From d6b1e0763c3351b3a391b27f0264a9cb74cd5fc3 Mon Sep 17 00:00:00 2001 From: Pawel Osciak Date: Sat, 13 Sep 2014 15:04:47 +0900 Subject: [PATCH] CHROMIUM: v4l: Add H264 low-level decoder API compound controls. Signed-off-by: Pawel Osciak Reviewed-on: https://chromium-review.googlesource.com/237616 Reviewed-by: Wu-cheng Li Commit-Queue: Tomasz Figa Tested-by: Tomasz Figa [rebase44(groeck): include linux/types.h in v4l2-controls.h] Signed-off-by: Guenter Roeck Change-Id: Iee08205ff3b9a54c6561e385acae8182acc73393 Signed-off-by: Jeffy Chen Signed-off-by: Yakir Yang --- drivers/media/v4l2-core/v4l2-ctrls.c | 42 +++++++ include/media/v4l2-ctrls.h | 10 ++ include/uapi/linux/v4l2-controls.h | 157 +++++++++++++++++++++++++++ include/uapi/linux/videodev2.h | 11 ++ 4 files changed, 220 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 4a712bc853e6..2d55ae68d944 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -729,6 +729,11 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER:return "H264 Number of HC Layers"; case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP: return "H264 Set QP Value for HC Layers"; + case V4L2_CID_MPEG_VIDEO_H264_SPS: return "H264 SPS"; + case V4L2_CID_MPEG_VIDEO_H264_PPS: return "H264 PPS"; + case V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX: return "H264 Scaling Matrix"; + case V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAM: return "H264 Slice Parameters"; + case V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAM: return "H264 Decode Parameters"; case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP: return "MPEG4 I-Frame QP Value"; case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP: return "MPEG4 P-Frame QP Value"; case V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP: return "MPEG4 B-Frame QP Value"; @@ -1126,6 +1131,21 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_RDS_TX_ALT_FREQS: *type = V4L2_CTRL_TYPE_U32; break; + case V4L2_CID_MPEG_VIDEO_H264_SPS: + *type = V4L2_CTRL_TYPE_H264_SPS; + break; + case V4L2_CID_MPEG_VIDEO_H264_PPS: + *type = V4L2_CTRL_TYPE_H264_PPS; + break; + case V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX: + *type = V4L2_CTRL_TYPE_H264_SCALING_MATRIX; + break; + case V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAM: + *type = V4L2_CTRL_TYPE_H264_SLICE_PARAM; + break; + case V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAM: + *type = V4L2_CTRL_TYPE_H264_DECODE_PARAM; + break; default: *type = V4L2_CTRL_TYPE_INTEGER; break; @@ -1439,6 +1459,13 @@ static int std_validate(const struct v4l2_ctrl *ctrl, u32 idx, case V4L2_CTRL_TYPE_PRIVATE: return 0; + case V4L2_CTRL_TYPE_H264_SPS: + case V4L2_CTRL_TYPE_H264_PPS: + case V4L2_CTRL_TYPE_H264_SCALING_MATRIX: + case V4L2_CTRL_TYPE_H264_SLICE_PARAM: + case V4L2_CTRL_TYPE_H264_DECODE_PARAM: + return 0; + default: return -EINVAL; } @@ -1988,6 +2015,21 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, case V4L2_CTRL_TYPE_U32: elem_size = sizeof(u32); break; + case V4L2_CTRL_TYPE_H264_SPS: + elem_size = sizeof(struct v4l2_ctrl_h264_sps); + break; + case V4L2_CTRL_TYPE_H264_PPS: + elem_size = sizeof(struct v4l2_ctrl_h264_pps); + break; + case V4L2_CTRL_TYPE_H264_SCALING_MATRIX: + elem_size = sizeof(struct v4l2_ctrl_h264_scaling_matrix); + break; + case V4L2_CTRL_TYPE_H264_SLICE_PARAM: + elem_size = sizeof(struct v4l2_ctrl_h264_slice_param); + break; + case V4L2_CTRL_TYPE_H264_DECODE_PARAM: + elem_size = sizeof(struct v4l2_ctrl_h264_decode_param); + break; default: if (type < V4L2_CTRL_COMPOUND_TYPES) elem_size = sizeof(s32); diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index c291dcb1bc62..a42a401ee71d 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -44,6 +44,11 @@ struct poll_table_struct; * @p_u16: Pointer to a 16-bit unsigned value. * @p_u32: Pointer to a 32-bit unsigned value. * @p_char: Pointer to a string. + * @p_h264_sps: Pointer to a struct v4l2_ctrl_h264_sps. + * @p_h264_pps: Pointer to a struct v4l2_ctrl_h264_pps. + * @p_h264_scal_mtrx: Pointer to a struct v4l2_ctrl_h264_scaling_matrix. + * @p_h264_slice_param: Pointer to a struct v4l2_ctrl_h264_slice_param. + * @p_h264_decode_param: Pointer to a struct v4l2_ctrl_h264_decode_param. * @p: Pointer to a compound value. */ union v4l2_ctrl_ptr { @@ -53,6 +58,11 @@ union v4l2_ctrl_ptr { u16 *p_u16; u32 *p_u32; char *p_char; + struct v4l2_ctrl_h264_sps *p_h264_sps; + struct v4l2_ctrl_h264_pps *p_h264_pps; + struct v4l2_ctrl_h264_scaling_matrix *p_h264_scal_mtrx; + struct v4l2_ctrl_h264_slice_param *p_h264_slice_param; + struct v4l2_ctrl_h264_decode_param *p_h264_decode_param; void *p; }; diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index 1bdce501ad6b..07348fee7829 