| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * AAC encoder quantization | ||
| 3 | * Copyright (C) 2015 Claudio Freire | ||
| 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 quantization misc reusable function templates | ||
| 25 | * @author Claudio Freire ( klaussfreire gmail com ) | ||
| 26 | */ | ||
| 27 | |||
| 28 | #ifndef AVCODEC_AACENC_QUANTIZATION_MISC_H | ||
| 29 | #define AVCODEC_AACENC_QUANTIZATION_MISC_H | ||
| 30 | |||
| 31 | 9118711 | static inline float quantize_band_cost_cached(struct AACEncContext *s, int w, int g, const float *in, | |
| 32 | const float *scaled, int size, int scale_idx, | ||
| 33 | int cb, const float lambda, const float uplim, | ||
| 34 | int *bits, float *energy, int rtz) | ||
| 35 | { | ||
| 36 | AACQuantizeBandCostCacheEntry *entry; | ||
| 37 | av_assert1(scale_idx >= 0 && scale_idx < 256); | ||
| 38 | 9118711 | entry = &s->quantize_band_cost_cache[scale_idx][w*16+g]; | |
| 39 |
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9118711 | if (entry->generation != s->quantize_band_cost_cache_generation || entry->cb != cb || entry->rtz != rtz) { |
| 40 | 4934331 | entry->rd = quantize_band_cost(s, in, scaled, size, scale_idx, | |
| 41 | cb, lambda, uplim, &entry->bits, &entry->energy); | ||
| 42 | 4934331 | entry->cb = cb; | |
| 43 | 4934331 | entry->rtz = rtz; | |
| 44 | 4934331 | entry->generation = s->quantize_band_cost_cache_generation; | |
| 45 | } | ||
| 46 |
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9118711 | if (bits) |
| 47 | 9118711 | *bits = entry->bits; | |
| 48 |
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9118711 | if (energy) |
| 49 | 4693123 | *energy = entry->energy; | |
| 50 | 9118711 | return entry->rd; | |
| 51 | } | ||
| 52 | |||
| 53 | #endif /* AVCODEC_AACENC_QUANTIZATION_MISC_H */ | ||
| 54 |