| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * AAC encoder quantizer | ||
| 3 | * Copyright (C) 2015 Rostislav Pehlivanov | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | /** | ||
| 23 | * @file | ||
| 24 | * AAC encoder quantizer | ||
| 25 | * @author Rostislav Pehlivanov ( atomnuker gmail com ) | ||
| 26 | */ | ||
| 27 | |||
| 28 | #ifndef AVCODEC_AACENC_QUANTIZATION_H | ||
| 29 | #define AVCODEC_AACENC_QUANTIZATION_H | ||
| 30 | |||
| 31 | #include <stddef.h> | ||
| 32 | |||
| 33 | #include "aacenc.h" | ||
| 34 | #include "put_bits.h" | ||
| 35 | |||
| 36 | |||
| 37 | float ff_quantize_and_encode_band_cost(AACEncContext *s, PutBitContext *pb, | ||
| 38 | const float *in, float *quant, const float *scaled, | ||
| 39 | int size, int scale_idx, int cb, | ||
| 40 | const float lambda, const float uplim, | ||
| 41 | int *bits, float *energy); | ||
| 42 | |||
| 43 | 5039063 | static inline float quantize_band_cost(struct AACEncContext *s, const float *in, | |
| 44 | const float *scaled, int size, int scale_idx, | ||
| 45 | int cb, const float lambda, const float uplim, | ||
| 46 | int *bits, float *energy) | ||
| 47 | { | ||
| 48 | 5039063 | return ff_quantize_and_encode_band_cost(s, NULL, in, NULL, scaled, size, scale_idx, | |
| 49 | cb, lambda, uplim, bits, energy); | ||
| 50 | } | ||
| 51 | |||
| 52 | 3614834 | static inline int quantize_band_cost_bits(struct AACEncContext *s, const float *in, | |
| 53 | const float *scaled, int size, int scale_idx, | ||
| 54 | int cb, const float lambda, const float uplim, | ||
| 55 | int *bits, float *energy) | ||
| 56 | { | ||
| 57 | int auxbits; | ||
| 58 | 3614834 | ff_quantize_and_encode_band_cost(s, NULL, in, NULL, scaled, size, scale_idx, | |
| 59 | cb, 0.0f, uplim, &auxbits, energy); | ||
| 60 |
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3614834 | if (bits) { |
| 61 | ✗ | *bits = auxbits; | |
| 62 | } | ||
| 63 | 3614834 | return auxbits; | |
| 64 | } | ||
| 65 | |||
| 66 | #include "aacenc_quantization_misc.h" | ||
| 67 | |||
| 68 | #endif /* AVCODEC_AACENC_QUANTIZATION_H */ | ||
| 69 |