GNU Radio Manual and C++ API Reference  3.7.5
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gr::dtv::atsc_sync_impl Class Reference

#include </build/gnuradio-O4UjFN/gnuradio-3.7.5/gr-dtv/lib/atsc/atsc_sync_impl.h>

Public Member Functions

 atsc_sync_impl (float rate)
 ~atsc_sync_impl ()
void reset ()
void forecast (int noutput_items, gr_vector_int &ninput_items_required)
 Estimate input requirements given output request.
virtual int general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
 compute output items from input items

Additional Inherited Members

- Public Types inherited from gr::dtv::atsc_sync
typedef boost::shared_ptr
< atsc_sync
sptr
- Static Public Member Functions inherited from gr::dtv::atsc_sync
static sptr make (float rate)
 Make a new instance of gr::dtv::atsc_sync.
- Protected Types inherited from gr::basic_block
enum  vcolor { WHITE, GREY, BLACK }
- Protected Member Functions inherited from gr::block
 block (void)
 block (const std::string &name, gr::io_signature::sptr input_signature, gr::io_signature::sptr output_signature)
void set_fixed_rate (bool fixed_rate)
void add_item_tag (unsigned int which_output, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F)
 Adds a new tag onto the given output buffer.
void add_item_tag (unsigned int which_output, const tag_t &tag)
 Adds a new tag onto the given output buffer.
void remove_item_tag (unsigned int which_input, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F)
 Removes a tag from the given input buffer.
void remove_item_tag (unsigned int which_input, const tag_t &tag)
 Removes a tag from the given input buffer.
void get_tags_in_range (std::vector< tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end)
 Given a [start,end), returns a vector of all tags in the range.
void get_tags_in_range (std::vector< tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end, const pmt::pmt_t &key)
 Given a [start,end), returns a vector of all tags in the range with a given key.
void get_tags_in_window (std::vector< tag_t > &v, unsigned int which_input, uint64_t rel_start, uint64_t rel_end)
 Gets all tags within the relative window of the current call to work.
void get_tags_in_window (std::vector< tag_t > &v, unsigned int which_input, uint64_t rel_start, uint64_t rel_end, const pmt::pmt_t &key)
 Operates like gr::block::get_tags_in_window with the ability to only return tags with the specified key.
void enable_update_rate (bool en)
- Protected Attributes inherited from gr::block
std::vector< long > d_max_output_buffer
std::vector< long > d_min_output_buffer
gr::thread::mutex d_setlock
gr::logger_ptr d_logger
gr::logger_ptr d_debug_logger

Constructor & Destructor Documentation

gr::dtv::atsc_sync_impl::atsc_sync_impl ( float  rate)
gr::dtv::atsc_sync_impl::~atsc_sync_impl ( )

Member Function Documentation

void gr::dtv::atsc_sync_impl::forecast ( int  noutput_items,
gr_vector_int ninput_items_required 
)
virtual

Estimate input requirements given output request.

Parameters
noutput_itemsnumber of output items to produce
ninput_items_requirednumber of input items required on each input stream

Given a request to product noutput_items, estimate the number of data items required on each input stream. The estimate doesn't have to be exact, but should be close.

Reimplemented from gr::block.

virtual int gr::dtv::atsc_sync_impl::general_work ( int  noutput_items,
gr_vector_int ninput_items,
gr_vector_const_void_star input_items,
gr_vector_void_star output_items 
)
virtual

compute output items from input items

Parameters
noutput_itemsnumber of output items to write on each output stream
ninput_itemsnumber of input items available on each input stream
input_itemsvector of pointers to the input items, one entry per input stream
output_itemsvector of pointers to the output items, one entry per output stream
Returns
number of items actually written to each output stream, or -1 on EOF. It is OK to return a value less than noutput_items. -1 <= return value <= noutput_items

general_work must call consume or consume_each to indicate how many items were consumed on each input stream.

Reimplemented from gr::block.

void gr::dtv::atsc_sync_impl::reset ( )

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