7994929a80
Audio Chunks now have full timestamp accounting, including DSP playback speed ratio for the one DSP that can change play ratio, Rubber Band. Inputs which support looping and actually reporting the absolute play position now do so. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
79 lines
1.8 KiB
Objective-C
79 lines
1.8 KiB
Objective-C
//
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// Node.h
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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 "ChunkList.h"
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#import <CogAudio/CogSemaphore.h>
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#import <Cocoa/Cocoa.h>
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#import <os/workgroup.h>
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#define BUFFER_SIZE 1024 * 1024
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#define CHUNK_SIZE 16 * 1024
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@interface Node : NSObject {
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ChunkList *buffer;
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Semaphore *semaphore;
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NSLock *accessLock;
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id __weak previousNode;
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id __weak controller;
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BOOL shouldReset;
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BOOL shouldContinue;
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BOOL endOfStream; // All data is now in buffer
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BOOL initialBufferFilled;
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AudioStreamBasicDescription nodeFormat;
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uint32_t nodeChannelConfig;
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BOOL nodeLossless;
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double durationPrebuffer;
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}
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- (id _Nullable)initWithController:(id _Nonnull)c previous:(id _Nullable)p;
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- (void)writeData:(const void *_Nonnull)ptr amount:(size_t)a;
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- (void)writeChunk:(AudioChunk *_Nonnull)chunk;
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- (AudioChunk *_Nonnull)readChunk:(size_t)maxFrames;
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- (AudioChunk *_Nonnull)readChunkAsFloat32:(size_t)maxFrames;
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- (BOOL)peekFormat:(AudioStreamBasicDescription *_Nonnull)format channelConfig:(uint32_t *_Nonnull)config;
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- (BOOL)peekTimestamp:(double *_Nonnull)timestamp timeRatio:(double *_Nonnull)timeRatio;
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- (void)process; // Should be overwriten by subclass
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- (void)threadEntry:(id _Nullable)arg;
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- (void)launchThread;
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- (void)setShouldReset:(BOOL)s;
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- (BOOL)shouldReset;
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- (void)setPreviousNode:(id _Nullable)p;
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- (id _Nullable)previousNode;
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- (BOOL)shouldContinue;
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- (void)setShouldContinue:(BOOL)s;
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- (ChunkList *_Nonnull)buffer;
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- (void)resetBuffer; // WARNING! DANGER WILL ROBINSON!
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- (AudioStreamBasicDescription)nodeFormat;
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- (uint32_t)nodeChannelConfig;
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- (BOOL)nodeLossless;
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- (Semaphore *_Nonnull)semaphore;
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//-(void)resetBuffer;
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- (BOOL)endOfStream;
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- (void)setEndOfStream:(BOOL)e;
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- (double)secondsBuffered;
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@end
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