RA144Context Struct Reference

#include <ra144.h>

Data Fields
AVCodecContext *	avctx
AVFrame	frame
LPCContext	lpc_ctx
AudioFrameQueue	afq
int	last_frame
unsigned int	old_energy
	previous frame energy
unsigned int	lpc_tables [2][10]
unsigned int *	lpc_coef [2]
	LPC coefficients: lpc_coef[0] is the coefficients of the current frame and lpc_coef[1] of the previous one.
unsigned int	lpc_refl_rms [2]
int16_t	curr_block [NBLOCKS *BLOCKSIZE]
int16_t	curr_sblock [50]
	The current subblock padded by the last 10 values of the previous one.
uint16_t	adapt_cb [146+2]
	Adaptive codebook, its size is two units bigger to avoid a buffer overflow.

Detailed Description

Definition at line 36 of file ra144.h.

Field Documentation

AVCodecContext* RA144Context::avctx

Definition at line 37 of file ra144.h.

Referenced by ff_interp(), ra144_decode_init(), and ra144_encode_init().

AVFrame RA144Context::frame

Definition at line 38 of file ra144.h.

Referenced by ra144_decode_frame(), and ra144_decode_init().

LPCContext RA144Context::lpc_ctx

Definition at line 39 of file ra144.h.

Referenced by ra144_encode_close(), ra144_encode_frame(), and ra144_encode_init().

AudioFrameQueue RA144Context::afq

Definition at line 40 of file ra144.h.

Referenced by ra144_encode_close(), ra144_encode_frame(), and ra144_encode_init().

int RA144Context::last_frame

Definition at line 41 of file ra144.h.

Referenced by ra144_encode_frame().

unsigned int RA144Context::old_energy

previous frame energy

Definition at line 43 of file ra144.h.

Referenced by ra144_decode_frame(), and ra144_encode_frame().

unsigned int RA144Context::lpc_tables[2][10]

Definition at line 45 of file ra144.h.

Referenced by ra144_decode_init(), and ra144_encode_init().

unsigned int* RA144Context::lpc_coef[2]

LPC coefficients: lpc_coef[0] is the coefficients of the current frame and lpc_coef[1] of the previous one.

Definition at line 49 of file ra144.h.

Referenced by ff_interp(), ra144_decode_frame(), ra144_decode_init(), ra144_encode_frame(), and ra144_encode_init().

unsigned int RA144Context::lpc_refl_rms[2]

Definition at line 51 of file ra144.h.

Referenced by ff_interp(), ra144_decode_frame(), and ra144_encode_frame().

int16_t RA144Context::curr_block[NBLOCKS *BLOCKSIZE]

Definition at line 53 of file ra144.h.

Referenced by ra144_encode_frame().

int16_t RA144Context::curr_sblock[50]

The current subblock padded by the last 10 values of the previous one.

Definition at line 56 of file ra144.h.

Referenced by ff_subblock_synthesis(), ra144_decode_frame(), and ra144_encode_subblock().

uint16_t RA144Context::adapt_cb[146+2]

Adaptive codebook, its size is two units bigger to avoid a buffer overflow.

Definition at line 60 of file ra144.h.

Referenced by ff_subblock_synthesis(), and ra144_encode_subblock().

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

• libavcodec/ra144.h