709 lines
22 KiB
Plaintext
709 lines
22 KiB
Plaintext
#import "PluginController.h"
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#import "CogPluginMulti.h"
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#import "Plugin.h"
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#import "Logging.h"
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#import "NSFileHandle+CreateFile.h"
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#import "NSDictionary+Merge.h"
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#import "RedundantPlaylistDataStore.h"
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#import <chrono>
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#import <map>
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#import <mutex>
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#import <thread>
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struct Cached_Metadata {
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std::chrono::steady_clock::time_point time_accessed;
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NSDictionary *properties;
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NSDictionary *metadata;
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Cached_Metadata()
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: properties(nil), metadata(nil) {
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}
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};
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static std::mutex Cache_Lock;
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static std::map<std::string, Cached_Metadata> Cache_List;
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static RedundantPlaylistDataStore *Cache_Data_Store = nil;
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static bool Cache_Running = false;
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static std::thread *Cache_Thread = NULL;
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static void cache_run();
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static void cache_init() {
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Cache_Data_Store = [[RedundantPlaylistDataStore alloc] init];
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Cache_Thread = new std::thread(cache_run);
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}
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static void cache_deinit() {
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Cache_Running = false;
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Cache_Thread->join();
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delete Cache_Thread;
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Cache_Data_Store = nil;
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}
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static void cache_insert_properties(NSURL *url, NSDictionary *properties) {
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std::lock_guard<std::mutex> lock(Cache_Lock);
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std::string path = [[url absoluteString] UTF8String];
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properties = [Cache_Data_Store coalesceEntryInfo:properties];
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Cached_Metadata &entry = Cache_List[path];
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entry.properties = properties;
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entry.time_accessed = std::chrono::steady_clock::now();
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}
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static void cache_insert_metadata(NSURL *url, NSDictionary *metadata) {
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std::lock_guard<std::mutex> lock(Cache_Lock);
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std::string path = [[url absoluteString] UTF8String];
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metadata = [Cache_Data_Store coalesceEntryInfo:metadata];
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Cached_Metadata &entry = Cache_List[path];
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entry.metadata = metadata;
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entry.time_accessed = std::chrono::steady_clock::now();
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}
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static NSDictionary *cache_access_properties(NSURL *url) {
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std::lock_guard<std::mutex> lock(Cache_Lock);
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std::string path = [[url absoluteString] UTF8String];
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Cached_Metadata &entry = Cache_List[path];
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if(entry.properties) {
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entry.time_accessed = std::chrono::steady_clock::now();
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return entry.properties;
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}
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return nil;
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}
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static NSDictionary *cache_access_metadata(NSURL *url) {
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std::lock_guard<std::mutex> lock(Cache_Lock);
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std::string path = [[url absoluteString] UTF8String];
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Cached_Metadata &entry = Cache_List[path];
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if(entry.metadata) {
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entry.time_accessed = std::chrono::steady_clock::now();
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return entry.metadata;
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}
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return nil;
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}
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static void cache_run() {
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std::chrono::milliseconds dura(250);
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while(Cache_Running) {
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std::chrono::steady_clock::time_point now = std::chrono::steady_clock::now();
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@autoreleasepool {
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std::lock_guard<std::mutex> lock(Cache_Lock);
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for(auto it = Cache_List.begin(); it != Cache_List.end();) {
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auto elapsed = std::chrono::duration_cast<std::chrono::seconds>(now - it->second.time_accessed);
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if(elapsed.count() >= 10) {
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it = Cache_List.erase(it);
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continue;
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}
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++it;
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}
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if(Cache_List.size() == 0)
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[Cache_Data_Store reset];
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}
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std::this_thread::sleep_for(dura);
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}
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}
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@implementation PluginController
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@synthesize sources;
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@synthesize containers;
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@synthesize metadataReaders;
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@synthesize propertiesReadersByExtension;
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@synthesize propertiesReadersByMimeType;
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@synthesize decodersByExtension;
