WMAProChannelCtx Struct Reference

frame specific decoder context for a single channel More...

Data Fields
int16_t	prev_block_len
	length of the previous block More...
uint8_t	transmit_coefs
uint8_t	num_subframes
uint16_t	subframe_len [MAX_SUBFRAMES]
	subframe length in samples More...
uint16_t	subframe_offset [MAX_SUBFRAMES]
	subframe positions in the current frame More...
uint8_t	cur_subframe
	current subframe number More...
uint16_t	decoded_samples
	number of already processed samples More...
uint8_t	grouped
	channel is part of a group More...
int	quant_step
	quantization step for the current subframe More...
int8_t	reuse_sf
	share scale factors between subframes More...
int8_t	scale_factor_step
	scaling step for the current subframe More...
int	max_scale_factor
	maximum scale factor for the current subframe More...
int	saved_scale_factors [2][MAX_BANDS]
	resampled and (previously) transmitted scale factor values More...
int8_t	scale_factor_idx
	index for the transmitted scale factor values (used for resampling) More...
int *	scale_factors
	pointer to the scale factor values used for decoding More...
uint8_t	table_idx
	index in sf_offsets for the scale factor reference block More...
float *	coeffs
	pointer to the subframe decode buffer More...
uint16_t	num_vec_coeffs
	number of vector coded coefficients More...

Detailed Description

frame specific decoder context for a single channel

Definition at line 132 of file wmaprodec.c.

Field Documentation

float* WMAProChannelCtx::coeffs

pointer to the subframe decode buffer

Definition at line 149 of file wmaprodec.c.

Referenced by decode_coeffs().

uint8_t WMAProChannelCtx::cur_subframe

current subframe number

Definition at line 138 of file wmaprodec.c.

uint16_t WMAProChannelCtx::decoded_samples

number of already processed samples

Definition at line 139 of file wmaprodec.c.

uint8_t WMAProChannelCtx::grouped

channel is part of a group

Definition at line 140 of file wmaprodec.c.

int WMAProChannelCtx::max_scale_factor

maximum scale factor for the current subframe

Definition at line 144 of file wmaprodec.c.

uint8_t WMAProChannelCtx::num_subframes

Definition at line 135 of file wmaprodec.c.

Referenced by decode_tilehdr().

uint16_t WMAProChannelCtx::num_vec_coeffs

number of vector coded coefficients

Definition at line 150 of file wmaprodec.c.

Referenced by decode_coeffs().

int16_t WMAProChannelCtx::prev_block_len

length of the previous block

Definition at line 133 of file wmaprodec.c.

int WMAProChannelCtx::quant_step

quantization step for the current subframe

Definition at line 141 of file wmaprodec.c.

int8_t WMAProChannelCtx::reuse_sf

share scale factors between subframes

Definition at line 142 of file wmaprodec.c.

int WMAProChannelCtx::saved_scale_factors[2][MAX_BANDS]

resampled and (previously) transmitted scale factor values

Definition at line 145 of file wmaprodec.c.

int8_t WMAProChannelCtx::scale_factor_idx

index for the transmitted scale factor values (used for resampling)

Definition at line 146 of file wmaprodec.c.

int8_t WMAProChannelCtx::scale_factor_step

scaling step for the current subframe

Definition at line 143 of file wmaprodec.c.

int* WMAProChannelCtx::scale_factors

pointer to the scale factor values used for decoding

Definition at line 147 of file wmaprodec.c.

uint16_t WMAProChannelCtx::subframe_len[MAX_SUBFRAMES]

subframe length in samples

Definition at line 136 of file wmaprodec.c.

Referenced by decode_tilehdr().

uint16_t WMAProChannelCtx::subframe_offset[MAX_SUBFRAMES]

subframe positions in the current frame

Definition at line 137 of file wmaprodec.c.

uint8_t WMAProChannelCtx::table_idx

index in sf_offsets for the scale factor reference block

Definition at line 148 of file wmaprodec.c.

uint8_t WMAProChannelCtx::transmit_coefs

Definition at line 134 of file wmaprodec.c.

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

• wmaprodec.c