/* * 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 #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 */