blob: f8c6e13adb9b4704b332c6f980be39d821519da7
1 | /* |
2 | * This file is part of FFmpeg. |
3 | * |
4 | * FFmpeg is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU Lesser General Public |
6 | * License as published by the Free Software Foundation; either |
7 | * version 2.1 of the License, or (at your option) any later version. |
8 | * |
9 | * FFmpeg is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with FFmpeg; if not, write to the Free Software |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 | */ |
18 | |
19 | #ifndef AVCODEC_VAAPI_ENCODE_H26X_H |
20 | #define AVCODEC_VAAPI_ENCODE_H26X_H |
21 | |
22 | #include <stddef.h> |
23 | #include <stdint.h> |
24 | |
25 | #include "golomb.h" |
26 | #include "put_bits.h" |
27 | |
28 | |
29 | // Debug code may be interested in the name of the syntax element being |
30 | // for tracing purposes. Here, it is just discarded. |
31 | |
32 | #define write_u(pbc, width, value, name) put_bits(pbc, width, value) |
33 | #define write_ue(pbc, value, name) set_ue_golomb(pbc, value) |
34 | #define write_se(pbc, value, name) set_se_golomb(pbc, value) |
35 | |
36 | #define u(width, ...) write_u(pbc, width, __VA_ARGS__) |
37 | #define ue(...) write_ue(pbc, __VA_ARGS__) |
38 | #define se(...) write_se(pbc, __VA_ARGS__) |
39 | |
40 | |
41 | // Copy from src to dst, applying emulation prevention. |
42 | int ff_vaapi_encode_h26x_nal_unit_to_byte_stream(uint8_t *dst, size_t *dst_len, |
43 | uint8_t *src, size_t src_len); |
44 | |
45 | #endif /* AVCODEC_VAAPI_ENCODE_H26X_H */ |
46 |