DSP: Move FreeSurround to DSP chain
This will no longer be in the output implementation. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
This commit is contained in:
Christopher Snowhill
parent
c19de448dc
commit
d8802bc0da
10 changed files with 324 additions and 67 deletions
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@ -11,12 +11,14 @@
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#import "AudioPlayer.h"
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#import "ConverterNode.h"
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#import "DSPRubberbandNode.h"
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#import "DSPFSurroundNode.h"
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#import "InputNode.h"
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@interface BufferChain : NSObject {
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InputNode *inputNode;
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ConverterNode *converterNode;
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DSPRubberbandNode *rubberbandNode;
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DSPFSurroundNode *fsurroundNode;
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NSURL *streamURL;
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id userInfo;
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@ -75,6 +77,8 @@
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- (DSPRubberbandNode *)rubberband;
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- (DSPFSurroundNode *)fsurround;
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- (double)secondsBuffered;
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- (void)sustainHDCD;
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@ -27,6 +27,7 @@
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converterNode = nil;
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rubberbandNode = nil;
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fsurroundNode = nil;
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}
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return self;
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@ -39,8 +40,9 @@
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inputNode = [[InputNode alloc] initWithController:self previous:nil];
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converterNode = [[ConverterNode alloc] initWithController:self previous:inputNode];
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rubberbandNode = [[DSPRubberbandNode alloc] initWithController:self previous:converterNode latency:0.03];
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fsurroundNode = [[DSPFSurroundNode alloc] initWithController:self previous:rubberbandNode latency:0.03];
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finalNode = rubberbandNode;
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finalNode = fsurroundNode;
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}
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- (BOOL)open:(NSURL *)url withOutputFormat:(AudioStreamBasicDescription)outputFormat withUserInfo:(id)userInfo withRGInfo:(NSDictionary *)rgi {
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@ -150,6 +152,7 @@
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[inputNode launchThread];
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[converterNode launchThread];
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[rubberbandNode launchThread];
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[fsurroundNode launchThread];
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}
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- (void)setUserInfo:(id)i {
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@ -218,6 +221,7 @@
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[inputNode setShouldContinue:s];
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[converterNode setShouldContinue:s];
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[rubberbandNode setShouldContinue:s];
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[fsurroundNode setShouldContinue:s];
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}
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- (BOOL)isRunning {
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@ -240,6 +244,10 @@
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return rubberbandNode;
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}
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- (DSPFSurroundNode *)fsurround {
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return fsurroundNode;
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}
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- (AudioStreamBasicDescription)inputFormat {
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return [inputNode nodeFormat];
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}
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28
Audio/Chain/DSP/DSPFSurroundNode.h
Normal file
28
Audio/Chain/DSP/DSPFSurroundNode.h
Normal file
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@ -0,0 +1,28 @@
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//
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// DSPFSurroundNode.h
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// CogAudio
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//
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// Created by Christopher Snowhill on 2/11/25.
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//
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#ifndef DSPFSurroundNode_h
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#define DSPFSurroundNode_h
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#import "DSPNode.h"
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@interface DSPFSurroundNode : DSPNode {
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}
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- (id _Nullable)initWithController:(id _Nonnull)c previous:(id _Nullable)p latency:(double)latency;
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- (BOOL)setup;
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- (void)cleanUp;
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- (void)resetBuffer;
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- (void)process;
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- (AudioChunk * _Nullable)convert;
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@end
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#endif /* DSPFSurroundNode_h */
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264
Audio/Chain/DSP/DSPFSurroundNode.m
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264
Audio/Chain/DSP/DSPFSurroundNode.m
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@ -0,0 +1,264 @@
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//
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// DSPFSurroundNode.m
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// CogAudio Framework
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//
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// Created by Christopher Snowhill on 2/11/25.
