Classes
class	AdvancedAudioPlayer
	High performance advanced audio player with: More...

struct	AES
	A structure to perform AES encryption. The size of the structure is 548 bytes. More...

class	Analyzer
	Performs bpm and key detection, loudness/peak analysis. More...

class	AndroidUSB
	This class manages USB device connections. More...

class	AndroidUSBAudio
	This class implements a custom low latency USB audio stack for Android, fully bypassing the Android system audio stack. More...

struct	AndroidUSBAudioIOInfo
	Information about an audio input or output. More...

class	AndroidUSBMIDI
	This class implements a custom low latency USB MIDI stack for Android, fully bypassing the Android system MIDI stack. More...

class	AudiobufferPool
	Manages a global audio buffer pool, reducing the number of memory allocation requests, increasing efficiency of audio applications. More...

class	AudiopointerList
	Manages an audio buffer list. More...

struct	AudiopointerlistElement
	An audio buffer list item. More...

class	BandpassFilterbank
	Efficient bandpass filter bank for real-time zero latency frequency analysis. Each band is a separated bandpass filter with custom width and center frequency. More...

class	Bitcrusher
	Bit crusher with adjustable frequency and bit depth. More...

class	Clipper
	Hard knee clipping with 0 latency. More...

class	Compressor
	Compressor with 0 latency. More...

class	CompressorProto
	The new Superpowered Compressor prototype. It can be used in production, but we're still collecting feedback on its feature set, therefore the documentation is not complete on this one. More...

class	CPU
	Utility class to keep the CPU running near the maximum frequency for all cores ("sustained performance mode"). More...

class	Decoder
	Audio file decoder. More...

class	Delay
	Simple delay with minimum memory operations. More...

class	Echo
	Simple echo ("delay effect"). More...

class	Filter
	Filter is an IIR filter based on the typical direct form 1 formula: y[n] = (b0/a0)x[n] + (b1/a0)x[n-1] + (b2/a0)x[n-2] - (a1/a0)y[n-1] - (a2/a0)*y[n-2] It doesn't allocate any internal buffers and needs just a few bytes of memory. More...

class	Flanger
	Flanger with aggressive sound ("jet"). More...

class	FrequencyDomain
	Transforms between time-domain and frequency-domain audio, including buffering, windowing (HanningZ) and window overlap handling (default: 4:1). More...

class	FX
	This is the base class for Superpowered effects. More...

class	Gate
	Simple gate effect. More...

class	GuitarDistortion
	Guitar distortion effect including Marshall cabinet, ADA cabinet and V-Twin preamp simulation, 5-band equalizer, bass and treble tone controls and two distortion sounds. More...

struct	hasher
	A structure for high-performance hashing. More...

struct	httpData
	A key/value pair used for custom data or headers in requests. More...

class	httpRequest
	HTTP request. More...

class	httpResponse
	Represents an in-progress or finished HTTP response. More...

struct	json
	Represents one JSON item, that can be a parent of other items (deep hierarchies are possible), a member of a linked list or just a simple data item (such as a string). More...

class	Limiter
	Limiter with 32 samples latency. More...

class	LiveAnalyzer
	Performs bpm and key detection continuously. More...

class	MonoMixer
	Mixes up to 4 mono inputs. Every input and the output has individual gain control. One instance allocates just a few bytes of memory, therefore combining multiple instances of the MonoMixer is the recommended way to support more than 4 channels. More...

class	Recorder
	Records audio into 16-bit WAV file, with an optional tracklist. More...

class	Resampler
	Linear or 6-point resampler, audio reverser and 16-bit to 32-bit audio converter. More...

class	Reverb
	CPU-friendly reverb. More...

class	Roll
	Bpm/beat based loop roll effect. More...

class	RSAPrivateKey
	RSA private key object. More...

class	RSAPublicKey
	Forward declaration. More...

class	Spatializer
	CPU-friendly 3D audio spatializer. More...

class	StereoMixer
	Mixes up to 4 stereo inputs. From the traditional mixer hardware point of view, every input and the output has dedicated metering, gain and pan controls. One instance allocates just a few bytes of memory, therefore combining multiple instances of the StereoMixer is the recommended way to support more than 4 channels. More...

class	ThreeBandEQ
	Classic three-band equalizer with unique characteristics and total kills. More...

class	TimeStretching
	Time stretching and pitch shifting. More...

class	Waveform
	Provides waveform data in 150 points/sec resolution. More...

class	Whoosh
	White noise + filter. More...

Typedefs
typedef void(*	AndroidUSBAudioDeviceConnectedCallback) (void clientdata, int deviceID, const char manufacturer, const char product, const char info)
	Called when a USB audio device is connected. More...

typedef void(*	AndroidUSBAudioDeviceDisconnectedCallback) (void *clientdata, int deviceID)
	Called when a USB audio device is disconnected. More...

typedef struct Superpowered::AndroidUSBAudioIOInfo	AndroidUSBAudioIOInfo
	Information about an audio input or output. More...

typedef bool(*	AndroidUSBAudioProcessingCallback) (void clientdata, int deviceID, float audioIO, int numberOfFrames, int samplerate, int numberOfInputChannels, int numberOfOutputChannels)
	This is the prototype of an audio processing callback function. More...

typedef void(*	AndroidUSBMIDIDeviceConnectedCallback) (void clientdata, int deviceID, const char manufacturer, const char *product)
	Called when a USB MIDI device is connected. More...

typedef void(*	AndroidUSBMIDIDeviceDisconnectedCallback) (void *clientdata, int deviceID)
	Called when a USB MIDI device is disconnected. More...

typedef void(*	AndroidUSBMIDIReceivedCallback) (void clientdata, int deviceID, unsigned char data, int bytes)
	This is the prototype of a MIDI callback function. More...

typedef struct Superpowered::AudiopointerlistElement	AudiopointerlistElement
	An audio buffer list item. More...

typedef enum Superpowered::Decoder_Format	Decoder_Format
	File/decoder format. More...

typedef enum Superpowered::FilterType	FilterType
	Superpowered filter types and their effective parameters: More...

typedef struct Superpowered::httpData	httpData
	A key/value pair used for custom data or headers in requests. More...

typedef enum Superpowered::httpDataMode	httpDataMode
	The mode for passing key/value data. More...

typedef void(*	httpLogCallback) (void clientData, const char str)
	Human readable HTTP transfer log. More...

typedef bool(*	httpRequestCallback) (void clientData, httpRequest request, httpResponse *response)
	Receive the progress of a httpRequest or the result of an asynchronous request with this callback. More...

typedef enum Superpowered::JogMode	JogMode
	Jog Wheel Mode, to be used with the jogT... methods. More...

typedef enum Superpowered::PlayerEvent	PlayerEvent
	Player events. More...

typedef enum Superpowered::SyncMode	SyncMode
	Synchronization modes. More...