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@synthesize decodersByMimeType;
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@synthesize configured;
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static PluginController *sharedPluginController = nil;
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+ (id<CogPluginController>)sharedPluginController {
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@synchronized(self) {
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if(sharedPluginController == nil) {
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sharedPluginController = [[self alloc] init];
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}
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}
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return sharedPluginController;
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}
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- (id)init {
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self = [super init];
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if(self) {
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self.sources = [[NSMutableDictionary alloc] init];
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self.containers = [[NSMutableDictionary alloc] init];
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self.metadataReaders = [[NSMutableDictionary alloc] init];
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self.propertiesReadersByExtension = [[NSMutableDictionary alloc] init];
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self.propertiesReadersByMimeType = [[NSMutableDictionary alloc] init];
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self.decodersByExtension = [[NSMutableDictionary alloc] init];
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self.decodersByMimeType = [[NSMutableDictionary alloc] init];
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[self setup];
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cache_init();
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}
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return self;
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}
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- (void)dealloc {
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cache_deinit();
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}
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- (void)setup {
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if(self.configured == NO) {
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self.configured = YES;
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(bundleDidLoad:) name:NSBundleDidLoadNotification object:nil];
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[self loadPlugins];
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[self printPluginInfo];
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}
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}
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- (void)bundleDidLoad:(NSNotification *)notification {
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NSArray *classNames = [[notification userInfo] objectForKey:@"NSLoadedClasses"];
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for(NSString *className in classNames) {
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Class bundleClass = NSClassFromString(className);
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if([bundleClass conformsToProtocol:@protocol(CogVersionCheck)]) {
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DLog(@"Component has version check: %@", className);
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if(![bundleClass shouldLoadForOSVersion:[[NSProcessInfo processInfo] operatingSystemVersion]]) {
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DLog(@"Plugin fails OS version check, ignoring");
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return;
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}
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}
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}
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for(NSString *className in classNames) {
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DLog(@"Class loaded: %@", className);
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Class bundleClass = NSClassFromString(className);
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if([bundleClass conformsToProtocol:@protocol(CogContainer)]) {
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[self setupContainer:className];
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}
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if([bundleClass conformsToProtocol:@protocol(CogDecoder)]) {
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[self setupDecoder:className];
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}
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if([bundleClass conformsToProtocol:@protocol(CogMetadataReader)]) {
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[self setupMetadataReader:className];
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}
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if([bundleClass conformsToProtocol:@protocol(CogPropertiesReader)]) {
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[self setupPropertiesReader:className];
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}
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if([bundleClass conformsToProtocol:@protocol(CogSource)]) {
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[self setupSource:className];
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}
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}
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}
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- (void)loadPluginsAtPath:(NSString *)path {
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NSArray *dirContents = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:nil];
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for(NSString *pname in dirContents) {
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NSString *ppath;
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ppath = [NSString pathWithComponents:@[path, pname]];
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if([[pname pathExtension] isEqualToString:@"bundle"]) {
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NSBundle *b = [NSBundle bundleWithPath:ppath];
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[b load];
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}
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}
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}
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- (void)loadPlugins {
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NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
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NSString *basePath = [[paths firstObject] stringByAppendingPathComponent:@"Cog"];
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[self loadPluginsAtPath:[[NSBundle mainBundle] builtInPlugInsPath]];
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[self loadPluginsAtPath:[basePath stringByAppendingPathComponent:@"Plugins"]];
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}
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- (void)setupContainer:(NSString *)className {
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Class container = NSClassFromString(className);
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if(container && [container respondsToSelector:@selector(fileTypes)]) {
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for(id fileType in [container fileTypes]) {
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NSString *ext = [fileType lowercaseString];
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NSMutableArray *containerSet;
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if(![containers objectForKey:ext]) {
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containerSet = [[NSMutableArray alloc] init];
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[containers setObject:containerSet forKey:ext];