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//
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#import <Foundation/Foundation.h>
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#import <Accelerate/Accelerate.h>
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#import "DSPFSurroundNode.h"
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#import "FSurroundFilter.h"
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#define OCTAVES 5
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static void * kDSPFSurroundNodeContext = &kDSPFSurroundNodeContext;
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@implementation DSPFSurroundNode {
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BOOL enableFSurround;
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BOOL FSurroundDelayRemoved;
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BOOL resetStreamFormat;
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FSurroundFilter *fsurround;
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BOOL stopping, paused;
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BOOL processEntered;
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BOOL observersapplied;
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AudioStreamBasicDescription lastInputFormat;
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AudioStreamBasicDescription inputFormat;
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AudioStreamBasicDescription outputFormat;
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uint32_t lastInputChannelConfig, inputChannelConfig;
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uint32_t outputChannelConfig;
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float inBuffer[4096 * 2];
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float outBuffer[8192 * 6];
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}
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- (id _Nullable)initWithController:(id _Nonnull)c previous:(id _Nullable)p latency:(double)latency {
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self = [super initWithController:c previous:p latency:latency];
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if(self) {
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NSUserDefaults *defaults = [[NSUserDefaultsController sharedUserDefaultsController] defaults];
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enableFSurround = [defaults boolForKey:@"enableFSurround"];
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[self addObservers];
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}
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return self;
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}
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- (void)dealloc {
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[self cleanUp];
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[self removeObservers];
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}
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- (void)addObservers {
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[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.enableFSurround" options:(NSKeyValueObservingOptionInitial | NSKeyValueObservingOptionNew) context:kDSPFSurroundNodeContext];
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observersapplied = YES;
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}
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- (void)removeObservers {
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if(observersapplied) {
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[[NSUserDefaultsController sharedUserDefaultsController] removeObserver:self forKeyPath:@"values.enableFSurround" context:kDSPFSurroundNodeContext];
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observersapplied = NO;
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}
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}
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- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
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if(context != kDSPFSurroundNodeContext) {
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[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
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return;
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}
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if([keyPath isEqualToString:@"values.enableFSurround"]) {
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NSUserDefaults *defaults = [[NSUserDefaultsController sharedUserDefaultsController] defaults];
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enableFSurround = [defaults boolForKey:@"enableFSurround"];
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}
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}
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- (BOOL)fullInit {
