Classes | |
class | atsc_deinterleaver |
ATSC deinterleave RS encoded ATSC data ( atsc_mpeg_packet_rs_encoded –> atsc_mpeg_packet_rs_encoded)input: atsc_mpeg_packet_rs_encoded; output: atsc_mpeg_packet_rs_encoded. More... | |
class | atsc_depad |
ATSC depad mpeg ts packets from 256 byte atsc_mpeg_packet to 188 byte charinput: atsc_mpeg_packet; output: unsigned char. More... | |
class | atsc_derandomizer |
ATSC "dewhiten" incoming mpeg transport stream packetsinput: atsc_mpeg_packet_no_sync; output: atsc_mpeg_packet;. More... | |
class | atsc_equalizer |
ATSC Receiver Equalizer. More... | |
class | atsc_field_sync_mux |
<+description of block+> More... | |
class | atsc_fpll |
ATSC Receiver FPLL. More... | |
class | atsc_fs_checker |
ATSC Receiver FS_CHECKER. More... | |
class | atsc_interleaver |
<+description of block+> More... | |
class | atsc_pad |
<+description of block+> More... | |
class | atsc_randomizer |
<+description of block+> More... | |
class | atsc_rs_decoder |
ATSC Receiver Reed-Solomon Decoder. More... | |
class | atsc_rs_encoder |
<+description of block+> More... | |
class | atsc_sync |
ATSC Receiver SYNC. More... | |
class | atsc_trellis_encoder |
<+description of block+> More... | |
class | atsc_viterbi_decoder |
ATSC Viterbi Decoder. More... | |
class | catv_frame_sync_enc_bb |
Frame Sync Encoder. Adds a 42-bit (64QAM) or 40-bit (256QAM) frame sync pattern with control word.Input: Scrambled FEC Frame packets of 60 * 128 (64QAM) or 88 * 128 (256QAM) 7-bit symbols. Output: Scrambled FEC Frame packets of 60 * 128 (64QAM) or 88 * 128 (256QAM) 7-bit symbols with 42-bit (64QAM) or 40-bit (256QAM) FSYNC word. More... | |
class | catv_randomizer_bb |
Randomizer, x^3 + x + alpha^3, 7-bit symbols.Input: Interleaved MPEG-2 + RS parity bitstream packets of 128 7-bit symbols. Output: Scrambled FEC Frame packets of 60 * 128 (64QAM) or 88 * 128 (256QAM) 7-bit symbols. More... | |
class | catv_reed_solomon_enc_bb |
Reed Solomon Encoder, t=3, (128,122), 7-bit symbols.Input: MPEG-2 bitstream packets of 122 7-bit symbols. Output: MPEG-2 + RS parity bitstream packets of 128 7-bit symbols. More... | |
class | catv_transport_framing_enc_bb |
Transport Framing Encoder. Adds a parity checksum to MPEG-2 packets.Input: MPEG-2 Transport Stream. Output: MPEG-2 Transport Stream with parity checksum byte. More... | |
class | catv_trellis_enc_bb |
Trellis Encoder. 14/15 (64QAM) or 19/20 (256QAM) code rate.Input: Scrambled FEC Frame packets of 60 * 128 (64QAM) or 88 * 128 (256QAM) 7-bit symbols with 42-bit (64QAM) or 40-bit (256QAM) FSYNC word. Output: Four 7-bit symbols (28 bits) Trellis encoded to 30 bits (64QAM, 14/15 code rate) or 38 data bits Trellis encoded to 40 bits (256QAM, 19/20 code rate). More... | |
class | dvb_bbheader_bb |
Formats MPEG-2 Transport Stream packets into FEC baseband frames and adds a 10-byte header. More... | |
class | dvb_bbscrambler_bb |
Scrambles FEC baseband frames with a PRBS encoder. More... | |
class | dvb_bch_bb |
Encodes a BCH ((Bose, Chaudhuri, Hocquenghem) FEC. More... | |
class | dvb_ldpc_bb |
Encodes a LDPC (Low-Density Parity-Check) FEC.Input: Variable length FEC baseband frames with appended BCH (BCHFEC). Output: Normal, medium or short FEC baseband frames with appended LPDC (LDPCFEC). More... | |
class | dvbs2_interleaver_bb |