Enumerations
enum	AndroidUSBAudioBufferSize { AndroidUSBAudioBufferSize_VeryLow = 128, AndroidUSBAudioBufferSize_Low = 256, AndroidUSBAudioBufferSize_Mid = 512 }
	Audio latency settings. More...

enum	Decoder_Format { Decoder_Format_MP3, Decoder_Format_AAC, Decoder_Format_AIFF, Decoder_Format_WAV, Decoder_Format_MediaServer }
	File/decoder format. More...

enum	FilterType { Resonant_Lowpass = 0, Resonant_Highpass = 1, Bandlimited_Bandpass = 2, Bandlimited_Notch = 3, LowShelf = 4, HighShelf = 5, Parametric = 6, CustomCoefficients = 7 }
	Superpowered filter types and their effective parameters: More...

enum	hashType { NOHASH = 0, MD5, SHA1, SHA224, SHA256, SHA384, SHA512 }
	Hash type. More...

enum	httpDataMode { Constant, Free, AlignedFree, Copy }
	The mode for passing key/value data. More...

enum	JogMode { JogMode_Scratch, JogMode_PitchBend, JogMode_Parameter }
	Jog Wheel Mode, to be used with the jogT... methods. More...

enum	OnConnectReturn { AudioAndMIDISuccess, AudioSuccess, MIDISuccess, NotRecognized }
	Audio latency settings. More...

enum	PlayerEvent { PlayerEvent_None = 0, PlayerEvent_Opening = 1, PlayerEvent_OpenFailed = 2, PlayerEvent_Opened = 10, PlayerEvent_ConnectionLost = 3, PlayerEvent_ProgressiveDownloadFinished = 11 }
	Player events. More...

enum	SyncMode { SyncMode_None, SyncMode_Tempo, SyncMode_TempoAndBeat }
	Synchronization modes. More...

Functions
void	Add1 (float input, float output, unsigned int numberOfItems)
	Adds the values in input to the values in output: output[n] += input[n]. More...

void	Add2 (float inputA, float inputB, float *output, unsigned int numberOfItems)
	Adds the values in two inputs to the values in output: output[n] += inputA[n] + inputB[n]. More...

void	Add4 (float inputA, float inputB, float inputC, float inputD, float *output, unsigned int numberOfItems)
	Adds the values in four inputs to the values in output: output[n] += inputA[n] + inputB[n] + inputC[n] + inputD[n]. More...

int	base64Decode (const char input, char output, const unsigned char *customTable=0)
	Base64 decoding. More...

int	base64Encode (const char input, int inputLengthBytes, char output, bool linebreakEvery64=false)
	Base64 encoding. More...

int	base64EncodeGetMaxOutputBytes (int length)
	Returns with the maximum bytes needed to store a base64 result. More...

void	Bit24ToFloat (void input, float output, unsigned int numberOfFrames, unsigned int numChannels=2)
	Converts 24-bit audio to 32-bit floating point. More...

void	ChangeVolume (float input, float output, float volumeStart, float volumeChange, unsigned int numberOfFrames)
	Applies volume on a single stereo interleaved buffer: output = input * gain. More...

void	ChangeVolumeAdd (float input, float output, float volumeStart, float volumeChange, unsigned int numberOfFrames)
	Applies volume on a single stereo interleaved buffer and adds it to the audio in the output buffer: output = output + input * gain. More...

void	CharToFloat (signed char input, float output, unsigned int numberOfFrames, unsigned int numChannels=2)
	Converts 8-bit audio to 32-bit floating point. More...

void	closeWAV (FILE *fd)
	Closes a 16-bit stereo WAV file. More...

FILE *	createWAV (const char *path, unsigned int samplerate, unsigned char numChannels)
	Creates a 16-bit WAV file. More...

void	CrossMono (float inputA, float inputB, float *output, float inputAGainStart, float inputAGainEnd, float inputBGainStart, float inputBGainEnd, unsigned int numberOfFrames)
	Crossfades two mono input channels into a mono output: output = inputA * gain + inputB + gain. More...

void	CrossStereo (float inputA, float inputB, float *output, float inputAGainStart, float inputAGainEnd, float inputBGainStart, float inputBGainEnd, unsigned int numberOfFrames)
	Crossfades two stereo inputs into a stereo output: output = inputA * gain + inputB + gain. More...

void	DeInterleave (float input, float left, float *right, unsigned int numberOfFrames)
	Deinterleaves an interleaved stereo input to two mono output channels: left = [L, L, L, L, ...], right = [R, R, R, R, ...]. More...

void	DeInterleaveAdd (float input, float left, float *right, unsigned int numberOfFrames)
	Deinterleaves an interleaved stereo input and adds the results to the two mono output channels: left = left + [L, L, L, L, ...], right = right + [R, R, R, R, ...]. More...

void	DeInterleaveMultiply (float input, float left, float *right, unsigned int numberOfFrames, float multiplier)
	Deinterleaves an interleaved stereo input to two mono output channels and multiplies the output (gain): left = [L, L, L, L, ...] * gain, right = [R, R, R, R, ...] * gain. More...

void	DeInterleaveMultiplyAdd (float input, float left, float *right, unsigned int numberOfFrames, float multiplier)
	Deinterleaves an interleaved stereo input to two mono output channels, multiplies the result (gain) and and adds the results to the two mono output channels: left = left + [L, L, L, L, ...] * gain, right = right + [R, R, R, R, ...] * gain. More...

char *	DERtoPEM (const char *der, int inputLengthBytes, bool privateKey)
	Creates a new string in PEM format from DER data. More...

float	DotProduct (float inputA, float inputB, unsigned int numValues)
	Calculates the dot product of two vectors. More...

void	DynamicDestroy ()
	Use this if Superpowered is used in a dynamically loaded library (such as a DLL on Windows), when the dynamically loaded library instance unloads (even if multiple loads may happen). More...

void	DynamicInitialize (const char *licenseKey)
	Use this if Superpowered is loaded in a dynamically loaded library (such as a DLL on Windows). More...

void	FFTComplex (float real, float imag, int logSize, bool forward)
	Complex in-place FFT. More...

void	FFTReal (float real, float imag, int logSize, bool forward)
	Real in-place FFT. More...

void	FloatTo24bit (float input, void output, unsigned int numberOfFrames, unsigned int numChannels=2)
	Converts 32-bit floating point audio to 24-bit. More...

void	FloatToChar (float input, signed char output, unsigned int numberOfFrames, unsigned int numChannels=2)
	Converts 32-bit floating point audio 8-bit audio. More...

void	FloatToInt (float input, int output, unsigned int numberOfFrames, unsigned int numChannels=2)
	Converts 32-bit floating point audio to 32-bit integer. More...

void	FloatToShortInt (float input, short int output, unsigned int numberOfFrames, unsigned int numChannels=2)
	Converts 32-bit float input to 16-bit signed integer output. More...

void	FloatToShortIntInterleave (float inputLeft, float inputRight, short int *output, unsigned int numberOfFrames)
	Converts two 32-bit mono float input channels to stereo interleaved 16-bit signed integer output. More...

float	frequencyOfNote (int note)

unsigned char	hashGetSizeBytes (hashType type)
	The hash size in bytes based on the hash type. More...