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if(enableFSurround && inputFormat.mChannelsPerFrame == 2) {
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fsurround = [[FSurroundFilter alloc] initWithSampleRate:inputFormat.mSampleRate];
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if(!fsurround) {
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return NO;
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}
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outputFormat = inputFormat;
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outputFormat.mChannelsPerFrame = [fsurround channelCount];
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outputFormat.mBytesPerFrame = sizeof(float) * outputFormat.mChannelsPerFrame;
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outputFormat.mBytesPerPacket = outputFormat.mBytesPerFrame * outputFormat.mFramesPerPacket;
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outputChannelConfig = [fsurround channelConfig];
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FSurroundDelayRemoved = NO;
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resetStreamFormat = YES;
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} else {
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fsurround = nil;
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}
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return YES;
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}
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- (void)fullShutdown {
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fsurround = nil;
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}
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- (BOOL)setup {
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if(stopping)
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return NO;
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[self fullShutdown];
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return [self fullInit];
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}
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- (void)cleanUp {
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stopping = YES;
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while(processEntered) {
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usleep(1000);
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}
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[self fullShutdown];
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}
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- (void)resetBuffer {
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paused = YES;
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while(processEntered) {
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usleep(500);
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}
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[super resetBuffer];
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[self fullShutdown];
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paused = NO;
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}
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- (void)process {
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while([self shouldContinue] == YES) {
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if(paused) {
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usleep(500);
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continue;
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}
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@autoreleasepool {
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AudioChunk *chunk = nil;
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chunk = [self convert];
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if(!chunk) {
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if([self endOfStream] == YES) {
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break;
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}
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if(paused) {
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continue;
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}
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} else {
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[self writeChunk:chunk];
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chunk = nil;
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}
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if(!enableFSurround && fsurround) {
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[self fullShutdown];
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}
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}
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}
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}
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- (AudioChunk *)convert {
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if(stopping)