Bit interleaves DVB-S2 FEC baseband frames.Input: Normal or short FEC baseband frames with appended LPDC (LDPCFEC). Output: Bit interleaved baseband frames. More... | |
class | dvbs2_modulator_bc |
Modulates DVB-S2 frames.Input: Bit interleaved baseband frames. Output: QPSK, 8PSK, 16APSK or 32APSK modulated complex IQ values (XFECFRAME). More... | |
class | dvbs2_physical_cc |
Signals DVB-S2 physical layer frames.Input: QPSK, 8PSK, 16APSK or 32APSK modulated complex IQ values (XFECFRAME). Output: DVB-S2 PLFRAME. More... | |
class | dvbt2_cellinterleaver_cc |
Cell and time interleaves QPSK/QAM modulated cells.Input: QPSK, 16QAM, 64QAM or 256QAM modulated cells. Output: Cell and time interleaved QPSK, 16QAM, 64QAM or 256QAM modulated cells. More... | |
class | dvbt2_framemapper_cc |
Maps T2 frames.Input: Cell and time interleaved QPSK, 16QAM, 64QAM or 256QAM modulated cells. Output: T2 frame. More... | |
class | dvbt2_freqinterleaver_cc |
Frequency interleaves a T2 frame.Input: T2 frame. Output: Frequency interleaved T2 frame. More... | |
class | dvbt2_interleaver_bb |
Bit interleaves DVB-T2 FEC baseband frames.Input: Normal or short FEC baseband frames with appended LPDC (LDPCFEC). Output: Bit interleaved (with column twist and bit to cell word de-multiplexed) cells. More... | |
class | dvbt2_miso_cc |
Splits the stream for MISO (Multiple Input Single Output).Input: Frequency interleaved T2 frame. Output1: Frequency interleaved T2 frame (copy of input). Output2: Frequency interleaved T2 frame with modified Alamouti processing. More... | |
class | dvbt2_modulator_bc |
Modulates DVB-T2 cells.Input: Bit interleaved (with column twist and bit to cell word de-multiplexing) cells. Output: QPSK, 16QAM, 64QAM or 256QAM modulated complex IQ values (cells). More... | |
class | dvbt2_p1insertion_cc |
Inserts a P1 symbol.Input: OFDM T2 frame. Output: OFDM T2 frame with P1 symbol. More... | |
class | dvbt2_paprtr_cc |
Peak to Average Power Ratio (PAPR) reduction.Input: A T2 frame of OFDM symbols. Output: A T2 frame of PAPR reduced OFDM symbols. More... | |
class | dvbt2_pilotgenerator_cc |
Adds pilots to T2 frames.Input: Frequency interleaved T2 frame. Output: T2 frame with pilots (in time domain). More... | |
class | dvbt_bit_inner_deinterleaver |
Bit Inner deinterleaver.ETSI EN 300 744 Clause 4.3.4.1 Data Input format: 000000B0B1 - QPSK. 0000B0B1B2B3 - 16QAM. 00B0B1B2B3B4B5 - 64QAM. Data Output format: 000000X0X1 - QPSK. 0000X0X1X2X3 - 16QAM. 00X0X1X2X3X4X5 - 64QAM. bit deinterleaver block size is 126. More... | |
class | dvbt_bit_inner_interleaver |
Bit Inner interleaver.ETSI EN 300 744 Clause 4.3.4.1 Data Input format: 000000X0X1 - QPSK. 0000X0X1X2X3 - 16QAM. 00X0X1X2X3X4X5 - 64QAM. Data Output format: 000000B0B1 - QPSK. 0000B0B1B2B3 - 16QAM. 00B0B1B2B3B4B5 - 64QAM. bit interleaver block size is 126. More... | |
class | dvbt_convolutional_deinterleaver |
Convolutional deinterleaver.ETSI EN 300 744 Clause 4.3.1 Forney (Ramsey type III) convolutional deinterleaver. Data input: Stream of 1 byte elements. Data output: Blocks of I bytes size. More... | |
class | dvbt_convolutional_interleaver |
Convolutional interleaver.ETSI EN 300 744 Clause 4.3.1 Forney (Ramsey type III) convolutional interleaver. Input: Blocks of I bytes size. Output: Stream of 1 byte elements. More... | |
class | dvbt_demap |
