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 113