bool	HasNonFinite (float *buffer, unsigned int numberOfValues)
	Checks if the audio samples has non-valid values, such as infinity or NaN (not a number). More...

void	Initialize (const char *licenseKey, bool enableAudioAnalysis, bool enableFFTAndFrequencyDomain, bool enableAudioTimeStretching, bool enableAudioEffects, bool enableAudioPlayerAndDecoder, bool enableCryptographics, bool enableNetworking)
	Initializes the Superpowered SDKs. More...

void	Interleave (float left, float right, float *output, unsigned int numberOfFrames)
	Makes an interleaved stereo output from two mono input channels: output = [L, R, L, R, ...]. More...

void	InterleaveAdd (float left, float right, float *output, unsigned int numberOfFrames)

void	InterleaveAndGetPeaks (float left, float right, float output, unsigned int numberOfFrames, float peaks)
	Makes an interleaved output from two input channels and measures the volume: output = [L, R, L, R, ...]. More...

void	IntToFloat (int input, float output, unsigned int numberOfFrames, unsigned int numChannels=2)
	Converts 32-bit integer audio to 32-bit floating point. More...

void	MidSideToStereo (float input, float output, unsigned int numberOfFrames)
	Converts a mid-side signal to stereo. More...

float	Peak (float *input, unsigned int numberOfValues)

int	PEMtoDER (char *inputOutput)
	Converts a memory buffer with PEM format string to DER format. More...

void	PolarFFT (float mag, float phase, int logSize, bool forward, float valueOfPi=0)
	Polar FFT. More...

bool	printToString (char *str, int maxBytesNeeded, const char format,...)
	Helper function to create a string with the same text that would be printed if format was used on printf, but instead of being printed, the content is stored as a C string. More...

void	ShortIntToFloat (short int input, float output, unsigned int numberOfFrames, float *peaks)
	Converts stereo interleaved 16-bit signed integer input to stereo interleaved 32-bit float output, and provides peak measurement. More...

void	ShortIntToFloat (short int input, float output, unsigned int numberOfFrames, unsigned int numChannels=2)
	Converts 16-bit signed integer input to 32-bit float output. More...

unsigned char	simpleHash (hashType type, unsigned int inputLengthBytes, const unsigned char input, unsigned char hash)
	Performs a simple hashing operation in one convenient line. More...

void	simpleHMAC (hashType type, const unsigned char key, int keyLengthBytes, const unsigned char input, int inputLengthBytes, unsigned char *output)
	Performs a simple hash-based message authentication code operation in one convenient line. More...

const char *	statusCodeToString (int code, const char *defaultString)
	User readable error string from a status code (including HTTP status codes). More...

void	StereoToMidSide (float input, float output, unsigned int numberOfFrames)
	Converts a stereo signal to mid-side. More...

void	StereoToMono (float input, float output, float leftGainStart, float leftGainEnd, float rightGainStart, float rightGainEnd, unsigned int numberOfFrames)
	Makes mono output from stereo interleaved input: output = [L + R], [L + R], [L + R], ... More...

char *	urlDecode (char input, char output)
	URL decode. More...

char *	urlEncode (char input, char output, bool spaceIsPlus=false)
	URL encode. More...

int	urlEncodeGetMaxOutputBytes (int length)
	Returns with the maximum bytes needed to store a URL encoded result. More...

unsigned int	Version ()

void	Volume (float input, float output, float volumeStart, float volumeEnd, unsigned int numberOfFrames)
	Applies volume on a single stereo interleaved buffer: output = input * gain. More...

void	VolumeAdd (float input, float output, float volumeStart, float volumeEnd, unsigned int numberOfFrames)
	Applies volume on a single stereo interleaved buffer and adds it to the audio in the output buffer: output = output + input * gain. More...

bool	writeWAV (FILE fd, short int audio, unsigned int numberOfBytes)
	Writes audio into a WAV file. More...

Typedef Documentation

◆ AndroidUSBAudioDeviceConnectedCallback

typedef void(* Superpowered::AndroidUSBAudioDeviceConnectedCallback) (void *clientdata, int deviceID, const char *manufacturer, const char *product, const char *info)

Called when a USB audio device is connected.

Parameters

clientdata	Some custom pointer you set at AndroidUSB::initialize().
deviceID	Device identifier.
manufacturer	Manufacturer name.
product	Product name.
info	Detailed, user-readable USB information about the device.

◆ AndroidUSBAudioDeviceDisconnectedCallback

typedef void(* Superpowered::AndroidUSBAudioDeviceDisconnectedCallback) (void *clientdata, int deviceID)

Called when a USB audio device is disconnected.

Parameters

clientdata	Some custom pointer you set at AndroidUSB::initialize().
deviceID	Device identifier.

◆ AndroidUSBAudioIOInfo

typedef struct Superpowered::AndroidUSBAudioIOInfo Superpowered::AndroidUSBAudioIOInfo

Information about an audio input or output.

◆ AndroidUSBAudioProcessingCallback

typedef bool(* Superpowered::AndroidUSBAudioProcessingCallback) (void *clientdata, int deviceID, float *audioIO, int numberOfFrames, int samplerate, int numberOfInputChannels, int numberOfOutputChannels)

This is the prototype of an audio processing callback function.

Audio input is available in audioIO, and the application should change it's contents for audio output.

Returns: Return with false for no audio output (silence), true otherwise.

Parameters

clientdata	A custom pointer your callback receives.
deviceID	USB device identifier.
audioIO	32-bit interleaved audio input and/or output.
numberOfFrames	The number of frames.
samplerate	The current sample rate in Hz.
numberOfInputChannels	Number of available input channels.
numberOfOutputChannels	Number of available output channels.

◆ AndroidUSBMIDIDeviceConnectedCallback

typedef void(* Superpowered::AndroidUSBMIDIDeviceConnectedCallback) (void *clientdata, int deviceID, const char *manufacturer, const char *product)

Called when a USB MIDI device is connected.

Parameters

clientdata	Some custom pointer you set at AndroidUSB::initialize().
deviceID	Device identifier.
manufacturer	Manufacturer name.
product	Product name.

◆ AndroidUSBMIDIDeviceDisconnectedCallback

typedef void(* Superpowered::AndroidUSBMIDIDeviceDisconnectedCallback) (void *clientdata, int deviceID)

Called when a USB MIDI device is disconnected.

Parameters

clientdata	Some custom pointer you set at AndroidUSB::initialize().
deviceID	Device identifier.

◆ AndroidUSBMIDIReceivedCallback

typedef void(* Superpowered::AndroidUSBMIDIReceivedCallback) (void *clientdata, int deviceID, unsigned char *data, int bytes)

This is the prototype of a MIDI callback function.

Parameters

clientdata	A custom pointer your callback receives.
deviceID	USB device identifier.
data	Raw MIDI data.
bytes	Number of bytes.

◆ AudiopointerlistElement

typedef struct Superpowered::AudiopointerlistElement Superpowered::AudiopointerlistElement

An audio buffer list item.

◆ Decoder_Format

typedef enum Superpowered::Decoder_Format Superpowered::Decoder_Format

File/decoder format.