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return nil;
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processEntered = YES;
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if(stopping || [self endOfStream] == YES || [self shouldContinue] == NO) {
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processEntered = NO;
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return nil;
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}
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if(![self peekFormat:&inputFormat channelConfig:&inputChannelConfig]) {
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processEntered = NO;
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return nil;
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}
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if((enableFSurround && !fsurround) ||
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memcmp(&inputFormat, &lastInputFormat, sizeof(inputFormat)) != 0 ||
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inputChannelConfig != lastInputChannelConfig) {
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lastInputFormat = inputFormat;
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lastInputChannelConfig = inputChannelConfig;
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[self fullShutdown];
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if(![self setup]) {
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processEntered = NO;
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return nil;
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}
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}
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if(!fsurround) {
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processEntered = NO;
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return [self readChunk:4096];
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}
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size_t totalRequestedSamples = resetStreamFormat ? 2048 : 4096;
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size_t totalFrameCount = 0;
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AudioChunk *chunk;
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float *samplePtr = resetStreamFormat ? &inBuffer[2048 * 2] : &inBuffer[0];
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while(!stopping && totalFrameCount < totalRequestedSamples) {
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chunk = [self readChunkAsFloat32:totalRequestedSamples - totalFrameCount];
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if(!chunk) {
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break;
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}
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size_t frameCount = [chunk frameCount];
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NSData *sampleData = [chunk removeSamples:frameCount];
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cblas_scopy((int)frameCount * 2, [sampleData bytes], 1, &samplePtr[totalFrameCount * 2], 1);
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totalFrameCount += frameCount;
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}
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if(!totalFrameCount) {
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processEntered = NO;
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return nil;
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}
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if(resetStreamFormat) {
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bzero(&inBuffer[0], 2048 * 2 * sizeof(float));
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totalFrameCount += 2048;
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resetStreamFormat = NO;
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}
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size_t countToProcess = totalFrameCount;
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size_t samplesRendered;
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if(countToProcess < 4096) {
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bzero(&inBuffer[countToProcess * 2], (4096 - countToProcess) * 2 * sizeof(float));
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countToProcess = 4096;
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}
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[fsurround process:&inBuffer[0] output:&outBuffer[4096 * 6] count:(int)countToProcess];
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samplePtr = &outBuffer[4096 * 6];
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samplesRendered = totalFrameCount;
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if(totalFrameCount < 4096) {
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bzero(&outBuffer[4096 * 6], 4096 * 2 * sizeof(float));
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[fsurround process:&outBuffer[4096 * 6] output:&outBuffer[4096 * 6] count:4096];
