Added replay gain support (audio-replay-gain-mode track or album to activate

[vlc] / include / vlc_meta.h

diff --git a/include/vlc_meta.h b/include/vlc_meta.h
index 05739d911cedbc1a157b48b4ccf750ce35cb48dd..28bd4acfcea3fef70f7c8b1ec68a276841f0498d 100644 (file)
--- a/include/vlc_meta.h
+++ b/include/vlc_meta.h
@@ -21,13 +21,16 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#if !defined( __LIBVLC__ )
+  #error You are not libvlc or one of its plugins. You cannot include this file
+#endif
+
 #ifndef _VLC_META_H
 #define _VLC_META_H 1
 
 /* VLC meta name */
 #define VLC_META_INFO_CAT           N_("Meta-information")
 #define VLC_META_TITLE              N_("Title")
-#define VLC_META_AUTHOR             N_("Author")
 #define VLC_META_ARTIST             N_("Artist")
 #define VLC_META_GENRE              N_("Genre")
 #define VLC_META_COPYRIGHT          N_("Copyright")
@@ -52,11 +55,11 @@
 #define ITEM_META_FETCHED   0x02
 #define ITEM_ARTURL_FETCHED 0x04
 #define ITEM_ART_FETCHED    0x08
+#define ITEM_ART_NOTFOUND   0x10
 
 struct vlc_meta_t
 {
     char *psz_title;
-    char *psz_author;
     char *psz_artist;
     char *psz_genre;
     char *psz_copyright;
@@ -72,43 +75,44 @@ struct vlc_meta_t
     char *psz_publisher;
     char *psz_encodedby;
     char *psz_arturl;
+    char *psz_trackid;
+
+    int  i_extra;
+    char **ppsz_extra_name;
+    char **ppsz_extra_value;
 
     int i_status;
-#if 0
-    /* track meta information */
-    int         i_track;
-    vlc_meta_t  **track;
-#endif
+
 };
 
-#define vlc_meta_Set( meta,var,val ) { \
+#define vlc_meta_Set( meta,var,val ) do { \
+    const char *str = val; \
     if( meta->psz_##var ) free( meta->psz_##var ); \
-    meta->psz_##var = strdup( val ); }
-
-#define vlc_meta_SetTitle( meta, b ) vlc_meta_Set( meta, title, b );
-#define vlc_meta_SetArtist( meta, b ) vlc_meta_Set( meta, artist, b );
-#define vlc_meta_SetAuthor( meta, b ) vlc_meta_Set( meta, author, b );
-#define vlc_meta_SetGenre( meta, b ) vlc_meta_Set( meta, genre, b );
-#define vlc_meta_SetCopyright( meta, b ) vlc_meta_Set( meta, copyright, b );
-#define vlc_meta_SetAlbum( meta, b ) vlc_meta_Set( meta, album, b );
-#define vlc_meta_SetTracknum( meta, b ) vlc_meta_Set( meta, tracknum, b );
-#define vlc_meta_SetDescription( meta, b ) vlc_meta_Set( meta, description, b );
-#define vlc_meta_SetRating( meta, b ) vlc_meta_Set( meta, rating, b );
-#define vlc_meta_SetDate( meta, b ) vlc_meta_Set( meta, date, b );
-#define vlc_meta_SetSetting( meta, b ) vlc_meta_Set( meta, setting, b );
-#define vlc_meta_SetURL( meta, b ) vlc_meta_Set( meta, url, b );
-#define vlc_meta_SetLanguage( meta, b ) vlc_meta_Set( meta, language, b );
-#define vlc_meta_SetNowPlaying( meta, b ) vlc_meta_Set( meta, nowplaying, b );
-#define vlc_meta_SetPublisher( meta, b ) vlc_meta_Set( meta, publisher, b );
-#define vlc_meta_SetEncodedBy( meta, b ) vlc_meta_Set( meta, encodedby, b );
-#define vlc_meta_SetArtURL( meta, b ) vlc_meta_Set( meta, arturl, b );
+    meta->psz_##var = str ? strdup( str ) : NULL; } while(0)
+
+#define vlc_meta_SetTitle( meta, b ) vlc_meta_Set( meta, title, b )
+#define vlc_meta_SetArtist( meta, b ) vlc_meta_Set( meta, artist, b )
+#define vlc_meta_SetGenre( meta, b ) vlc_meta_Set( meta, genre, b )
+#define vlc_meta_SetCopyright( meta, b ) vlc_meta_Set( meta, copyright, b )
+#define vlc_meta_SetAlbum( meta, b ) vlc_meta_Set( meta, album, b )
+#define vlc_meta_SetTracknum( meta, b ) vlc_meta_Set( meta, tracknum, b )
+#define vlc_meta_SetDescription( meta, b ) vlc_meta_Set( meta, description, b )
+#define vlc_meta_SetRating( meta, b ) vlc_meta_Set( meta, rating, b )
+#define vlc_meta_SetDate( meta, b ) vlc_meta_Set( meta, date, b )
+#define vlc_meta_SetSetting( meta, b ) vlc_meta_Set( meta, setting, b )
+#define vlc_meta_SetURL( meta, b ) vlc_meta_Set( meta, url, b )
+#define vlc_meta_SetLanguage( meta, b ) vlc_meta_Set( meta, language, b )
+#define vlc_meta_SetNowPlaying( meta, b ) vlc_meta_Set( meta, nowplaying, b )
+#define vlc_meta_SetPublisher( meta, b ) vlc_meta_Set( meta, publisher, b )
+#define vlc_meta_SetEncodedBy( meta, b ) vlc_meta_Set( meta, encodedby, b )
+#define vlc_meta_SetArtURL( meta, b ) vlc_meta_Set( meta, arturl, b )
+#define vlc_meta_SetTrackID( meta, b ) vlc_meta_Set( meta, trackid, b )
 
