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...

float	out [WMAPRO_BLOCK_MAX_SIZE+WMAPRO_BLOCK_MAX_SIZE/2]
	output buffer More...

Detailed Description

frame specific decoder context for a single channel

Definition at line 144 of file wmaprodec.c.

Field Documentation

◆ prev_block_len

int16_t WMAProChannelCtx::prev_block_len

length of the previous block

Definition at line 145 of file wmaprodec.c.

◆ transmit_coefs

uint8_t WMAProChannelCtx::transmit_coefs

Definition at line 146 of file wmaprodec.c.

◆ num_subframes

uint8_t WMAProChannelCtx::num_subframes

Definition at line 147 of file wmaprodec.c.

Referenced by decode_tilehdr().

◆ subframe_len

uint16_t WMAProChannelCtx::subframe_len[MAX_SUBFRAMES]

subframe length in samples

Definition at line 148 of file wmaprodec.c.

Referenced by decode_tilehdr().

◆ subframe_offset

uint16_t WMAProChannelCtx::subframe_offset[MAX_SUBFRAMES]

subframe positions in the current frame

Definition at line 149 of file wmaprodec.c.

◆ cur_subframe

uint8_t WMAProChannelCtx::cur_subframe

current subframe number

Definition at line 150 of file wmaprodec.c.

◆ decoded_samples

uint16_t WMAProChannelCtx::decoded_samples

number of already processed samples

Definition at line 151 of file wmaprodec.c.

◆ grouped

uint8_t WMAProChannelCtx::grouped

channel is part of a group

Definition at line 152 of file wmaprodec.c.

◆ quant_step

int WMAProChannelCtx::quant_step

quantization step for the current subframe

Definition at line 153 of file wmaprodec.c.

◆ reuse_sf

int8_t WMAProChannelCtx::reuse_sf

share scale factors between subframes

Definition at line 154 of file wmaprodec.c.

◆ scale_factor_step

int8_t WMAProChannelCtx::scale_factor_step

scaling step for the current subframe

Definition at line 155 of file wmaprodec.c.

◆ max_scale_factor

int WMAProChannelCtx::max_scale_factor

maximum scale factor for the current subframe

Definition at line 156 of file wmaprodec.c.

◆ saved_scale_factors

int WMAProChannelCtx::saved_scale_factors[2][MAX_BANDS]

resampled and (previously) transmitted scale factor values

Definition at line 157 of file wmaprodec.c.

◆ scale_factor_idx

int8_t WMAProChannelCtx::scale_factor_idx

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

Definition at line 158 of file wmaprodec.c.

◆ scale_factors

int* WMAProChannelCtx::scale_factors

pointer to the scale factor values used for decoding

Definition at line 159 of file wmaprodec.c.

◆ table_idx

uint8_t WMAProChannelCtx::table_idx

index in sf_offsets for the scale factor reference block

Definition at line 160 of file wmaprodec.c.

◆ coeffs

float* WMAProChannelCtx::coeffs

pointer to the subframe decode buffer

Definition at line 161 of file wmaprodec.c.

Referenced by decode_coeffs().

◆ num_vec_coeffs

uint16_t WMAProChannelCtx::num_vec_coeffs

number of vector coded coefficients

Definition at line 162 of file wmaprodec.c.