FFmpeg: libavcodec/aacenc_quantization.h File Reference

FFmpeg

libavcodec

aacenc_quantization.h File Reference

#include <stddef.h>
#include "aacenc.h"
#include "put_bits.h"
#include "aacenc_quantization_misc.h"

Functions

float ff_quantize_and_encode_band_cost (AACEncContext *s, PutBitContext *pb, const float *in, float *quant, const float *scaled, int size, int scale_idx, int cb, const float lambda, const float uplim, int *bits, float *energy)

static float quantize_band_cost (struct AACEncContext *s, const float *in, const float *scaled, int size, int scale_idx, int cb, const float lambda, const float uplim, int *bits, float *energy)

static int quantize_band_cost_bits (struct AACEncContext *s, const float *in, const float *scaled, int size, int scale_idx, int cb, const float lambda, const float uplim, int *bits, float *energy)

Detailed Description

AAC encoder quantizer

Author: Rostislav Pehlivanov ( atomnuker gmail com )

Definition in file aacenc_quantization.h.

Function Documentation

◆ ff_quantize_and_encode_band_cost()

float ff_quantize_and_encode_band_cost ( AACEncContext * s,

PutBitContext * pb,

const float * in,

float * quant,

const float * scaled,

int size,

int scale_idx,

int cb,

const float lambda,

const float uplim,

int * bits,

float * energy

)

Definition at line 267 of file aaccoder.c.

Referenced by quantize_band_cost(), and quantize_band_cost_bits().

◆ quantize_band_cost()

static float quantize_band_cost ( struct AACEncContext * s,

const float * in,

const float * scaled,

int size,

int scale_idx,

int cb,

const float lambda,

const float uplim,

int * bits,

float * energy

)

inlinestatic

Definition at line 43 of file aacenc_quantization.h.

Referenced by aac_is_encoding_err(), quantize_band_cost_cached(), search_for_ms(), and search_for_pns().

◆ quantize_band_cost_bits()

static int quantize_band_cost_bits ( struct AACEncContext * s,

const float * in,

const float * scaled,

int size,

int scale_idx,

int cb,

const float lambda,

const float uplim,

int * bits,

float * energy

)

inlinestatic

Definition at line 52 of file aacenc_quantization.h.

Referenced by codebook_trellis_rate().

Generated on Wed Nov 19 2025 19:23:37 for FFmpeg by doxygen 1.8.17