84 lines
1.3 KiB
Mathematica
84 lines
1.3 KiB
Mathematica
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// OutputController.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 "OutputNode.h"
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#import "OutputCoreAudio.h"
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@implementation OutputNode
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- (void)setup
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{
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output = [[OutputCoreAudio alloc] initWithController:self];
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[output setup];
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}
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- (void)process
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{
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[output start];
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}
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- (int)readData:(void *)ptr amount:(int)amount
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{
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int n;
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previousNode = [[controller bufferChain] finalNode];
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n = [super readData:ptr amount:amount];
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if ((n == 0) && (endOfInput == YES))
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{
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endOfInput = NO;
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shouldContinue = YES;
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NSLog(@"DONE IN");
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return 0;
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}
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void *tempPtr;
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if (([[[[controller bufferChain] finalNode] buffer] lengthAvailableToReadReturningPointer:&tempPtr] == 0) && ([[[controller bufferChain] finalNode] endOfInput] == YES))
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{
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NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
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NSLog(@"END OF OUTPUT INPUT?!");
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[controller endOfInputPlayed];
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endOfInput = YES;
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[pool release];
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return n + [self readData:&ptr[n] amount:(amount-n)];
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}
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return n;
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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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- (void)setFormat:(AudioStreamBasicDescription *)f
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{
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format = *f;
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}
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- (void)setVolume:(double) v
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{
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[output setVolume:v];
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}
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- (void)setShouldContinue:(BOOL)s
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{
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[super setShouldContinue:s];
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if (s == NO)
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[output stop];
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}
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@end
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