DVB-T demapper.ETSI EN 300 744 Clause 4.3.5. Data input format: complex(real(float), imag(float)). Data output format: 000000Y0Y1 - QPSK. 0000Y0Y1Y2Y3 - 16QAM. 00Y0Y1Y2Y3Y4Y5 - 64QAM. More... | |
class | dvbt_demod_reference_signals |
Reference signals demodulator.ETSI EN 300 744 Clause 4.5 Data input format: complex(real(float), imag(float)). Data output format: complex(real(float), imag(float)). More... | |
class | dvbt_energy_descramble |
Energy descrambleETSI EN 300 744 - Clause 4.3.1. Input - Randomized MPEG-2 transport packets. Output - MPEG-2 transport packets (including sync - 0x47). We assume the first byte is a NSYNC. First sync in a row of 8 packets is reversed - 0xB8. Block size is 188 bytes. More... | |
class | dvbt_energy_dispersal |
Energy dispersal.ETSI EN 300 744 - Clause 4.3.1 Input - MPEG-2 transport packets (including sync - 0x47). Output - Randomized MPEG-2 transport packets. If first byte is not a SYNC then look for it. First sync in a row of 8 packets is reversed - 0xB8. Block size is 188 bytes. More... | |
class | dvbt_inner_coder |
Inner coder with Puncturing.ETSI EN 300 744 Clause 4.3.3 Mother convolutional code with rate 1/2. k=1, n=2, K=6. Generator polynomial G1=171(OCT), G2=133(OCT). Punctured to obtain rates of 2/3, 3/4, 5/6, 7/8. Data Input format: Packed bytes (each bit is data). MSB - first, LSB last. Data Output format: 000000X0X1 - QPSK. 0000X0X1X2X3 - 16QAM. 00X0X1X2X3X4X5 - 64QAM. More... | |
class | dvbt_map |
DVB-T mapper.ETSI EN 300 744 Clause 4.3.5. Data input format: 000000Y0Y1 - QPSK. 0000Y0Y1Y2Y3 - 16QAM. 00Y0Y1Y2Y3Y4Y5 - 64QAM. Data output format: complex(real(float), imag(float)). More... | |
class | dvbt_ofdm_sym_acquisition |
OFDM symbol acquisition.Data input format: complex(real(float), imag(float)). Data output format: complex(real(float), imag(float)). More... | |
class | dvbt_reed_solomon_dec |
Reed Solomon decoder.ETSI EN 300 744 Clause 4.3.2 RS(N=204,K=239,T=8). More... | |
class | dvbt_reed_solomon_enc |
Reed Solomon encoderETSI EN 300 744 Clause 4.3.2 RS(N=204,K=239,T=8). More... | |
class | dvbt_reference_signals |
Reference signals generator.ETSI EN 300 744 Clause 4.5 Data input format: complex(real(float), imag(float)). Data output format: complex(real(float), imag(float)). More... | |
class | dvbt_symbol_inner_interleaver |
Symbol interleaver.ETSI EN 300 744 Clause 4.3.4.2 One block is 12 groups x 126 datawords = 1512 datawords. More... | |
class | dvbt_viterbi_decoder |
DVB-T Viterbi decoder.ETSI EN 300 744 Clause 4.3.3 Mother convolutional code with rate 1/2. k=1, n=2, K=6. Generator polynomial G1=171(OCT), G2=133(OCT). Punctured to obtain rates of 2/3, 3/4, 5/6, 7/8. Data Input format: 000000X0X1 - QPSK. 0000X0X1X2X3 - 16QAM. 00X0X1X2X3X4X5 - 64QAM. Data Output format: Packed bytes (each bit is data). MSB - first, LSB last. More... | |
Variables | |
static const int | ATSC_MPEG_DATA_LENGTH = 187 |
static const int | ATSC_MPEG_PKT_LENGTH = 188 |
static const int | ATSC_MPEG_RS_ENCODED_LENGTH = 207 |
static const int | MPEG_SYNC_BYTE = 0x47 |
static const int | MPEG_TRANSPORT_ERROR_BIT = 0x80 |
static const double | ATSC_SYMBOL_RATE = 4.5e6 / 286 * 684 |
static const double | ATSC_DATA_SEGMENT_RATE = ATSC_SYMBOL_RATE / 832 |
static const int | ATSC_DATA_SEGMENT_LENGTH = 832 |
static const int | ATSC_DSEGS_PER_FIELD = 312 |
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