diff options
Diffstat (limited to 'gr-trellis/lib/pccc_decoder_blk_impl.cc')
| -rw-r--r-- | gr-trellis/lib/pccc_decoder_blk_impl.cc | 165 |
1 files changed, 92 insertions, 73 deletions
diff --git a/gr-trellis/lib/pccc_decoder_blk_impl.cc b/gr-trellis/lib/pccc_decoder_blk_impl.cc index b001998416..d6c817685d 100644 --- a/gr-trellis/lib/pccc_decoder_blk_impl.cc +++ b/gr-trellis/lib/pccc_decoder_blk_impl.cc @@ -31,95 +31,114 @@ #include <gnuradio/trellis/core_algorithms.h> namespace gr { - namespace trellis { +namespace trellis { - template <class T> - typename pccc_decoder_blk<T>::sptr - pccc_decoder_blk<T>::make(const fsm &FSM1, int ST10, int ST1K, - const fsm &FSM2, int ST20, int ST2K, - const interleaver &INTERLEAVER, - int blocklength, - int repetitions, - siso_type_t SISO_TYPE) - { - return gnuradio::get_initial_sptr - (new pccc_decoder_blk_impl<T>(FSM1, ST10, ST1K, - FSM2, ST20, ST2K, - INTERLEAVER, - blocklength, - repetitions, - SISO_TYPE)); - } +template <class T> +typename pccc_decoder_blk<T>::sptr +pccc_decoder_blk<T>::make(const fsm& FSM1, + int ST10, + int ST1K, + const fsm& FSM2, + int ST20, + int ST2K, + const interleaver& INTERLEAVER, + int blocklength, + int repetitions, + siso_type_t SISO_TYPE) +{ + return gnuradio::get_initial_sptr(new pccc_decoder_blk_impl<T>(FSM1, + ST10, + ST1K, + FSM2, + ST20, + ST2K, + INTERLEAVER, + blocklength, + repetitions, + SISO_TYPE)); +} - template <class T> - pccc_decoder_blk_impl<T>::pccc_decoder_blk_impl(const fsm &FSM1, int ST10, int ST1K, - const fsm &FSM2, int ST20, int ST2K, - const interleaver &INTERLEAVER, - int blocklength, - int repetitions, - siso_type_t SISO_TYPE) +template <class T> +pccc_decoder_blk_impl<T>::pccc_decoder_blk_impl(const fsm& FSM1, + int ST10, + int ST1K, + const fsm& FSM2, + int ST20, + int ST2K, + const interleaver& INTERLEAVER, + int blocklength, + int repetitions, + siso_type_t SISO_TYPE) : block("pccc_decoder_blk", - io_signature::make(1, 1, sizeof(float)), - io_signature::make(1, 1, sizeof(T))), - d_FSM1(FSM1), d_ST10(ST10), d_ST1K(ST1K), - d_FSM2(FSM2), d_ST20(ST20), d_ST2K(ST2K), + io_signature::make(1, 1, sizeof(float)), + io_signature::make(1, 1, sizeof(T))), + d_FSM1(FSM1), + d_ST10(ST10), + d_ST1K(ST1K), + d_FSM2(FSM2), + d_ST20(ST20), + d_ST2K(ST2K), d_INTERLEAVER(INTERLEAVER), d_blocklength(blocklength), d_repetitions(repetitions), d_SISO_TYPE(SISO_TYPE) - { - this->set_relative_rate (1, (uint64_t)(d_FSM1.O() * d_FSM2.O())); - this->set_output_multiple (d_blocklength); - } - - template <class T> - pccc_decoder_blk_impl<T>::~pccc_decoder_blk_impl() - { - } +{ + this->set_relative_rate(1, (uint64_t)(d_FSM1.O() * d_FSM2.O())); + this->set_output_multiple(d_blocklength); +} - template <class T> - void - pccc_decoder_blk_impl<T>::forecast(int noutput_items, - gr_vector_int &ninput_items_required) - { - int input_required = d_FSM1.O() * d_FSM2.O() * noutput_items; - ninput_items_required[0] = input_required; - } +template <class T> +pccc_decoder_blk_impl<T>::~pccc_decoder_blk_impl() +{ +} - //=========================================================== +template <class T> +void pccc_decoder_blk_impl<T>::forecast(int noutput_items, + gr_vector_int& ninput_items_required) +{ + int input_required = d_FSM1.O() * d_FSM2.O() * noutput_items; + ninput_items_required[0] = input_required; +} - template <class T> - int - pccc_decoder_blk_impl<T>::general_work(int noutput_items, - gr_vector_int &ninput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) - { - int nblocks = noutput_items / d_blocklength; +//=========================================================== - float (*p2min)(float, float) = NULL; - if(d_SISO_TYPE == TRELLIS_MIN_SUM) - p2min = &min; - else if(d_SISO_TYPE == TRELLIS_SUM_PRODUCT) - p2min = &min_star; +template <class T> +int pccc_decoder_blk_impl<T>::general_work(int noutput_items, + gr_vector_int& ninput_items, + gr_vector_const_void_star& input_items, + gr_vector_void_star& output_items) +{ + int nblocks = noutput_items / d_blocklength; - const float *in = (const float *) input_items[0]; - T *out = (T *) output_items[0]; - for(int n=0;n<nblocks;n++) { - pccc_decoder(d_FSM1, d_ST10, d_ST1K, - d_FSM2, d_ST20, d_ST2K, - d_INTERLEAVER, d_blocklength, d_repetitions, - p2min, - &(in[n*d_blocklength*d_FSM1.O()*d_FSM2.O()]), - &(out[n*d_blocklength])); - } + float (*p2min)(float, float) = NULL; + if (d_SISO_TYPE == TRELLIS_MIN_SUM) + p2min = &min; + else if (d_SISO_TYPE == TRELLIS_SUM_PRODUCT) + p2min = &min_star; - this->consume_each(d_FSM1.O() * d_FSM2.O() * noutput_items); - return noutput_items; + const float* in = (const float*)input_items[0]; + T* out = (T*)output_items[0]; + for (int n = 0; n < nblocks; n++) { + pccc_decoder(d_FSM1, + d_ST10, + d_ST1K, + d_FSM2, + d_ST20, + d_ST2K, + d_INTERLEAVER, + d_blocklength, + d_repetitions, + p2min, + &(in[n * d_blocklength * d_FSM1.O() * d_FSM2.O()]), + &(out[n * d_blocklength])); } + this->consume_each(d_FSM1.O() * d_FSM2.O() * noutput_items); + return noutput_items; +} + template class pccc_decoder_blk<std::uint8_t>; template class pccc_decoder_blk<std::int16_t>; template class pccc_decoder_blk<std::int32_t>; - } /* namespace trellis */ +} /* namespace trellis */ } /* namespace gr */ |