media discoverer: expose list of available discoverers

Headers/Public/VLCMediaDiscoverer.h

@@ -31,6 +31,20 @@
 @class VLCMediaList;
 @class VLCMediaDiscoverer;
 
+
+typedef NS_ENUM(unsigned, VLCMediaDiscovererCategoryType)
+{
+    VLCMediaDiscovererCategoryTypeDevices = 0,
+    VLCMediaDiscovererCategoryTypeLAN,
+    VLCMediaDiscovererCategoryTypePodcasts,
+    VLCMediaDiscovererCategoryTypeLocalDirectories
+};
+
+/* discoverer keys */
+extern NSString *const VLCMediaDiscovererName;
+extern NSString *const VLCMediaDiscovererLongName;
+extern NSString *const VLCMediaDiscovererCategory;
+
 /**
  * VLCMediaDiscoverer
  */
@@ -44,6 +58,12 @@
  */
 + (NSArray *)availableMediaDiscoverer __attribute__((deprecated));
 
+/**
+ * \param The VLCMediaDiscovererCategory you are looking for
+ * \return returns an array of dictionaries describing the available discoverers for the requested type
+ */
++ (NSArray *)availableMediaDiscovererForCategoryType:(VLCMediaDiscovererCategoryType)categoryType;
+
 /* Initializers */
 /**
  * Initializes new object with specified name.

NEWS

@@ -43,11 +43,16 @@ New APIs:
 - VLCDialogProvider
   - new class to handle user interaction with VLC events
 
+- VLCMediaDiscoverer
+  - added selector: availableMediaDiscovererForCategoryType:
+
 Deprecated APIs:
 - VLCMediaPlayer
   - titles, chaptersForTitleIndex:, countOfTitles, framesPerSecond
 - VLCAudio
   - setMute:
+- VLCMediaDiscoverer
+  - availableMediaDiscoverer
 
 Removed APIs:
 - VLCMedia:

Sources/VLCMediaDiscoverer.m

@@ -32,6 +32,10 @@
 #include <vlc/libvlc.h>
 #include <vlc/libvlc_media_discoverer.h>
 
+NSString *const VLCMediaDiscovererName = @"VLCMediaDiscovererName";
+NSString *const VLCMediaDiscovererLongName = @"VLCMediaDiscovererLongName";
+NSString *const VLCMediaDiscovererCategory = @"VLCMediaDiscovererCategory";
+
 @interface VLCMediaDiscoverer ()
 {
     NSString *_localizedName;
@@ -50,6 +54,33 @@
     return @[];
 }
 
++ (NSArray *)availableMediaDiscovererForCategoryType:(VLCMediaDiscovererCategoryType)categoryType
+{
+    libvlc_media_discoverer_description **discoverers;
+    unsigned numberOfDiscoverers = libvlc_media_discoverer_list_get([VLCLibrary sharedInstance], categoryType, &discoverers);
+
+    if (numberOfDiscoverers == 0) {
+        libvlc_media_discoverer_list_release(discoverers, numberOfDiscoverers);
+        return @[];
+    }
+
+    NSMutableArray *mutArray = [NSMutableArray arrayWithCapacity:numberOfDiscoverers];
+    for (unsigned u = 0; u < numberOfDiscoverers; u++) {
+        NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
+                              discoverers[u]->psz_name ? [NSString stringWithUTF8String:discoverers[u]->psz_name] : @"",
+                              VLCMediaDiscovererName,
+                              discoverers[u]->psz_longname ? [NSString stringWithUTF8String:discoverers[u]->psz_longname] : @"",
+                              VLCMediaDiscovererLongName,
+                              @(discoverers[u]->i_cat),
+                              VLCMediaDiscovererCategory,
+                              nil];
+        [mutArray addObject:dict];
+    }
+
+    libvlc_media_discoverer_list_release(discoverers, numberOfDiscoverers);
+    return [mutArray copy];
+}
+
 - (instancetype)initWithName:(NSString *)aServiceName
 {
     return [self initWithName:aServiceName libraryInstance:nil];