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} else
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containerSet = [containers objectForKey:ext];
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[containerSet addObject:className];
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}
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}
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}
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- (void)setupDecoder:(NSString *)className {
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Class decoder = NSClassFromString(className);
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if(decoder && [decoder respondsToSelector:@selector(fileTypes)]) {
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for(id fileType in [decoder fileTypes]) {
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NSString *ext = [fileType lowercaseString];
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NSMutableArray *decoders;
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if(![decodersByExtension objectForKey:ext]) {
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decoders = [[NSMutableArray alloc] init];
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[decodersByExtension setObject:decoders forKey:ext];
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} else
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decoders = [decodersByExtension objectForKey:ext];
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[decoders addObject:className];
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}
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}
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if(decoder && [decoder respondsToSelector:@selector(mimeTypes)]) {
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for(id mimeType in [decoder mimeTypes]) {
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NSString *mimetype = [mimeType lowercaseString];
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NSMutableArray *decoders;
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if(![decodersByMimeType objectForKey:mimetype]) {
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decoders = [[NSMutableArray alloc] init];
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[decodersByMimeType setObject:decoders forKey:mimetype];
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} else
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decoders = [decodersByMimeType objectForKey:mimetype];
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[decoders addObject:className];
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}
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}
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}
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- (void)setupMetadataReader:(NSString *)className {
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Class metadataReader = NSClassFromString(className);
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if(metadataReader && [metadataReader respondsToSelector:@selector(fileTypes)]) {
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for(id fileType in [metadataReader fileTypes]) {
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NSString *ext = [fileType lowercaseString];
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NSMutableArray *readers;
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if(![metadataReaders objectForKey:ext]) {
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readers = [[NSMutableArray alloc] init];
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[metadataReaders setObject:readers forKey:ext];
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} else
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readers = [metadataReaders objectForKey:ext];
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[readers addObject:className];
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}
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}
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}
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- (void)setupPropertiesReader:(NSString *)className {
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Class propertiesReader = NSClassFromString(className);
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if(propertiesReader && [propertiesReader respondsToSelector:@selector(fileTypes)]) {
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for(id fileType in [propertiesReader fileTypes]) {
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NSString *ext = [fileType lowercaseString];
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NSMutableArray *readers;
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if(![propertiesReadersByExtension objectForKey:ext]) {
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readers = [[NSMutableArray alloc] init];
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[propertiesReadersByExtension setObject:readers forKey:ext];
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} else
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readers = [propertiesReadersByExtension objectForKey:ext];
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[readers addObject:className];
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}
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}
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if(propertiesReader && [propertiesReader respondsToSelector:@selector(mimeTypes)]) {
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for(id mimeType in [propertiesReader mimeTypes]) {
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NSString *mimetype = [mimeType lowercaseString];
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NSMutableArray *readers;
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if(![propertiesReadersByMimeType objectForKey:mimetype]) {
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readers = [[NSMutableArray alloc] init];
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[propertiesReadersByMimeType setObject:readers forKey:mimetype];
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} else
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readers = [propertiesReadersByMimeType objectForKey:mimetype];
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[readers addObject:className];
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}
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}
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}
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- (void)setupSource:(NSString *)className {
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Class source = NSClassFromString(className);
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if(source && [source respondsToSelector:@selector(schemes)]) {
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for(id scheme in [source schemes]) {
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[sources setObject:className forKey:scheme];
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}
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}
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}
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- (void)printPluginInfo {
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ALog(@"Sources: %@", self.sources);
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ALog(@"Containers: %@", self.containers);
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ALog(@"Metadata Readers: %@", self.metadataReaders);
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ALog(@"Properties Readers By Extension: %@", self.propertiesReadersByExtension);
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ALog(@"Properties Readers By Mime Type: %@", self.propertiesReadersByMimeType);
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ALog(@"Decoders by Extension: %@", self.decodersByExtension);
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ALog(@"Decoders by Mime Type: %@", self.decodersByMimeType);
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#if 0
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// XXX Keep in sync with Info.plist on disk!
