From 13789e30704908a6bf743d338f663b0468e204c7 Mon Sep 17 00:00:00 2001 From: Benjamin Gaignard Date: Fri, 8 Jul 2022 17:21:54 +0100 Subject: media: uapi: HEVC: fix padding in v4l2 control structures Fix padding where needed to remove holes Signed-off-by: Benjamin Gaignard Acked-by: Nicolas Dufresne Tested-by: Jernej Skrabec Reviewed-by: Ezequiel Garcia Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/media/hevc-ctrls.h | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) (limited to 'include/media') diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h index 9239e8b649e0..7358cbfc3e4d 100644 --- a/include/media/hevc-ctrls.h +++ b/include/media/hevc-ctrls.h @@ -105,6 +105,7 @@ enum v4l2_stateless_hevc_start_code { * @chroma_format_idc: specifies the chroma sampling * @sps_max_sub_layers_minus1: this value plus 1 specifies the maximum number * of temporal sub-layers + * @reserved: padding field. Should be zeroed by applications. * @flags: see V4L2_HEVC_SPS_FLAG_{} */ struct v4l2_ctrl_hevc_sps { @@ -133,6 +134,7 @@ struct v4l2_ctrl_hevc_sps { __u8 chroma_format_idc; __u8 sps_max_sub_layers_minus1; + __u8 reserved[6]; __u64 flags; }; @@ -192,6 +194,7 @@ struct v4l2_ctrl_hevc_sps { * divided by 2 * @log2_parallel_merge_level_minus2: this value plus 2 specifies the value of * the variable Log2ParMrgLevel + * @reserved: padding field. Should be zeroed by applications. * @flags: see V4L2_HEVC_PPS_FLAG_{} */ struct v4l2_ctrl_hevc_pps { @@ -210,8 +213,7 @@ struct v4l2_ctrl_hevc_pps { __s8 pps_beta_offset_div2; __s8 pps_tc_offset_div2; __u8 log2_parallel_merge_level_minus2; - - __u8 padding[4]; + __u8 reserved; __u64 flags; }; @@ -239,14 +241,15 @@ struct v4l2_ctrl_hevc_pps { * @timestamp: timestamp of the V4L2 capture buffer to use as reference. * @flags: long term flag for the reference frame * @field_pic: whether the reference is a field picture or a frame. + * @reserved: padding field. Should be zeroed by applications. * @pic_order_cnt_val: the picture order count of the reference. */ struct v4l2_hevc_dpb_entry { __u64 timestamp; __u8 flags; __u8 field_pic; + __u16 reserved; __s32 pic_order_cnt_val; - __u8 padding[2]; }; /** @@ -285,8 +288,6 @@ struct v4l2_hevc_pred_weight_table { __s8 delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; __s8 chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; - __u8 padding[6]; - __u8 luma_log2_weight_denom; __s8 delta_chroma_log2_weight_denom; }; @@ -339,6 +340,7 @@ struct v4l2_hevc_pred_weight_table { * @slice_tc_offset_div2: specify the deblocking parameter offsets for tC divided by 2 * @pic_struct: indicates whether a picture should be displayed as a frame or as one or * more fields + * @reserved0: padding field. Should be zeroed by applications. * @slice_segment_addr: specifies the address of the first coding tree block in * the slice segment * @ref_idx_l0: the list of L0 reference elements as indices in the DPB @@ -349,6 +351,7 @@ struct v4l2_hevc_pred_weight_table { * picture include in the SPS * @pred_weight_table: the prediction weight coefficients for inter-picture * prediction + * @reserved1: padding field. Should be zeroed by applications. * @flags: see V4L2_HEVC_SLICE_PARAMS_FLAG_{} */ struct v4l2_ctrl_hevc_slice_params { @@ -379,17 +382,18 @@ struct v4l2_ctrl_hevc_slice_params { /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */ __u8 pic_struct; + __u8 reserved0[3]; /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ __u32 slice_segment_addr; __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u16 short_term_ref_pic_set_size; __u16 long_term_ref_pic_set_size; - __u8 padding; /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ struct v4l2_hevc_pred_weight_table pred_weight_table; + __u8 reserved1[2]; __u64 flags; }; @@ -406,7 +410,6 @@ struct v4l2_ctrl_hevc_slice_params { * @long_term_ref_pic_set_size: specifies the size of long-term reference * pictures set include in the SPS of the first slice * @num_active_dpb_entries: the number of entries in dpb - * @dpb: the decoded picture buffer, for meta-data about reference frames * @num_poc_st_curr_before: the number of reference pictures in the short-term * set that come before the current frame * @num_poc_st_curr_after: the number of reference pictures in the short-term @@ -417,6 +420,8 @@ struct v4l2_ctrl_hevc_slice_params { * @poc_st_curr_after: provides the index of the short term after references * in DPB array * @poc_lt_curr: provides the index of the long term references in DPB array + * @reserved: padding field. Should be zeroed by applications. + * @dpb: the decoded picture buffer, for meta-data about reference frames * @flags: see V4L2_HEVC_DECODE_PARAM_FLAG_{} */ struct v4l2_ctrl_hevc_decode_params { @@ -424,13 +429,14 @@ struct v4l2_ctrl_hevc_decode_params { __u16 short_term_ref_pic_set_size; __u16 long_term_ref_pic_set_size; __u8 num_active_dpb_entries; - struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u8 num_poc_st_curr_before; __u8 num_poc_st_curr_after; __u8 num_poc_lt_curr; __u8 poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u8 poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u8 poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __u8 reserved[4]; + struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u64 flags; }; -- cgit v1.2.3