cog/Audio/AudioPlayer.h

//
//  AudioController.h
//  Cog
//
//  Created by Vincent Spader on 8/7/05.
//  Copyright 2005 Vincent Spader. All rights reserved.
//

#import <Cocoa/Cocoa.h>

@class BufferChain;
@class OutputNode;

@interface AudioPlayer : NSObject
{	
	BufferChain *bufferChain;
	OutputNode *output;

	double volume;

	NSMutableArray *chainQueue;
	
	NSURL *nextStream;
	id nextStreamUserInfo;
	
	id delegate;
	
	BOOL outputLaunched;
	BOOL endOfInputReached;
}

- (id)init;

- (void)setDelegate:(id)d;
- (id)delegate;

- (void)play:(NSURL *)url;
- (void)play:(NSURL *)url withUserInfo:(id)userInfo;

- (void)stop;
- (void)pause;
- (void)resume;

- (void)seekToTime:(double)time;
- (void)setVolume:(double)v;
- (double)volume;
- (double)volumeUp:(double)amount;
- (double)volumeDown:(double)amount;

- (double)amountPlayed;

- (void)setNextStream:(NSURL *)url;
- (void)setNextStream:(NSURL *)url withUserInfo:(id)userInfo;
- (void)resetNextStreams;

+ (NSArray *)fileTypes;
+ (NSArray *)schemes;
+ (NSArray *)containerTypes;

@end

@interface AudioPlayer (Private) //Dont use this stuff!

- (OutputNode *) output;
- (BufferChain *) bufferChain;
- (id)initWithDelegate:(id)d;

- (void)setPlaybackStatus:(int)status waitUntilDone:(BOOL)wait;
- (void)setPlaybackStatus:(int)s;

- (void)requestNextStream:(id)userInfo;
- (void)requestNextStreamMainThread:(id)userInfo;

- (void)notifyStreamChanged:(id)userInfo;
- (void)notifyStreamChangedMainThread:(id)userInfo;

- (BOOL)endOfInputReached:(BufferChain *)sender;
- (void)setShouldContinue:(BOOL)s;
- (BufferChain *)bufferChain;
- (void)launchOutputThread;
- (void)endOfInputPlayed;
- (void)sendDelegateMethod:(SEL)selector withObject:(id)obj waitUntilDone:(BOOL)wait;
@end

@protocol AudioPlayerDelegate
- (void)audioPlayer:(AudioPlayer *)player requestNextStream:(id)userInfo; //You must use setNextStream in this method
- (void)audioPlayer:(AudioPlayer *)player streamChanged:(id)userInfo;
- (void)audioPlayer:(AudioPlayer *)player changedStatus:(id)status;
@end