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NSString * plistHeader = @"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
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<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n\
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<plist version=\"1.0\">\n\
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<dict>\n\
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\t<key>CFBundleDevelopmentRegion</key>\n\
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\t<string>English</string>\n\
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\t<key>CFBundleDocumentTypes</key>\n\
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\t<array>\n\
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\t\t<dict>\n\
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\t\t\t<key>CFBundleTypeExtensions</key>\n\
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\t\t\t<array>\n\
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\t\t\t\t<string>*</string>\n\
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\t\t\t</array>\n\
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\t\t\t<key>CFBundleTypeIconFile</key>\n\
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\t\t\t<string>song.icns</string>\n\
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\t\t\t<key>CFBundleTypeIconSystemGenerated</key>\n\
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\t\t\t<integer>1</integer>\n\
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\t\t\t<key>CFBundleTypeOSTypes</key>\n\
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\t\t\t<array>\n\
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\t\t\t\t<string>****</string>\n\
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\t\t\t\t<string>fold</string>\n\
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\t\t\t\t<string>disk</string>\n\
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\t\t\t</array>\n\
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\t\t\t<key>CFBundleTypeRole</key>\n\
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\t\t\t<string>None</string>\n\
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\t\t\t<key>LSHandlerRank</key>\n\
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\t\t\t<string>Default</string>\n\
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\t\t</dict>\n";
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NSString * plistFooter = @"\t</array>\n\
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\t<key>CFBundleExecutable</key>\n\
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\t<string>Cog</string>\n\
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\t<key>CFBundleHelpBookFolder</key>\n\
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\t<string>Cog.help</string>\n\
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\t<key>CFBundleHelpBookName</key>\n\
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\t<string>org.cogx.cog.help</string>\n\
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\t<key>CFBundleIdentifier</key>\n\
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\t<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>\n\
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\t<key>CFBundleInfoDictionaryVersion</key>\n\
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\t<string>6.0</string>\n\
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\t<key>CFBundlePackageType</key>\n\
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\t<string>APPL</string>\n\
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\t<key>CFBundleShortVersionString</key>\n\
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\t<string>0.08</string>\n\
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\t<key>CFBundleSignature</key>\n\
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\t<string>????</string>\n\
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\t<key>CFBundleVersion</key>\n\
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\t<string>r516</string>\n\
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\t<key>LSApplicationCategoryType</key>\n\
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\t<string>public.app-category.music</string>\n\
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\t<key>LSMinimumSystemVersion</key>\n\
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\t<string>$(MACOSX_DEPLOYMENT_TARGET)</string>\n\
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\t<key>NSAppTransportSecurity</key>\n\
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\t<dict>\n\
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\t\t<key>NSAllowsArbitraryLoads</key>\n\
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\t\t<true/>\n\
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\t</dict>\n\
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\t<key>NSAppleScriptEnabled</key>\n\
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\t<string>YES</string>\n\
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\t<key>NSCalendarsUsageDescription</key>\n\
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\t<string>Cog has no use for your calendar information. Why are you trying to open your Calendar with an audio player?</string>\n\