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -49,6 +49,8 @@ #ifndef __LINUX_V4L2_CONTROLS_H #define __LINUX_V4L2_CONTROLS_H +#include + /* Control classes */ #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */ #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */ @@ -518,6 +520,12 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type { }; #define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER (V4L2_CID_MPEG_BASE+381) #define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP (V4L2_CID_MPEG_BASE+382) +#define V4L2_CID_MPEG_VIDEO_H264_SPS (V4L2_CID_MPEG_BASE+383) +#define V4L2_CID_MPEG_VIDEO_H264_PPS (V4L2_CID_MPEG_BASE+384) +#define V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX (V4L2_CID_MPEG_BASE+385) +#define V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAM (V4L2_CID_MPEG_BASE+386) +#define V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAM (V4L2_CID_MPEG_BASE+387) + #define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (V4L2_CID_MPEG_BASE+400) #define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (V4L2_CID_MPEG_BASE+401) #define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (V4L2_CID_MPEG_BASE+402) @@ -961,4 +969,153 @@ enum v4l2_detect_md_mode { #define V4L2_CID_DETECT_MD_THRESHOLD_GRID (V4L2_CID_DETECT_CLASS_BASE + 3) #define V4L2_CID_DETECT_MD_REGION_GRID (V4L2_CID_DETECT_CLASS_BASE + 4) + +/* Complex controls */ + +#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; + __s32 offset_for_non_ref_pic; + __s32 offset_for_top_to_bottom_field; + __u8 num_ref_frames_in_pic_order_cnt_cycle; + __s32 offset_for_ref_frame[255]; + __u8 max_num_ref_frames; + __u16 pic_width_in_mbs_minus1; + __u16 pic_height_in_map_units_minus1; + __u8 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; + __u8 flags; +}; + +struct v4l2_ctrl_h264_scaling_matrix { + __u8 scaling_list_4x4[6][16]; + __u8 scaling_list_8x8[6][64]; +}; + +struct v4l2_h264_weight_factors { + __s8 luma_weight[32]; + __s8 luma_offset[32]; + __s8 chroma_weight[32][2]; + __s8 chroma_offset[32][2]; +}; + +struct v4l2_h264_pred_weight_table { + __u8 luma_log2_weight_denom; + __u8 chroma_log2_weight_denom; + struct v4l2_h264_weight_factors weight_factors[2]; +}; + +#define V4L2_SLICE_FLAG_FIELD_PIC 0x01 +#define V4L2_SLICE_FLAG_BOTTOM_FIELD 0x02 +#define V4L2_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED 0x04 +#define V4L2_SLICE_FLAG_SP_FOR_SWITCH 0x08 +struct v4l2_ctrl_h264_slice_param { + /* Size in bytes, including header */ + __u32 size; + /* 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; + __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; + __u8 redundant_pic_cnt; + + 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; + __u32 slice_group_change_cycle; + + __u8 num_ref_idx_l0_active_minus1; + __u8 num_ref_idx_l1_active_minus1; + /* Entries on each list are indices + * into v4l2_ctrl_h264_decode_param.dpb[]. */ + __u8 ref_pic_list0[32]; + __u8 ref_pic_list1[32]; + + __u8 flags; +}; + +/* If not set, this entry is unused for reference. */ +#define V4L2_H264_DPB_ENTRY_FLAG_ACTIVE 0x01 +#define V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM 0x02 +struct v4l2_h264_dpb_entry { + __u32 buf_index; /* v4l2_buffer index */ + __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; + __u8 flags; /* V4L2_H264_DPB_ENTRY_FLAG_* */ +}; + +struct v4l2_ctrl_h264_decode_param { + __u32 num_slices; + __u8 idr_pic_flag; + __u8 nal_ref_idc; + __s32 top_field_order_cnt; + __s32 bottom_field_order_cnt; + __u8 ref_pic_list_p0[32]; + __u8 ref_pic_list_b0[32]; + __u8 ref_pic_list_b1[32]; + struct v4l2_h264_dpb_entry dpb[16]; +}; + #endif diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index fe6ba812ad56..a342175b812a 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -585,6 +585,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ +#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ @@ -1472,6 +1473,11 @@ struct v4l2_ext_control { __u8 __user *p_u8; __u16 __user *p_u16; __u32 __user *p_u32; + struct v4l2_ctrl_h264_sps __user *p_h264_sps; + struct v4l2_ctrl_h264_pps __user *p_h264_pps; + struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scal_mtrx; + struct v4l2_ctrl_h264_slice_param __user *p_h264_slice_param; + struct v4l2_ctrl_h264_decode_param __user *p_h264_decode_param; void __user *ptr; }; } __attribute__ ((packed)); @@ -1516,6 +1522,11 @@ enum v4l2_ctrl_type { V4L2_CTRL_TYPE_U8 = 0x0100, V4L2_CTRL_TYPE_U16 = 0x0101, V4L2_CTRL_TYPE_U32 = 0x0102, + V4L2_CTRL_TYPE_H264_SPS = 0x0103, + V4L2_CTRL_TYPE_H264_PPS = 0x0104, + V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0105, + V4L2_CTRL_TYPE_H264_SLICE_PARAM = 0x0106, + V4L2_CTRL_TYPE_H264_DECODE_PARAM = 0x0107, V4L2_CTRL_TYPE_PRIVATE = 0xffff, }; -- 2.34.1