From: "Theo de Raadt" Subject: Re: sys/videoio.h: sync with Linux To: tech@openbsd.org Date: Thu, 19 Feb 2026 10:34:27 -0700 So -- new things only. OK. Kirill A. Korinsky wrote: > On Fri, 13 Feb 2026 15:28:11 +0100, > Kirill A. Korinsky wrote: > > > > On Fri, 13 Feb 2026 15:19:54 +0100, > > Kirill A. Korinsky wrote: > > > > > > tech@, > > > > > > as usual I'd like to sync up our videoio.h with linux upstream. > > > > > > 1. media: v4l2-ctrls: Add hevc_ext_sps_[ls]t_rps controls > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fa05705107a40131a8335ad37817153709261738 > > > > > > 2. media: uapi: videodev2: Add support for AV1 stateful decoder > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=406fc2e9ca65e0df345ebf4ce95aa87cb6416f35 > > > > > > 3. media: v4l: ctrls: add a control for flash/strobe duration > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d89ccbf3dde727d91a242a5a3f3b70a90579b057 > > > > > > 4. media: v4l: ctrls: add a control for enabling strobe output > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5be4154f6255d92d9d2ad5da658d7d33a655386f > > > > > Also, I'd like to point that here no ABI or API changes. > > Scope limited to few new defines, two new struct and two new enum value only. > > Ok? > > Index: sys/sys/videoio.h > =================================================================== > RCS file: /cvs/src/sys/sys/videoio.h,v > diff -u -p -r1.28 videoio.h > --- sys/sys/videoio.h 4 Dec 2025 22:57:47 -0000 1.28 > +++ sys/sys/videoio.h 13 Feb 2026 14:26:44 -0000 > @@ -1305,6 +1305,8 @@ enum v4l2_flash_strobe_source { > > #define V4L2_CID_FLASH_CHARGE (V4L2_CID_FLASH_CLASS_BASE + 11) > #define V4L2_CID_FLASH_READY (V4L2_CID_FLASH_CLASS_BASE + 12) > +#define V4L2_CID_FLASH_DURATION (V4L2_CID_FLASH_CLASS_BASE + 13) > +#define V4L2_CID_FLASH_STROBE_OE (V4L2_CID_FLASH_CLASS_BASE + 14) > > > /* JPEG-class control IDs */ > @@ -2212,6 +2214,8 @@ struct v4l2_ctrl_mpeg2_quantisation { > #define V4L2_CID_STATELESS_HEVC_DECODE_MODE (V4L2_CID_CODEC_STATELESS_BASE + 405) > #define V4L2_CID_STATELESS_HEVC_START_CODE (V4L2_CID_CODEC_STATELESS_BASE + 406) > #define V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (V4L2_CID_CODEC_STATELESS_BASE + 407) > +#define V4L2_CID_STATELESS_HEVC_EXT_SPS_ST_RPS (V4L2_CID_CODEC_STATELESS_BASE + 408) > +#define V4L2_CID_STATELESS_HEVC_EXT_SPS_LT_RPS (V4L2_CID_CODEC_STATELESS_BASE + 409) > > enum v4l2_stateless_hevc_decode_mode { > V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED, > @@ -2667,6 +2671,65 @@ struct v4l2_ctrl_hevc_scaling_matrix { > u_int8_t scaling_list_dc_coef_32x32[2]; > }; > > +#define V4L2_HEVC_EXT_SPS_ST_RPS_FLAG_INTER_REF_PIC_SET_PRED 0x1 > + > +/* > + * struct v4l2_ctrl_hevc_ext_sps_st_rps - HEVC short term RPS parameters > + * > + * Dynamic size 1-dimension array for short term RPS. The number of elements > + * is v4l2_ctrl_hevc_sps::num_short_term_ref_pic_sets. It can contain up to 65 elements. > + * > + * @delta_idx_minus1: Specifies the delta compare to the index. See details in section 7.4.8 > + * "Short-term reference picture set semantics" of the specification. > + * @delta_rps_sign: Sign of the delta as specified in section 7.4.8 "Short-term reference picture > + * set semantics" of the specification. > + * @abs_delta_rps_minus1: Absolute delta RPS as specified in section 7.4.8 "Short-term reference > + * picture set semantics" of the specification. > + * @num_negative_pics: Number of short-term RPS entries that have picture order count values less > + * than the picture order count value of the current picture. > + * @num_positive_pics: Number of short-term RPS entries that have picture order count values > + * greater than the picture order count value of the current picture. > + * @used_by_curr_pic: Bit j specifies if short-term RPS j is used by the current picture. > + * @use_delta_flag: Bit j equals to 1 specifies that the j-th entry in the source candidate > + * short-term RPS is included in this candidate short-term RPS. > + * @delta_poc_s0_minus1: Specifies the negative picture order count delta for the i-th entry in > + * the short-term RPS. See details in section 7.4.8 "Short-term reference > + * picture set semantics" of the specification. > + * @delta_poc_s1_minus1: Specifies the positive picture order count delta for the i-th entry in > + * the short-term RPS. See details in section 7.4.8 "Short-term reference > + * picture set semantics" of the specification. > + * @flags: See V4L2_HEVC_EXT_SPS_ST_RPS_FLAG_{} > + */ > +struct v4l2_ctrl_hevc_ext_sps_st_rps { > + u_int8_t delta_idx_minus1; > + u_int8_t delta_rps_sign; > + u_int8_t num_negative_pics; > + u_int8_t num_positive_pics; > + u_int32_t used_by_curr_pic; > + u_int32_t use_delta_flag; > + u_int16_t abs_delta_rps_minus1; > + u_int16_t delta_poc_s0_minus1[16]; > + u_int16_t delta_poc_s1_minus1[16]; > + u_int16_t flags; > +}; > + > +#define V4L2_HEVC_EXT_SPS_LT_RPS_FLAG_USED_LT 0x1 > + > +/* > + * struct v4l2_ctrl_hevc_ext_sps_lt_rps - HEVC long term RPS parameters > + * > + * Dynamic size 1-dimension array for long term RPS. The number of elements > + * is v4l2_ctrl_hevc_sps::num_long_term_ref_pics_sps. It can contain up to 65 elements. > + * > + * @lt_ref_pic_poc_lsb_sps: picture order count modulo MaxPicOrderCntLsb of the i-th candidate > + * long-term reference picture. > + * @flags: See V4L2_HEVC_EXT_SPS_LT_RPS_FLAG_{} > + */ > +struct v4l2_ctrl_hevc_ext_sps_lt_rps { > + u_int16_t lt_ref_pic_poc_lsb_sps; > + u_int16_t flags; > +}; > + > /* Stateless VP9 controls */ > > #define V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED 0x1 > @@ -4321,6 +4384,7 @@ struct v4l2_pix_format { > #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ > #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ > #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */ > +#define V4L2_PIX_FMT_AV1 v4l2_fourcc('A', 'V', '0', '1') /* AV1 */ > #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */ > #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */ > #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */ > @@ -5487,6 +5551,8 @@ enum v4l2_ctrl_type { > V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272, > V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273, > V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274, > + V4L2_CTRL_TYPE_HEVC_EXT_SPS_ST_RPS = 0x0275, > + V4L2_CTRL_TYPE_HEVC_EXT_SPS_LT_RPS = 0x0276, > > V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280, > V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281, >