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\t<key>NSCameraUsageDescription</key>\n\
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\t<string>Cog is an audio player. It will never use your camera. Why is it asking for permission to use your camera?</string>\n\
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\t<key>NSContactsUsageDescription</key>\n\
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\t<string>Cog has no use for your contacts information. Why are you trying to open your contacts with an audio player?</string>\n\
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\t<key>NSLocationUsageDescription</key>\n\
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\t<string>Cog has no use for your location information. Something is obviously wrong with the application.</string>\n\
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\t<key>NSMainNibFile</key>\n\
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\t<string>MainMenu</string>\n\
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\t<key>NSMicrophoneUsageDescription</key>\n\
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\t<string>Cog is an audio player. It does not, however, record audio. Why is it asking for permission to use your microphone?</string>\n\
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\t<key>NSPhotoLibraryUsageDescription</key>\n\
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\t<string>Cog is an audio player. Why are you trying to access your Photos Library with an audio player?</string>\n\
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\t<key>NSPrincipalClass</key>\n\
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\t<string>MediaKeysApplication</string>\n\
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\t<key>NSRemindersUsageDescription</key>\n\
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\t<string>Cog has no use for your reminders. Why are you trying to access them with an audio player?</string>\n\
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\t<key>OSAScriptingDefinition</key>\n\
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\t<string>Cog.sdef</string>\n\
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\t<key>SUFeedURL</key>\n\
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\t<string>https://cogcdn.cog.losno.co/mercury.xml</string>\n\
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\t<key>SUPublicEDKey</key>\n\
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\t<string>omxG7Rp0XK9/YEvKbVy7cd44eVAh1LJB6CmjQwjOJz4=</string>\n\
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</dict>\n\
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</plist>\n";
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NSMutableArray * decodersRegistered = [[NSMutableArray alloc] init];
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NSArray * allKeys = [self.decodersByExtension allKeys];
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for (NSString * ext in allKeys) {
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NSArray * decoders = [self.decodersByExtension objectForKey:ext];
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for (NSString * decoder in decoders) {
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if (![decodersRegistered containsObject:decoder]) {
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[decodersRegistered addObject:decoder];
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}
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}
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}
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NSMutableArray * stringList = [[NSMutableArray alloc] init];
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[stringList addObject:plistHeader];
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// These aren't handled by decoders, but as containers
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NSArray * staticTypes = @[
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@[@"M3U Playlist File", @"m3u.icns", @"m3u", @"m3u8"],
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@[@"PLS Playlist File", @"pls.icns", @"pls"],
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@[@"RAR Archive of SPC Files", @"vg.icns", @"rsn"],
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@[@"7Z Archive of VGM Files", @"vg.icns", @"vgm7z"]
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];
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NSMutableArray * assocTypes = [[NSMutableArray alloc] init];
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[assocTypes addObjectsFromArray:staticTypes];
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for (NSString * decoderString in decodersRegistered) {
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Class decoder = NSClassFromString(decoderString);
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if (decoder && [decoder respondsToSelector:@selector(fileTypeAssociations)]) {
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NSArray * types = [decoder fileTypeAssociations];
