gr::dtv Namespace Reference

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...

Enumerations
enum	catv_constellation_t { CATV_MOD_64QAM = 0, CATV_MOD_256QAM }
enum	dvb_standard_t { STANDARD_DVBS2 = 0, STANDARD_DVBT2 }
enum	dvb_code_rate_t {   C1_4 = 0, C1_3, C2_5, C1_2,   C3_5, C2_3, C3_4, C4_5,   C5_6, C7_8, C8_9, C9_10,   C13_45, C9_20, C90_180, C96_180,   C11_20, C100_180, C104_180, C26_45,   C18_30, C28_45, C23_36, C116_180,   C20_30, C124_180, C25_36, C128_180,   C13_18, C132_180, C22_30, C135_180,   C140_180, C7_9, C154_180, C11_45,   C4_15, C14_45, C7_15, C8_15,   C32_45, C2_9_VLSNR, C1_5_MEDIUM, C11_45_MEDIUM,   C1_3_MEDIUM, C1_5_VLSNR_SF2, C11_45_VLSNR_SF2, C1_5_VLSNR,   C4_15_VLSNR, C1_3_VLSNR, C_OTHER }
enum	dvb_framesize_t { FECFRAME_SHORT = 0, FECFRAME_NORMAL, FECFRAME_MEDIUM }
enum	dvb_constellation_t {   MOD_QPSK = 0, MOD_16QAM, MOD_64QAM, MOD_256QAM,   MOD_8PSK, MOD_8APSK, MOD_16APSK, MOD_8_8APSK,   MOD_32APSK, MOD_4_12_16APSK, MOD_4_8_4_16APSK, MOD_64APSK,   MOD_8_16_20_20APSK, MOD_4_12_20_28APSK, MOD_128APSK, MOD_256APSK,   MOD_BPSK, MOD_BPSK_SF2, MOD_8VSB, MOD_OTHER }
enum	dvb_guardinterval_t {   GI_1_32 = 0, GI_1_16, GI_1_8, GI_1_4,   GI_1_128, GI_19_128, GI_19_256 }
enum	dvbs2_rolloff_factor_t {   RO_0_35 = 0, RO_0_25, RO_0_20, RO_RESERVED,   RO_0_15, RO_0_10, RO_0_05 }
enum	dvbs2_pilots_t { PILOTS_OFF = 0, PILOTS_ON }
enum	dvbs2_interpolation_t { INTERPOLATION_OFF = 0, INTERPOLATION_ON }
enum	dvbt2_rotation_t { ROTATION_OFF = 0, ROTATION_ON }
enum	dvbt2_streamtype_t { STREAMTYPE_TS = 0, STREAMTYPE_GS, STREAMTYPE_BOTH }
enum	dvbt2_inputmode_t { INPUTMODE_NORMAL = 0, INPUTMODE_HIEFF }
enum	dvbt2_extended_carrier_t { CARRIERS_NORMAL = 0, CARRIERS_EXTENDED }
enum	dvbt2_preamble_t {   PREAMBLE_T2_SISO = 0, PREAMBLE_T2_MISO, PREAMBLE_NON_T2, PREAMBLE_T2_LITE_SISO,   PREAMBLE_T2_LITE_MISO }
enum	dvbt2_fftsize_t {   FFTSIZE_2K = 0, FFTSIZE_8K, FFTSIZE_4K, FFTSIZE_1K,   FFTSIZE_16K, FFTSIZE_32K, FFTSIZE_8K_T2GI, FFTSIZE_32K_T2GI,   FFTSIZE_16K_T2GI = 11 }
enum	dvbt2_papr_t { PAPR_OFF = 0, PAPR_ACE, PAPR_TR, PAPR_BOTH }
enum	dvbt2_l1constellation_t { L1_MOD_BPSK = 0, L1_MOD_QPSK, L1_MOD_16QAM, L1_MOD_64QAM }
enum	dvbt2_pilotpattern_t {   PILOT_PP1 = 0, PILOT_PP2, PILOT_PP3, PILOT_PP4,   PILOT_PP5, PILOT_PP6, PILOT_PP7, PILOT_PP8 }
enum	dvbt2_version_t { VERSION_111 = 0, VERSION_121, VERSION_131 }
enum	dvbt2_reservedbiasbits_t { RESERVED_OFF = 0, RESERVED_ON }
enum	dvbt2_l1scrambled_t { L1_SCRAMBLED_OFF = 0, L1_SCRAMBLED_ON }
enum	dvbt2_misogroup_t { MISO_TX1 = 0, MISO_TX2 }
enum	dvbt2_showlevels_t { SHOWLEVELS_OFF = 0, SHOWLEVELS_ON }
enum	dvbt2_inband_t { INBAND_OFF = 0, INBAND_ON }
enum	dvbt2_equalization_t { EQUALIZATION_OFF = 0, EQUALIZATION_ON }
enum	dvbt2_bandwidth_t {   BANDWIDTH_1_7_MHZ = 0, BANDWIDTH_5_0_MHZ, BANDWIDTH_6_0_MHZ, BANDWIDTH_7_0_MHZ,   BANDWIDTH_8_0_MHZ, BANDWIDTH_10_0_MHZ }
enum	dvbt_hierarchy_t { NH = 0, ALPHA1, ALPHA2, ALPHA4 }
enum	dvbt_transmission_mode_t { T2k = 0, T8k = 1 }