◆ FilterType

typedef enum Superpowered::FilterType Superpowered::FilterType

Superpowered filter types and their effective parameters:

◆ httpData

typedef struct Superpowered::httpData Superpowered::httpData

A key/value pair used for custom data or headers in requests.

◆ httpDataMode

typedef enum Superpowered::httpDataMode Superpowered::httpDataMode

The mode for passing key/value data.

◆ httpLogCallback

typedef void(* Superpowered::httpLogCallback) (void *clientData, const char *str)

Human readable HTTP transfer log.

Parameters

clientData	Your custom data.
str	Log string.

◆ httpRequestCallback

typedef bool(* Superpowered::httpRequestCallback) (void *clientData, httpRequest *request, httpResponse *response)

Receive the progress of a httpRequest or the result of an asynchronous request with this callback.

Parameters

clientData	Your custom data.
request	The initiating request instance.
response	HTTP response.

Returns: Return with true to continue the transfer or false to cancel immediately.

◆ JogMode

typedef enum Superpowered::JogMode Superpowered::JogMode

Jog Wheel Mode, to be used with the jogT... methods.

◆ PlayerEvent

typedef enum Superpowered::PlayerEvent Superpowered::PlayerEvent

Player events.

◆ SyncMode

typedef enum Superpowered::SyncMode Superpowered::SyncMode

Synchronization modes.

Enumeration Type Documentation

◆ AndroidUSBAudioBufferSize

enum Superpowered::AndroidUSBAudioBufferSize

Audio latency settings.

Enumerator
AndroidUSBAudioBufferSize_VeryLow
AndroidUSBAudioBufferSize_Low
AndroidUSBAudioBufferSize_Mid

◆ Decoder_Format

enum Superpowered::Decoder_Format

File/decoder format.

Enumerator
Decoder_Format_MP3	MP3.
Decoder_Format_AAC	AAC, HE-AAC.
Decoder_Format_AIFF	AIFF.
Decoder_Format_WAV	WAV.
Decoder_Format_MediaServer	Other format decoded by iOS, macOS or tvOS.

◆ FilterType

enum Superpowered::FilterType

Superpowered filter types and their effective parameters:

Enumerator
Resonant_Lowpass	frequency, resonance
Resonant_Highpass	frequency, resonance
Bandlimited_Bandpass	frequency, octave
Bandlimited_Notch	frequency, octave
LowShelf	frequency, slope, decibel
HighShelf	frequency, slope, decibel
Parametric	frequency, octave, decibel
CustomCoefficients

◆ hashType

enum Superpowered::hashType

Hash type.

Enumerator
NOHASH
MD5
SHA1
SHA224
SHA256
SHA384
SHA512

◆ httpDataMode

enum Superpowered::httpDataMode

The mode for passing key/value data.

Enumerator
Constant	The key or value points to a constant in memory, such as constant string "hello".
Free	The object will take ownership on the key or value and will free up the memory using free().
AlignedFree	For Windows: the object will take ownership on the key or value and will free up the memory using _aligned_free().
Copy	The object will NOT take ownership on the key or value, but will copy the contents and use the copy.

◆ JogMode

enum Superpowered::JogMode

Jog Wheel Mode, to be used with the jogT... methods.

Enumerator
JogMode_Scratch	Jog wheel controls scratching.
JogMode_PitchBend	Jog wheel controls pitch bend.
JogMode_Parameter	Jog wheel changes a parameter.

◆ OnConnectReturn

enum Superpowered::OnConnectReturn

Audio latency settings.

Enumerator
AudioAndMIDISuccess	Both audio and MIDI is recognized and connected.
AudioSuccess	Audio is recognized and connected, MIDI not recognized.
MIDISuccess	MIDI is recognized and connected, audio not recognized.
NotRecognized	Found no audio or MIDI features for this device.

◆ PlayerEvent

enum Superpowered::PlayerEvent

Player events.

Enumerator
PlayerEvent_None	Open was not called yet.
PlayerEvent_Opening	Trying to open the content.
PlayerEvent_OpenFailed	Failed to open the content.
PlayerEvent_Opened	Successfully opened the content, playback can begin.
PlayerEvent_ConnectionLost	Network connection lost to the HLS stream or progressive download. Can only be "recovered" by a new open(). May happen after PlayerEvent_Opened has been delivered.
PlayerEvent_ProgressiveDownloadFinished	The content finished downloading and is fully available locally. May happen after PlayerEvent_Opened has been delivered.

◆ SyncMode

enum Superpowered::SyncMode

Synchronization modes.

Enumerator
SyncMode_None	No synchronization.
SyncMode_Tempo	Sync tempo only.
SyncMode_TempoAndBeat	Sync tempo and beat.

Function Documentation

◆ Add1()

Superpowered::Add1	(	float *	input,
		float *	output,
		unsigned int	numberOfItems
	)

Adds the values in input to the values in output: output[n] += input[n].

Parameters

input	Pointer to floating point numbers. Input data.
output	Pointer to floating point numbers. Output data.
numberOfItems	The length of input.

◆ Add2()

Superpowered::Add2	(	float *	inputA,
		float *	inputB,
		float *	output,
		unsigned int	numberOfItems
	)

Adds the values in two inputs to the values in output: output[n] += inputA[n] + inputB[n].

Parameters

inputA	Pointer to floating point numbers. Input data.
inputB	Pointer to floating point numbers. Input data.
output	Pointer to floating point numbers. Output data.
numberOfItems	The length of input.

◆ Add4()

Superpowered::Add4	(	float *	inputA,
		float *	inputB,
		float *	inputC,
		float *	inputD,
		float *	output,
		unsigned int	numberOfItems
	)

Adds the values in four inputs to the values in output: output[n] += inputA[n] + inputB[n] + inputC[n] + inputD[n].

Parameters

inputA	Pointer to floating point numbers. Input data.
inputB	Pointer to floating point numbers. Input data.
inputC	Pointer to floating point numbers. Input data.
inputD	Pointer to floating point numbers. Input data.
output	Pointer to floating point numbers. Output data.
numberOfItems	The length of input.

◆ base64Decode()

int Superpowered::base64Decode	(	const char *	input,
		char *	output,
		const unsigned char *	customTable = `0`
	)

Base64 decoding.

Parameters

input	Base64 encoded input string.
output	The buffer for the decoded string. Must be big enough to store the output. Can be equal to input for in-place processing. Will be 0 terminated.
customTable	Reserved.

Returns: String length (strlen) of output.

◆ base64Encode()

int Superpowered::base64Encode	(	const char *	input,
		int	inputLengthBytes,
		char *	output,
		bool	linebreakEvery64 = `false`
	)

Base64 encoding.

Parameters

input	Input string.
inputLengthBytes	Size of the input in bytes (not including trailing zero, can use strlen for this).
output	Output buffer. Must be big enough to store the output (base64EncodeGetMaxOutputBytes can help). Can not be equal to input (in-place processing not supported). Will be 0 terminated.
linebreakEvery64	Set it to true to put a line break after every 64th character.

