cog/Plugins/Dumb/DumbContainer.m

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//
// DumbContainer.m
// Dumb
//
// Created by Christopher Snowhill on 10/4/13.
// Copyright 2013 __NoWork, Inc__. All rights reserved.
//
#import <Dumb/dumb.h>
#import "DumbContainer.h"
#import "DumbDecoder.h"
#import "Logging.h"
@interface DumbCallbackData : NSObject {
@public
NSString *baseUrl;
@public
NSMutableArray *tracks;
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}
@end
@implementation DumbCallbackData
@end
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@implementation DumbContainer
+ (NSArray *)fileTypes {
return [DumbDecoder fileTypes];
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}
+ (NSArray *)mimeTypes {
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return nil;
}
+ (float)priority {
return 1.0f;
}
int scanCallback(void *data, int startOrder, long length) {
NSObject *_cbData = (__bridge NSObject *)(data);
DumbCallbackData *cbData = (id)_cbData;
[cbData->tracks addObject:[NSURL URLWithString:[cbData->baseUrl stringByAppendingFormat:@"#%i", startOrder]]];
return 0;
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}
+ (NSArray *)urlsForContainerURL:(NSURL *)url {
if([url fragment]) {
// input url already has fragment defined - no need to expand further
return [NSMutableArray arrayWithObject: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]);
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return NO;
}
NSMutableArray *tracks = [NSMutableArray array];
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int i;
int subsongs = dumb_get_psm_subsong_count(df);
if(subsongs) {
dumbfile_close(df);
for(i = 0; i < subsongs; ++i) {
[tracks addObject:[NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%i", i]]];
}
} else {
dumbfile_seek(df, 0, SEEK_SET);
DUH *duh;
NSString *ext = [[url pathExtension] lowercaseString];
duh = dumb_read_any_quick(df, [ext isEqualToString:@"mod"] ? 0 : 1, 0);
dumbfile_close(df);
if(duh) {
DumbCallbackData *data = [[DumbCallbackData alloc] init];
data->baseUrl = [url absoluteString];
data->tracks = tracks;
dumb_it_scan_for_playable_orders(duh_get_it_sigdata(duh), scanCallback, (__bridge void *)data);
}
}
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return tracks;
}
@end