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/*
* AAC encoder quantizer
* Copyright (C) 2015 Rostislav Pehlivanov
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* AAC encoder quantizer
* @author Rostislav Pehlivanov ( atomnuker gmail com )
*/
#ifndef AVCODEC_AACENC_QUANTIZATION_H
#define AVCODEC_AACENC_QUANTIZATION_H
#include <stddef.h>
#include "aacenc.h"
#include "put_bits.h"
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 inline 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)
{
return ff_quantize_and_encode_band_cost(s, NULL, in, NULL, scaled, size, scale_idx,
cb, lambda, uplim, bits, energy);
}
static inline 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)
{
int auxbits;
ff_quantize_and_encode_band_cost(s, NULL, in, NULL, scaled, size, scale_idx,
cb, 0.0f, uplim, &auxbits, energy);
if (bits) {
*bits = auxbits;
}
return auxbits;
}
#include "aacenc_quantization_misc.h"
#endif /* AVCODEC_AACENC_QUANTIZATION_H */
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