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[23.128.96.18]) by mx.google.com with ESMTP id t15si995565edq.164.2021.03.18.01.22.35; Thu, 18 Mar 2021 01:22:57 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229877AbhCRIVl (ORCPT + 99 others); Thu, 18 Mar 2021 04:21:41 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:38806 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229820AbhCRIVJ (ORCPT ); Thu, 18 Mar 2021 04:21:09 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: benjamin.gaignard) with ESMTPSA id B926B1F456E2 From: Benjamin Gaignard To: ezequiel@collabora.com, p.zabel@pengutronix.de, mchehab@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, lee.jones@linaro.org, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, hverkuil-cisco@xs4all.nl, emil.l.velikov@gmail.com Cc: kernel@pengutronix.de, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v6 05/13] media: hevc: Add decode params control Date: Thu, 18 Mar 2021 09:20:38 +0100 Message-Id: <20210318082046.51546-6-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210318082046.51546-1-benjamin.gaignard@collabora.com> References: <20210318082046.51546-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add decode params control and it associated structure to regroup all the information that are needed to decode a reference frame as it is describe in ITU-T Rec. H.265 section "8.3.2 Decoding process for reference picture set". Adapt Cedrus driver to these changes. Signed-off-by: Benjamin Gaignard --- version 6: - fix compilation errors .../media/v4l/ext-ctrls-codec.rst | 94 +++++++++++++++---- .../media/v4l/vidioc-queryctrl.rst | 6 ++ drivers/media/v4l2-core/v4l2-ctrls.c | 26 +++-- drivers/staging/media/sunxi/cedrus/cedrus.c | 6 ++ drivers/staging/media/sunxi/cedrus/cedrus.h | 1 + .../staging/media/sunxi/cedrus/cedrus_dec.c | 2 + .../staging/media/sunxi/cedrus/cedrus_h265.c | 12 ++- include/media/hevc-ctrls.h | 29 ++++-- 8 files changed, 137 insertions(+), 39 deletions(-) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index d62e8e423f3b..8a6d45cb437e 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -3436,9 +3436,6 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - * - __u8 - ``pic_struct`` - - * - __u8 - - ``num_active_dpb_entries`` - - The number of entries in ``dpb``. * - __u8 - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - The list of L0 reference elements as indices in the DPB. @@ -3446,22 +3443,8 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - - ``ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - The list of L1 reference elements as indices in the DPB. * - __u8 - - ``num_rps_poc_st_curr_before`` - - The number of reference pictures in the short-term set that come before - the current frame. - * - __u8 - - ``num_rps_poc_st_curr_after`` - - The number of reference pictures in the short-term set that come after - the current frame. - * - __u8 - - ``num_rps_poc_lt_curr`` - - The number of reference pictures in the long-term set. - * - __u8 - - ``padding[7]`` + - ``padding`` - Applications and drivers must set this to zero. - * - struct :c:type:`v4l2_hevc_dpb_entry` - - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The decoded picture buffer, for meta-data about reference frames. * - struct :c:type:`v4l2_hevc_pred_weight_table` - ``pred_weight_table`` - The prediction weight coefficients for inter-picture prediction. @@ -3660,3 +3643,78 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - so this has to come from client. This is applicable to H264 and valid Range is from 0 to 63. Source Rec. ITU-T H.264 (06/2019); G.7.4.1.1, G.8.8.1. + +``V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS (struct)`` + Specifies various decode parameters, especially the references picture order + count (POC) for all the lists (short, long, before, current, after) and the + number of entries for each of them. + These parameters are defined according to :ref:`hevc`. + They are described in section 8.3 "Slice decoding process" of the + specification. + +.. c:type:: v4l2_ctrl_hevc_decode_params + +.. cssclass:: longtable + +.. flat-table:: struct v4l2_ctrl_hevc_decode_params + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __s32 + - ``pic_order_cnt_val`` + - PicOrderCntVal as described in section 8.3.1 "Decoding process + for picture order count" of the specification. + * - __u8 + - ``num_active_dpb_entries`` + - The number of entries in ``dpb``. + * - struct :c:type:`v4l2_hevc_dpb_entry` + - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The decoded picture buffer, for meta-data about reference frames. + * - __u8 + - ``num_poc_st_curr_before`` + - The number of reference pictures in the short-term set that come before + the current frame. + * - __u8 + - ``num_poc_st_curr_after`` + - The number of reference pictures in the short-term set that come after + the current frame. + * - __u8 + - ``num_poc_lt_curr`` + - The number of reference pictures in the long-term set. + * - __u8 + - ``poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocStCurrBefore as described in section 8.3.2 "Decoding process for reference + picture set. + * - __u8 + - ``poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocStCurrAfter as described in section 8.3.2 "Decoding process for reference + picture set. + * - __u8 + - ``poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocLtCurr as described in section 8.3.2 "Decoding process for reference + picture set. + * - __u64 + - ``flags`` + - See :ref:`Decode Parameters Flags ` + +.. _hevc_decode_params_flags: + +``Decode Parameters Flags`` + +.. cssclass:: longtable + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC`` + - 0x00000001 + - + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC`` + - 0x00000002 + - + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR`` + - 0x00000004 + - diff --git a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst index 82f61f1e2fb8..d84ae255bc79 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst @@ -486,6 +486,12 @@ See also the examples in :ref:`control`. - n/a - A struct :c:type:`v4l2_ctrl_hevc_slice_params`, containing HEVC slice parameters for stateless video decoders. + * - ``V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS`` + - n/a + - n/a + - n/a + - A struct :c:type:`v4l2_ctrl_hevc_decode_params`, containing HEVC + decoding parameters for stateless video decoders. .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 016cf6204cbb..4060b5bcc3c0 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -1028,6 +1028,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_HEVC_SPS: return "HEVC Sequence Parameter Set"; case V4L2_CID_MPEG_VIDEO_HEVC_PPS: return "HEVC Picture Parameter Set"; case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: return "HEVC Slice Parameters"; + case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS: return "HEVC Decode Parameters"; case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: return "HEVC Decode Mode"; case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return "HEVC Start Code"; @@ -1482,6 +1483,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: *type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS; break; + case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS: + *type = V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS; + break; case V4L2_CID_UNIT_CELL_SIZE: *type = V4L2_CTRL_TYPE_AREA; *flags |= V4L2_CTRL_FLAG_READ_ONLY; @@ -1833,6 +1837,7 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, struct v4l2_ctrl_hevc_sps *p_hevc_sps; struct v4l2_ctrl_hevc_pps *p_hevc_pps; struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params; + struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params; struct v4l2_area *area; void *p = ptr.p + idx * ctrl->elem_size; unsigned int i; @@ -2108,23 +2113,27 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, zero_padding(*p_hevc_pps); break; - case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: - p_hevc_slice_params = p; + case V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS: + p_hevc_decode_params = p; - if (p_hevc_slice_params->num_active_dpb_entries > + if (p_hevc_decode_params->num_active_dpb_entries > V4L2_HEVC_DPB_ENTRIES_NUM_MAX) return -EINVAL; - zero_padding(p_hevc_slice_params->pred_weight_table); - - for (i = 0; i < p_hevc_slice_params->num_active_dpb_entries; + for (i = 0; i < p_hevc_decode_params->num_active_dpb_entries; i++) { struct v4l2_hevc_dpb_entry *dpb_entry = - &p_hevc_slice_params->dpb[i]; + &p_hevc_decode_params->dpb[i]; zero_padding(*dpb_entry); } + break; + + case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: + p_hevc_slice_params = p; + + zero_padding(p_hevc_slice_params->pred_weight_table); zero_padding(*p_hevc_slice_params); break; @@ -2821,6 +2830,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params); break; + case V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS: + elem_size = sizeof(struct v4l2_ctrl_hevc_decode_params); + break; case V4L2_CTRL_TYPE_AREA: elem_size = sizeof(struct v4l2_area); break; diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c index 7bd9291c8d5f..4cd3cab1a257 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c @@ -151,6 +151,12 @@ static const struct cedrus_control cedrus_controls[] = { }, .codec = CEDRUS_CODEC_VP8, }, + { + .cfg = { + .id = V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS, + }, + .codec = CEDRUS_CODEC_H265, + }, }; #define CEDRUS_CONTROLS_COUNT ARRAY_SIZE(cedrus_controls) diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h index 251a6a660351..2ca33ac38b9a 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.h +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h @@ -76,6 +76,7 @@ struct cedrus_h265_run { const struct v4l2_ctrl_hevc_sps *sps; const struct v4l2_ctrl_hevc_pps *pps; const struct v4l2_ctrl_hevc_slice_params *slice_params; + const struct v4l2_ctrl_hevc_decode_params *decode_params; }; struct cedrus_vp8_run { diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_dec.c b/drivers/staging/media/sunxi/cedrus/cedrus_dec.c index a9090daf626a..cd821f417a14 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_dec.