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samplesRendered += 2048;
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}
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if(!FSurroundDelayRemoved) {
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FSurroundDelayRemoved = YES;
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if(samplesRendered > 2048) {
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samplePtr += 2048 * 6;
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samplesRendered -= 2048;
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}
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}
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AudioChunk *outputChunk = nil;
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if(samplesRendered) {
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outputChunk = [[AudioChunk alloc] init];
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[outputChunk setFormat:outputFormat];
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if(outputChannelConfig) {
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[outputChunk setChannelConfig:outputChannelConfig];
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}
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[outputChunk assignSamples:samplePtr frameCount:samplesRendered];
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}
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processEntered = NO;
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return outputChunk;
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}
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@end
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@ -162,6 +162,7 @@ static void *kInputNodeContext = &kInputNodeContext;
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BufferChain *bufferChain = [[controller controller] bufferChain];
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ConverterNode *converter = [bufferChain converter];
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DSPRubberbandNode *rubberband = [bufferChain rubberband];
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DSPFSurroundNode *fsurround = [bufferChain fsurround];
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DLog(@"SEEKING! Resetting Buffer");
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// This resets the converter's buffer
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@ -169,6 +170,7 @@ static void *kInputNodeContext = &kInputNodeContext;
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[converter resetBuffer];
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[converter inputFormatDidChange:[bufferChain inputFormat] inputConfig:[bufferChain inputConfig]];
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[rubberband resetBuffer];
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[fsurround resetBuffer];
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DLog(@"Reset buffer!");
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@ -53,8 +53,6 @@
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834A41AA287A90AB00EB9D9B /* freesurround_decoder.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 834A41A6287A90AB00EB9D9B /* freesurround_decoder.cpp */; };
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834A41AB287A90AB00EB9D9B /* channelmaps.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 834A41A7287A90AB00EB9D9B /* channelmaps.cpp */; };
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834A41AC287A90AB00EB9D9B /* channelmaps.h in Headers */ = {isa = PBXBuildFile; fileRef = 834A41A8287A90AB00EB9D9B /* channelmaps.h */; };
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834A41AF287ABD6F00EB9D9B /* FSurroundFilter.h in Headers */ = {isa = PBXBuildFile; fileRef = 834A41AD287ABD6F00EB9D9B /* FSurroundFilter.h */; };
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834A41B0287ABD6F00EB9D9B /* FSurroundFilter.mm in Sources */ = {isa = PBXBuildFile; fileRef = 834A41AE287ABD6F00EB9D9B /* FSurroundFilter.mm */; };
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834FD4EB27AF8F380063BC83 /* AudioChunk.h in Headers */ = {isa = PBXBuildFile; fileRef = 834FD4EA27AF8F380063BC83 /* AudioChunk.h */; };
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834FD4ED27AF91220063BC83 /* AudioChunk.m in Sources */ = {isa = PBXBuildFile; fileRef = 834FD4EC27AF91220063BC83 /* AudioChunk.m */; };
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834FD4F027AF93680063BC83 /* ChunkList.h in Headers */ = {isa = PBXBuildFile; fileRef = 834FD4EE27AF93680063BC83 /* ChunkList.h */; };
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@ -96,6 +94,10 @@
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839E56F7287974A100DFB5F4 /* SandboxBroker.h in Headers */ = {isa = PBXBuildFile; fileRef = 839E56F6287974A100DFB5F4 /* SandboxBroker.h */; };
