta_t vlc_to_libvlc_meta[] =
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{
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[vlc_meta_Title] = libvlc_meta_Title,
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[vlc_meta_Artist] = libvlc_meta_Artist,
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[vlc_meta_Genre] = libvlc_meta_Genre,
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[vlc_meta_Copyright] = libvlc_meta_Copyright,
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[vlc_meta_Album] = libvlc_meta_Album,
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[vlc_meta_TrackNumber] = libvlc_meta_TrackNumber,
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[vlc_meta_Description] = libvlc_meta_Description,
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[vlc_meta_Rating] = libvlc_meta_Rating,
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[vlc_meta_Date] = libvlc_meta_Date,
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[vlc_meta_Setting] = libvlc_meta_Setting,
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[vlc_meta_URL] = libvlc_meta_URL,
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[vlc_meta_Language] = libvlc_meta_Language,
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[vlc_meta_NowPlaying] = libvlc_meta_NowPlaying,
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[vlc_meta_Publisher] = libvlc_meta_Publisher,
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[vlc_meta_EncodedBy] = libvlc_meta_EncodedBy,
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[vlc_meta_ArtworkURL] = libvlc_meta_ArtworkURL,
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[vlc_meta_TrackID] = libvlc_meta_TrackID
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};
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/**************************************************************************
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* input_item_meta_changed (Private) (vlc event Callback)
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**************************************************************************/
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static void input_item_meta_changed( const vlc_event_t *p_event,
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void * user_data )
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{
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libvlc_media_descriptor_t * p_md = user_data;
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libvlc_event_t event;
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/* Construct the event */
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event.type = libvlc_MediaDescriptorMetaChanged;
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event.u.media_descriptor_meta_changed.meta_type =
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vlc_to_libvlc_meta[p_event->u.input_item_meta_changed.meta_type];
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/* Send the event */
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libvlc_event_send( p_md->p_event_manager, &event );
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}
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/**************************************************************************
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* Install event handler (Private)
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**************************************************************************/
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static void install_input_item_observer( libvlc_media_descriptor_t *p_md )
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{
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vlc_event_attach( &p_md->p_input_item->event_manager,
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vlc_InputItemMetaChanged,
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input_item_meta_changed,
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p_md );
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}
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/**************************************************************************
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* Uninstall event handler (Private)
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**************************************************************************/
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static void uninstall_input_item_observer( libvlc_media_descriptor_t *p_md )
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{
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vlc_event_detach( &p_md->p_input_item->event_manager,
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vlc_InputItemMetaChanged,
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input_item_meta_changed,
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p_md );
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}
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/**************************************************************************
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* Preparse if not already done (Private)
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@ -42,6 +124,39 @@ static void preparse_if_needed( libvlc_media_descriptor_t *p_md )
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}
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}
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/**************************************************************************
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* Create a new media descriptor object from an input_item
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* (libvlc internal)
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* That's the generic constructor
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**************************************************************************/
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libvlc_media_descriptor_t * libvlc_media_descriptor_new_from_input_item(
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libvlc_instance_t *p_instance,
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input_item_t *p_input_item,
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libvlc_exception_t *p_e )
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{
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libvlc_media_descriptor_t * p_md;
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if (!p_input_item)
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{
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libvlc_exception_raise( p_e, "No input item given" );
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return NULL;
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}
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p_md = malloc( sizeof(libvlc_media_descriptor_t) );
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p_md->p_libvlc_instance = p_instance;
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p_md->p_input_item = p_input_item;
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p_md->b_preparsed = VLC_TRUE;
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p_md->i_refcount = 1;
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p_md->p_event_manager = libvlc_event_manager_new( p_md, p_instance, p_e );
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libvlc_event_manager_register_event_type( p_md->p_event_manager,
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libvlc_MediaDescriptorMetaChanged, p_e );
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vlc_gc_incref( p_md->p_input_item );
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install_input_item_observer( p_md );
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return p_md;
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}
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/**************************************************************************
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* Create a new media descriptor object
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**************************************************************************/
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@ -61,41 +176,8 @@ libvlc_media_descriptor_t * libvlc_media_descriptor_new(
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return NULL;
