AAC encoder context. More...

#include <aacenc.h>

Public Member Functions
	DECLARE_ALIGNED (16, int, qcoefs)[96]
	quantized coefficients

	DECLARE_ALIGNED (32, float, scoefs)[1024]
	scaled coefficients

Public Attributes
AVClass *	av_class

AACEncOptions	options
	encoding options

PutBitContext	pb

FFTContext	mdct1024
	long (1024 samples) frame transform context

FFTContext	mdct128
	short (128 samples) frame transform context

AVFloatDSPContext *	fdsp

AACPCEInfo	pce
	PCE data, if needed.

float *	planar_samples [16]
	saved preprocessed input

int	profile
	copied from avctx

int	needs_pce
	flag for non-standard layout

LPCContext	lpc
	used by TNS

int	samplerate_index
	MPEG-4 samplerate index.

int	channels
	channel count

const uint8_t *	reorder_map
	lavc to aac reorder map

const uint8_t *	chan_map
	channel configuration map

ChannelElement *	cpe
	channel elements

FFPsyContext	psy

struct FFPsyPreprocessContext *	psypp

const AACCoefficientsEncoder *	coder

int	cur_channel
	current channel for coder context

int	random_state

float	lambda

int	last_frame_pb_count
	number of bits for the previous frame

float	lambda_sum
	sum(lambda), for Qvg reporting

int	lambda_count
	count(lambda), for Qvg reporting

enum RawDataBlockType	cur_type
	channel group type cur_channel belongs to

AudioFrameQueue	afq

uint16_t	quantize_band_cost_cache_generation

AACQuantizeBandCostCacheEntry	quantize_band_cost_cache [256][128]
	memoization area for quantize_band_cost

void(*	abs_pow34 )(float out, const float in, const int size)

void(*	quant_bands )(int out, const float in, const float *scaled, int size, int is_signed, int maxval, const float Q34, const float rounding)

struct {
float * samples

}	buffer

Detailed Description

AAC encoder context.

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

Public Member Functions