cog/Plugins/Dumb/DumbMetadataReader.m

77 lines
1.6 KiB
Objective-C

//
// DumbMetadataReader.m
// Dumb
//
// Created by Vincent Spader on 10/12/07.
// Copyright 2007 __MyCompanyName__. All rights reserved.
//
#import "DumbMetadataReader.h"
#import "DumbDecoder.h"
#import <Dumb/dumb.h>
#import "Logging.H"
@implementation DumbMetadataReader
+ (NSArray *)fileTypes
{
return [DumbDecoder fileTypes];
}
+ (NSArray *)mimeTypes
{
return [DumbDecoder mimeTypes];
}
+ (NSDictionary *)metadataForURL:(NSURL *)url
{
id audioSourceClass = NSClassFromString(@"AudioSource");
id<CogSource> source = [audioSourceClass audioSourceForURL:url];
if (![source open:url])
return 0;
if (![source seekable])
return 0;
[source seek:0 whence:SEEK_END];
long size = [source tell];
[source seek:0 whence:SEEK_SET];
void * data = malloc(size);
[source read:data amount:size];
DUMBFILE * df = dumbfile_open_memory_and_free( data, size );
if (!df)
{
ALog(@"Open failed for file: %@", [url absoluteString]);
return NO;
}
DUH *duh;
NSString *ext = [[[url path] pathExtension] lowercaseString];
duh = dumb_read_any_quick(df, [ext isEqualToString:@"mod"] ? 0 : 1, 0);
dumbfile_close(df);
if (!duh)
{
ALog(@"Failed to create duh");
return nil;
}
//Some titles are all spaces?!
NSString *title = [[NSString stringWithUTF8String: duh_get_tag(duh, "TITLE")] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
unload_duh(duh);
if (title == nil) {
title = @"";
}
return [NSDictionary dictionaryWithObject:title forKey:@"title"];
}
@end