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[assocTypes addObjectsFromArray:types];
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}
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}
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for (NSArray * type in assocTypes) {
|
|
[stringList addObject:@"\t\t<dict>\n\
|
|
\t\t\t<key>CFBundleTypeExtensions</key>\n\
|
|
\t\t\t<array>\n\
|
|
"];
|
|
for (size_t i = 2; i < [type count]; ++i) {
|
|
[stringList addObject:@"\t\t\t\t<string>"];
|
|
[stringList addObject:[[type objectAtIndex:i] lowercaseString]];
|
|
[stringList addObject:@"</string>\n"];
|
|
}
|
|
[stringList addObject:@"\t\t\t</array>\n\
|
|
\t\t\t<key>CFBundleTypeIconFile</key>\n\
|
|
\t\t\t<string>"];
|
|
[stringList addObject:[type objectAtIndex:1]];
|
|
[stringList addObject:@"</string>\n\
|
|
\t\t\t<key>CFBundleTypeIconSystemGenerated</key>\n\
|
|
\t\t\t<integer>1</integer>\n\
|
|
\t\t\t<key>CFBundleTypeName</key>\n\
|
|
\t\t\t<string>"];
|
|
[stringList addObject:[type objectAtIndex:0]];
|
|
[stringList addObject:@"</string>\n\
|
|
\t\t\t<key>CFBundleTypeRole</key>\n\
|
|
\t\t\t<string>Viewer</string>\n\
|
|
\t\t\t<key>LSHandlerRank</key>\n\
|
|
\t\t\t<string>Default</string>\n\
|
|
\t\t\t<key>LSTypeIsPackage</key>\n\
|
|
\t\t\t<false/>\n\
|
|
\t\t</dict>\n"];
|
|
}
|
|
|
|
[stringList addObject:plistFooter];
|
|
|
|
NSFileHandle *fileHandle = [NSFileHandle fileHandleForWritingAtPath:@"/tmp/Cog_Info.plist" createFile:YES];
|
|
if (!fileHandle) {
|
|
DLog(@"Error saving Info.plist!");
|
|
return;
|
|
}
|
|
[fileHandle truncateFileAtOffset:0];
|
|
[fileHandle writeData:[[stringList componentsJoinedByString:@""] dataUsingEncoding:NSUTF8StringEncoding]];
|
|
[fileHandle closeFile];
|
|
#endif
|
|
}
|
|
|
|
- (id<CogSource>)audioSourceForURL:(NSURL *)url {
|
|
NSString *scheme = [url scheme];
|
|
|
|
Class source = NSClassFromString([sources objectForKey:scheme]);
|
|
|
|
return [[source alloc] init];
|
|
}
|
|
|
|
- (NSArray *)urlsForContainerURL:(NSURL *)url {
|
|
NSString *ext = [url pathExtension];
|
|
NSArray *containerSet = [containers objectForKey:[ext lowercaseString]];
|
|
NSString *classString;
|
|
if(containerSet) {
|
|
if([containerSet count] > 1) {
|
|
return [CogContainerMulti urlsForContainerURL:url containers:containerSet];
|
|
} else {
|
|
classString = [containerSet objectAtIndex:0];
|
|
}
|
|
} else {
|
|
return nil;
|
|
}
|
|
|
|
Class container = NSClassFromString(classString);
|
|
|
|
return [container urlsForContainerURL:url];
|
|
}
|
|
|
|
// Note: Source is assumed to already be opened.
|
|
- (id<CogDecoder>)audioDecoderForSource:(id<CogSource>)source skipCue:(BOOL)skip {
|
|
NSString *ext = [[source url] pathExtension];
|
|
NSArray *decoders = [decodersByExtension objectForKey:[ext lowercaseString]];
|
|
NSString *classString;
|
|
if(decoders) {
|
|
if([decoders count] > 1) {
|
|
if(skip) {
|
|
NSMutableArray *_decoders = [decoders mutableCopy];
|
|
for(int i = 0; i < [_decoders count];) {
|
|
if([[_decoders objectAtIndex:i] isEqualToString:@"CueSheetDecoder"])
|
|
[_decoders removeObjectAtIndex:i];
|
|
else
|
|
++i;
|
|
}
|
|
return [[CogDecoderMulti alloc] initWithDecoders:_decoders];
|
|
}
|
|
return [[CogDecoderMulti alloc] initWithDecoders:decoders];
|
|
} else {
|
|
classString = [decoders objectAtIndex:0];
|
|
}
|
|
} else {
|
|
decoders = [decodersByMimeType objectForKey:[[source mimeType] lowercaseString]];
|
|
if(decoders) {
|
|
if([decoders count] > 1) {
|
|
return [[CogDecoderMulti alloc] initWithDecoders:decoders];
|
|
} else {
|
|
classString = [decoders objectAtIndex:0];
|
|
}
|
|
} else {
|
|
classString = @"SilenceDecoder";
|
|
}
|
|
}
|
|
|
|
Class decoder = NSClassFromString(classString);
|
|
|
|
return [[decoder alloc] init];
|
|
}
|
|
|
|
- (NSDictionary *)metadataForURL:(NSURL *)url skipCue:(BOOL)skip {
|
|
NSString *urlScheme = [url scheme];
|
|
if([urlScheme isEqualToString:@"http"] ||
|
|
[urlScheme isEqualToString:@"https"])
|
|
return nil;
|
|
|
|
NSDictionary *cacheData = cache_access_metadata(url);
|
|
if(cacheData) return cacheData;
|
|
|
|
NSString *ext = [url pathExtension];
|
|
NSArray *readers = [metadataReaders objectForKey:[ext lowercaseString]];
|
|
NSString *classString;
|
|
if(readers) {
|
|
if([readers count] > 1) {
|
|
if(skip) {
|
|
NSMutableArray *_readers = [readers mutableCopy];
|
|
for(int i = 0; i < [_readers count];) {
|
|
if([[_readers objectAtIndex:i] isEqualToString:@"CueSheetMetadataReader"])
|
|
[_readers removeObjectAtIndex:i];
|
|
else
|
|
++i;
|
|
}
|
|
cacheData = [CogMetadataReaderMulti metadataForURL:url readers:_readers];
|
|
cache_insert_metadata(url, cacheData);
|
|
return cacheData;
|
|
}
|
|
cacheData = [CogMetadataReaderMulti metadataForURL:url readers:readers];
|
|
cache_insert_metadata(url, cacheData);
|
|
return cacheData;
|
|
} else {
|
|
classString = [readers objectAtIndex:0];
|
|
}
|
|
} else {
|
|
return nil;
|
|
}
|
|
|
|
Class metadataReader = NSClassFromString(classString);
|
|
|
|
cacheData = [metadataReader metadataForURL:url];
|
|
cache_insert_metadata(url, cacheData);
|
|
return cacheData;
|
|
}
|
|
|
|
// If no properties reader is defined, use the decoder's properties.
