96 lines
2.1 KiB
Objective-C
96 lines
2.1 KiB
Objective-C
//
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// VGMContainer.m
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// VGMStream
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//
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// Created by Christopher Snowhill on 9/1/17.
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// Copyright 2017 __LoSnoCo__. All rights reserved.
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//
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#import "VGMContainer.h"
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#import "VGMDecoder.h"
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#import "VGMInterface.h"
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#import "Logging.h"
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@implementation VGMContainer
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+ (void)initialize {
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register_log_callback();
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}
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+ (NSArray *)fileTypes {
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return [VGMDecoder 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 [VGMDecoder priority];
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}
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+ (NSArray *)urlsForContainerURL:(NSURL *)url {
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NSString *path = [[url absoluteString] stringByRemovingPercentEncoding];
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if([url fragment]) {
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// input url might be a TXTP with fragment parameters, in which case
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// we need to parse that anyway
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NSString *frag = [url fragment];
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NSUInteger len = [frag length];
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if(len < 5 || ![[frag substringFromIndex:len - 5] isEqualToString:@".txtp"]) {
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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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path = [path stringByAppendingFormat:@"%%23%@", frag];
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url = [NSURL fileURLWithPath:[path stringByRemovingPercentEncoding]];
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}
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VGMSTREAM *stream = init_vgmstream_from_cogfile([path UTF8String], 0);
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if(!stream) {
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ALog(@"Open failed for file: %@", [url absoluteString]);
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return @[];
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}
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if(stream->stream_index > 0) {
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close_vgmstream(stream);
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return @[];
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}
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VGMInfoCache *sharedMyCache = [VGMInfoCache sharedCache];
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NSMutableArray *tracks = [NSMutableArray array];
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NSURL *trackurl;
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int i;
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int subsongs = stream->num_streams;
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if(subsongs == 0)
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subsongs = 1;
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{
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trackurl = [NSURL URLWithString:[[url absoluteString] stringByAppendingString:@"#1"]];
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[sharedMyCache stuffURL:trackurl stream:stream];
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[tracks addObject:trackurl];
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}
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for(i = 2; i <= subsongs; ++i) {
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close_vgmstream(stream);
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stream = init_vgmstream_from_cogfile([path UTF8String], i);
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if(!stream)
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return @[];
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trackurl = [NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%i", i]];
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[sharedMyCache stuffURL:trackurl stream:stream];
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[tracks addObject:trackurl];
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}
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close_vgmstream(stream);
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return tracks;
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}
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@end
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