cog/Audio/Chain/ConverterNode.h

103 lines
2.2 KiB
Objective-C

//
// ConverterNode.h
// Cog
//
// Created by Zaphod Beeblebrox on 8/2/05.
// Copyright 2005 __MyCompanyName__. All rights reserved.
//
#import <Cocoa/Cocoa.h>
#import <AudioToolbox/AudioToolbox.h>
#import <AudioUnit/AudioUnit.h>
#import <CoreAudio/AudioHardware.h>
#import "Node.h"
#import "HeadphoneFilter.h"
#define DSD_DECIMATE 1
@interface ConverterNode : Node {
NSDictionary *rgInfo;
void *_r8bstate;
void *inputBuffer;
size_t inputBufferSize;
size_t inpSize, inpOffset;
BOOL stopping;
BOOL convertEntered;
BOOL paused;
BOOL skipResampler;
unsigned int PRIME_LEN_;
unsigned int N_samples_to_add_;
unsigned int N_samples_to_drop_;
unsigned int is_preextrapolated_;
unsigned int is_postextrapolated_;
int latencyEaten;
int latencyEatenPost;
double sampleRatio;
float volumeScale;
void *floatBuffer;
size_t floatBufferSize;
size_t floatSize, floatOffset;
void *extrapolateBuffer;
size_t extrapolateBufferSize;
#if DSD_DECIMATE
void **dsd2pcm;
size_t dsd2pcmCount;
int dsd2pcmLatency;
#endif
BOOL rememberedLossless;
AudioStreamBasicDescription inputFormat;
AudioStreamBasicDescription floatFormat;
AudioStreamBasicDescription dmFloatFormat; // downmixed/upmixed float format
AudioStreamBasicDescription outputFormat;
uint32_t inputChannelConfig;
uint32_t outputChannelConfig;
BOOL streamFormatChanged;
AudioStreamBasicDescription newInputFormat;
uint32_t newInputChannelConfig;
AudioChunk *lastChunkIn;
void *hdcd_decoder;
HeadphoneFilter *hFilter;
}
@property AudioStreamBasicDescription inputFormat;
- (id)initWithController:(id)c previous:(id)p;
- (BOOL)setupWithInputFormat:(AudioStreamBasicDescription)inputFormat withInputConfig:(uint32_t)inputConfig outputFormat:(AudioStreamBasicDescription)outputFormat outputConfig:(uint32_t)outputConfig isLossless:(BOOL)lossless;
- (void)cleanUp;
- (void)process;
- (int)convert:(void *)dest amount:(int)amount;
- (void)setRGInfo:(NSDictionary *)rgi;
- (void)setOutputFormat:(AudioStreamBasicDescription)format outputConfig:(uint32_t)outputConfig;
- (void)inputFormatDidChange:(AudioStreamBasicDescription)format inputConfig:(uint32_t)inputConfig;
- (void)refreshVolumeScaling;
@end