hevc: Add names for reserved NAL unit types
[libav.git] / libavcodec / fmtconvert.h
1 /*
2 * Format Conversion Utils
3 * Copyright (c) 2000, 2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5 *
6 * This file is part of Libav.
7 *
8 * Libav is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * Libav is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #ifndef AVCODEC_FMTCONVERT_H
24 #define AVCODEC_FMTCONVERT_H
25
26 #include "avcodec.h"
27
28 typedef struct FmtConvertContext {
29 /**
30 * Convert an array of int32_t to float and multiply by a float value.
31 * @param dst destination array of float.
32 * constraints: 16-byte aligned
33 * @param src source array of int32_t.
34 * constraints: 16-byte aligned
35 * @param len number of elements to convert.
36 * constraints: multiple of 8
37 */
38 void (*int32_to_float_fmul_scalar)(float *dst, const int32_t *src,
39 float mul, int len);
40 /**
41 * Convert an array of int32_t to float.
42 * @param dst destination array of float.
43 * constraints: 32-byte aligned
44 * @param src source array of int32_t.
45 * constraints: 32-byte aligned
46 * @param len number of elements to convert.
47 * constraints: multiple of 8
48 */
49 void (*int32_to_float)(float *dst, const int32_t *src, intptr_t len);
50
51 /**
52 * Convert an array of int32_t to float and multiply by a float value from another array,
53 * stepping along the float array once for each 8 integers.
54 * @param c pointer to FmtConvertContext.
55 * @param dst destination array of float.
56 * constraints: 16-byte aligned
57 * @param src source array of int32_t.
58 * constraints: 16-byte aligned
59 * @param mul source array of float multipliers.
60 * @param len number of elements to convert.
61 * constraints: multiple of 8
62 */
63 void (*int32_to_float_fmul_array8)(struct FmtConvertContext *c,
64 float *dst, const int32_t *src,
65 const float *mul, int len);
66
67 } FmtConvertContext;
68
69 void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx);
70
71 void ff_fmt_convert_init_aarch64(FmtConvertContext *c, AVCodecContext *avctx);
72 void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx);
73 void ff_fmt_convert_init_ppc(FmtConvertContext *c, AVCodecContext *avctx);
74 void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx);
75
76 #endif /* AVCODEC_FMTCONVERT_H */