Cog/Audio/Chain/Node.h
Christopher Snowhill 3c351f6968 [Input API] Change input readAudio method
readAudio now returns an AudioChunk object directly, and all inputs have
been changed to accomodate this. Also, input and converter processing
have been altered to better work with this.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-07-10 15:14:47 -07:00

75 lines
1.6 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;
NSLock *accessLock;
id __weak previousNode;
id __weak controller;
BOOL shouldReset;
BOOL shouldContinue;
BOOL endOfStream; // All data is now in buffer
BOOL initialBufferFilled;
AudioStreamBasicDescription nodeFormat;
uint32_t nodeChannelConfig;
BOOL nodeLossless;
}
- (id _Nullable)initWithController:(id _Nonnull)c previous:(id _Nullable)p;
- (void)writeData:(const void *_Nonnull)ptr amount:(size_t)a;
- (void)writeChunk:(AudioChunk *_Nonnull)chunk;
- (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)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