6bd0bf1dc5
Set baseline real-time priority for audio threads even on old macOS, since that API is available there. Only set it once, and do not attempt again if it fails, only once per thread. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
84 lines
1.8 KiB
Objective-C
84 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 "Semaphore.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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NSRecursiveLock *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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BOOL isRealtime, isRealtimeError; // If was successfully set realtime, or if error
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AudioStreamBasicDescription nodeFormat;
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uint32_t nodeChannelConfig;
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BOOL nodeLossless;
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int64_t intervalMachLength;
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os_workgroup_interval_t workgroup, wg;
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os_workgroup_join_token_s wgToken;
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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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- (AudioChunk *_Nonnull)readChunk:(size_t)maxFrames;
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- (BOOL)peekFormat:(AudioStreamBasicDescription *_Nonnull)format channelConfig:(uint32_t *_Nonnull)config;
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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)followWorkgroup;
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- (void)leaveWorkgroup;
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- (void)startWorkslice;
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- (void)endWorkslice;
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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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