Inheritance diagram for gr::blocks::file_source_impl:

Public Member Functions
	file_source_impl (size_t itemsize, const char *filename, bool repeat)
	~file_source_impl ()
bool	seek (long seek_point, int whence)
	seek file to `seek_point` relative to `whence`
void	open (const char *filename, bool repeat)
	Opens a new file.
void	close ()
	Close the file handle.
int	work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
	just like gr_block::general_work, only this arranges to call consume_each for you

Additional Inherited Members
Public Types inherited from gr::blocks::file_source
typedef boost::shared_ptr < file_source >	sptr
Static Public Member Functions inherited from gr::blocks::file_source
static sptr	make (size_t itemsize, const char *filename, bool repeat=false)
	Create a file source.
Protected Types inherited from gr_basic_block
enum	vcolor { WHITE, GREY, BLACK }
Protected Member Functions inherited from gr_sync_block
	gr_sync_block (void)
	gr_sync_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature)
Protected Attributes inherited from gr_block
std::vector< long >	d_max_output_buffer
std::vector< long >	d_min_output_buffer
gruel::mutex	d_setlock

Constructor & Destructor Documentation

gr::blocks::file_source_impl::file_source_impl	(	size_t	itemsize,
		const char *	filename,
		bool	repeat
	)

gr::blocks::file_source_impl::~file_source_impl ( )

Member Function Documentation

void gr::blocks::file_source_impl::close ( )

virtual

Close the file handle.

void gr::blocks::file_source_impl::open	(	const char *	filename,
		bool	repeat
	)

virtual

Opens a new file.

Parameters

filename	name of the file to source from
repeat	repeat file from start

bool gr::blocks::file_source_impl::seek	(	long	seek_point,
		int	whence
	)

virtual

seek file to seek_point relative to whence

Parameters

seek_point	sample offset in file
whence	one of SEEK_SET, SEEK_CUR, SEEK_END (man fseek)

int gr::blocks::file_source_impl::work	(	int	noutput_items,
		gr_vector_const_void_star &	input_items,
		gr_vector_void_star &	output_items
	)

virtual

just like gr_block::general_work, only this arranges to call consume_each for you

The user must override work to define the signal processing code

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