103 lines
2.8 KiB
Plaintext
103 lines
2.8 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 <libOpenMPTOld/libopenmpt.hpp>
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#import "Logging.H"
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@implementation OMPTOldMetadataReader
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+ (NSArray *)fileTypes
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{
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return [OMPTOldDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes
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{
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return [OMPTOldDecoder mimeTypes];
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}
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+ (float)priority
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{
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return [OMPTOldDecoder priority];
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}
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+ (NSDictionary *)metadataForURL:(NSURL *)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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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 [NSDictionary dictionaryWithObjectsAndKeys:title, @"title", artist, @"artist", /*comment, @"comment",*/ date, @"year", type, @"codec", nil];
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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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