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usr
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linux-headers-5.4.0-216
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include
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media
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Filename :
mpeg2-ctrls.h
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/* 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