[PATCH 2/2] v4l2-ctrls: add generic H.264 decoder codec settings structure
Randy Li
ayaka at soulik.info
Sun Sep 4 13:18:36 PDT 2016
The generic decoder settings for H.264. It is modified from
the VA-API. Adding the extra data required by the Rockchip.
Signed-off-by: Randy Li <ayaka at soulik.info>
---
include/uapi/linux/videodev2.h | 103 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 103 insertions(+)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 904c44c..3dacccc 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -2214,6 +2214,109 @@ struct v4l2_request_cmd {
} raw;
};
};
+
+/* H.264 Codec settings */
+struct v4l2_mpeg_video_h264_picture {
+ __u32 frame_idx;
+ __u32 flags;
+ __s32 top_field_order_cnt;
+ __s32 bottom_field_order_cnt;
+};
+
+struct v4l2_mpeg_video_h264_picture_param {
+ struct v4l2_mpeg_video_h264_picture curr_pic;
+ struct v4l2_mpeg_video_h264_picture reference_frames[16];
+ __u16 picture_width_in_mbs_minus1;
+ __u16 picture_height_in_mbs_minus1;
+ __u8 bit_depth_luma_minus8;
+ __u8 bit_depth_chroma_minus8;
+ __u8 num_ref_frames;
+ union {
+ struct {
+ __u32 chroma_format_idc:2;
+ __u32 residual_colour_transform_flag:1;
+ __u32 gaps_in_frame_num_value_allowed_flag:1;
+ __u32 frame_mbs_only_flag:1;
+ __u32 mb_adaptive_frame_field_flag:1;
+ __u32 direct_8x8_inference_flag:1;
+ __u32 min_luma_bi_pred_size8x8:1;
+ __u32 log2_max_frame_num_minus4:4;
+ __u32 pic_order_cnt_type:2;
+ __u32 log2_max_pic_order_cnt_lsb_minus4:4;
+ __u32 delta_pic_order_always_zero_flag:1;
+ } bits;
+ __u32 value;
+ } seq_fields;
+ __u8 num_slice_groups_minus1;
+ __u8 slice_group_map_type;
+ __u16 slice_group_change_rate_minus1;
+ __s8 pic_init_qp_minus26;
+ __s8 pic_init_qs_minus26;
+ __s8 chroma_qp_index_offset;
+ __s8 second_chroma_qp_index_offset;
+ union {
+ struct {
+ __u32 entropy_coding_mode_flag:1;
+ __u32 weighted_pred_flag:1
+ __u32 weighted_bipred_idc:2;
+ __u32 transform_8x8_mode_flag:1;
+ __u32 field_pic_flag:1;
+ __u32 constrained_intra_pred_flag:1;
+ __u32 pic_order_present_flag:1;
+ __u32 deblocking_filter_control_present_flag:1;
+ __u32 redundant_pic_cnt_present_flag:1;
+ __u32 reference_pic_flag:1;
+ } bits;
+ __u32 value;
+ } pic_fields;
+ __u16 frame_num;
+ /*
+ * Some extra data required by Rockchip, the decoder in RK serial
+ * chip would omit some part of data
+ */
+ struct {
+ __u8 profile;
+ __u8 constraint_set_flags;
+ __u32 pic_order_cnt_bit_size;
+ __u32 dec_ref_pic_marking_bit_size;
+ __u16 idr_pic_id;
+ } extra;
+};
+
+struct v4l2_mpeg_video_h264_slice_param {
+{
+ __u32 slice_data_size;
+ __u32 slice_data_offset;
+ __u32 slice_data_flag;
+ __u16 slice_data_bit_offset;
+ __u16 first_mb_in_slice;
+ __u8 slice_type;
+ __u8 direct_spatial_mv_pred_flag;
+ __u8 num_ref_idx_l0_active_minus1;
+ __u8 num_ref_idx_l1_active_minus1;
+ __u8 cabac_init_idc;
+ __s8 slice_qp_delta;
+ __u8 disable_deblocking_filter_idc;
+ __s8 slice_alpha_c0_offset_div2;
+ __s8 slice_beta_offset_div2;
+ struct v4l2_mpeg_video_h264_picture ref_pic_list0[32];
+ struct v4l2_mpeg_video_h264_picture ref_pic_list1[32];
+ __u8 luma_log2_weight_denom;
+ __u8 chroma_log2_weight_denom;
+ __u8 luma_weight_l0_flag;
+ __s16 luma_weight_l0 [32];
+ __s16 luma_offset_l0 [32];
+ __u8 chroma_weight_l0_flag;
+ __s16 chroma_weight_l0 [32][2];
+ __s16 chroma_offset_l0 [32][2];
+ __u8 luma_weight_l1_flag;
+ __s16 luma_weight_l1 [32];
+ __s16 luma_offset_l1 [32];
+ __u8 chroma_weight_l1_flag;
+ __s16 chroma_weight_l1 [32][2];
+ __s16 chroma_offset_l1 [32][2];
+};
+
/*
* I O C T L C O D E S F O R V I D E O D E V I C E S
*
--
2.7.4
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