leansdr::s2_bch_engines Struct Reference

#include <dvbs2.h>

Collaboration diagram for leansdr::s2_bch_engines:

Public Types
typedef bch_engine< uint32_t, 192, 17, 16, uint16_t, 0x002d >	s2_bch_engine_nf12
typedef bch_engine< uint32_t, 160, 17, 16, uint16_t, 0x002d >	s2_bch_engine_nf10
typedef bch_engine< uint32_t, 128, 17, 16, uint16_t, 0x002d >	s2_bch_engine_nf8
typedef bch_engine< uint32_t, 168, 17, 14, uint16_t, 0x002b >	s2_bch_engine_sf12

Public Member Functions
	s2_bch_engines ()

Public Attributes
bch_interface *	bchs [2][FEC_COUNT]

Detailed Description

Definition at line 1964 of file dvbs2.h.

Member Typedef Documentation

s2_bch_engine_nf10

typedef bch_engine<uint32_t, 160, 17, 16, uint16_t, 0x002d> leansdr::s2_bch_engines::s2_bch_engine_nf10

Definition at line 1971 of file dvbs2.h.

s2_bch_engine_nf12

typedef bch_engine<uint32_t, 192, 17, 16, uint16_t, 0x002d> leansdr::s2_bch_engines::s2_bch_engine_nf12

Definition at line 1970 of file dvbs2.h.

s2_bch_engine_nf8

typedef bch_engine<uint32_t, 128, 17, 16, uint16_t, 0x002d> leansdr::s2_bch_engines::s2_bch_engine_nf8

Definition at line 1972 of file dvbs2.h.

s2_bch_engine_sf12

typedef bch_engine<uint32_t, 168, 17, 14, uint16_t, 0x002b> leansdr::s2_bch_engines::s2_bch_engine_sf12

Definition at line 1974 of file dvbs2.h.

Constructor & Destructor Documentation

s2_bch_engines()

leansdr::s2_bch_engines::s2_bch_engines ( )

inline

Definition at line 1975 of file dvbs2.h.

References leansdr::FEC12, leansdr::FEC13, leansdr::FEC14, leansdr::FEC23, leansdr::FEC25, leansdr::FEC34, leansdr::FEC35, leansdr::FEC45, leansdr::FEC56, leansdr::FEC89, and leansdr::FEC910.

    {
        bitvect<uint32_t, 17> bch_polys[2][12]; // [shortframes][polyindex]
        // EN 302 307-1 5.3.1 Table 6a (polynomials for normal frames)
        bch_polys[0][0] = bitvect<uint32_t, 17>(0x1002d);  // g1
        bch_polys[0][1] = bitvect<uint32_t, 17>(0x10173);  // g2
        bch_polys[0][2] = bitvect<uint32_t, 17>(0x10fbd);  // g3
        bch_polys[0][3] = bitvect<uint32_t, 17>(0x15a55);  // g4
        bch_polys[0][4] = bitvect<uint32_t, 17>(0x11f2f);  // g5
        bch_polys[0][5] = bitvect<uint32_t, 17>(0x1f7b5);  // g6
        bch_polys[0][6] = bitvect<uint32_t, 17>(0x1af65);  // g7
        bch_polys[0][7] = bitvect<uint32_t, 17>(0x17367);  // g8
        bch_polys[0][8] = bitvect<uint32_t, 17>(0x10ea1);  // g9
        bch_polys[0][9] = bitvect<uint32_t, 17>(0x175a7);  // g10
        bch_polys[0][10] = bitvect<uint32_t, 17>(0x13a2d); // g11
        bch_polys[0][11] = bitvect<uint32_t, 17>(0x11ae3); // g12
        // EN 302 307-1 5.3.1 Table 6b (polynomials for short frames)
        bch_polys[1][0] = bitvect<uint32_t, 17>(0x402b);  // g1
        bch_polys[1][1] = bitvect<uint32_t, 17>(0x4941);  // g2
        bch_polys[1][2] = bitvect<uint32_t, 17>(0x4647);  // g3
        bch_polys[1][3] = bitvect<uint32_t, 17>(0x5591);  // g4
        bch_polys[1][4] = bitvect<uint32_t, 17>(0x6b55);  // g5
        bch_polys[1][5] = bitvect<uint32_t, 17>(0x6389);  // g6
        bch_polys[1][6] = bitvect<uint32_t, 17>(0x6ce5);  // g7
        bch_polys[1][7] = bitvect<uint32_t, 17>(0x4f21);  // g8
        bch_polys[1][8] = bitvect<uint32_t, 17>(0x460f);  // g9
        bch_polys[1][9] = bitvect<uint32_t, 17>(0x5a49);  // g10
        bch_polys[1][10] = bitvect<uint32_t, 17>(0x5811); // g11
        bch_polys[1][11] = bitvect<uint32_t, 17>(0x65ef); // g12
        // Redundant with fec_infos[], but needs static template argument.
        memset(bchs, 0, sizeof(bchs));
        bchs[0][FEC12] = new s2_bch_engine_nf12(bch_polys[0], 12);
        bchs[0][FEC23] = new s2_bch_engine_nf10(bch_polys[0], 10);
        bchs[0][FEC34] = new s2_bch_engine_nf12(bch_polys[0], 12);
        bchs[0][FEC56] = new s2_bch_engine_nf10(bch_polys[0], 10);
        bchs[0][FEC45] = new s2_bch_engine_nf12(bch_polys[0], 12);
        bchs[0][FEC89] = new s2_bch_engine_nf8(bch_polys[0], 8);
        bchs[0][FEC910] = new s2_bch_engine_nf8(bch_polys[0], 8);
        bchs[0][FEC14] = new s2_bch_engine_nf12(bch_polys[0], 12);
        bchs[0][FEC13] = new s2_bch_engine_nf12(bch_polys[0], 12);
        bchs[0][FEC25] = new s2_bch_engine_nf12(bch_polys[0], 12);
        bchs[0][FEC35] = new s2_bch_engine_nf12(bch_polys[0], 12);
        bchs[1][FEC12] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC23] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC34] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC56] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC45] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC89] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC14] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC13] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC25] = new s2_bch_engine_sf12(bch_polys[1], 12);
        bchs[1][FEC35] = new s2_bch_engine_sf12(bch_polys[1], 12);
    }

Member Data Documentation

bchs

bch_interface* leansdr::s2_bch_engines::bchs[2][FEC_COUNT]

Definition at line 1966 of file dvbs2.h.

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

• plugins/channelrx/demoddatv/leansdr/dvbs2.h