5424e18f27
Check for paused processing state in various places, so that startup playback works properly, and resume playback at seek offset works properly and doesn't hang the player. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
93 lines
2.1 KiB
Objective-C
93 lines
2.1 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 *writeSemaphore;
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Semaphore *readSemaphore;
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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 inWrite;
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BOOL inPeek;
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BOOL inRead;
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BOOL inMerge;
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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)cleanUp;
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- (BOOL)paused;
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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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- (AudioChunk *_Nonnull)readAndMergeChunks:(size_t)maxFrames;
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- (AudioChunk *_Nonnull)readAndMergeChunksAsFloat32:(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)writeSemaphore;
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- (Semaphore *_Nonnull)readSemaphore;
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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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