#ifndef VLC_META_H
#define VLC_META_H 1
+/**
+ * \file
+ * This file defines functions and structures for stream meta-data in vlc
+ *
+ */
+
#include <vlc_arrays.h>
typedef enum vlc_meta_type_t
#define vlc_meta_SetGenre( meta, b ) vlc_meta_Set( meta, vlc_meta_Genre, b )
#define vlc_meta_SetCopyright( meta, b ) vlc_meta_Set( meta, vlc_meta_Copyright, b )
#define vlc_meta_SetAlbum( meta, b ) vlc_meta_Set( meta, vlc_meta_Album, b )
-#define vlc_meta_SetTracknum( meta, b ) vlc_meta_Set( meta, vlc_meta_TrackNumber, b )
+#define vlc_meta_SetTrackNum( meta, b ) vlc_meta_Set( meta, vlc_meta_TrackNumber, b )
#define vlc_meta_SetDescription( meta, b ) vlc_meta_Set( meta, vlc_meta_Description, b )
#define vlc_meta_SetRating( meta, b ) vlc_meta_Set( meta, vlc_meta_Rating, b )
#define vlc_meta_SetDate( meta, b ) vlc_meta_Set( meta, vlc_meta_Date, b )
#define vlc_meta_SetArtURL( meta, b ) vlc_meta_Set( meta, vlc_meta_ArtworkURL, b )
#define vlc_meta_SetTrackID( meta, b ) vlc_meta_Set( meta, vlc_meta_TrackID, b )
-static inline void vlc_meta_Set( vlc_meta_t * p_meta, vlc_meta_type_t meta_type, const char * psz_val )
+/* Free a dictonary key allocated by strdup() in vlc_meta_AddExtra() */
+static inline void vlc_meta_FreeExtraKey( void *p_data, void *p_obj )
+{
+ VLC_UNUSED( p_obj );
+ free( p_data );
+}
+
+static inline void vlc_meta_Set( vlc_meta_t *p_meta, vlc_meta_type_t meta_type, const char *psz_val )
{
free( p_meta->ppsz_meta[meta_type] );
p_meta->ppsz_meta[meta_type] = psz_val ? strdup( psz_val ) : NULL;
}
-static inline const char * vlc_meta_Get( const vlc_meta_t * p_meta, vlc_meta_type_t meta_type )
+static inline const char *vlc_meta_Get( const vlc_meta_t *p_meta, vlc_meta_type_t meta_type )
{
return p_meta->ppsz_meta[meta_type];
}
static inline vlc_meta_t *vlc_meta_New( void )
{
- vlc_meta_t *m = (vlc_meta_t*)malloc( sizeof( vlc_meta_t ) );
- if( !m ) return NULL;
+ vlc_meta_t *m = (vlc_meta_t*)malloc( sizeof(*m) );
+ if( !m )
+ return NULL;
memset( m->ppsz_meta, 0, sizeof(m->ppsz_meta) );
m->i_status = 0;
vlc_dictionary_init( &m->extra_tags, 0 );
int i;
for( i = 0; i < VLC_META_TYPE_COUNT ; i++ )
free( m->ppsz_meta[i] );
- vlc_dictionary_clear( &m->extra_tags );
+ vlc_dictionary_clear( &m->extra_tags, vlc_meta_FreeExtraKey, NULL );
free( m );
}
static inline void vlc_meta_AddExtra( vlc_meta_t *m, const char *psz_name, const char *psz_value )
{
- char * psz_oldvalue = (char *)vlc_dictionary_value_for_key( &m->extra_tags, psz_name );
+ char *psz_oldvalue = (char *)vlc_dictionary_value_for_key( &m->extra_tags, psz_name );
if( psz_oldvalue != kVLCDictionaryNotFound )
- {
- free( psz_oldvalue );
- vlc_dictionary_remove_value_for_key( &m->extra_tags, psz_name );
- }
+ vlc_dictionary_remove_value_for_key( &m->extra_tags, psz_name,
+ vlc_meta_FreeExtraKey, NULL );
vlc_dictionary_insert( &m->extra_tags, psz_name, strdup(psz_value) );
}
static inline void vlc_meta_Merge( vlc_meta_t *dst, const vlc_meta_t *src )
{
- char ** ppsz_all_keys;
+ char **ppsz_all_keys;
int i;
- if( !dst || !src ) return;
+ if( !dst || !src )
+ return;
for( i = 0; i < VLC_META_TYPE_COUNT; i++ )
{
/* XXX: If speed up are needed, it is possible */
ppsz_all_keys = vlc_dictionary_all_keys( &src->extra_tags );
- for( i = 0; ppsz_all_keys[i]; i++ )
+ for( i = 0; ppsz_all_keys && ppsz_all_keys[i]; i++ )
{
/* Always try to remove the previous value */
- vlc_dictionary_remove_value_for_key( &dst->extra_tags, ppsz_all_keys[i] );
- void * p_value = vlc_dictionary_value_for_key( &src->extra_tags, ppsz_all_keys[i] );
- vlc_dictionary_insert( &dst->extra_tags, ppsz_all_keys[i], p_value );
+ vlc_dictionary_remove_value_for_key( &dst->extra_tags, ppsz_all_keys[i], vlc_meta_FreeExtraKey, NULL );
+
+ void *p_value = vlc_dictionary_value_for_key( &src->extra_tags, ppsz_all_keys[i] );
+ vlc_dictionary_insert( &dst->extra_tags, ppsz_all_keys[i], strdup( (const char*)p_value ) );
free( ppsz_all_keys[i] );
}
free( ppsz_all_keys );