/* * 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 */
/*
* 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 */