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_dec.c @@ -68,6 +68,8 @@ void cedrus_device_run(void *priv) V4L2_CID_MPEG_VIDEO_HEVC_PPS); run.h265.slice_params = cedrus_find_control_data(ctx, V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS); + run.h265.decode_params = cedrus_find_control_data(ctx, + V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS); break; case V4L2_PIX_FMT_VP8_FRAME: diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c index ce497d0197df..397a4ba5df4c 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -245,6 +245,7 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, const struct v4l2_ctrl_hevc_sps *sps; const struct v4l2_ctrl_hevc_pps *pps; const struct v4l2_ctrl_hevc_slice_params *slice_params; + const struct v4l2_ctrl_hevc_decode_params *decode_params; const struct v4l2_hevc_pred_weight_table *pred_weight_table; dma_addr_t src_buf_addr; dma_addr_t src_buf_end_addr; @@ -256,6 +257,7 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, sps = run->h265.sps; pps = run->h265.pps; slice_params = run->h265.slice_params; + decode_params = run->h265.decode_params; pred_weight_table = &slice_params->pred_weight_table; /* MV column buffer size and allocation. */ @@ -487,7 +489,7 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, reg = VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_TC_OFFSET_DIV2(slice_params->slice_tc_offset_div2) | VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_BETA_OFFSET_DIV2(slice_params->slice_beta_offset_div2) | - VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_POC_BIGEST_IN_RPS_ST(slice_params->num_rps_poc_st_curr_after == 0) | + VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_POC_BIGEST_IN_RPS_ST(decode_params->num_poc_st_curr_after == 0) | VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_CR_QP_OFFSET(slice_params->slice_cr_qp_offset) | VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_CB_QP_OFFSET(slice_params->slice_cb_qp_offset) | VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_QP_DELTA(slice_params->slice_qp_delta); @@ -527,8 +529,8 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, cedrus_write(dev, VE_DEC_H265_NEIGHBOR_INFO_ADDR, reg); /* Write decoded picture buffer in pic list. */ - cedrus_h265_frame_info_write_dpb(ctx, slice_params->dpb, - slice_params->num_active_dpb_entries); + cedrus_h265_frame_info_write_dpb(ctx, decode_params->dpb, + decode_params->num_active_dpb_entries); /* Output frame. */ @@ -545,7 +547,7 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, /* Reference picture list 0 (for P/B frames). */ if (slice_params->slice_type != V4L2_HEVC_SLICE_TYPE_I) { - cedrus_h265_ref_pic_list_write(dev, slice_params->dpb, + cedrus_h265_ref_pic_list_write(dev, decode_params->dpb, slice_params->ref_idx_l0, slice_params->num_ref_idx_l0_active_minus1 + 1, VE_DEC_H265_SRAM_OFFSET_REF_PIC_LIST0); @@ -564,7 +566,7 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, /* Reference picture list 1 (for B frames). */ if (slice_params->slice_type == V4L2_HEVC_SLICE_TYPE_B) { - cedrus_h265_ref_pic_list_write(dev, slice_params->dpb, + cedrus_h265_ref_pic_list_write(dev, decode_params->dpb, slice_params->ref_idx_l1, slice_params->num_ref_idx_l1_active_minus1 + 1, VE_DEC_H265_SRAM_OFFSET_REF_PIC_LIST1); diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h index 003f819ecb26..8e0109eea454 100644 --- a/include/media/hevc-ctrls.h +++ b/include/media/hevc-ctrls.h @@ -19,6 +19,7 @@ #define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_CODEC_BASE + 1008) #define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_CODEC_BASE + 1009) #define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_BASE + 1010) +#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_BASE + 1012) #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_CODEC_BASE + 1015) #define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_CODEC_BASE + 1016) @@ -26,6 +27,7 @@ #define V4L2_CTRL_TYPE_HEVC_SPS 0x0120 #define V4L2_CTRL_TYPE_HEVC_PPS 0x0121 #define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122 +#define V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS 0x0124 enum v4l2_mpeg_video_hevc_decode_mode { V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED, @@ -194,18 +196,10 @@ struct v4l2_ctrl_hevc_slice_params { __u8 pic_struct; /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ - __u8 num_active_dpb_entries; __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __u8 num_rps_poc_st_curr_before; - __u8 num_rps_poc_st_curr_after; - __u8 num_rps_poc_lt_curr; - - __u8 padding; - - /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ - struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __u8 padding[5]; /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ struct v4l2_hevc_pred_weight_table pred_weight_table; @@ -213,4 +207,21 @@ struct v4l2_ctrl_hevc_slice_params { __u64 flags; }; +#define V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC 0x1 +#define V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC 0x2 +#define V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR 0x4 + +struct v4l2_ctrl_hevc_decode_params { + __s32 pic_order_cnt_val; + __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]; + __u64 flags; +}; + #endif -- 2.25.1