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83A3496A2D5C3F430096D530 /* DSPRubberbandNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 83A349682D5C3F430096D530 /* DSPRubberbandNode.m */; };
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83A3496B2D5C3F430096D530 /* DSPRubberbandNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 83A349672D5C3F430096D530 /* DSPRubberbandNode.h */; };
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83A3496D2D5C40490096D530 /* DSPFSurroundNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 83A3496C2D5C40490096D530 /* DSPFSurroundNode.h */; };
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83A3496F2D5C405E0096D530 /* DSPFSurroundNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 83A3496E2D5C405E0096D530 /* DSPFSurroundNode.m */; };
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83A349722D5C41810096D530 /* FSurroundFilter.mm in Sources */ = {isa = PBXBuildFile; fileRef = 83A349712D5C41810096D530 /* FSurroundFilter.mm */; };
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83A349732D5C41810096D530 /* FSurroundFilter.h in Headers */ = {isa = PBXBuildFile; fileRef = 83A349702D5C41810096D530 /* FSurroundFilter.h */; };
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83B74281289E027F005AAC28 /* CogAudio-Bridging-Header.h in Headers */ = {isa = PBXBuildFile; fileRef = 83B74280289E027F005AAC28 /* CogAudio-Bridging-Header.h */; };
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83FFED512D5B08BC0044CCAF /* DSPNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 83FFED502D5B08BC0044CCAF /* DSPNode.h */; };
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83FFED532D5B09320044CCAF /* DSPNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 83FFED522D5B09320044CCAF /* DSPNode.m */; };
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834A41A6287A90AB00EB9D9B /* freesurround_decoder.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = freesurround_decoder.cpp; sourceTree = "<group>"; };
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834A41A7287A90AB00EB9D9B /* channelmaps.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = channelmaps.cpp; sourceTree = "<group>"; };
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834A41A8287A90AB00EB9D9B /* channelmaps.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = channelmaps.h; sourceTree = "<group>"; };
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834A41AD287ABD6F00EB9D9B /* FSurroundFilter.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = FSurroundFilter.h; sourceTree = "<group>"; };
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834A41AE287ABD6F00EB9D9B /* FSurroundFilter.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = FSurroundFilter.mm; sourceTree = "<group>"; };
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834FD4EA27AF8F380063BC83 /* AudioChunk.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AudioChunk.h; sourceTree = "<group>"; };
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834FD4EC27AF91220063BC83 /* AudioChunk.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AudioChunk.m; sourceTree = "<group>"; };
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834FD4EE27AF93680063BC83 /* ChunkList.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ChunkList.h; sourceTree = "<group>"; };
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@ -214,6 +214,10 @@
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839E56F6287974A100DFB5F4 /* SandboxBroker.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SandboxBroker.h; path = ../Utils/SandboxBroker.h; sourceTree = "<group>"; };
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83A349672D5C3F430096D530 /* DSPRubberbandNode.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DSPRubberbandNode.h; sourceTree = "<group>"; };
|
||||
83A349682D5C3F430096D530 /* DSPRubberbandNode.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DSPRubberbandNode.m; sourceTree = "<group>"; };
|
||||
83A3496C2D5C40490096D530 /* DSPFSurroundNode.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DSPFSurroundNode.h; sourceTree = "<group>"; };
|
||||
83A3496E2D5C405E0096D530 /* DSPFSurroundNode.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DSPFSurroundNode.m; sourceTree = "<group>"; };
|
||||
83A349702D5C41810096D530 /* FSurroundFilter.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FSurroundFilter.h; sourceTree = "<group>"; };
|
||||
83A349712D5C41810096D530 /* FSurroundFilter.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = FSurroundFilter.mm; sourceTree = "<group>"; };
|
||||
83B74280289E027F005AAC28 /* CogAudio-Bridging-Header.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "CogAudio-Bridging-Header.h"; sourceTree = "<group>"; };
|
||||
83FFED502D5B08BC0044CCAF /* DSPNode.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DSPNode.h; sourceTree = "<group>"; };
|
||||
83FFED522D5B09320044CCAF /* DSPNode.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DSPNode.m; sourceTree = "<group>"; };
|
||||
|
|
@ -381,8 +385,6 @@
|
|||
