1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * These are the MPEG2 state controls for use with stateless MPEG-2 4*4882a593Smuzhiyun * codec drivers. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * It turns out that these structs are not stable yet and will undergo 7*4882a593Smuzhiyun * more changes. So keep them private until they are stable and ready to 8*4882a593Smuzhiyun * become part of the official public API. 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef _MPEG2_CTRLS_H_ 12*4882a593Smuzhiyun #define _MPEG2_CTRLS_H_ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS (V4L2_CID_MPEG_BASE+250) 15*4882a593Smuzhiyun #define V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION (V4L2_CID_MPEG_BASE+251) 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* enum v4l2_ctrl_type type values */ 18*4882a593Smuzhiyun #define V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS 0x0103 19*4882a593Smuzhiyun #define V4L2_CTRL_TYPE_MPEG2_QUANTIZATION 0x0104 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define V4L2_MPEG2_PICTURE_CODING_TYPE_I 1 22*4882a593Smuzhiyun #define V4L2_MPEG2_PICTURE_CODING_TYPE_P 2 23*4882a593Smuzhiyun #define V4L2_MPEG2_PICTURE_CODING_TYPE_B 3 24*4882a593Smuzhiyun #define V4L2_MPEG2_PICTURE_CODING_TYPE_D 4 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct v4l2_mpeg2_sequence { 27*4882a593Smuzhiyun /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence header */ 28*4882a593Smuzhiyun __u16 horizontal_size; 29*4882a593Smuzhiyun __u16 vertical_size; 30*4882a593Smuzhiyun __u32 vbv_buffer_size; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence extension */ 33*4882a593Smuzhiyun __u16 profile_and_level_indication; 34*4882a593Smuzhiyun __u8 progressive_sequence; 35*4882a593Smuzhiyun __u8 chroma_format; 36*4882a593Smuzhiyun }; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun struct v4l2_mpeg2_picture { 39*4882a593Smuzhiyun /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture header */ 40*4882a593Smuzhiyun __u8 picture_coding_type; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture coding extension */ 43*4882a593Smuzhiyun __u8 f_code[2][2]; 44*4882a593Smuzhiyun __u8 intra_dc_precision; 45*4882a593Smuzhiyun __u8 picture_structure; 46*4882a593Smuzhiyun __u8 top_field_first; 47*4882a593Smuzhiyun __u8 frame_pred_frame_dct; 48*4882a593Smuzhiyun __u8 concealment_motion_vectors; 49*4882a593Smuzhiyun __u8 q_scale_type; 50*4882a593Smuzhiyun __u8 intra_vlc_format; 51*4882a593Smuzhiyun __u8 alternate_scan; 52*4882a593Smuzhiyun __u8 repeat_first_field; 53*4882a593Smuzhiyun __u16 progressive_frame; 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun struct v4l2_ctrl_mpeg2_slice_params { 57*4882a593Smuzhiyun __u32 bit_size; 58*4882a593Smuzhiyun __u32 data_bit_offset; 59*4882a593Smuzhiyun __u64 backward_ref_ts; 60*4882a593Smuzhiyun __u64 forward_ref_ts; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun struct v4l2_mpeg2_sequence sequence; 63*4882a593Smuzhiyun struct v4l2_mpeg2_picture picture; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun /* ISO/IEC 13818-2, ITU-T Rec. H.262: Slice */ 66*4882a593Smuzhiyun __u32 quantiser_scale_code; 67*4882a593Smuzhiyun }; 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun struct v4l2_ctrl_mpeg2_quantization { 70*4882a593Smuzhiyun /* ISO/IEC 13818-2, ITU-T Rec. H.262: Quant matrix extension */ 71*4882a593Smuzhiyun __u8 load_intra_quantiser_matrix; 72*4882a593Smuzhiyun __u8 load_non_intra_quantiser_matrix; 73*4882a593Smuzhiyun __u8 load_chroma_intra_quantiser_matrix; 74*4882a593Smuzhiyun __u8 load_chroma_non_intra_quantiser_matrix; 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun __u8 intra_quantiser_matrix[64]; 77*4882a593Smuzhiyun __u8 non_intra_quantiser_matrix[64]; 78*4882a593Smuzhiyun __u8 chroma_intra_quantiser_matrix[64]; 79*4882a593Smuzhiyun __u8 chroma_non_intra_quantiser_matrix[64]; 80*4882a593Smuzhiyun }; 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun #endif 83