Returns: String length (strlen) of output.

◆ base64EncodeGetMaxOutputBytes()

int Superpowered::base64EncodeGetMaxOutputBytes ( int length )

Returns with the maximum bytes needed to store a base64 result.

Parameters

length Input length in bytes.

Returns: The maximum bytes needed to store a base64 result.

◆ Bit24ToFloat()

Superpowered::Bit24ToFloat	(	void *	input,
		float *	output,
		unsigned int	numberOfFrames,
		unsigned int	numChannels = `2`
	)

Converts 24-bit audio to 32-bit floating point.

Parameters

input	Input buffer pointer.
output	Pointer to floating point numbers. 32-bit output.
numberOfFrames	The number of frames to process.
numChannels	The number of channels.

◆ ChangeVolume()

Superpowered::ChangeVolume	(	float *	input,
		float *	output,
		float	volumeStart,
		float	volumeChange,
		unsigned int	numberOfFrames
	)

Applies volume on a single stereo interleaved buffer: output = input * gain.

Parameters

input	Pointer to floating point numbers. 32-bit interleaved stereo input.
output	Pointer to floating point numbers. 32-bit interleaved stereo output. Can be equal to input (in-place processing).
volumeStart	Voume for the first frame.
volumeChange	Change volume by this amount for every frame.
numberOfFrames	The number of frames to process.

◆ ChangeVolumeAdd()

Superpowered::ChangeVolumeAdd	(	float *	input,
		float *	output,
		float	volumeStart,
		float	volumeChange,
		unsigned int	numberOfFrames
	)

Applies volume on a single stereo interleaved buffer and adds it to the audio in the output buffer: output = output + input * gain.

Parameters

input	Pointer to floating point numbers. 32-bit interleaved stereo input.
output	Pointer to floating point numbers. 32-bit interleaved stereo output.
volumeStart	Volume for the first frame.
volumeChange	Change volume by this amount for every frame.
numberOfFrames	The number of frames to process.

◆ CharToFloat()

Superpowered::CharToFloat	(	signed char *	input,
		float *	output,
		unsigned int	numberOfFrames,
		unsigned int	numChannels = `2`
	)

Converts 8-bit audio to 32-bit floating point.

Parameters

input	Pointer to signed bytes. 8-bit input.
output	Pointer to floating point numbers. 32-bit output.
numberOfFrames	The number of frames to process.
numChannels	The number of channels.

◆ closeWAV()

void Superpowered::closeWAV ( FILE * fd )

Closes a 16-bit stereo WAV file.

fclose() is not enough to create a valid a WAV file, use this function to close it.

Parameters

fd	The file handle to close.

◆ createWAV()

FILE * Superpowered::createWAV	(	const char *	path,
		unsigned int	samplerate,
		unsigned char	numChannels
	)

Creates a 16-bit WAV file.

After createWAV, write audio data using the writeWAV() function or fwrite(). Close the file with the closeWAV() function. Never use direct disk writing in a real-time audio processing thread, use the Superpowered Recorder class in that case.

Returns: A file handle (success) or NULL (error).

Parameters

path	The full filesystem path of the file.
samplerate	Sample rate of the file in Hz.
numChannels	The number of channels.

◆ CrossMono()

Superpowered::CrossMono	(	float *	inputA,
		float *	inputB,
		float *	output,
		float	inputAGainStart,
		float	inputAGainEnd,
		float	inputBGainStart,
		float	inputBGainEnd,
		unsigned int	numberOfFrames
	)

Crossfades two mono input channels into a mono output: output = inputA * gain + inputB + gain.

Parameters

inputA	Pointer to floating point numbers. First mono input.
inputB	Pointer to floating point numbers. Second mono input.
output	Pointer to floating point numbers. Mono output. Can be equal with one of the inputs (in-place processing).
inputAGainStart	Gain of the first sample on the first input.
inputAGainEnd	Gain for the last sample on the first input. Gain will be smoothly calculated between start end end.
inputBGainStart	Gain of the first sample on the second input.
inputBGainEnd	Gain for the last sample on the second input. Gain will be smoothly calculated between start end end.
numberOfFrames	The number of frames to process.

◆ CrossStereo()

Superpowered::CrossStereo	(	float *	inputA,
		float *	inputB,
		float *	output,
		float	inputAGainStart,
		float	inputAGainEnd,
		float	inputBGainStart,
		float	inputBGainEnd,
		unsigned int	numberOfFrames
	)

Crossfades two stereo inputs into a stereo output: output = inputA * gain + inputB + gain.

Parameters

inputA	Pointer to floating point numbers. Interleaved stereo input (first).
inputB	Pointer to floating point numbers. Interleaved stereo input (second).
output	Pointer to floating point numbers. Interleaved stereo output. Can be equal with one of the inputs (in-place processing).
inputAGainStart	Gain of the first sample on the first input.
inputAGainEnd	Gain for the last sample on the first input. Gain will be smoothly calculated between start end end.
inputBGainStart	Gain of the first sample on the second input.
inputBGainEnd	Gain for the last sample on the second input. Gain will be smoothly calculated between start end end.
numberOfFrames	The number of frames to process.

◆ DeInterleave()

Superpowered::DeInterleave	(	float *	input,
		float *	left,
		float *	right,
		unsigned int	numberOfFrames
	)

Deinterleaves an interleaved stereo input to two mono output channels: left = [L, L, L, L, ...], right = [R, R, R, R, ...].

Parameters

input	Pointer to floating point numbers. Stereo interleaved input.
left	Pointer to floating point numbers. Mono output for left channel.
right	Pointer to floating point numbers. Mono output for right channel.
numberOfFrames	The number of frames to process.

◆ DeInterleaveAdd()

Superpowered::DeInterleaveAdd	(	float *	input,
		float *	left,
		float *	right,
		unsigned int	numberOfFrames
	)

Deinterleaves an interleaved stereo input and adds the results to the two mono output channels: left = left + [L, L, L, L, ...], right = right + [R, R, R, R, ...].

Parameters

input	Pointer to floating point numbers. Stereo interleaved input.
left	Pointer to floating point numbers. Mono output for left channel.
right	Pointer to floating point numbers. Mono output for right channel.
numberOfFrames	The number of frames to process.

◆ DeInterleaveMultiply()

Superpowered::DeInterleaveMultiply	(	float *	input,
		float *	left,
		float *	right,
		unsigned int	numberOfFrames,
		float	multiplier
	)

Deinterleaves an interleaved stereo input to two mono output channels and multiplies the output (gain): left = [L, L, L, L, ...] * gain, right = [R, R, R, R, ...] * gain.

Parameters

input	Pointer to floating point numbers. Stereo interleaved input.
left	Pointer to floating point numbers. Mono output for left channel.
right	Pointer to floating point numbers. Mono output for right channel.
numberOfFrames	The number of frames to process.
multiplier	Multiply each output sample with this value.

