| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * These are the MPEG2 state controls for use with stateless MPEG-2 | |
| * codec drivers. | |
| * | |
| * It turns out that these structs are not stable yet and will undergo | |
| * more changes. So keep them private until they are stable and ready to | |
| * become part of the official public API. | |
| */ | |
| #ifndef _MPEG2_CTRLS_H_ | |
| #define _MPEG2_CTRLS_H_ | |
| #define V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS (V4L2_CID_MPEG_BASE+250) | |
| #define V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION (V4L2_CID_MPEG_BASE+251) | |
| /* enum v4l2_ctrl_type type values */ | |
| #define V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS 0x0103 | |
| #define V4L2_CTRL_TYPE_MPEG2_QUANTIZATION 0x0104 | |
| #define V4L2_MPEG2_PICTURE_CODING_TYPE_I 1 | |
| #define V4L2_MPEG2_PICTURE_CODING_TYPE_P 2 | |
| #define V4L2_MPEG2_PICTURE_CODING_TYPE_B 3 | |
| #define V4L2_MPEG2_PICTURE_CODING_TYPE_D 4 | |
| struct v4l2_mpeg2_sequence { | |
| /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence header */ | |
| __u16 horizontal_size; | |
| __u16 vertical_size; | |
| __u32 vbv_buffer_size; | |
| /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence extension */ | |
| __u16 profile_and_level_indication; | |
| __u8 progressive_sequence; | |
| __u8 chroma_format; | |
| }; | |
| struct v4l2_mpeg2_picture { | |
| /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture header */ | |
| __u8 picture_coding_type; | |
| /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture coding extension */ | |
| __u8 f_code[2][2]; | |
| __u8 intra_dc_precision; | |
| __u8 picture_structure; | |
| __u8 top_field_first; | |
| __u8 frame_pred_frame_dct; | |
| __u8 concealment_motion_vectors; | |
| __u8 q_scale_type; | |
| __u8 intra_vlc_format; | |
| __u8 alternate_scan; | |
| __u8 repeat_first_field; | |
| __u16 progressive_frame; | |
| }; | |
| struct v4l2_ctrl_mpeg2_slice_params { | |
| __u32 bit_size; | |
| __u32 data_bit_offset; | |
| __u64 backward_ref_ts; | |
| __u64 forward_ref_ts; | |
| struct v4l2_mpeg2_sequence sequence; | |
| struct v4l2_mpeg2_picture picture; | |
| /* ISO/IEC 13818-2, ITU-T Rec. H.262: Slice */ | |
| __u32 quantiser_scale_code; | |
| }; | |
| struct v4l2_ctrl_mpeg2_quantization { | |
| /* ISO/IEC 13818-2, ITU-T Rec. H.262: Quant matrix extension */ | |
| __u8 load_intra_quantiser_matrix; | |
| __u8 load_non_intra_quantiser_matrix; | |
| __u8 load_chroma_intra_quantiser_matrix; | |
| __u8 load_chroma_non_intra_quantiser_matrix; | |
| __u8 intra_quantiser_matrix[64]; | |
| __u8 non_intra_quantiser_matrix[64]; | |
| __u8 chroma_intra_quantiser_matrix[64]; | |
| __u8 chroma_non_intra_quantiser_matrix[64]; | |
| }; | |
| #endif |