ModeTab Struct Reference

Parameters and tables that are different for every combination of bitrate/sample rate. More...

Data Fields
struct FrameMode	fmode [3]
	frame type-dependant parameters
uint16_t	size
	frame size in samples
uint8_t	n_lsp
	number of lsp coefficients
const float *	lspcodebook
uint8_t	lsp_bit0
uint8_t	lsp_bit1
uint8_t	lsp_bit2
uint8_t	lsp_split
	number of CB entries for the LSP decoding
const int16_t *	ppc_shape_cb
	PPC shape CB.
uint8_t	ppc_period_bit
	number of the bits for the PPC period value
uint8_t	ppc_shape_bit
	number of bits of the PPC shape CB coeffs
uint8_t	ppc_shape_len
	size of PPC shape CB
uint8_t	pgain_bit
	bits for PPC gain
uint16_t	peak_per2wid
	constant for peak period to peak width conversion

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Detailed Description

Parameters and tables that are different for every combination of bitrate/sample rate.

Definition at line 68 of file twinvq.c.

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Field Documentation

struct FrameMode ModeTab::fmode[3] [read]

frame type-dependant parameters

Definition at line 69 of file twinvq.c.

Referenced by construct_perm_table(), dec_bark_env(), dec_gain(), dec_lpc_spectrum_inv(), eval_lpcenv(), imdct_and_window(), init_bitstream_params(), init_mdct_win(), and read_and_decode_spectrum().

uint8_t ModeTab::lsp_bit0

Definition at line 76 of file twinvq.c.

Referenced by init_bitstream_params(), and read_and_decode_spectrum().

uint8_t ModeTab::lsp_bit1

Definition at line 77 of file twinvq.c.

Referenced by decode_lsp(), init_bitstream_params(), and read_and_decode_spectrum().

uint8_t ModeTab::lsp_bit2

Definition at line 78 of file twinvq.c.

Referenced by decode_lsp(), init_bitstream_params(), and read_and_decode_spectrum().

uint8_t ModeTab::lsp_split

number of CB entries for the LSP decoding

Definition at line 80 of file twinvq.c.

Referenced by decode_lsp(), init_bitstream_params(), and read_and_decode_spectrum().

const float* ModeTab::lspcodebook

Definition at line 73 of file twinvq.c.

Referenced by decode_lsp().

uint8_t ModeTab::n_lsp

number of lsp coefficients

Definition at line 72 of file twinvq.c.

Referenced by dec_lpc_spectrum_inv(), decode_lsp(), eval_lpcenv(), and eval_lpcenv_or_interp().

uint16_t ModeTab::peak_per2wid

constant for peak period to peak width conversion

Definition at line 91 of file twinvq.c.

Referenced by decode_ppc().

uint8_t ModeTab::pgain_bit

bits for PPC gain

Definition at line 88 of file twinvq.c.

Referenced by init_bitstream_params(), and read_and_decode_spectrum().

uint8_t ModeTab::ppc_period_bit

number of the bits for the PPC period value

Definition at line 84 of file twinvq.c.

Referenced by decode_ppc(), init_bitstream_params(), and read_and_decode_spectrum().

uint8_t ModeTab::ppc_shape_bit

number of bits of the PPC shape CB coeffs

Definition at line 86 of file twinvq.c.

Referenced by init_bitstream_params().

const int16_t* ModeTab::ppc_shape_cb

PPC shape CB.

Definition at line 81 of file twinvq.c.

Referenced by read_and_decode_spectrum().

uint8_t ModeTab::ppc_shape_len

size of PPC shape CB

Definition at line 87 of file twinvq.c.

Referenced by construct_perm_table(), decode_ppc(), init_bitstream_params(), and read_and_decode_spectrum().

uint16_t ModeTab::size

frame size in samples

Definition at line 71 of file twinvq.c.

Referenced by construct_perm_table(), dec_lpc_spectrum_inv(), decode_ppc(), eval_lpcenv(), imdct_and_window(), imdct_output(), init_bitstream_params(), init_mdct_win(), read_and_decode_spectrum(), and twin_decode_frame().

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

• libavcodec/twinvq.c