From patchwork Thu Mar 9 12:56:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Pietrasiewicz X-Patchwork-Id: 661358 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1CF8AC6FD1C for ; Thu, 9 Mar 2023 12:58:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231302AbjCIM6a (ORCPT ); Thu, 9 Mar 2023 07:58:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231286AbjCIM5s (ORCPT ); Thu, 9 Mar 2023 07:57:48 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0EAEF20B6 for ; Thu, 9 Mar 2023 04:57:12 -0800 (PST) Received: from localhost.localdomain (unknown [194.146.248.75]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: andrzej.p) by madras.collabora.co.uk (Postfix) with ESMTPSA id 61D466603017; Thu, 9 Mar 2023 12:57:04 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1678366624; bh=entfAdk0ocbZ1yRpBO0Bbv0rQYXvI1fo/Jz6oOdvS0Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BAvH7EPC4NOgTxhkqJgt/+HZ22+H2DQ2UecgeU76nBhFphu3xXI8Vr0pSwLMSpt1h 3HxZcCli0EtuWC1pwAhSc6kv1z6qG77j/6xUvZjMe9yRWxUz1q73d1cIawuufzFlTY ipSSXhvk6XgbPx6jW4Sr6sA+6L+cc4A8S9TzC4sFwC2oYlOr5syVKpNpdRSJ2n/8Cd 3fRNAUv6saqZba6JD2Rip9FYX019PNT+Ca8j71xHnD0MTmilmAxekVEleILXRUN7T5 vIXERryOu0wIe/NcaK6V13Glv9jNs1HVMwpWLZ2zeixQnK7X0EroezMobuymJEhJpb oiLJHtl6nNIPw== From: Andrzej Pietrasiewicz To: linux-media@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Mauro Carvalho Chehab , Ezequiel Garcia , Philipp Zabel , Heiko Stuebner , Andrzej Pietrasiewicz , kernel@collabora.com Subject: [RFC 1/2] media: uapi: Add VP8 stateless encoder controls Date: Thu, 9 Mar 2023 13:56:50 +0100 Message-Id: <20230309125651.23911-2-andrzej.p@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230309125651.23911-1-andrzej.p@collabora.com> References: <20230309125651.23911-1-andrzej.p@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add uAPI for stateless VP8 encoders. Signed-off-by: Andrzej Pietrasiewicz --- drivers/media/v4l2-core/v4l2-ctrls-core.c | 16 ++++ drivers/media/v4l2-core/v4l2-ctrls-defs.c | 5 ++ include/media/v4l2-ctrls.h | 1 + include/uapi/linux/v4l2-controls.h | 91 +++++++++++++++++++++++ include/uapi/linux/videodev2.h | 3 + 5 files changed, 116 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c index 29169170880a..5055e75d37bb 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c @@ -335,6 +335,9 @@ void v4l2_ctrl_type_op_log(const struct v4l2_ctrl *ctrl) case V4L2_CTRL_TYPE_VP9_FRAME: pr_cont("VP9_FRAME"); break; + case V4L2_CTRL_TYPE_VP8_ENCODE_PARAMS: + pr_cont("VP8_ENCODE_PARAMS"); + break; case V4L2_CTRL_TYPE_HEVC_SPS: pr_cont("HEVC_SPS"); break; @@ -568,6 +571,7 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, struct v4l2_ctrl_hevc_pps *p_hevc_pps; struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering; struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params; + struct v4l2_ctrl_vp8_encode_params *p_vp8_encode_params; struct v4l2_area *area; void *p = ptr.p + idx * ctrl->elem_size; unsigned int i; @@ -918,6 +922,15 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, return -EINVAL; break; + case V4L2_CTRL_TYPE_VP8_ENCODE_PARAMS: + p_vp8_encode_params = p; + if (p_vp8_encode_params->loop_filter_level > 63) + return -EINVAL; + + if (p_vp8_encode_params->sharpness_level > 7) + return -EINVAL; + break; + default: return -EINVAL; } @@ -1602,6 +1615,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, case V4L2_CTRL_TYPE_VP9_FRAME: elem_size = sizeof(struct v4l2_ctrl_vp9_frame); break; + case V4L2_CTRL_TYPE_VP8_ENCODE_PARAMS: + elem_size = sizeof(struct v4l2_ctrl_vp8_encode_params); + break; case V4L2_CTRL_TYPE_AREA: elem_size = sizeof(struct v4l2_area); break; diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c index 564fedee2c88..935bd9a07bad 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -1182,6 +1182,8 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_STATELESS_MPEG2_QUANTISATION: return "MPEG-2 Quantisation Matrices"; case V4L2_CID_STATELESS_VP9_COMPRESSED_HDR: return "VP9 Probabilities Updates"; case V4L2_CID_STATELESS_VP9_FRAME: return "VP9 Frame Decode Parameters"; + case V4L2_CID_STATELESS_VP8_ENCODE_PARAMS: return "VP8 Encode Parameters"; + case V4L2_CID_STATELESS_VP8_ENCODE_QP: return "VP8 Encode QP"; case V4L2_CID_STATELESS_HEVC_SPS: return "HEVC Sequence Parameter Set"; case V4L2_CID_STATELESS_HEVC_PPS: return "HEVC Picture Parameter Set"; case V4L2_CID_STATELESS_HEVC_SLICE_PARAMS: return "HEVC Slice Parameters"; @@ -1531,6 +1533,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_STATELESS_VP9_FRAME: *type = V4L2_CTRL_TYPE_VP9_FRAME; break; + case V4L2_CID_STATELESS_VP8_ENCODE_PARAMS: + *type = V4L2_CTRL_TYPE_VP8_ENCODE_PARAMS; + break; case V4L2_CID_UNIT_CELL_SIZE: *type = V4L2_CTRL_TYPE_AREA; *flags |= V4L2_CTRL_FLAG_READ_ONLY; diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index e59d9a234631..2c4d5d293872 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -81,6 +81,7 @@ union v4l2_ctrl_ptr { struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll; struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering; struct v4l2_area *p_area; + struct v4l2_ctrl_vp8_encode_params *p_vp8_encode_params; void *p; const void *p_const; }; diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index b73a8ba7df6c..8b4795a601a5 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -2750,6 +2750,97 @@ struct v4l2_ctrl_vp9_compressed_hdr { struct v4l2_vp9_mv_probs mv; }; +#define V4L2_CID_STATELESS_VP8_ENCODE_PARAMS (V4L2_CID_CODEC_STATELESS_BASE + 501) + +#define V4L2_VP8_FRAME_FLAG_SHOWFRAME 0x1 +#define V4L2_VP8_FRAME_FLAG_GOLDEN_REFRESH 0x2 +#define V4L2_VP8_FRAME_FLAG_ALTREF_REFRESH 0x4 +#define V4L2_VP8_FRAME_FLAG_SEGMENT_ENABLED 0x8 +#define V4L2_VP8_FRAME_FLAG_LOOP_FILTER_ADJ_ENABLED 0x10 +#define V4L2_VP8_FRAME_FLAG_REFRESH_ENTROPY_PROBS 0x20 + +#define V4L2_VP8_FRAME_TYPE_KEYFRAME 0 +#define V4L2_VP8_FRAME_TYPE_INTER 1 + +#define V4L2_VP8_FRAME_COLOR_SPACE_YUV 0 +#define V4L2_VP8_FRAME_COLOR_SPACE_RESERVED 1 + +#define V4L2_VP8_FRAME_CLAMPING_REQUIRED 0 +#define V4L2_VP8_FRAME_CLAMPING_NO 1 + +#define V4L2_VP8_FRAME_FILTER_TYPE_NORMAL 0 +#define V4L2_VP8_FRAME_FILTER_TYPE_SIMPLE 1 + +#define V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_1 0 +#define V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_2 1 +#define V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_4 2 +#define V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_8 3 + +#define V4L2_VP8_FRAME_GOLDEN_KEEP 0 +#define V4L2_VP8_FRAME_GOLDEN_LASTFRAME 1 +#define V4L2_VP8_FRAME_GOLDEN_ALTREF 2 + +#define V4L2_VP8_FRAME_ALTREF_KEEP 0 +#define