cog/Audio/Chain/Node.h

85 lines
1.8 KiB
Objective-C

//
// Node.h
// CogNew
//
// Created by Vincent Spader on 1/4/06.
// Copyright 2006 Vincent Spader. All rights reserved.
//
#import "ChunkList.h"
#import "Semaphore.h"
#import <Cocoa/Cocoa.h>
#import <os/workgroup.h>
#define BUFFER_SIZE 1024 * 1024
#define CHUNK_SIZE 16 * 1024
@interface Node : NSObject {
ChunkList *buffer;
Semaphore *semaphore;
NSRecursiveLock *accessLock;
id __weak previousNode;
id __weak controller;
BOOL shouldReset;
BOOL shouldContinue;
BOOL endOfStream; // All data is now in buffer
BOOL initialBufferFilled;
BOOL isRealtime, isRealtimeError; // If was successfully set realtime, or if error
AudioStreamBasicDescription nodeFormat;
uint32_t nodeChannelConfig;
BOOL nodeLossless;
int64_t intervalMachLength;
os_workgroup_interval_t workgroup, wg;
os_workgroup_join_token_s wgToken;
}
- (id _Nullable)initWithController:(id _Nonnull)c previous:(id _Nullable)p;
- (void)writeData:(const void *_Nonnull)ptr amount:(size_t)a;
- (AudioChunk *_Nonnull)readChunk:(size_t)maxFrames;
- (BOOL)peekFormat:(AudioStreamBasicDescription *_Nonnull)format channelConfig:(uint32_t *_Nonnull)config;
- (void)process; // Should be overwriten by subclass
- (void)threadEntry:(id _Nullable)arg;
- (void)followWorkgroup;
- (void)leaveWorkgroup;
- (void)startWorkslice;
- (void)endWorkslice;
- (void)launchThread;
- (void)setShouldReset:(BOOL)s;
- (BOOL)shouldReset;
- (void)setPreviousNode:(id _Nullable)p;
- (id _Nullable)previousNode;
- (BOOL)shouldContinue;
- (void)setShouldContinue:(BOOL)s;
- (ChunkList *_Nonnull)buffer;
- (void)resetBuffer; // WARNING! DANGER WILL ROBINSON!
- (AudioStreamBasicDescription)nodeFormat;
- (uint32_t)nodeChannelConfig;
- (BOOL)nodeLossless;
- (Semaphore *_Nonnull)semaphore;
//-(void)resetBuffer;
- (BOOL)endOfStream;
- (void)setEndOfStream:(BOOL)e;
- (double)secondsBuffered;
@end