◆ DeInterleaveMultiplyAdd()

Superpowered::DeInterleaveMultiplyAdd	(	float *	input,
		float *	left,
		float *	right,
		unsigned int	numberOfFrames,
		float	multiplier
	)

Deinterleaves an interleaved stereo input to two mono output channels, multiplies the result (gain) and and adds the results to the two mono output channels: left = left + [L, L, L, L, ...] * gain, right = right + [R, R, R, R, ...] * gain.

Parameters

input	Pointer to floating point numbers. Stereo interleaved input.
left	Pointer to floating point numbers. Mono output for left channel.
right	Pointer to floating point numbers. Mono output for right channel.
numberOfFrames	The number of frames to process.
multiplier	Multiply each output sample with this value.

◆ DERtoPEM()

char* Superpowered::DERtoPEM	(	const char *	der,
		int	inputLengthBytes,
		bool	privateKey
	)

Creates a new string in PEM format from DER data.

Parameters

der	Input data in DER format.
inputLengthBytes	DER length bytes.
privateKey	True for private key, false for public key.

Returns: A new string in PEM format or NULL on memory allocation error. Don't forget to free() this at a later point to prevent memory leaks!

◆ DotProduct()

Superpowered::DotProduct	(	float *	inputA,
		float *	inputB,
		unsigned int	numValues
	)

Calculates the dot product of two vectors.

Parameters

inputA	Pointer to floating point numbers. First input vector.
inputB	Pointer to floating point numbers. Second input vector.
numValues	Number of value pairs to process.

Returns: The dot product.

◆ DynamicDestroy()

Superpowered::DynamicDestroy ( )

Use this if Superpowered is used in a dynamically loaded library (such as a DLL on Windows), when the dynamically loaded library instance unloads (even if multiple loads may happen).

This function will block waiting for all Superpowered background threads to exit when the last instance of the library is unloaded. Please note that you still need to "properly" release all Superpowered objects before this call, such as delete all players, effects, etc.

◆ DynamicInitialize()

Superpowered::DynamicInitialize ( const char * licenseKey )

Use this if Superpowered is loaded in a dynamically loaded library (such as a DLL on Windows).

It allows for multiple loads (DLL in a VST host example). Enables all features.

Parameters

licenseKey Visit https://superpowered.com/dev to register license keys.

◆ FFTComplex()

Superpowered::FFTComplex	(	float *	real,
		float *	imag,
		int	logSize,
		bool	forward
	)

Complex in-place FFT.

Data packing is same as Apple's vDSP. Check the "Using Fourier Transforms" page of Apple's vDSP documentation ("Data Packing for Real FFTs").

Parameters

real	Pointer to floating point numbers. Real part.
imag	Pointer to floating point numbers. Imaginary part.
logSize	Should be between 4 and 12 (FFT sizes 16 - 4096).
forward	Forward or inverse.

◆ FFTReal()

Superpowered::FFTReal	(	float *	real,
		float *	imag,
		int	logSize,
		bool	forward
	)

Real in-place FFT.

Data packing is same as Apple's vDSP. Check the "Using Fourier Transforms" page of Apple's vDSP documentation ("Data Packing for Real FFTs").

Parameters

real	Pointer to floating point numbers. Real part.
imag	Pointer to floating point numbers. Imaginary part.
logSize	Should be 5 - 13 (FFT sizes 32 - 8192).
forward	Forward or inverse.

◆ FloatTo24bit()

Superpowered::FloatTo24bit	(	float *	input,
		void *	output,
		unsigned int	numberOfFrames,
		unsigned int	numChannels = `2`
	)

Converts 32-bit floating point audio to 24-bit.

Parameters

input	Pointer to floating point numbers. 32-bit input.
output	Output buffer pointer.
numberOfFrames	The number of frames to process.
numChannels	The number of channels.

◆ FloatToChar()

Superpowered::FloatToChar	(	float *	input,
		signed char *	output,
		unsigned int	numberOfFrames,
		unsigned int	numChannels = `2`
	)

Converts 32-bit floating point audio 8-bit audio.

Parameters

input	Pointer to floating point numbers. 32-bit input.
output	Pointer to signed bytes. 8-bit output.
numberOfFrames	The number of frames to process.
numChannels	The number of channels.

◆ FloatToInt()

Superpowered::FloatToInt	(	float *	input,
		int *	output,
		unsigned int	numberOfFrames,
		unsigned int	numChannels = `2`
	)

Converts 32-bit floating point audio to 32-bit integer.

Parameters

input	Pointer to floating point numbers. 32-bit input.
output	Pointer to integer numbers. 32-bit output.
numberOfFrames	The number of frames to process.
numChannels	The number of channels.

◆ FloatToShortInt()

Superpowered::FloatToShortInt	(	float *	input,
		short int *	output,
		unsigned int	numberOfFrames,
		unsigned int	numChannels = `2`
	)

Converts 32-bit float input to 16-bit signed integer output.

Parameters

input	Pointer to floating point numbers. 32-bit input.
output	Pointer to short integer numbers. 16-bit output.
numberOfFrames	The number of frames to process.
numChannels	The number of channels.

◆ FloatToShortIntInterleave()

Superpowered::FloatToShortIntInterleave	(	float *	inputLeft,
		float *	inputRight,
		short int *	output,
		unsigned int	numberOfFrames
	)

Converts two 32-bit mono float input channels to stereo interleaved 16-bit signed integer output.

Parameters

inputLeft	Pointer to floating point numbers. 32-bit input for the left side. Should be numberOfFrames + 8 big minimum.
inputRight	Pointer to floating point numbers. 32-bit input for the right side. Should be numberOfFrames + 8 big minimum.
output	Pointer to short integer numbers. Stereo interleaved 16-bit output. Should be numberOfFrames * 2 + 16 big minimum.
numberOfFrames	The number of frames to process.

◆ frequencyOfNote()

float Superpowered::frequencyOfNote ( int note )

Returns: Returns the frequency of a specific note.

Parameters

note	The number of the note. Note 0 is the standard A note at 440 Hz.

◆ hashGetSizeBytes()

unsigned char Superpowered::hashGetSizeBytes ( hashType type )

The hash size in bytes based on the hash type.

It doesn't require any hasher structure to be initialized.

Parameters

type	The hash type.

Returns: The hash size in bytes. Will be 0 for NOHASH.

◆ HasNonFinite()

Superpowered::HasNonFinite	(	float *	buffer,
		unsigned int	numberOfValues
	)

Checks if the audio samples has non-valid values, such as infinity or NaN (not a number).

Parameters

buffer	Pointer to floating point numbers to check.
numberOfValues	Number of values in the buffer. Please note, this is NOT numberOfFrames. You need to provide the number of numbers in the buffer.

◆ Initialize()

Superpowered::Initialize	(	const char *	licenseKey,
		bool	enableAudioAnalysis,
		bool	enableFFTAndFrequencyDomain,
		bool	enableAudioTimeStretching,
		bool	enableAudioEffects,
		bool	enableAudioPlayerAndDecoder,
		bool	enableCryptographics,
		bool	enableNetworking
	)

Initializes the Superpowered SDKs.