|
|
- (NSDictionary *)propertiesForURL:(NSURL *)url skipCue:(BOOL)skip {
|
|
NSString *urlScheme = [url scheme];
|
|
if([urlScheme isEqualToString:@"http"] ||
|
|
[urlScheme isEqualToString:@"https"])
|
|
return nil;
|
|
|
|
NSDictionary *properties = nil;
|
|
|
|
properties = cache_access_properties(url);
|
|
if(properties) return properties;
|
|
|
|
NSString *ext = [url pathExtension];
|
|
|
|
id<CogSource> source = [self audioSourceForURL:url];
|
|
if(![source open:url])
|
|
return nil;
|
|
|
|
NSArray *readers = [propertiesReadersByExtension objectForKey:[ext lowercaseString]];
|
|
NSString *classString = nil;
|
|
if(readers) {
|
|
if([readers count] > 1) {
|
|
properties = [CogPropertiesReaderMulti propertiesForSource:source readers:readers];
|
|
if(properties != nil && [properties count]) {
|
|
cache_insert_properties(url, properties);
|
|
return properties;
|
|
}
|
|
} else {
|
|
classString = [readers objectAtIndex:0];
|
|
}
|
|
} else {
|
|
readers = [propertiesReadersByMimeType objectForKey:[[source mimeType] lowercaseString]];
|
|
if(readers) {
|
|
if([readers count] > 1) {
|
|
properties = [CogPropertiesReaderMulti propertiesForSource:source readers:readers];
|
|
if(properties != nil && [properties count]) {
|
|
cache_insert_properties(url, properties);
|
|
return properties;
|
|
}
|
|
} else {
|
|
classString = [readers objectAtIndex:0];
|
|
}
|
|
}
|
|
}
|
|
|
|
if(classString) {
|
|
Class propertiesReader = NSClassFromString(classString);
|
|
|
|
properties = [propertiesReader propertiesForSource:source];
|
|
if(properties != nil && [properties count]) {
|
|
cache_insert_properties(url, properties);
|
|
return properties;
|
|
}
|
|
}
|
|
|
|
{
|
|
id<CogDecoder> decoder = [self audioDecoderForSource:source skipCue:skip];
|
|
if(![decoder open:source]) {
|
|
return nil;
|
|
}
|
|
|
|
NSDictionary *properties = [decoder properties];
|
|
NSDictionary *metadata = [decoder metadata];
|
|
|
|
[decoder close];
|
|
|
|
NSDictionary *cacheData = [NSDictionary dictionaryByMerging:properties with:metadata];
|
|
cache_insert_properties(url, cacheData);
|
|
return cacheData;
|
|
}
|
|
}
|
|
|
|
- (int)putMetadataInURL:(NSURL *)url {
|
|
return 0;
|
|
}
|
|
|
|
@end
|