V4L2_VP8_FRAME_ALTREF_LASTFRAME 1 +#define V4L2_VP8_FRAME_ALTREF_GOLDEN 2 + +#define V4L2_VP8_FRAME_REF_LAST 0 +#define V4L2_VP8_FRAME_REF_GOLDEN 1 +#define V4L2_VP8_FRAME_REF_ALT 2 + +/** + * struct v4l2_ctrl_vp8_encode_params - VP8 encode parameters + * @flags: combination of V4L2_VP8_FRAME_FLAG_{} flags. + * @frame_type: specifies the frame type (key or inter). + * Set to one of V4L2_VP8_FRAME_TYPE_{}. + * @color_space: defines the YUV color space of the sequence. + * V4L2_VP8_FRAME_TYPE_INTER frames shall set this field to zero. + * Set to one of V4L2_VP8_FRAME_COLOR_SPACE_{}. + * @clamping_type: defines pixel value clamping type. + * V4L2_VP8_FRAME_TYPE_INTER frames shall set this field to zero. + * Set to one of V4L2_VP8_FRAME_CLAMPING_{}. + * @loop_filter_type: selects the type of loop filter applied. + * Set to one of V4L2_VP8_FRAME_FILTER_TYPE_{}. + * @loop_filter_level: sets the strength of the applied loop filter. + * Set to a value from the rage 0..63. + * @sharpness_level: sets the sharpness of the applied loop filter. + * Set to a value from the range 0..7. + * @log2_nbr_of_dct_partitions: determines the number of separate partitions + * containing the DCT coefficients of macroblocks. + * Set to one of V4L2_VP8_FRAME_NBR_DCT_PARTITIONS_{}. + * @prob_intra: indicates the probability of an intra macroblock. + * Set to a value from the range 0..255. + * @prob_last: indicates the probability that the last reference frame is used for inter-prediction. + * Set to a value from the range 0..255. + * @prob_gf: indicates the probability that the golden reference frame is used for inter-prediction. + * Set to a value from the range 0..255. + * @copy_buffer_to_golden: specifies the golden frame refresh strategy. + * Set to one of V4L2_VP8_FRAME_FLAG_GOLDEN_{}. + * @copy_buffer_to_alternate: specifies the atlref frame refresh strategy. + * Set to one of V4L2_VP8_FRAME_FLAG_ALTREF_{}. + * @reference_type: specifies what kind of reference to use for current inter frame. + * V4L2_VP8_FRAME_TYPE_KEYFRAME shall set this field to zero. + * Set to one of V4L2_VP8_FRAME_REF_{}. + */ +struct v4l2_ctrl_vp8_encode_params { + __u32 flags; + __u8 frame_type; + __u8 color_space; + __u8 clamping_type; + __u8 loop_filter_type; + __u8 loop_filter_level; + __u8 sharpness_level; + __u8 log2_nbr_of_dct_partitions; + __u8 prob_intra; + __u8 prob_last; + __u8 prob_gf; + __u8 copy_buffer_to_golden; + __u8 copy_buffer_to_alternate; + __u8 reference_type; +}; + +#define V4L2_CID_STATELESS_VP8_ENCODE_QP (V4L2_CID_CODEC_STATELESS_BASE + 502) + /* MPEG-compression definitions kept for backwards compatibility */ #ifndef __KERNEL__ #define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 1befd181a4cc..71932ceba248 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -1804,6 +1804,7 @@ struct v4l2_ext_control { struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params; struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix; struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params; + struct v4l2_ctrl_vp8_encode_params __user *p_vp8_encode_params; void __user *ptr; }; } __attribute__ ((packed)); @@ -1877,6 +1878,8 @@ 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_VP8_ENCODE_PARAMS = 0x0280, }; /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */