#include <gr_align_on_samplenumbers_ss.h>
number | of complex_short input channels (including the 32 bit counting channel) | |
align_interval | is after how much samples (minimally) the sample-alignement is refreshed. Default is 128. A bigger value means less processing power but also requests more buffer space, which has a maximum. Decrease the align_interval if you get an error like: "sched: <gr_block align_on_samplenumbers_ss (0)> is requesting more input data than we can provide. ninput_items_required = 32768 max_possible_items_available = 16383 If this is a filter, consider reducing the number of taps." |
Public Member Functions | |
~gr_align_on_samplenumbers_ss () | |
bool | check_topology (int ninputs, int noutputs) |
Confirm that ninputs and noutputs is an acceptable combination. | |
void | forecast (int noutput_items, gr_vector_int &ninput_items_required) |
Estimate input requirements given output request. | |
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 | |
Friends | |
gr_align_on_samplenumbers_ss_sptr | gr_make_align_on_samplenumbers_ss (int nchan, int align_interval) |
Classes | |
class | align_state |
gr_align_on_samplenumbers_ss::~gr_align_on_samplenumbers_ss | ( | ) |
bool gr_align_on_samplenumbers_ss::check_topology | ( | int | ninputs, | |
int | noutputs | |||
) | [virtual] |
Confirm that ninputs and noutputs is an acceptable combination.
ninputs | number of input streams connected | |
noutputs | number of output streams connected |
Reimplemented from gr_block.
References ePrintf.
void gr_align_on_samplenumbers_ss::forecast | ( | int | noutput_items, | |
gr_vector_int & | ninput_items_required | |||
) | [virtual] |
Estimate input requirements given output request.
noutput_items | number of output items to produce | |
ninput_items_required | number of input items required on each input stream |
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.
References gr_block::history().
int gr_align_on_samplenumbers_ss::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
noutput_items | number of output items to write on each output stream | |
ninput_items | number of input items available on each input stream | |
input_items | vector of pointers to the input items, one entry per input stream | |
output_items | vector of pointers to the output items, one entry per output stream |
Implements gr_block.
References gr_block::consume(), ePrintf, min(), gr_block::output_signature(), and tcPrintf.
gr_align_on_samplenumbers_ss_sptr gr_make_align_on_samplenumbers_ss | ( | int | nchan, | |
int | align_interval | |||
) | [friend] |