124 lines
2.2 KiB
Objective-C
124 lines
2.2 KiB
Objective-C
//
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// BufferChain.m
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// CogNew
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//
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// Created by Vincent Spader on 1/4/06.
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// Copyright 2006 Vincent Spader. All rights reserved.
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//
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#import "BufferChain.h"
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#import "OutputNode.h"
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@implementation BufferChain
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- (id)initWithController:(id)c
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{
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self = [super init];
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if (self)
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{
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soundController = c;
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playlistEntry = nil;
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inputNode = nil;
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converterNode = nil;
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}
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return self;
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}
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- (void)buildChain
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{
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[inputNode release];
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[converterNode release];
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inputNode = [[InputNode alloc] initWithController:self previous:nil];
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converterNode = [[ConverterNode alloc] initWithController:self previous:inputNode];
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finalNode = converterNode;
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}
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- (BOOL)open:(PlaylistEntry *)pe
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{
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[pe retain];
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[playlistEntry release];
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NSLog(@"THEY ARE THE SAME?!");
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playlistEntry = pe;
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[self buildChain];
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NSLog(@"Filename in bufferchain: %@, %i %i", [pe filename], playlistEntry, pe);
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if (![inputNode open:[playlistEntry filename]])
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return NO;
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[converterNode setupWithInputFormat:(AudioStreamBasicDescription)[inputNode format] outputFormat:[[soundController output] format] ];
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return YES;
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}
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- (void)launchThreads
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{
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DBLog(@"LAUNCHING THREAD FOR INPUT");
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[inputNode launchThread];
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DBLog(@"LAUNCHING THREAD FOR CONVERTER");
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[converterNode launchThread];
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}
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- (void)dealloc
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{
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NSLog(@"Releasing playlistEntry: %i", [playlistEntry retainCount]);
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[playlistEntry release];
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[inputNode release];
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[converterNode release];
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[super dealloc];
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}
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- (void)seek:(double)time
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{
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NSLog(@"SEEKING IN BUFFERCHIAN");
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[inputNode seek:time];
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[[converterNode readLock] lock];
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[[converterNode writeLock] lock];
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[[inputNode readLock] lock];
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[[inputNode writeLock] lock];
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//Signal so its waiting when we unlock
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[[converterNode semaphore] signal];
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[[inputNode semaphore] signal];
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[converterNode resetBuffer];
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[inputNode resetBuffer];
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[[inputNode writeLock] unlock];
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[[inputNode readLock] unlock];
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[[converterNode writeLock] unlock];
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[[converterNode readLock] unlock];
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}
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- (void)endOfInputReached
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{
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[soundController endOfInputReached:self];
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}
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- (id)finalNode
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{
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return finalNode;
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}
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- (PlaylistEntry *)playlistEntry
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{
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return playlistEntry;
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}
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- (void)setShouldContinue:(BOOL)s
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{
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[inputNode setShouldContinue:s];
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[converterNode setShouldContinue:s];
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}
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@end
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