cog/Plugins/OpenMPT.old/OpenMPT/OMPTContainer.mm

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//
// OMPTContainer.m
// OpenMPT
//
// Created by Christopher Snowhill on 1/4/18.
// Copyright 2018 __LoSnoCo__. All rights reserved.
//
#import <libOpenMPTOld/libopenmpt.hpp>
#import "OMPTContainer.h"
#import "OMPTDecoder.h"
#import "Logging.h"
@implementation OMPTOldContainer
+ (NSArray *)fileTypes {
return [OMPTOldDecoder fileTypes];
}
+ (NSArray *)mimeTypes {
return nil;
}
+ (float)priority {
return [OMPTOldDecoder priority];
}
+ (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];
std::vector<char> data(static_cast<std::size_t>(size));
[source read:data.data() amount:size];
try {
std::map<std::string, std::string> ctls;
openmpt::module *mod = new openmpt::module(data, std::clog, ctls);
NSMutableArray *tracks = [NSMutableArray array];
int i;
int subsongs = mod->get_num_subsongs();
delete mod;
for(i = 0; i < subsongs; ++i) {
[tracks addObject:[NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%i", i]]];
}
return tracks;
} catch(std::exception & /*e*/) {
return 0;
}
}
@end