| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 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 | |
| 26 | struct 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 |
| 37 | struct 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 | |
| 46 | struct 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 | |
| 56 | struct 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 | |
| 64 | struct 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 | |
| 81 | struct 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 |