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
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 {
38 entry = &
s->quantize_band_cost_cache[scale_idx][
w*16+
g];
39 if (entry->
generation !=
s->quantize_band_cost_cache_generation || entry->
cb !=
cb || entry->
rtz != rtz) {
44 entry->
generation =
s->quantize_band_cost_cache_generation;
45 }
48 if (energy)
51 }
52
53 #endif /* AVCODEC_AACENC_QUANTIZATION_MISC_H */