/src/ffmpeg/libavcodec/aacenc_quantization_misc.h
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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 | | 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 | 0 | { |
36 | 0 | AACQuantizeBandCostCacheEntry *entry; |
37 | 0 | av_assert1(scale_idx >= 0 && scale_idx < 256); |
38 | 0 | entry = &s->quantize_band_cost_cache[scale_idx][w*16+g]; |
39 | 0 | if (entry->generation != s->quantize_band_cost_cache_generation || entry->cb != cb || entry->rtz != rtz) { |
40 | 0 | entry->rd = quantize_band_cost(s, in, scaled, size, scale_idx, |
41 | 0 | cb, lambda, uplim, &entry->bits, &entry->energy); |
42 | 0 | entry->cb = cb; |
43 | 0 | entry->rtz = rtz; |
44 | 0 | entry->generation = s->quantize_band_cost_cache_generation; |
45 | 0 | } |
46 | 0 | if (bits) |
47 | 0 | *bits = entry->bits; |
48 | 0 | if (energy) |
49 | 0 | *energy = entry->energy; |
50 | 0 | return entry->rd; |
51 | 0 | } Unexecuted instantiation: aaccoder.c:quantize_band_cost_cached Unexecuted instantiation: aacenc_is.c:quantize_band_cost_cached Unexecuted instantiation: aacenc_ltp.c:quantize_band_cost_cached Unexecuted instantiation: aacenc_pred.c:quantize_band_cost_cached |
52 | | |
53 | | #endif /* AVCODEC_AACENC_QUANTIZATION_MISC_H */ |