children = (
|
||||
835DD2662ACAF1D90057E319 /* OutputCoreAudio.h */,
|
||||
835DD2652ACAF1D90057E319 /* OutputCoreAudio.m */,
|
||||
834A41AD287ABD6F00EB9D9B /* FSurroundFilter.h */,
|
||||
834A41AE287ABD6F00EB9D9B /* FSurroundFilter.mm */,
|
||||
839E56EB2879515D00DFB5F4 /* HeadphoneFilter.h */,
|
||||
839E56EC2879515D00DFB5F4 /* HeadphoneFilter.mm */,
|
||||
);
|
||||
|
|
@ -524,8 +526,12 @@
|
|||
83A349692D5C3F430096D530 /* DSP */ = {
|
||||
isa = PBXGroup;
|
||||
children = (
|
||||
83A349702D5C41810096D530 /* FSurroundFilter.h */,
|
||||
83A349712D5C41810096D530 /* FSurroundFilter.mm */,
|
||||
83A349672D5C3F430096D530 /* DSPRubberbandNode.h */,
|
||||
83A349682D5C3F430096D530 /* DSPRubberbandNode.m */,
|
||||
83A3496C2D5C40490096D530 /* DSPFSurroundNode.h */,
|
||||
83A3496E2D5C405E0096D530 /* DSPFSurroundNode.m */,
|
||||
);
|
||||
path = DSP;
|
||||
sourceTree = "<group>";
|
||||
|
|
@ -539,6 +545,7 @@
|
|||
files = (
|
||||
839E56E82879450300DFB5F4 /* IHrtfData.h in Headers */,
|
||||
17D21CA10B8BE4BA00D1EBDE /* BufferChain.h in Headers */,
|
||||
83A3496D2D5C40490096D530 /* DSPFSurroundNode.h in Headers */,
|
||||
831A50142865A7FD0049CFE4 /* rsstate.hpp in Headers */,
|
||||
834A41AC287A90AB00EB9D9B /* channelmaps.h in Headers */,
|
||||
17D21CA50B8BE4BA00D1EBDE /* InputNode.h in Headers */,
|
||||
|
|
@ -565,7 +572,6 @@
|
|||
17F94DDD0B8D101100A34E87 /* Plugin.h in Headers */,
|
||||
8328995727CB51B700D7F028 /* SHA256Digest.h in Headers */,
|
||||
834FD4EB27AF8F380063BC83 /* AudioChunk.h in Headers */,
|
||||
834A41AF287ABD6F00EB9D9B /* FSurroundFilter.h in Headers */,
|
||||
83A3496B2D5C3F430096D530 /* DSPRubberbandNode.h in Headers */,
|
||||
17A2D3C50B8D1D37000778C4 /* AudioDecoder.h in Headers */,
|
||||
8347C7412796C58800FA8A7D /* NSFileHandle+CreateFile.h in Headers */,
|
||||
|
|
@ -578,6 +584,7 @@
|
|||
17ADB13C0B97926D00257CA2 /* AudioSource.h in Headers */,
|
||||
835C88B1279811A500E28EAE /* hdcd_decode2.h in Headers */,
|
||||
8EC1225F0B993BD500C5B3AD /* ConverterNode.h in Headers */,
|
||||
83A349732D5C41810096D530 /* FSurroundFilter.h in Headers */,
|
||||
8384912718080FF100E7332D /* Logging.h in Headers */,
|
||||
8377C64E27B8C54400E8BC0F /* fft.h in Headers */,
|
||||
835FAC5E27BCA14D00BA8562 /* BadSampleCleaner.h in Headers */,
|
||||
|
|
@ -676,6 +683,7 @@
|
|||
17D21CF40B8BE5EF00D1EBDE /* CogSemaphore.m in Sources */,
|
||||
839B83FA286D91ED00F529EE /* VisualizationController.swift in Sources */,
|
||||
8347C7422796C58800FA8A7D /* NSFileHandle+CreateFile.m in Sources */,
|
||||
83A3496F2D5C405E0096D530 /* DSPFSurroundNode.m in Sources */,
|
||||
17D21DC80B8BE79700D1EBDE /* CoreAudioUtils.m in Sources */,
|
||||
8328995327CB511000D7F028 /* RedundantPlaylistDataStore.m in Sources */,
|
||||
8377C64C27B8C51500E8BC0F /* fft_accelerate.c in Sources */,
|
||||
|
|
@ -689,10 +697,10 @@
|
|||
17B619310B909BC300BC003F /* AudioPropertiesReader.m in Sources */,
|
||||
17ADB13D0B97926D00257CA2 /* AudioSource.m in Sources */,
|
||||
834FD4F127AF93680063BC83 /* ChunkList.m in Sources */,
|
||||
834A41B0287ABD6F00EB9D9B /* FSurroundFilter.mm in Sources */,
|
||||
83FFED532D5B09320044CCAF /* DSPNode.m in Sources */,
|
||||
8EC122600B993BD500C5B3AD /* ConverterNode.m in Sources */,
|
||||
835DD2672ACAF1D90057E319 /* OutputCoreAudio.m in Sources */,
|
||||
83A349722D5C41810096D530 /* FSurroundFilter.mm in Sources */,
|
||||
8E8D3D300CBAEE6E00135C1B /* AudioContainer.m in Sources */,
|
||||
B0575F300D687A4000411D77 /* Helper.m in Sources */,
|
||||
835DD2742ACAF5AD0057E319 /* lpc.c in Sources */,
|
||||
|
|
|
|||
|
|
@ -37,8 +37,6 @@ using std::atomic_long;
|
|||
|
||||
@class OutputNode;
|
||||
|
||||
@class FSurroundFilter;
|
||||
|
||||
@class AudioChunk;
|
||||
|
||||
@interface OutputCoreAudio : NSObject {
|
||||
|
|
@ -119,10 +117,7 @@ using std::atomic_long;
|
|||
BOOL enableHrtf;
|
||||
HeadphoneFilter *hrtf;
|
||||
|
||||
BOOL enableFSurround;
|
||||
BOOL FSurroundDelayRemoved;
|
||||
int inputBufferLastTime;
|
||||
FSurroundFilter *fsurround;
|
||||
|
||||
int inputRemain;
|
||||
|
||||
|
|
@ -137,7 +132,6 @@ using std::atomic_long;
|
|||
float *samplePtr;
|
||||
float tempBuffer[512 * 32];
|
||||
float inputBuffer[4096 * 32]; // 4096 samples times maximum supported channel count
|
||||
float fsurroundBuffer[8192 * 6];
|
||||
float hrtfBuffer[4096 * 2];
|
||||
float eqBuffer[4096 * 32];
|
||||
float eqOutBuffer[4096 * 32];
|
||||
|
|
|
|||
|
|
@ -21,10 +21,6 @@
|
|||
|
||||
#import "rsstate.h"
|
||||
|
||||
#import "FSurroundFilter.h"
|
||||
|
||||
#define OCTAVES 5
|
||||
|
||||
extern void scale_by_volume(float *buffer, size_t count, float volume);
|
||||
|
||||
static NSString *CogPlaybackDidBeginNotificiation = @"CogPlaybackDidBeginNotificiation";
|
||||
|
|
@ -152,10 +148,6 @@ static OSStatus eqRenderCallback(void *inRefCon, AudioUnitRenderActionFlags *ioA
|
|||
AudioStreamBasicDescription dmFormat;
|
||||
dmFormat = format;
|
||||
[outputLock lock];
|
||||
if(fsurround) {
|
||||
dmChannels = [fsurround channelCount];
|
||||
dmConfig = [fsurround channelConfig];
|
||||
}
|
||||
if(hrtf) {
|
||||
dmChannels = 2;
|
||||
dmConfig = AudioChannelFrontLeft | AudioChannelFrontRight;
|
||||
|
|
@ -397,10 +389,6 @@ current_device_listener(AudioObjectID inObjectID, UInt32 inNumberAddresses, cons
|
|||
enableHeadTracking = [[[NSUserDefaultsController sharedUserDefaultsController] defaults] boolForKey:@"enableHeadTracking"];
|
||||
if(streamFormatStarted)
|
||||
resetStreamFormat = YES;
|
||||
} else if([keyPath isEqualToString:@"values.enableFSurround"]) {
|
||||
enableFSurround = [[[NSUserDefaultsController sharedUserDefaultsController] defaults] boolForKey:@"enableFSurround"];
|
||||
if(streamFormatStarted)
|
||||
resetStreamFormat = YES;
|
||||
} else if([keyPath isEqualToString:@"values.tempo"]) {
|
||||
tempo = [[[NSUserDefaultsController sharedUserDefaultsController] defaults] doubleForKey:@"tempo"];
|
||||
}
|
||||
|
|
@ -775,19 +763,6 @@ current_device_listener(AudioObjectID inObjectID, UInt32 inNumberAddresses, cons
|
|||
uint32_t channels = realStreamFormat.mChannelsPerFrame;
|
||||
uint32_t channelConfig = realStreamChannelConfig;
|
||||
|
||||
if(enableFSurround && channels == 2 && channelConfig == AudioConfigStereo) {
|
||||
[outputLock lock];
|
||||
fsurround = [[FSurroundFilter alloc] initWithSampleRate:realStreamFormat.mSampleRate];
|
||||
[outputLock unlock];
|
||||
channels = [fsurround channelCount];
|
||||
channelConfig = [fsurround channelConfig];
|
||||
FSurroundDelayRemoved = NO;
|
||||
} else {
|
||||
[outputLock lock];
|
||||
fsurround = nil;
|
||||
[outputLock unlock];
|
||||
}
|
||||
|
||||
if(enableHrtf) {
|
||||
NSURL *presetUrl = [[NSBundle mainBundle] URLForResource:@"SADIE_D02-96000" withExtension:@"mhr"];
|
||||
|
||||
|
|
@ -956,31 +931,7 @@ current_device_listener(AudioObjectID inObjectID, UInt32 inNumberAddresses, cons
|
|||
|
||||
samplePtr = &inputBuffer[0];
|
||||
|
||||
if(samplesRendered || fsurround) {
|
||||
[outputLock lock];
|
||||
if(fsurround) {
|
||||
int countToProcess = samplesRendered;
|
||||
if(countToProcess < 4096) {
|
||||
bzero(samplePtr + countToProcess * 2, (4096 - countToProcess) * 2 * sizeof(float));
|
||||
countToProcess = 4096;
|
||||
}
|
||||
[fsurround process:samplePtr output:&fsurroundBuffer[0] count:countToProcess];
|
||||
samplePtr = &fsurroundBuffer[0];
|
||||
if(resetStreamFormat || samplesRendered < 4096) {
|
||||
bzero(&fsurroundBuffer[4096 * 6], 4096 * 2 * sizeof(float));
|
||||
[fsurround process:&fsurroundBuffer[4096 * 6] output:&fsurroundBuffer[4096 * 6] count:4096];
|
||||
samplesRendered += 2048;
|
||||
}
|
||||
if(!FSurroundDelayRemoved) {
|
||||
FSurroundDelayRemoved = YES;
|
||||
if(samplesRendered > 2048) {
|
||||
samplePtr += 2048 * 6;
|
||||
samplesRendered -= 2048;
|
||||
}
|
||||
}
|
||||
}
|
||||
[outputLock unlock];
|
||||
|
||||
if(samplesRendered) {
|
||||
[outputLock lock];
|
||||
if(hrtf) {
|
||||
if(rotationMatrixUpdated) {
|
||||
|
|
@ -1228,7 +1179,6 @@ current_device_listener(AudioObjectID inObjectID, UInt32 inNumberAddresses, cons
|
|||
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.eqPreamp" options:(NSKeyValueObservingOptionInitial | NSKeyValueObservingOptionNew) context:kOutputCoreAudioContext];
|
||||
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.enableHrtf" options:(NSKeyValueObservingOptionInitial | NSKeyValueObservingOptionNew) context:kOutputCoreAudioContext];
|
||||
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.enableHeadTracking" options:(NSKeyValueObservingOptionInitial | NSKeyValueObservingOptionNew) context:kOutputCoreAudioContext];
|
||||
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.enableFSurround" options:(NSKeyValueObservingOptionInitial | NSKeyValueObservingOptionNew) context:kOutputCoreAudioContext];
|
||||
[[NSUserDefaultsController sharedUserDefaultsController] addObserver:self forKeyPath:@"values.tempo" options:(NSKeyValueObservingOptionInitial | NSKeyValueObservingOptionNew) context:kOutputCoreAudioContext];
|
||||
|
||||
observersapplied = YES;
|
||||
|
|
@ -1307,7 +1257,6 @@ current_device_listener(AudioObjectID inObjectID, UInt32 inNumberAddresses, cons
|
|||
[[NSUserDefaultsController sharedUserDefaultsController] removeObserver:self forKeyPath:@"values.eqPreamp" context:kOutputCoreAudioContext];
|
||||
[[NSUserDefaultsController sharedUserDefaultsController] removeObserver:self forKeyPath:@"values.enableHrtf" context:kOutputCoreAudioContext];
|
||||
[[NSUserDefaultsController sharedUserDefaultsController] removeObserver:self forKeyPath:@"values.enableHeadTracking" context:kOutputCoreAudioContext];
|
||||
[[NSUserDefaultsController sharedUserDefaultsController] removeObserver:self forKeyPath:@"values.enableFSurround" context:kOutputCoreAudioContext];
|
||||
[[NSUserDefaultsController sharedUserDefaultsController] removeObserver:self forKeyPath:@"values.tempo" context:kOutputCoreAudioContext];
|
||||
observersapplied = NO;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue