83 lines
1.3 KiB
Objective-C
83 lines
1.3 KiB
Objective-C
//
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// InputNode.m
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// Cog
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//
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// Created by Zaphod Beeblebrox on 8/2/05.
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// Copyright 2005 __MyCompanyName__. All rights reserved.
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//
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#import "InputNode.h"
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@implementation InputNode
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- (BOOL)open:(NSString *)filename
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{
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NSLog(@"Opening: %@", filename);
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soundFile = [SoundFile open:filename];
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if (soundFile == nil)
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return NO;
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/* while (soundFile == nil)
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{
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NSString *nextSong = [controller invalidSoundFile];
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if (nextSong == nil)
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return NO;
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soundFile = [SoundFile open:nextSong];
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}
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*/
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[soundFile getFormat:&format];
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shouldContinue = YES;
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shouldSeek = NO;
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return YES;
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}
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- (void)process
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{
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const int chunk_size = CHUNK_SIZE;
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char *buf;
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int amountRead;
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DBLog(@"Playing file.\n");
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buf = malloc(chunk_size);
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while ([self shouldContinue] == YES && [self endOfStream] == NO)
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{
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if (shouldSeek == YES)
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{
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NSLog(@"Actually seeking");
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[soundFile seekToTime:seekTime];
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shouldSeek = NO;
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}
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amountRead = [soundFile fillBuffer:buf ofSize: chunk_size];
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if (amountRead <= 0)
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{
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endOfStream = YES;
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DBLog(@"END OF INPUT WAS REACHED");
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[controller endOfInputReached];
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break; //eof
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}
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[self writeData:buf amount:amountRead];
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}
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free(buf);
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[soundFile close];
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}
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- (void)seek:(double)time
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{
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NSLog(@"SEEKING WEEE");
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seekTime = time;
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shouldSeek = YES;
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}
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- (AudioStreamBasicDescription) format
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{
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return format;
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}
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@end
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