Use this only once, when your app or library initializes. Do not use this if Superpowered is loaded dynamically and might be loaded multiple times (a DLL in a VST host for example).

See also: DynamicInitialize

Parameters

licenseKey	Visit https://superpowered.com/dev to register license keys.
enableAudioAnalysis	Enables Analyzer, LiveAnalyzer, Waveform and BandpassFilterbank.
enableFFTAndFrequencyDomain	Enables FrequencyDomain, FFTComplex, FFTReal and PolarFFT.
enableAudioTimeStretching	Enables TimeStretching.
enableAudioEffects	Enables all effects and every class based on the FX class.
enableAudioPlayerAndDecoder	Enables AdvancedAudioPlayer and Decoder.
enableCryptographics	Enables RSAPublicKey,RSAPrivateKey, hasher and AES.
enableNetworking	Enables httpRequest.

◆ Interleave()

Superpowered::Interleave	(	float *	left,
		float *	right,
		float *	output,
		unsigned int	numberOfFrames
	)

Makes an interleaved stereo output from two mono input channels: output = [L, R, L, R, ...].

Makes an interleaved stereo output from two mono input channels and adds the result to the audio in the output buffer: output = output + [L, R, L, R, ...].

Parameters

left	Pointer to floating point numbers. Mono input for left channel.
right	Pointer to floating point numbers. Mono input for right channel.
output	Pointer to floating point numbers. Stereo interleaved output.
numberOfFrames	The number of frames to process.

◆ InterleaveAdd()

void Superpowered::InterleaveAdd	(	float *	left,
		float *	right,
		float *	output,
		unsigned int	numberOfFrames
	)

◆ InterleaveAndGetPeaks()

Superpowered::InterleaveAndGetPeaks	(	float *	left,
		float *	right,
		float *	output,
		unsigned int	numberOfFrames,
		float *	peaks
	)

Makes an interleaved output from two input channels and measures the volume: output = [L, R, L, R, ...].

Parameters

left	Pointer to floating point numbers. Mono input for left channel.
right	Pointer to floating point numbers. Mono input for right channel.
output	Pointer to floating point numbers. Stereo interleaved output.
numberOfFrames	The number of frames to process.
peaks	Pointer to two floating point numbers. Peak value result (left, right).

◆ IntToFloat()

Superpowered::IntToFloat	(	int *	input,
		float *	output,
		unsigned int	numberOfFrames,
		unsigned int	numChannels = `2`
	)

Converts 32-bit integer audio to 32-bit floating point.

Parameters

input	Pointer to integer numbers. 32-bit input.
output	Pointer to floating point numbers. 32-bit output.
numberOfFrames	The number of frames to process.
numChannels	The number of channels.

◆ MidSideToStereo()

Superpowered::MidSideToStereo	(	float *	input,
		float *	output,
		unsigned int	numberOfFrames
	)

Converts a mid-side signal to stereo.

Parameters

input	Pointer to floating point numbers. Mid-side interleaved input.
output	Pointer to floating point numbers. Interleaved stereo output. Can be equal to input (in-place processing).
numberOfFrames	The number of frames to process.

◆ Peak()

Superpowered::Peak	(	float *	input,
		unsigned int	numberOfValues
	)

Returns: Returns the peak absolute value. Useful for metering.

Parameters

input	Pointer to floating point numbers.
numberOfValues	The number of values to process. For a stereo input this value should be 2 * numberOfFrames. Must be a multiply of 8.

◆ PEMtoDER()

int Superpowered::PEMtoDER ( char * inputOutput )

Converts a memory buffer with PEM format string to DER format.

Parameters

inputOutput Input/output data.

Returns: DER length bytes.

◆ PolarFFT()

Superpowered::PolarFFT	(	float *	mag,
		float *	phase,
		int	logSize,
		bool	forward,
		float	valueOfPi = `0`
	)

Polar FFT.

Data packing is same as Apple's vDSP. Check the "Using Fourier Transforms" page of Apple's vDSP documentation ("Data Packing for Real FFTs").

Parameters

mag	Pointer to floating point numbers. Input: split real part. Output: magnitudes.
phase	Pointer to floating point numbers. Input: split real part. Output: phases.
logSize	Should be 5 - 13 (FFT sizes 32 - 8192).
forward	Forward or inverse. Inverse PolarFFT will clear (zero) the DC offset.
valueOfPi	The function can translate pi to any value (Google: the tau manifesto). Use 0 for M_PI.

◆ printToString()

bool Superpowered::printToString	(	char **	str,
		int	maxBytesNeeded,
		const char *	format,
			...
	)

Helper function to create a string with the same text that would be printed if format was used on printf, but instead of being printed, the content is stored as a C string.

Parameters

str	Input/output. If str is not NULL and the function returns with true, str will be deallocated with free() and replaced with the new string.
maxBytesNeeded	The size of the str in bytes that will be allocated (including trailing zero).
format	C string that contains a format string that follows the same specifications as format in printf.
...	Additional arguments. return True on success, false on memory allocation error.

◆ ShortIntToFloat() [1/2]

Superpowered::ShortIntToFloat	(	short int *	input,
		float *	output,
		unsigned int	numberOfFrames,
		float *	peaks
	)

Converts stereo interleaved 16-bit signed integer input to stereo interleaved 32-bit float output, and provides peak measurement.

Parameters

input	Pointer to short integer numbers. Stereo interleaved 16-bit input. Should be numberOfFrames + 8 big minimum.
output	Pointer to floating point numbers. Stereo interleaved 32-bit output. Should be numberOfFrames + 8 big minimum.
numberOfFrames	The number of frames to process.
peaks	Pointer to two floating point numbers. Peak value result (left, right).

◆ ShortIntToFloat() [2/2]

Superpowered::ShortIntToFloat	(	short int *	input,
		float *	output,
		unsigned int	numberOfFrames,
		unsigned int	numChannels = `2`
	)

Converts 16-bit signed integer input to 32-bit float output.

Parameters

input	Pointer to short integer numbers. Stereo interleaved 16-bit input.
output	Pointer to floating point numbers. Stereo interleaved 32-bit output.
numberOfFrames	The number of frames to process.
numChannels	The number of channels.

◆ simpleHash()

unsigned char Superpowered::simpleHash	(	hashType	type,
		unsigned int	inputLengthBytes,
		const unsigned char *	input,
		unsigned char *	hash
	)

Performs a simple hashing operation in one convenient line.

It doesn't require any hasher structure to be initialized.

Parameters

type	The hash type.
inputLengthBytes	Size of the input data in bytes.
input	Pointer to the input data.
hash	The output. Must be big enough to store the hash (SHA512 has the maximum with 64 bytes).

Returns: The hash size in bytes.

◆ simpleHMAC()

void Superpowered::simpleHMAC	(	hashType	type,
		const unsigned char *	key,
		int	keyLengthBytes,
		const unsigned char *	input,
		int	inputLengthBytes,
		unsigned char *	output
	)

Performs a simple hash-based message authentication code operation in one convenient line.

It doesn't require any hasher structure to be initialized.