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

Enumeration Type Documentation

enum gr::dtv::catv_constellation_t

Enumerator
CATV_MOD_64QAM
CATV_MOD_256QAM

enum gr::dtv::dvb_code_rate_t

Enumerator
C1_4
C1_3
C2_5
C1_2
C3_5
C2_3
C3_4
C4_5
C5_6
C7_8
C8_9
C9_10
C13_45
C9_20
C90_180
C96_180
C11_20
C100_180
C104_180
C26_45
C18_30
C28_45
C23_36
C116_180
C20_30
C124_180
C25_36
C128_180
C13_18
C132_180
C22_30
C135_180
C140_180
C7_9
C154_180
C11_45
C4_15
C14_45
C7_15
C8_15
C32_45
C2_9_VLSNR
C1_5_MEDIUM
C11_45_MEDIUM
C1_3_MEDIUM
C1_5_VLSNR_SF2
C11_45_VLSNR_SF2
C1_5_VLSNR
C4_15_VLSNR
C1_3_VLSNR
C_OTHER

enum gr::dtv::dvb_constellation_t

Enumerator
MOD_QPSK
MOD_16QAM
MOD_64QAM
MOD_256QAM
MOD_8PSK
MOD_8APSK
MOD_16APSK
MOD_8_8APSK
MOD_32APSK
MOD_4_12_16APSK
MOD_4_8_4_16APSK
MOD_64APSK
MOD_8_16_20_20APSK
MOD_4_12_20_28APSK
MOD_128APSK
MOD_256APSK
MOD_BPSK
MOD_BPSK_SF2
MOD_8VSB
MOD_OTHER

