102 lines
2.1 KiB
Objective-C
102 lines
2.1 KiB
Objective-C
//
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// jxsMetadataReader.m
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// Syntrax-c
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//
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// Created by Christopher Snowhill on 03/14/16.
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// Copyright 2016 __NoWork, Inc__. All rights reserved.
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//
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#import "jxsMetadataReader.h"
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#import "jxsDecoder.h"
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#import <Syntrax_c/syntrax.h>
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#import <Syntrax_c/file.h>
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#import "Logging.h"
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@implementation jxsMetadataReader
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+ (NSArray *)fileTypes
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{
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return [jxsDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes
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{
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return [jxsDecoder mimeTypes];
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}
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+ (float)priority
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{
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return 1.0f;
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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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void * data = malloc(size);
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[source read:data amount:size];
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Song * synSong = File_loadSongMem(data, size);
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if (!synSong)
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{
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ALog(@"Open failed for file: %@", [url absoluteString]);
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free(data);
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return nil;
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}
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free(data);
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Player * synPlayer = playerCreate(44100);
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if (!synPlayer)
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{
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ALog(@"Failed to create player for file: %@", [url absoluteString]);
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File_freeSong(synSong);
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return nil;
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}
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if (loadSong(synPlayer, synSong) < 0)
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{
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ALog(@"Load failed for file: %@", [url absoluteString]);
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playerDestroy(synPlayer);
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File_freeSong(synSong);
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return nil;
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}
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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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initSubsong(synPlayer, track_num);
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syntrax_info info;
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playerGetInfo(synPlayer, &info);
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playerDestroy(synPlayer);
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File_freeSong(synSong);
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//Some titles are all spaces?!
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NSString *title = [[NSString stringWithUTF8String: info.subsongName] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
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if (title == nil) {
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title = @"";
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}
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return [NSDictionary dictionaryWithObject:title forKey:@"title"];
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}
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@end
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