99 lines
2.3 KiB
Plaintext
99 lines
2.3 KiB
Plaintext
//
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// OMPTMetadataReader.m
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// OpenMPT
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//
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// Created by Christopher Snowhill on 1/4/18.
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// Copyright 2018 __LoSnoCo__. All rights reserved.
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//
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#import "OMPTMetadataReader.h"
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#import "OMPTDecoder.h"
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#import <libOpenMPT/libopenmpt.hpp>
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#import "Logging.H"
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@implementation OMPTMetadataReader
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+ (NSArray *)fileTypes {
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return [OMPTDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes {
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return [OMPTDecoder mimeTypes];
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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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+ (NSDictionary *)metadataForURL:(NSURL *)url {
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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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std::vector<char> data(static_cast<std::size_t>(size));
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[source read:data.data() amount:size];
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int track_num;
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if([[url fragment] length] == 0)
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track_num = 0;
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else
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track_num = [[url fragment] intValue];
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try {
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std::map<std::string, std::string> ctls;
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openmpt::module *mod = new openmpt::module(data, std::clog, ctls);
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NSString *title = nil;
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NSString *artist = nil;
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// NSString * comment = nil;
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NSString *date = nil;
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NSString *type = nil;
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std::vector<std::string> keys = mod->get_metadata_keys();
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for(std::vector<std::string>::iterator key = keys.begin(); key != keys.end(); ++key) {
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if(*key == "title")
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title = [NSString stringWithUTF8String:mod->get_metadata(*key).c_str()];
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else if(*key == "artist")
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artist = [NSString stringWithUTF8String:mod->get_metadata(*key).c_str()];
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/*else if ( *key == "message" )
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comment = [NSString stringWithUTF8String: mod->get_metadata( *key ).c_str()];*/
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else if(*key == "date")
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date = [NSString stringWithUTF8String:mod->get_metadata(*key).c_str()];
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else if(*key == "type_long")
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type = [NSString stringWithUTF8String:mod->get_metadata(*key).c_str()];
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}
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delete mod;
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if(title == nil)
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title = @"";
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if(artist == nil)
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artist = @"";
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/*if (comment == nil)
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comment = @"";*/
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if(date == nil)
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date = @"";
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if(type == nil)
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type = @"";
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return @{@"title": title, @"artist": artist, /*@"comment": comment,*/ @"year": [NSNumber numberWithInt:[date intValue]], @"codec": type};
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} catch(std::exception & /*e*/) {
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return 0;
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}
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}
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@end
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