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So keep them private until they are stable and ready to * become part of the official public API. */ #ifndef _H264_CTRLS_H_ #define _H264_CTRLS_H_ #include /* Our pixel format isn't stable at the moment */ #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ /* * This is put insanely high to avoid conflicting with controls that * would be added during the phase where those controls are not * stable. It should be fixed eventually. */ #define V4L2_CID_MPEG_VIDEO_H264_SPS (V4L2_CID_MPEG_BASE+1000) #define V4L2_CID_MPEG_VIDEO_H264_PPS (V4L2_CID_MPEG_BASE+1001) #define V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX (V4L2_CID_MPEG_BASE+1002) #define V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS (V4L2_CID_MPEG_BASE+1003) #define V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS (V4L2_CID_MPEG_BASE+1004) #define V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE (V4L2_CID_MPEG_BASE+1005) #define V4L2_CID_MPEG_VIDEO_H264_START_CODE (V4L2_CID_MPEG_BASE+1006) /* enum v4l2_ctrl_type type values */ #define V4L2_CTRL_TYPE_H264_SPS 0x0110 #define V4L2_CTRL_TYPE_H264_PPS 0x0111 #define V4L2_CTRL_TYPE_H264_SCALING_MATRIX 0x0112 #define V4L2_CTRL_TYPE_H264_SLICE_PARAMS 0x0113 #define V4L2_CTRL_TYPE_H264_DECODE_PARAMS 0x0114 enum v4l2_mpeg_video_h264_decode_mode { V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED, V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED, }; enum v4l2_mpeg_video_h264_start_code { V4L2_MPEG_VIDEO_H264_START_CODE_NONE, V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B, }; #define V4L2_H264_SPS_CONSTRAINT_SET0_FLAG 0x01 #define V4L2_H264_SPS_CONSTRAINT_SET1_FLAG 0x02 #define V4L2_H264_SPS_CONSTRAINT_SET2_FLAG 0x04 #define V4L2_H264_SPS_CONSTRAINT_SET3_FLAG 0x08 #define V4L2_H264_SPS_CONSTRAINT_SET4_FLAG 0x10 #define V4L2_H264_SPS_CONSTRAINT_SET5_FLAG 0x20 #define V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE 0x01 #define V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS 0x02 #define V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO 0x04 #define V4L2_H264_SPS_FLAG_GAPS_IN_FRAME_NUM_VALUE_ALLOWED 0x08 #define V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY 0x10 #define V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD 0x20 #define V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE 0x40 struct v4l2_ctrl_h264_sps { __u8 profile_idc; __u8 constraint_set_flags; __u8 level_idc; __u8 seq_parameter_set_id; __u8 chroma_format_idc; __u8 bit_depth_luma_minus8; __u8 bit_depth_chroma_minus8; __u8 log2_max_frame_num_minus4; __u8 pic_order_cnt_type; __u8 log2_max_pic_order_cnt_lsb_minus4; __u8 max_num_ref_frames; __u8 num_ref_frames_in_pic_order_cnt_cycle; __s32 offset_for_ref_frame[255]; __s32 offset_for_non_ref_pic; __s32 offset_for_top_to_bottom_field; __u16 pic_width_in_mbs_minus1; __u16 pic_height_in_map_units_minus1; __u32 flags; }; #define V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE 0x0001 #define V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT 0x0002 #define V4L2_H264_PPS_FLAG_WEIGHTED_PRED 0x0004 #define V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT 0x0008 #define V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED 0x0010 #define V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT 0x0020 #define V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE 0x0040 #define V4L2_H264_PPS_FLAG_PIC_SCALING_MATRIX_PRESENT 0x0080 struct v4l2_ctrl_h264_pps { __u8 pic_parameter_set_id; __u8 seq_parameter_set_id; __u8 num_slice_groups_minus1; __u8 num_ref_idx_l0_default_active_minus1; __u8 num_ref_idx_l1_default_active_minus1; __u8 weighted_bipred_idc; __s8 pic_init_qp_minus26; __s8 pic_init_qs_minus26; __s8 chroma_qp_index_offset; __s8 second_chroma_qp_index_offset; __u16 flags; }; struct v4l2_ctrl_h264_scaling_matrix { __u8 scaling_list_4x4[6][16]; __u8 scaling_list_8x8[6][64]; }; struct v4l2_h264_weight_factors { __s16 luma_weight[32]; __s16 luma_offset[32]; __s16 chroma_weight[32][2]; __s16 chroma_offset[32][2]; }; struct v4l2_h264_pred_weight_table { __u16 luma_log2_weight_denom; __u16 chroma_log2_weight_denom; struct v4l2_h264_weight_factors weight_factors[2]; }; #define V4L2_H264_SLICE_TYPE_P 0 #define V4L2_H264_SLICE_TYPE_B 1 #define V4L2_H264_SLICE_TYPE_I 2 #define V4L2_H264_SLICE_TYPE_SP 3 #define V4L2_H264_SLICE_TYPE_SI 4 #define V4L2_H264_SLICE_FLAG_FIELD_PIC 0x01 #define V4L2_H264_SLICE_FLAG_BOTTOM_FIELD 0x02 #define V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED 0x04 #define V4L2_H264_SLICE_FLAG_SP_FOR_SWITCH 0x08 struct v4l2_ctrl_h264_slice_params { /* Size in bytes, including header */ __u32 size; /* Offset in bytes to the start of slice in the OUTPUT buffer. */ __u32 start_byte_offset; /* Offset in bits to slice_data() from the beginning of this slice. */ __u32 header_bit_size; __u16 first_mb_in_slice; __u8 slice_type; __u8 pic_parameter_set_id; __u8 colour_plane_id; __u8 redundant_pic_cnt; __u16 frame_num; __u16 idr_pic_id; __u16 pic_order_cnt_lsb; __s32 delta_pic_order_cnt_bottom; __s32 delta_pic_order_cnt0; __s32 delta_pic_order_cnt1; struct v4l2_h264_pred_weight_table pred_weight_table; /* Size in bits of dec_ref_pic_marking() syntax element. */ __u32 dec_ref_pic_marking_bit_size; /* Size in bits of pic order count syntax. */ __u32 pic_order_cnt_bit_size; __u8 cabac_init_idc; __s8 slice_qp_delta; __s8 slice_qs_delta; __u8 disable_deblocking_filter_idc; __s8 slice_alpha_c0_offset_div2; __s8 slice_beta_offset_div2; __u8 num_ref_idx_l0_active_minus1; __u8 num_ref_idx_l1_active_minus1; __u32 slice_group_change_cycle; /* * Entries on each list are indices into * v4l2_ctrl_h264_decode_params.dpb[]. */ __u8 ref_pic_list0[32]; __u8 ref_pic_list1[32]; __u32 flags; }; #define V4L2_H264_DPB_ENTRY_FLAG_VALID 0x01 #define V4L2_H264_DPB_ENTRY_FLAG_ACTIVE 0x02 #define V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM 0x04 struct v4l2_h264_dpb_entry { __u64 reference_ts; __u16 frame_num; __u16 pic_num; /* Note that field is indicated by v4l2_buffer.field */ __s32 top_field_order_cnt; __s32 bottom_field_order_cnt; __u32 flags; /* V4L2_H264_DPB_ENTRY_FLAG_* */ }; #define V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC 0x01 struct v4l2_ctrl_h264_decode_params { struct v4l2_h264_dpb_entry dpb[16]; __u16 num_slices; __u16 nal_ref_idc; __s32 top_field_order_cnt; __s32 bottom_field_order_cnt; __u32 flags; /* V4L2_H264_DECODE_PARAM_FLAG_* */ }; #endif