1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * These are the VP8 state controls for use with stateless VP8
4 * codec drivers.
5 *
6 * It turns out that these structs are not stable yet and will undergo
7 * more changes. So keep them private until they are stable and ready to
8 * become part of the official public API.
9 */
10
11#ifndef _VP8_CTRLS_H_
12#define _VP8_CTRLS_H_
13
14#include <linux/types.h>
15
16#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F')
17
18#define V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER (V4L2_CID_MPEG_BASE + 2000)
19#define V4L2_CTRL_TYPE_VP8_FRAME_HEADER 0x301
20
21#define V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED              0x01
22#define V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP           0x02
23#define V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_FEATURE_DATA  0x04
24#define V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE     0x08
25
26struct v4l2_vp8_segment_header {
27	__s8 quant_update[4];
28	__s8 lf_update[4];
29	__u8 segment_probs[3];
30	__u8 padding;
31	__u32 flags;
32};
33
34#define V4L2_VP8_LF_HEADER_ADJ_ENABLE	0x01
35#define V4L2_VP8_LF_HEADER_DELTA_UPDATE	0x02
36#define V4L2_VP8_LF_FILTER_TYPE_SIMPLE	0x04
37struct v4l2_vp8_loopfilter_header {
38	__s8 ref_frm_delta[4];
39	__s8 mb_mode_delta[4];
40	__u8 sharpness_level;
41	__u8 level;
42	__u16 padding;
43	__u32 flags;
44};
45
46struct v4l2_vp8_quantization_header {
47	__u8 y_ac_qi;
48	__s8 y_dc_delta;
49	__s8 y2_dc_delta;
50	__s8 y2_ac_delta;
51	__s8 uv_dc_delta;
52	__s8 uv_ac_delta;
53	__u16 padding;
54};
55
56struct v4l2_vp8_entropy_header {
57	__u8 coeff_probs[4][8][3][11];
58	__u8 y_mode_probs[4];
59	__u8 uv_mode_probs[3];
60	__u8 mv_probs[2][19];
61	__u8 padding[3];
62};
63
64struct v4l2_vp8_entropy_coder_state {
65	__u8 range;
66	__u8 value;
67	__u8 bit_count;
68	__u8 padding;
69};
70
71#define V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME		0x01
72#define V4L2_VP8_FRAME_HEADER_FLAG_EXPERIMENTAL		0x02
73#define V4L2_VP8_FRAME_HEADER_FLAG_SHOW_FRAME		0x04
74#define V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF	0x08
75#define V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN	0x10
76#define V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT	0x20
77
78#define VP8_FRAME_IS_KEY_FRAME(hdr) \
79	(!!((hdr)->flags & V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME))
80
81struct v4l2_ctrl_vp8_frame_header {
82	struct v4l2_vp8_segment_header segment_header;
83	struct v4l2_vp8_loopfilter_header lf_header;
84	struct v4l2_vp8_quantization_header quant_header;
85	struct v4l2_vp8_entropy_header entropy_header;
86	struct v4l2_vp8_entropy_coder_state coder_state;
87
88	__u16 width;
89	__u16 height;
90
91	__u8 horizontal_scale;
92	__u8 vertical_scale;
93
94	__u8 version;
95	__u8 prob_skip_false;
96	__u8 prob_intra;
97	__u8 prob_last;
98	__u8 prob_gf;
99	__u8 num_dct_parts;
100
101	__u32 first_part_size;
102	__u32 first_part_header_bits;
103	__u32 dct_part_sizes[8];
104
105	__u64 last_frame_ts;
106	__u64 golden_frame_ts;
107	__u64 alt_frame_ts;
108
109	__u64 flags;
110};
111
112#endif
113