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