Parameters

type	The hash type.
key	The key.
keyLengthBytes	The size of the key in bytes.
input	Pointer to the input data.
inputLengthBytes	Size of the input data in bytes.
output	The output. Must be big enough to store the result (SHA512 has the maximum with 64 bytes).

◆ statusCodeToString()

const char* Superpowered::statusCodeToString	(	int	code,
		const char *	defaultString
	)

User readable error string from a status code (including HTTP status codes).

Parameters

code	The status code.
defaultString	Generic error message if the status code has a value not covered.

Returns: String pointer to the error message. It's wired in the code, will be always valid, no memory management is required.

◆ StereoToMidSide()

Superpowered::StereoToMidSide	(	float *	input,
		float *	output,
		unsigned int	numberOfFrames
	)

Converts a stereo signal to mid-side.

Parameters

input	Pointer to floating point numbers. Interleaved stereo input.
output	Pointer to floating point numbers. Mid-side interleaved output. Can be equal to input (in-place processing).
numberOfFrames	The number of frames to process.

◆ StereoToMono()

Superpowered::StereoToMono	(	float *	input,
		float *	output,
		float	leftGainStart,
		float	leftGainEnd,
		float	rightGainStart,
		float	rightGainEnd,
		unsigned int	numberOfFrames
	)

Makes mono output from stereo interleaved input: output = [L + R], [L + R], [L + R], ...

Parameters

input	Pointer to floating point numbers. Stereo interleaved input.
output	Pointer to floating point numbers. Mono output.
leftGainStart	Gain of the first sample on the left channel.
leftGainEnd	Gain for the last sample on the left channel. Gain will be smoothly calculated between start end end.
rightGainStart	Gain of the first sample on the right channel.
rightGainEnd	Gain for the last sample on the right channel. Gain will be smoothly calculated between start end end.
numberOfFrames	The number of frames to process.

◆ urlDecode()

char* Superpowered::urlDecode	(	char *	input,
		char *	output
	)

URL decode.

Parameters

input	Input string.
output	Output string. Must be big enough to store the output (an output will have equal or less length than input).

Returns: A pointer to the trailing zero in output.

◆ urlEncode()

char* Superpowered::urlEncode	(	char *	input,
		char *	output,
		bool	spaceIsPlus = `false`
	)

URL encode.

Parameters

input	Input string.
output	Output string. Must be big enough to store the output (urlEncodeGetMaxOutputBytes can help).
spaceIsPlus	True to use a "+" character for space.

Returns: A pointer to the trailing zero in output.

◆ urlEncodeGetMaxOutputBytes()

int Superpowered::urlEncodeGetMaxOutputBytes ( int length )

Returns with the maximum bytes needed to store a URL encoded result.

Parameters

length Input length in bytes.

Returns: The maximum bytes needed to store a URL encoded result.

◆ Version()

Superpowered::Version ( )

Returns: Returns the current version of the Superpowered SDK. The returned value is: major version * 10000 + minor version * 100 + revision Example: 10402 means 1.4.2

◆ Volume()

Superpowered::Volume	(	float *	input,
		float *	output,
		float	volumeStart,
		float	volumeEnd,
		unsigned int	numberOfFrames
	)

Applies volume on a single stereo interleaved buffer: output = input * gain.

Parameters

input	Pointer to floating point numbers. 32-bit interleaved stereo input.
output	Pointer to floating point numbers. 32-bit interleaved stereo output. Can be equal to input (in-place processing).
volumeStart	Volume for the first frame.
volumeEnd	Volume for the last frame. Volume will be smoothly calculated between the first and last frames.
numberOfFrames	The number of frames to process.

◆ VolumeAdd()

Superpowered::VolumeAdd	(	float *	input,
		float *	output,
		float	volumeStart,
		float	volumeEnd,
		unsigned int	numberOfFrames
	)

Applies volume on a single stereo interleaved buffer and adds it to the audio in the output buffer: output = output + input * gain.

Parameters

input	Pointer to floating point numbers. 32-bit interleaved stereo input.
output	Pointer to floating point numbers. 32-bit interleaved stereo output.
volumeStart	Volume for the first frame.
volumeEnd	Volume for the last frame. Volume will be smoothly calculated between the first and last frames.
numberOfFrames	The number of frames to process.

◆ writeWAV()

bool Superpowered::writeWAV	(	FILE *	fd,
		short int *	audio,
		unsigned int	numberOfBytes
	)

Writes audio into a WAV file.

Returns: Returns true for success and false for error.

Parameters

fd	The file handle to write into.
audio	Pointer to signed short integer numbers. Audio to write.
numberOfBytes	The number of bytes to write.

Classes

Typedefs

Enumerations

Functions

Typedef Documentation

◆ AndroidUSBAudioDeviceConnectedCallback

◆ AndroidUSBAudioDeviceDisconnectedCallback

◆ AndroidUSBAudioIOInfo

◆ AndroidUSBAudioProcessingCallback

◆ AndroidUSBMIDIDeviceConnectedCallback

◆ AndroidUSBMIDIDeviceDisconnectedCallback

◆ AndroidUSBMIDIReceivedCallback

◆ AudiopointerlistElement

◆ Decoder_Format

◆ FilterType

◆ httpData

◆ httpDataMode

◆ httpLogCallback

◆ httpRequestCallback

◆ JogMode

◆ PlayerEvent

◆ SyncMode

Enumeration Type Documentation

◆ AndroidUSBAudioBufferSize

◆ Decoder_Format

◆ FilterType

◆ hashType

◆ httpDataMode

◆ JogMode

◆ OnConnectReturn

◆ PlayerEvent

◆ SyncMode

Function Documentation

◆ Add1()

◆ Add2()

◆ Add4()

◆ base64Decode()

◆ base64Encode()

◆ base64EncodeGetMaxOutputBytes()

◆ Bit24ToFloat()

◆ ChangeVolume()

◆ ChangeVolumeAdd()

◆ CharToFloat()

◆ closeWAV()

◆ createWAV()

◆ CrossMono()

◆ CrossStereo()

◆ DeInterleave()

◆ DeInterleaveAdd()

◆ DeInterleaveMultiply()

◆ DeInterleaveMultiplyAdd()

◆ DERtoPEM()

◆ DotProduct()

◆ DynamicDestroy()

◆ DynamicInitialize()

◆ FFTComplex()

◆ FFTReal()

◆ FloatTo24bit()

◆ FloatToChar()

◆ FloatToInt()

◆ FloatToShortInt()

◆ FloatToShortIntInterleave()

◆ frequencyOfNote()

◆ hashGetSizeBytes()

◆ HasNonFinite()

◆ Initialize()

◆ Interleave()

◆ InterleaveAdd()

◆ InterleaveAndGetPeaks()

◆ IntToFloat()

◆ MidSideToStereo()

◆ Peak()

◆ PEMtoDER()

◆ PolarFFT()

◆ printToString()

◆ ShortIntToFloat() [1/2]

◆ ShortIntToFloat() [2/2]

◆ simpleHash()

◆ simpleHMAC()

◆ statusCodeToString()