2013-10-04 23:34:29 +00:00
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//
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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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2013-10-11 12:03:55 +00:00
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#import "Logging.h"
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2013-10-04 23:34:29 +00:00
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@implementation DumbContainer
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+ (NSArray *)fileTypes
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{
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return [DumbDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes
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{
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return nil;
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}
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struct callbackData
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{
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NSString * baseUrl;
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NSMutableArray * tracks;
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};
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int scanCallback(void *data, int startOrder, long length)
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{
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struct callbackData * cbData = ( struct callbackData * ) data;
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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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{
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2013-10-11 12:41:36 +00:00
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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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2013-10-04 23:34:29 +00:00
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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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2013-10-05 02:25:45 +00:00
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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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2013-10-04 23:34:29 +00:00
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2013-10-05 02:25:45 +00:00
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DUMBFILE * df = dumbfile_open_memory_and_free( data, size );
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2013-10-04 23:34:29 +00:00
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if (!df)
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{
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2013-10-11 12:03:55 +00:00
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ALog(@"Open failed for file: %@", [url absoluteString]);
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2013-10-04 23:34:29 +00:00
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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 path] 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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struct callbackData data = { [url absoluteString], tracks };
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dumb_it_scan_for_playable_orders( duh_get_it_sigdata( duh ), scanCallback, &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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