enum gr::dtv::dvb_framesize_t

Enumerator
FECFRAME_SHORT
FECFRAME_NORMAL
FECFRAME_MEDIUM

enum gr::dtv::dvb_guardinterval_t

Enumerator
GI_1_32
GI_1_16
GI_1_8
GI_1_4
GI_1_128
GI_19_128
GI_19_256

enum gr::dtv::dvb_standard_t

Enumerator
STANDARD_DVBS2
STANDARD_DVBT2

enum gr::dtv::dvbs2_interpolation_t

Enumerator
INTERPOLATION_OFF
INTERPOLATION_ON

enum gr::dtv::dvbs2_pilots_t

Enumerator
PILOTS_OFF
PILOTS_ON

enum gr::dtv::dvbs2_rolloff_factor_t

Enumerator
RO_0_35
RO_0_25
RO_0_20
RO_RESERVED
RO_0_15
RO_0_10
RO_0_05

enum gr::dtv::dvbt2_bandwidth_t

Enumerator
BANDWIDTH_1_7_MHZ
BANDWIDTH_5_0_MHZ
BANDWIDTH_6_0_MHZ
BANDWIDTH_7_0_MHZ
BANDWIDTH_8_0_MHZ
BANDWIDTH_10_0_MHZ

enum gr::dtv::dvbt2_equalization_t

Enumerator
EQUALIZATION_OFF
EQUALIZATION_ON

enum gr::dtv::dvbt2_extended_carrier_t

Enumerator
CARRIERS_NORMAL
CARRIERS_EXTENDED

enum gr::dtv::dvbt2_fftsize_t

Enumerator
FFTSIZE_2K
FFTSIZE_8K
FFTSIZE_4K
FFTSIZE_1K
FFTSIZE_16K
FFTSIZE_32K
FFTSIZE_8K_T2GI
FFTSIZE_32K_T2GI
FFTSIZE_16K_T2GI

enum gr::dtv::dvbt2_inband_t

Enumerator
INBAND_OFF
INBAND_ON

enum gr::dtv::dvbt2_inputmode_t

Enumerator
INPUTMODE_NORMAL
INPUTMODE_HIEFF

enum gr::dtv::dvbt2_l1constellation_t

Enumerator
L1_MOD_BPSK
L1_MOD_QPSK
L1_MOD_16QAM
L1_MOD_64QAM

enum gr::dtv::dvbt2_l1scrambled_t

Enumerator
L1_SCRAMBLED_OFF
L1_SCRAMBLED_ON

enum gr::dtv::dvbt2_misogroup_t

Enumerator
MISO_TX1
MISO_TX2

enum gr::dtv::dvbt2_papr_t

Enumerator
PAPR_OFF
PAPR_ACE
PAPR_TR
PAPR_BOTH

enum gr::dtv::dvbt2_pilotpattern_t

Enumerator
PILOT_PP1
PILOT_PP2
PILOT_PP3
PILOT_PP4
PILOT_PP5
PILOT_PP6
PILOT_PP7
PILOT_PP8

enum gr::dtv::dvbt2_preamble_t

Enumerator
PREAMBLE_T2_SISO
PREAMBLE_T2_MISO
PREAMBLE_NON_T2
PREAMBLE_T2_LITE_SISO
PREAMBLE_T2_LITE_MISO

enum gr::dtv::dvbt2_reservedbiasbits_t

Enumerator
RESERVED_OFF
RESERVED_ON

enum gr::dtv::dvbt2_rotation_t

Enumerator
ROTATION_OFF
ROTATION_ON

enum gr::dtv::dvbt2_showlevels_t

Enumerator
SHOWLEVELS_OFF
SHOWLEVELS_ON

enum gr::dtv::dvbt2_streamtype_t

Enumerator
STREAMTYPE_TS
STREAMTYPE_GS
STREAMTYPE_BOTH

enum gr::dtv::dvbt2_version_t

Enumerator
VERSION_111
VERSION_121
VERSION_131

enum gr::dtv::dvbt_hierarchy_t

Enumerator
NH
ALPHA1
ALPHA2
ALPHA4

enum gr::dtv::dvbt_transmission_mode_t

Enumerator
T2k
T8k

Variable Documentation

const int gr::dtv::ATSC_DATA_SEGMENT_LENGTH = 832

static

const double gr::dtv::ATSC_DATA_SEGMENT_RATE = ATSC_SYMBOL_RATE/832

static

const int gr::dtv::ATSC_DSEGS_PER_FIELD = 312

static

const int gr::dtv::ATSC_MPEG_DATA_LENGTH = 187

static

const int gr::dtv::ATSC_MPEG_PKT_LENGTH = 188

static

const int gr::dtv::ATSC_MPEG_RS_ENCODED_LENGTH = 207

static

const double gr::dtv::ATSC_SYMBOL_RATE = 4.5e6/286*684

static

const int gr::dtv::MPEG_SYNC_BYTE = 0x47

static

const int gr::dtv::MPEG_TRANSPORT_ERROR_BIT = 0x80

static