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}
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p_md = malloc( sizeof(libvlc_media_descriptor_t) );
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p_md->p_libvlc_instance = p_instance;
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p_md->p_input_item = p_input_item;
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p_md->b_preparsed = VLC_FALSE;
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p_md->i_refcount = 1;
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vlc_gc_incref( p_md->p_input_item );
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return p_md;
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}
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/**************************************************************************
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* Create a new media descriptor object from an input_item
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* (libvlc internal)
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**************************************************************************/
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libvlc_media_descriptor_t * libvlc_media_descriptor_new_from_input_item(
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libvlc_instance_t *p_instance,
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input_item_t *p_input_item,
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libvlc_exception_t *p_e )
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{
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libvlc_media_descriptor_t * p_md;
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if (!p_input_item)
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{
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libvlc_exception_raise( p_e, "No input item given" );
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return NULL;
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}
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p_md = malloc( sizeof(libvlc_media_descriptor_t) );
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p_md->p_libvlc_instance = p_instance;
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p_md->p_input_item = p_input_item;
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p_md->b_preparsed = VLC_TRUE;
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p_md->i_refcount = 1;
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vlc_gc_incref( p_md->p_input_item );
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p_md = libvlc_media_descriptor_new_from_input_item( p_instance,
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p_input_item, p_e );
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return p_md;
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}
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@ -110,12 +192,12 @@ void libvlc_media_descriptor_release( libvlc_media_descriptor_t *p_md )
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p_md->i_refcount--;
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/* XXX: locking */
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vlc_gc_decref( p_md->p_input_item );
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if( p_md->i_refcount > 0 )
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return;
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uninstall_input_item_observer( p_md );
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vlc_gc_decref( p_md->p_input_item );
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free( p_md );
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}
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@ -128,9 +210,6 @@ void libvlc_media_descriptor_retain( libvlc_media_descriptor_t *p_md )
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return;
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p_md->i_refcount++;
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/* XXX: locking */
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vlc_gc_incref( p_md->p_input_item );
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}
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/**************************************************************************
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@ -140,7 +219,7 @@ libvlc_media_descriptor_t *
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libvlc_media_descriptor_duplicate( libvlc_media_descriptor_t *p_md_orig )
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{
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return libvlc_media_descriptor_new_from_input_item(
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p_md->p_libvlc_instance, p_md_orig->p_input_item );
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p_md_orig->p_libvlc_instance, p_md_orig->p_input_item, NULL );
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}
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/**************************************************************************
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@ -157,26 +236,6 @@ libvlc_media_descriptor_get_mrl( libvlc_media_descriptor_t * p_md,
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/**************************************************************************
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* Getter for meta information
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**************************************************************************/
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static const vlc_meta_type_t meta_conversion[] =
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{
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[libvlc_meta_Title] = vlc_meta_Title,
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[libvlc_meta_Artist] = vlc_meta_Artist,
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[libvlc_meta_Genre] = vlc_meta_Genre,
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[libvlc_meta_Copyright] = vlc_meta_Copyright,
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[libvlc_meta_Album] = vlc_meta_Album,
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[libvlc_meta_TrackNumber] = vlc_meta_TrackNumber,
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[libvlc_meta_Description] = vlc_meta_Description,
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[libvlc_meta_Rating] = vlc_meta_Rating,
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[libvlc_meta_Date] = vlc_meta_Date,
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[libvlc_meta_Settings] = vlc_meta_Setting,
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[libvlc_meta_URL] = vlc_meta_URL,
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[libvlc_meta_Language] = vlc_meta_Language,
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[libvlc_meta_NowPlaying] = vlc_meta_NowPlaying,
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[libvlc_meta_Publisher] = vlc_meta_Publisher,
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[libvlc_meta_EncodedBy] = vlc_meta_EncodedBy,
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[libvlc_meta_ArtworkURL] = vlc_meta_ArtworkURL,
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[libvlc_meta_TrackID] = vlc_meta_TrackID
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};
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char * libvlc_media_descriptor_get_meta( libvlc_media_descriptor_t *p_md,
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libvlc_meta_t e_meta,
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@ -188,7 +247,8 @@ char * libvlc_media_descriptor_get_meta( libvlc_media_descriptor_t *p_md,
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preparse_if_needed( p_md );
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psz_meta = input_item_GetMeta( p_md->p_input_item, meta_conversion[e_meta] );
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psz_meta = input_item_GetMeta( p_md->p_input_item,
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libvlc_to_vlc_meta[e_meta] );
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/* Should be integrated in core */
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if( !psz_meta && e_meta == libvlc_meta_Title && p_md->p_input_item->psz_name )
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