 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;
     m->psz_title = NULL;
-    m->psz_author = NULL;
     m->psz_artist = NULL;
     m->psz_genre = NULL;
     m->psz_copyright = NULL;
@@ -124,14 +128,21 @@ static inline vlc_meta_t *vlc_meta_New( void )
     m->psz_publisher = NULL;
     m->psz_encodedby = NULL;
     m->psz_arturl = NULL;
+    m->psz_trackid = NULL;
+
+    m->i_extra = 0;
+    m->ppsz_extra_name = NULL;
+    m->ppsz_extra_value = NULL;
+
     m->i_status = 0;
     return m;
 }
 
 static inline void vlc_meta_Delete( vlc_meta_t *m )
 {
+    int i;
+
     free( m->psz_title );
-    free( m->psz_author );
     free( m->psz_artist );
     free( m->psz_genre );
     free( m->psz_copyright );
@@ -146,13 +157,28 @@ static inline void vlc_meta_Delete( vlc_meta_t *m )
     free( m->psz_nowplaying );
     free( m->psz_publisher );
     free( m->psz_encodedby );
+    free( m->psz_trackid );
     free( m->psz_arturl );
+    for( i = 0; i < m->i_extra; i++ )
+    {
+        free( m->ppsz_extra_name[i] );
+        free( m->ppsz_extra_value[i] );
+    }
+    free( m->ppsz_extra_name );
+    free( m->ppsz_extra_value );
 
     free( m );
 }
+static inline void vlc_meta_AddExtra( vlc_meta_t *m, const char *psz_name, const char *psz_value )
+{
+    int i_extra = m->i_extra;
+    TAB_APPEND_CPP( char, m->i_extra, m->ppsz_extra_name,  strdup(psz_name) );
+    TAB_APPEND_CPP( char, i_extra,    m->ppsz_extra_value, strdup(psz_value) );
+}
 
-static inline void vlc_meta_Merge( vlc_meta_t *dst, vlc_meta_t *src )
+static inline void vlc_meta_Merge( vlc_meta_t *dst, const vlc_meta_t *src )
 {
+    int i;
     if( !dst || !src ) return;
 #define COPY_FIELD( a ) \
     if( src->psz_ ## a ) { \
@@ -160,7 +186,6 @@ static inline void vlc_meta_Merge( vlc_meta_t *dst, vlc_meta_t *src )
         dst->psz_##a = strdup( src->psz_##a ); \
     }
     COPY_FIELD( title );
-    COPY_FIELD( author );
     COPY_FIELD( artist );
     COPY_FIELD( genre );
     COPY_FIELD( copyright );
@@ -175,15 +200,32 @@ static inline void vlc_meta_Merge( vlc_meta_t *dst, vlc_meta_t *src )
     COPY_FIELD( nowplaying );
     COPY_FIELD( publisher );
     COPY_FIELD( encodedby );
+    COPY_FIELD( trackid );
     COPY_FIELD( arturl );
+#undef COPY_FIELD
+
+    for( i = 0; i < src->i_extra; i++ )
+    {
+        int j;
+        for( j = 0; j < dst->i_extra; j++ )
+        {
+            if( !strcmp( dst->ppsz_extra_name[j], src->ppsz_extra_name[i] ) )
+            {
+                free( dst->ppsz_extra_value[j] );
+                dst->ppsz_extra_value[j] = strdup( src->ppsz_extra_value[i] );
+                break;
+            }
+        }
+        if( j >= dst->i_extra )
+            vlc_meta_AddExtra( dst, src->ppsz_extra_name[i], src->ppsz_extra_value[i] );
+    }
 }
-    /** \todo Track meta */
 
 enum {
-    ALBUM_ART_NEVER,
     ALBUM_ART_WHEN_ASKED,
     ALBUM_ART_WHEN_PLAYED,
-    ALBUM_ART_ALL };
+    ALBUM_ART_ALL
+};
 
 struct meta_export_t
 {
@@ -192,7 +234,6 @@ struct meta_export_t
 };
 
 #define VLC_META_ENGINE_TITLE           0x00000001
-#define VLC_META_ENGINE_AUTHOR          0x00000002
 #define VLC_META_ENGINE_ARTIST          0x00000004
 #define VLC_META_ENGINE_GENRE           0x00000008
 #define VLC_META_ENGINE_COPYRIGHT       0x00000010