*/
#define V4L2_H264_NUM_DPB_ENTRIES 16
+#define V4L2_H264_REF_LIST_LEN (2 * V4L2_H264_NUM_DPB_ENTRIES)
+
/* Our pixel format isn't stable at the moment */
#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
#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)
+#define V4L2_CID_MPEG_VIDEO_H264_PRED_WEIGHTS (V4L2_CID_MPEG_BASE+1007)
/* enum v4l2_ctrl_type type values */
#define V4L2_CTRL_TYPE_H264_SPS 0x0110
#define V4L2_CTRL_TYPE_H264_SCALING_MATRIX 0x0112
#define V4L2_CTRL_TYPE_H264_SLICE_PARAMS 0x0113
#define V4L2_CTRL_TYPE_H264_DECODE_PARAMS 0x0114
+#define V4L2_CTRL_TYPE_H264_PRED_WEIGHTS 0x0115
enum v4l2_mpeg_video_h264_decode_mode {
V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED,
#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
+#define V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT 0x0080
struct v4l2_ctrl_h264_pps {
__u8 pic_parameter_set_id;
__s16 chroma_offset[32][2];
};
-struct v4l2_h264_pred_weight_table {
+#define V4L2_H264_CTRL_PRED_WEIGHTS_REQUIRED(pps, slice) \
+ ((((pps)->flags & V4L2_H264_PPS_FLAG_WEIGHTED_PRED) && \
+ ((slice)->slice_type == V4L2_H264_SLICE_TYPE_P || \
+ (slice)->slice_type == V4L2_H264_SLICE_TYPE_SP)) || \
+ ((pps)->weighted_bipred_idc == 1 && \
+ (slice)->slice_type == V4L2_H264_SLICE_TYPE_B))
+
+struct v4l2_ctrl_h264_pred_weights {
__u16 luma_log2_weight_denom;
__u16 chroma_log2_weight_denom;
struct v4l2_h264_weight_factors weight_factors[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
+#define V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED 0x01
+#define V4L2_H264_SLICE_FLAG_SP_FOR_SWITCH 0x02
-struct v4l2_ctrl_h264_slice_params {
- /* Size in bytes, including header */
- __u32 size;
+#define V4L2_H264_TOP_FIELD_REF 0x1
+#define V4L2_H264_BOTTOM_FIELD_REF 0x2
+#define V4L2_H264_FRAME_REF 0x3
- /* Offset in bytes to the start of slice in the OUTPUT buffer. */
- __u32 start_byte_offset;
+struct v4l2_h264_reference {
+ __u8 fields;
+
+ /* Index into v4l2_ctrl_h264_decode_params.dpb[] */
+ __u8 index;
+};
+struct v4l2_ctrl_h264_slice_params {
/* Offset in bits to slice_data() from the beginning of this slice. */
__u32 header_bit_size;
- __u16 first_mb_in_slice;
+ __u32 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;
__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];
+ __u8 reserved;
+
+ struct v4l2_h264_reference ref_pic_list0[V4L2_H264_REF_LIST_LEN];
+ struct v4l2_h264_reference ref_pic_list1[V4L2_H264_REF_LIST_LEN];
__u32 flags;
};
#define V4L2_H264_DPB_ENTRY_FLAG_ACTIVE 0x02
#define V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM 0x04
#define V4L2_H264_DPB_ENTRY_FLAG_FIELD 0x08
-#define V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD 0x10
struct v4l2_h264_dpb_entry {
__u64 reference_ts;
+ __u32 pic_num;
__u16 frame_num;
- __u16 pic_num;
+ __u8 fields;
+ __u8 reserved[5];
/* 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
+#define V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC 0x01
+#define V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC 0x02
+#define V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD 0x04
struct v4l2_ctrl_h264_decode_params {
struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES];
- __u16 num_slices;
__u16 nal_ref_idc;
+ __u16 frame_num;
__s32 top_field_order_cnt;
__s32 bottom_field_order_cnt;
+ __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;
+ /* 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;
+ __u32 slice_group_change_cycle;
+
+ __u32 reserved;
__u32 flags; /* V4L2_H264_DECODE_PARAM_FLAG_* */
};
projects / linux-2.6-microblaze.git / blobdiff