GNU Radio C++ API
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synchronous 1:1 input to output with historyOverride work to provide the signal processing implementation. More...
#include <gr_sync_block.h>
Inherits gr_block.
Inherited by atsc_deinterleaver, atsc_derandomizer, atsc_ds_to_softds, atsc_equalizer, atsc_field_sync_mux, atsc_fpll, atsc_fs_checker, atsc_interleaver, atsc_randomizer, atsc_rs_decoder, atsc_rs_encoder, atsc_trellis_encoder, atsc_viterbi_decoder, audio_sink [virtual]
, audio_source [virtual]
, comedi_sink_s, comedi_source_s, digital_binary_slicer_fb, digital_correlate_access_code_bb, digital_costas_loop_cc, digital_fll_band_edge_cc, digital_ofdm_frame_sink, digital_ofdm_mapper_bcv, gr_add_cc, gr_add_const_cc, gr_add_const_ff, gr_add_const_ii, gr_add_const_sf, gr_add_const_ss, gr_add_const_vcc, gr_add_const_vff, gr_add_const_vii, gr_add_const_vss, gr_add_ff, gr_add_ii, gr_add_ss, gr_additive_scrambler_bb, gr_agc2_cc, gr_agc2_ff, gr_agc_cc, gr_agc_ff, gr_and_bb, gr_and_const_bb, gr_and_const_ii, gr_and_const_ss, gr_and_ii, gr_and_ss, gr_annotator_1to1, gr_annotator_alltoall, gr_argmax_fs, gr_argmax_is, gr_argmax_ss, gr_bin_statistics_f, gr_burst_tagger, gr_char_to_float, gr_check_counting_s, gr_check_lfsr_32k_s, gr_complex_to_arg, gr_complex_to_float, gr_complex_to_imag, gr_complex_to_mag, gr_complex_to_mag_squared, gr_complex_to_real, gr_conjugate_cc, gr_correlate_access_code_tag_bb, gr_dc_blocker_cc, gr_dc_blocker_ff, gr_delay, gr_descrambler_bb, gr_diff_decoder_bb, gr_diff_encoder_bb, gr_diff_phasor_cc, gr_divide_cc, gr_divide_ff, gr_divide_ii, gr_divide_ss, gr_dpll_bb, gr_fake_channel_decoder_pp, gr_fake_channel_encoder_pp, gr_feedforward_agc_cc, gr_fft_vcc, gr_fft_vfc, gr_file_descriptor_sink, gr_file_descriptor_source, gr_file_sink, gr_file_source, gr_filter_delay_fc, gr_float_to_char, gr_float_to_complex, gr_float_to_short, gr_float_to_uchar, gr_fmdet_cf, gr_framer_sink_1, gr_frequency_modulator_fc, gr_glfsr_source_b, gr_glfsr_source_f, gr_head, gr_hilbert_fc, gr_histo_sink_f, gr_iir_filter_ffd, gr_int_to_float, gr_iqcomp_cc, gr_kludge_copy, gr_lfsr_32k_source_s, gr_map_bb, gr_max_ff, gr_max_ii, gr_max_ss, gr_message_sink, gr_message_source, gr_moving_average_cc, gr_moving_average_ff, gr_moving_average_ii, gr_moving_average_ss, gr_multiply_cc, gr_multiply_const_cc, gr_multiply_const_ff, gr_multiply_const_ii, gr_multiply_const_ss, gr_multiply_const_vcc, gr_multiply_const_vff, gr_multiply_const_vii, gr_multiply_const_vss, gr_multiply_ff, gr_multiply_ii, gr_multiply_ss, gr_mute_cc, gr_mute_ff, gr_mute_ii, gr_mute_ss, gr_nlog10_ff, gr_noise_source_c, gr_noise_source_f, gr_noise_source_i, gr_noise_source_s, gr_not_bb, gr_not_ii, gr_not_ss, gr_null_sink, gr_null_source, gr_ofdm_frame_sink2, gr_or_bb, gr_or_ii, gr_or_ss, gr_oscope_sink_x, gr_pa_2x2_phase_combiner, gr_packet_sink, gr_peak_detector2_fb, gr_peak_detector_fb, gr_peak_detector_ib, gr_peak_detector_sb, gr_pfb_decimator_ccf, gr_phase_modulator_fc, gr_pll_carriertracking_cc, gr_pll_freqdet_cf, gr_pll_refout_cc, gr_probe_avg_mag_sqrd_c, gr_probe_avg_mag_sqrd_cf, gr_probe_avg_mag_sqrd_f, gr_probe_density_b, gr_probe_mpsk_snr_c, gr_probe_signal_f, gr_quadrature_demod_cf, gr_rail_ff, gr_regenerate_bb, gr_rms_cf, gr_rms_ff, gr_sample_and_hold_bb, gr_sample_and_hold_ff, gr_sample_and_hold_ii, gr_sample_and_hold_ss, gr_scrambler_bb, gr_short_to_float, gr_sig_source_c, gr_sig_source_f, gr_sig_source_i, gr_sig_source_s, gr_simple_squelch_cc, gr_single_pole_iir_filter_cc, gr_single_pole_iir_filter_ff, gr_squash_ff, gr_streams_to_vector, gr_stretch_ff, gr_sub_cc, gr_sub_ff, gr_sub_ii, gr_sub_ss, gr_sync_decimator, gr_sync_interpolator, gr_tagged_file_sink, gr_threshold_ff, gr_throttle [virtual]
, gr_transcendental [virtual]
, gr_uchar_to_float, gr_udp_sink, gr_udp_source, gr_vco_f, gr_vector_sink_b, gr_vector_sink_c, gr_vector_sink_f, gr_vector_sink_i, gr_vector_sink_s, gr_vector_source_b, gr_vector_source_c, gr_vector_source_f, gr_vector_source_i, gr_vector_source_s, gr_vector_to_streams, gr_wavelet_ff, gr_wavfile_sink, gr_wavfile_source, gr_wvps_ff, gr_xor_bb, gr_xor_ii, gr_xor_ss, howto_square2_ff, noaa_hrpt_decoder, noaa_hrpt_pll_cf, pager_flex_parse, pager_slicer_fb, shd_smini_sink [virtual]
, shd_smini_source [virtual]
, tag_sink_demo, tag_source_demo, trellis_encoder_bb, trellis_encoder_bi, trellis_encoder_bs, trellis_encoder_ii, trellis_encoder_si, trellis_encoder_ss, trellis_pccc_encoder_bb, trellis_pccc_encoder_bi, trellis_pccc_encoder_bs, trellis_pccc_encoder_ii, trellis_pccc_encoder_si, trellis_pccc_encoder_ss, trellis_permutation, trellis_sccc_encoder_bb, trellis_sccc_encoder_bi, trellis_sccc_encoder_bs, trellis_sccc_encoder_ii, trellis_sccc_encoder_si, trellis_sccc_encoder_ss, uhd_usrp_sink [virtual]
, uhd_usrp_source [virtual]
, video_sdl_sink_s, video_sdl_sink_uc, vocoder_alaw_decode_bs, vocoder_alaw_encode_sb, vocoder_g721_decode_bs [virtual]
, vocoder_g721_encode_sb [virtual]
, vocoder_g723_24_decode_bs [virtual]
, vocoder_g723_24_encode_sb [virtual]
, vocoder_g723_40_decode_bs [virtual]
, vocoder_g723_40_encode_sb [virtual]
, vocoder_ulaw_decode_bs, and vocoder_ulaw_encode_sb.
