1 | /* SPDX-License-Identifier: LGPL-2.1 */ |
2 | /* |
3 | * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved. |
4 | */ |
5 | |
6 | #ifndef CODEC_V4L2_FWHT_H |
7 | #define CODEC_V4L2_FWHT_H |
8 | |
9 | #include "codec-fwht.h" |
10 | |
11 | struct v4l2_fwht_pixfmt_info { |
12 | u32 id; |
13 | unsigned int bytesperline_mult; |
14 | unsigned int sizeimage_mult; |
15 | unsigned int sizeimage_div; |
16 | unsigned int luma_alpha_step; |
17 | unsigned int chroma_step; |
18 | /* Chroma plane subsampling */ |
19 | unsigned int width_div; |
20 | unsigned int height_div; |
21 | unsigned int components_num; |
22 | unsigned int planes_num; |
23 | unsigned int pixenc; |
24 | }; |
25 | |
26 | struct v4l2_fwht_state { |
27 | const struct v4l2_fwht_pixfmt_info *info; |
28 | unsigned int visible_width; |
29 | unsigned int visible_height; |
30 | unsigned int coded_width; |
31 | unsigned int coded_height; |
32 | unsigned int stride; |
33 | unsigned int ref_stride; |
34 | unsigned int gop_size; |
35 | unsigned int gop_cnt; |
36 | u16 i_frame_qp; |
37 | u16 p_frame_qp; |
38 | |
39 | enum v4l2_colorspace colorspace; |
40 | enum v4l2_ycbcr_encoding ycbcr_enc; |
41 | enum v4l2_xfer_func xfer_func; |
42 | enum v4l2_quantization quantization; |
43 | |
44 | struct fwht_raw_frame ref_frame; |
45 | struct fwht_cframe_hdr ; |
46 | u8 *compressed_frame; |
47 | u64 ref_frame_ts; |
48 | }; |
49 | |
50 | const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat); |
51 | const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx); |
52 | bool v4l2_fwht_validate_fmt(const struct v4l2_fwht_pixfmt_info *info, |
53 | u32 width_div, u32 height_div, u32 components_num, |
54 | u32 pixenc); |
55 | const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_nth_fmt(u32 width_div, |
56 | u32 height_div, |
57 | u32 components_num, |
58 | u32 pixenc, |
59 | unsigned int start_idx); |
60 | |
61 | int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out); |
62 | int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out); |
63 | |
64 | #endif |
65 | |