| /* |
| * 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 */ |