Public Member Functions | |
virtual int | work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)=0 |
just like gr_block::general_work, only this arranges to call consume_each for you More... | |
void | forecast (int noutput_items, gr_vector_int &ninput_items_required) |
Estimate input requirements given output request. More... | |
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 More... | |
int | fixed_rate_ninput_to_noutput (int ninput) |
Given ninput samples, return number of output samples that will be produced. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this. More... | |
int | fixed_rate_noutput_to_ninput (int noutput) |
Given noutput samples, return number of input samples required to produce noutput. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this. More... | |
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virtual | ~gr_block () |
unsigned | history () const |
void | set_history (unsigned history) |
bool | fixed_rate () const |
Return true if this block has a fixed input to output rate. More... | |
virtual bool | start () |
Called to enable drivers, etc for i/o devices. More... | |
virtual bool | stop () |
Called to disable drivers, etc for i/o devices. More... | |
void | set_output_multiple (int multiple) |
Constrain the noutput_items argument passed to forecast and general_work. More... | |
int | output_multiple () const |
void | consume (int which_input, int how_many_items) |
Tell the scheduler how_many_items of input stream which_input were consumed. More... | |
void | consume_each (int how_many_items) |
Tell the scheduler how_many_items were consumed on each input stream. More... | |
void | produce (int which_output, int how_many_items) |
Tell the scheduler how_many_items were produced on output stream which_output . More... | |
void | set_relative_rate (double relative_rate) |
Set the approximate output rate / input rate. More... | |
double | relative_rate () const |
return the approximate output rate / input rate More... | |
uint64_t | nitems_read (unsigned int which_input) |
Return the number of items read on input stream which_input. More... | |
uint64_t | nitems_written (unsigned int which_output) |
Return the number of items written on output stream which_output. More... | |
tag_propagation_policy_t | tag_propagation_policy () |
Asks for the policy used by the scheduler to moved tags downstream. More... | |
void | set_tag_propagation_policy (tag_propagation_policy_t p) |
Set the policy by the scheduler to determine how tags are moved downstream. More... | |
gr_block_detail_sptr | detail () const |
void | set_detail (gr_block_detail_sptr detail) |
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virtual | ~gr_basic_block () |
long | unique_id () const |
std::string | name () const |
gr_io_signature_sptr | input_signature () const |
gr_io_signature_sptr | output_signature () const |
gr_basic_block_sptr | to_basic_block () |
virtual bool | check_topology (int ninputs, int noutputs) |
Confirm that ninputs and noutputs is an acceptable combination. More... | |
template<typename T > | |
void | set_msg_handler (T msg_handler) |
Set the callback that is fired when messages are available. More... | |
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gr_msg_accepter () | |
~gr_msg_accepter () | |
void | post (pmt::pmt_t msg) |
send msg to msg_accepter More... | |
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msg_accepter () | |
virtual | ~msg_accepter () |
Protected Member Functions | |
gr_sync_block (void) | |
gr_sync_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature) | |
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gr_block (void) | |
gr_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. More... | |
void | add_item_tag (unsigned int which_output, const gr_tag_t &tag) |
Adds a new tag onto the given output buffer. More... | |
void | get_tags_in_range (std::vector< gr_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. More... | |
void | get_tags_in_range (std::vector< gr_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. More... | |
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gr_basic_block (void) | |
gr_basic_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature) | |
Protected constructor prevents instantiation by non-derived classes. More... | |
void | set_input_signature (gr_io_signature_sptr iosig) |
may only be called during constructor More... | |
void | set_output_signature (gr_io_signature_sptr iosig) |
may only be called during constructor More... | |
void | set_color (vcolor color) |
Allow the flowgraph to set for sorting and partitioning. More... | |
vcolor | color () const |
Additional Inherited Members | |
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enum | { WORK_CALLED_PRODUCE = -2, WORK_DONE = -1 } |
Magic return values from general_work. More... | |
enum | tag_propagation_policy_t { TPP_DONT = 0, TPP_ALL_TO_ALL = 1, TPP_ONE_TO_ONE = 2 } |
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enum | vcolor { WHITE, GREY, BLACK } |
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std::string | d_name |
gr_io_signature_sptr | d_input_signature |
gr_io_signature_sptr | d_output_signature |
long | d_unique_id |
vcolor | d_color |
synchronous 1:1 input to output with history
Override work to provide the signal processing implementation.
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inlineprotected |
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protected |
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virtual |
Given ninput samples, return number of output samples that will be produced. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
Reimplemented from gr_block.
Reimplemented in gr_sync_decimator, and gr_sync_interpolator.
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virtual |
Given noutput samples, return number of input samples required to produce noutput. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
Reimplemented from gr_block.
Reimplemented in gr_sync_decimator, and gr_sync_interpolator.
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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 |
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.
Reimplemented in gr_sync_decimator, gr_sync_interpolator, atsc_equalizer, atsc_field_sync_mux, and atsc_pad.
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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 |
general_work must call consume or consume_each to indicate how many items were consumed on each input stream.
Implements gr_block.
Reimplemented in gr_sync_decimator, and gr_sync_interpolator.
