sdr::WavSource Class Reference

A simple imput source that reads from a wav file. More...

#include <wavfile.hh>

Inheritance diagram for sdr::WavSource:

Public Member Functions
	WavSource (size_t buffer_size=1024)
	Constructor, buffer_size specified the output buffer size. More...
	WavSource (const std::string &filename, size_t buffer_size=1024)
	Constructor with file name, buffer_size specified the output buffer size. More...
virtual	~WavSource ()
	Destructor. More...
bool	isOpen () const
	Returns true if the file is open. More...
void	open (const std::string &filename)
	Open a new file. More...
void	close ()
	Close the current file. More...
bool	isReal () const
	Returns true, if the input is real (stereo files are handled as I/Q signals). More...
void	next ()
	Read the next data. More...
Public Member Functions inherited from sdr::Source
	Source ()
	Constructor. More...
virtual	~Source ()
	Destructor. More...
virtual void	send (const RawBuffer &buffer, bool allow_overwrite=false)
	Sends the given buffer to all connected sinks. More...
void	connect (SinkBase *sink, bool direct=false)
	Connect this source to a sink. More...
void	disconnect (SinkBase *sink)
	Disconnect a sink again. More...
virtual void	setConfig (const Config &config)
	Stores the configuration and propergates it if the configuration has been changed. More...
virtual double	sampleRate () const
	Returns the configured sample rate or 0 otherwise. More...
virtual Config::Type	type () const
	Returns the configured source type or Config::Type_UNDEFINED otherwise. More...
template<class T >
void	addEOS (T *instance, void(T::*function)())
	Adds a callback to the end-of-stream signal of the source. More...

Protected Attributes
std::fstream	_file
	The input file stream. More...
RawBuffer	_buffer
	The output buffer. More...
size_t	_buffer_size
	The current buffer size. More...
size_t	_frame_count
	The number of available frames. More...
Config::Type	_type
	The type of the data in the WAV file. More...
double	_sample_rate
	The sample rate. More...
size_t	_frames_left
	The number of frames left to be read. More...
Protected Attributes inherited from sdr::Source
Config	_config
	Holds the source configuration, this can be updated by calling setConfig. More...
std::map< SinkBase *, bool >	_sinks
	The connected sinks. More...
std::list< DelegateInterface * >	_eos
	The connected EOS singal handlers. More...

Additional Inherited Members
Protected Member Functions inherited from sdr::Source
void	signalEOS ()
	Signals the EOS. More...
void	propagateConfig (const Config &config)
	Propagates the given configuration to all connected sinks. More...

Detailed Description

A simple imput source that reads from a wav file.

Some data is read from the file on every call to next until the end of file is reached.

Constructor & Destructor Documentation

WavSource::WavSource

(

size_t

buffer_size = 1024

)

Constructor, buffer_size specified the output buffer size.

WavSource::WavSource	(	const std::string &	filename,
		size_t	buffer_size = 1024
	)

Constructor with file name, buffer_size specified the output buffer size.

WavSource::~WavSource ( )

virtual

Destructor.

Member Function Documentation

void WavSource::close

(

)

Close the current file.

bool WavSource::isOpen

(

)

const

Returns true if the file is open.

bool WavSource::isReal

(

)

const

Returns true, if the input is real (stereo files are handled as I/Q signals).

void WavSource::next

(

)

Read the next data.

void WavSource::open

(

const std::string &

filename

)

Open a new file.

Member Data Documentation

RawBuffer sdr::WavSource::_buffer

protected

The output buffer.

size_t sdr::WavSource::_buffer_size

protected

The current buffer size.

std::fstream sdr::WavSource::_file

protected

The input file stream.

size_t sdr::WavSource::_frame_count

protected

The number of available frames.

size_t sdr::WavSource::_frames_left

protected

The number of frames left to be read.

double sdr::WavSource::_sample_rate

protected

The sample rate.

Config::Type sdr::WavSource::_type

protected

The type of the data in the WAV file.

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The documentation for this class was generated from the following files:

• /Users/hannes/Uni/Elektronik/sdr/libsdr/src/wavfile.hh
• /Users/hannes/Uni/Elektronik/sdr/libsdr/src/wavfile.cc