/src/ffmpeg/libavcodec/aacenc_quantization.h
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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 | | 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 | 0 | { |
48 | 0 | return ff_quantize_and_encode_band_cost(s, NULL, in, NULL, scaled, size, scale_idx, |
49 | 0 | cb, lambda, uplim, bits, energy); |
50 | 0 | } Unexecuted instantiation: aaccoder.c:quantize_band_cost Unexecuted instantiation: aacenc_is.c:quantize_band_cost |
51 | | |
52 | | 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 | 0 | { |
57 | 0 | int auxbits; |
58 | 0 | ff_quantize_and_encode_band_cost(s, NULL, in, NULL, scaled, size, scale_idx, |
59 | 0 | cb, 0.0f, uplim, &auxbits, energy); |
60 | 0 | if (bits) { |
61 | 0 | *bits = auxbits; |
62 | 0 | } |
63 | 0 | return auxbits; |
64 | 0 | } Unexecuted instantiation: aaccoder.c:quantize_band_cost_bits Unexecuted instantiation: aacenc_is.c:quantize_band_cost_bits |
65 | | |
66 | | #include "aacenc_quantization_misc.h" |
67 | | |
68 | | #endif /* AVCODEC_AACENC_QUANTIZATION_H */ |