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pure 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
Implemented in digital_fll_band_edge_cc, vocoder_cvsd_encode_sb, vocoder_cvsd_decode_bs, gr_complex_to_arg, gr_pfb_decimator_ccf, gr_complex_to_mag_squared, gr_wavfile_sink, gr_pfb_interpolator_ccf, digital_ofdm_frame_sink, gr_peak_detector_fb, gr_peak_detector_ib, gr_peak_detector_sb, gr_complex_to_mag, gr_ofdm_frame_sink2, digital_costas_loop_cc, gr_dc_blocker_ff, gr_udp_sink, gr_dc_blocker_cc, gr_udp_source, gr_framer_sink_1, gr_peak_detector2_fb, gr_complex_to_imag, gr_packet_sink, gr_pfb_synthesis_filterbank_ccf, gr_bin_statistics_f, gr_check_lfsr_32k_s, gr_fake_channel_decoder_pp, video_sdl_sink_s, video_sdl_sink_uc, comedi_source_s, gr_iir_filter_ffd, comedi_sink_s, gr_check_counting_s, audio_alsa_source, gr_complex_to_real, digital_ofdm_mapper_bcv, audio_portaudio_sink, audio_alsa_sink, audio_osx_source, audio_portaudio_source, trellis_pccc_encoder_bb, trellis_pccc_encoder_bi, trellis_pccc_encoder_bs, trellis_pccc_encoder_ii, trellis_pccc_encoder_si, trellis_pccc_encoder_ss, trellis_sccc_encoder_bb, trellis_sccc_encoder_bi, trellis_sccc_encoder_bs, trellis_sccc_encoder_ii, trellis_sccc_encoder_si, trellis_sccc_encoder_ss, tag_source_demo, gr_correlate_access_code_tag_bb, audio_jack_sink, audio_jack_source, digital_correlate_access_code_bb, gr_single_pole_iir_filter_cc, gr_decode_ccsds_27_fb, howto_square2_ff, gr_freq_xlating_fir_filter_ccc, gr_freq_xlating_fir_filter_ccf, gr_freq_xlating_fir_filter_fcc, gr_freq_xlating_fir_filter_fcf, gr_freq_xlating_fir_filter_scc, gr_freq_xlating_fir_filter_scf, gr_single_pole_iir_filter_ff, gr_wavfile_source, noaa_hrpt_decoder, gr_regenerate_bb, gr_vco_f, gr_probe_density_b, audio_windows_sink, gr_probe_mpsk_snr_c, audio_osx_sink, gr_fft_filter_ccc, gr_fft_filter_fff, gr_wavelet_ff, gr_chunks_to_symbols_bc, gr_chunks_to_symbols_bf, gr_chunks_to_symbols_ic, gr_chunks_to_symbols_if, gr_chunks_to_symbols_sc, gr_chunks_to_symbols_sf, gr_tagged_file_sink, gr_interp_fir_filter_ccc, gr_interp_fir_filter_ccf, gr_interp_fir_filter_fcc, gr_interp_fir_filter_fff, gr_interp_fir_filter_fsf, gr_interp_fir_filter_scc, gr_complex_to_float, gr_message_source, gr_fir_filter_ccc, gr_fir_filter_ccf, gr_fir_filter_fcc, gr_fir_filter_fff, gr_fir_filter_fsf, gr_fir_filter_scc, gr_additive_scrambler_bb, gr_squash_ff, gr_file_descriptor_source, gr_probe_avg_mag_sqrd_cf, gr_moving_average_cc, gr_moving_average_ff, gr_moving_average_ii, gr_moving_average_ss, gr_probe_avg_mag_sqrd_c, gr_probe_avg_mag_sqrd_f, gr_filter_delay_fc, gr_cpfsk_bc, gr_encode_ccsds_27_bb, gr_histo_sink_f, gr_glfsr_source_b, gr_glfsr_source_f, gr_pa_2x2_phase_combiner, gr_noise_source_c, gr_noise_source_f, gr_noise_source_i, gr_noise_source_s, gr_sig_source_c, gr_sig_source_f, gr_sig_source_i, gr_sig_source_s, gr_message_sink, gr_adaptive_fir_ccc, atsc_fpll, gr_bytes_to_syms, gr_fft_vfc, gr_integrate_cc, gr_integrate_ff, gr_integrate_ii, gr_integrate_ss, gr_file_source, trellis_permutation