playlist: add DEMUX_BY_EXTENSION_OR_BY_MIMETYPE

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

modules/demux/playlist/playlist.h

@@ -97,6 +97,15 @@ extern input_item_t * GetCurrentItem(demux_t *p_demux);
         return VLC_EGENERIC; \
     STANDARD_DEMUX_INIT_MSG( msg );
 
+#define DEMUX_BY_EXTENSION_OR_MIMETYPE( ext, mime, msg ) \
+    demux_t *p_demux = (demux_t *)p_this; \
+    char* demux_mimetype = stream_ContentType( p_demux->s ); \
+    if(!( demux_IsPathExtension( p_demux, ext ) || (demux_mimetype && !strcasecmp( mime, demux_mimetype )) )) { \
+        free( demux_mimetype ); \
+        return VLC_EGENERIC; \
+    } \
+    free( demux_mimetype ); \
+    STANDARD_DEMUX_INIT_MSG( msg );
 
 #define CHECK_PEEK( zepeek, size ) do { \
     if( stream_Peek( p_demux->s , &zepeek, size ) < size ){ \