, gr_descrambler_bb, gr_lfsr_32k_source_s, gr_pn_correlator_cc, gr_scrambler_bb, gr_stretch_ff, gr_oscope_sink_f, gr_adaptive_fir_ccf, gr_annotator_alltoall, gr_fake_channel_encoder_pp, gr_frequency_modulator_fc, gr_threshold_ff, gr_hilbert_fc, gr_annotator_1to1, gr_dpll_bb, gr_simple_squelch_cc, gr_and_const_bb, gr_and_const_ii, gr_and_const_ss, gr_sample_and_hold_bb, gr_sample_and_hold_ff, gr_sample_and_hold_ii, gr_sample_and_hold_ss, gr_file_descriptor_sink, gr_file_sink, trellis_encoder_bb, trellis_encoder_bi, trellis_encoder_bs, trellis_encoder_ii, trellis_encoder_si, trellis_encoder_ss, gr_goertzel_fc, gr_burst_tagger, gr_feedforward_agc_cc, gr_fft_vcc_fftw, gr_rail_ff, gr_repeat, gr_rms_cf, gr_rms_ff, gr_wvps_ff, gr_add_cc, gr_add_ff, gr_add_ii, gr_add_ss, gr_divide_cc, gr_divide_ff, gr_divide_ii, gr_divide_ss, gr_multiply_cc, gr_multiply_ff, gr_multiply_ii, gr_multiply_ss, gr_sub_cc, gr_sub_ff, gr_sub_ii, gr_sub_ss, gr_vector_source_b, gr_vector_source_c, gr_vector_source_f, gr_vector_source_i, gr_vector_source_s, audio_oss_source, audio_windows_source, gr_agc2_cc, gr_kludge_copy, gr_phase_modulator_fc, gr_quadrature_demod_cf, gr_stream_to_streams, gr_streams_to_stream, gr_unpack_k_bits_bb, gr_add_const_cc, gr_add_const_ff, gr_add_const_ii, gr_add_const_sf, gr_add_const_ss, gr_add_const_vcc, gr_add_const_vff, gr_add_const_vii, gr_add_const_vss, gr_multiply_const_cc, gr_multiply_const_ff, gr_multiply_const_ii, gr_multiply_const_ss, gr_multiply_const_vcc, gr_multiply_const_vff, gr_multiply_const_vii, gr_multiply_const_vss, gr_mute_cc, gr_mute_ff, gr_mute_ii, gr_mute_ss, atsc_randomizer, digital_ofdm_cyclic_prefixer, vocoder_alaw_decode_bs, vocoder_ulaw_decode_bs, gr_agc_cc, gr_agc_ff, gr_delay, gr_iqcomp_cc, gr_nlog10_ff, gr_probe_signal_f, gr_and_bb, gr_and_ii, gr_and_ss, gr_not_bb, gr_not_ii, gr_not_ss, gr_or_bb, gr_or_ii, gr_or_ss, gr_vector_sink_b, gr_vector_sink_c, gr_vector_sink_f, gr_vector_sink_i, gr_vector_sink_s, gr_xor_bb, gr_xor_ii, gr_xor_ss, atsc_equalizer, audio_oss_sink, pager_flex_deinterleave, pager_slicer_fb, vocoder_alaw_encode_sb, vocoder_ulaw_encode_sb, gr_agc2_ff, gr_deinterleave, gr_diff_encoder_bb, gr_float_to_complex, gr_head, gr_interleave, gr_stream_to_vector, gr_streams_to_vector, gr_vector_to_stream, gr_vector_to_streams, atsc_deinterleaver, atsc_derandomizer, atsc_fs_checker, atsc_rs_decoder, atsc_rs_encoder, atsc_trellis_encoder, atsc_viterbi_decoder, vocoder_gsm_fr_encode_sp, gr_diff_decoder_bb, gr_diff_phasor_cc, atsc_field_sync_mux, atsc_interleaver, atsc_pad, digital_binary_slicer_fb, gr_complex_to_interleaved_short, gr_conjugate_cc, gr_interleaved_short_to_complex, gr_map_bb, gr_null_sink, atsc_ds_to_softds, noaa_hrpt_pll_cf, vocoder_gsm_fr_decode_ps, gr_char_to_float, gr_float_to_char, gr_float_to_short, gr_float_to_uchar, gr_int_to_float, gr_null_source, gr_short_to_float, gr_uchar_to_float, gr_argmax_fs, gr_argmax_is, gr_argmax_ss, gr_max_ff, gr_max_ii, gr_max_ss, atsc_depad, vocoder_codec2_decode_ps, vocoder_codec2_encode_sp, and tag_sink_demo.