From patchwork Mon Jan 25 05:51:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dikshita Agarwal X-Patchwork-Id: 12042967 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6805DC433DB for ; Mon, 25 Jan 2021 06:01:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17E0522C9C for ; Mon, 25 Jan 2021 06:01:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727026AbhAYF64 (ORCPT ); Mon, 25 Jan 2021 00:58:56 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:17098 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727081AbhAYFxI (ORCPT ); Mon, 25 Jan 2021 00:53:08 -0500 Received: from ironmsg09-lv.qualcomm.com ([10.47.202.153]) by alexa-out.qualcomm.com with ESMTP; 24 Jan 2021 21:52:26 -0800 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg09-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 24 Jan 2021 21:52:25 -0800 X-QCInternal: smtphost Received: from dikshita-linux.qualcomm.com ([10.204.65.237]) by ironmsg01-blr.qualcomm.com with ESMTP; 25 Jan 2021 11:22:22 +0530 Received: by dikshita-linux.qualcomm.com (Postfix, from userid 347544) id F36B721578; Mon, 25 Jan 2021 11:22:21 +0530 (IST) From: Dikshita Agarwal To: linux-media@vger.kernel.org, hverkuil-cisco@xs4all.nl, stanimir.varbanov@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, vgarodia@codeaurora.org, Dikshita Agarwal Subject: [PATCH v6 1/2] media: v4l2-ctrl: add controls for long term reference. Date: Mon, 25 Jan 2021 11:21:58 +0530 Message-Id: <1611553919-17919-2-git-send-email-dikshita@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1611553919-17919-1-git-send-email-dikshita@codeaurora.org> References: <1611553919-17919-1-git-send-email-dikshita@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Long Term Reference (LTR) frames are the frames that are encoded sometime in the past and stored in the DPB buffer list to be used as reference to encode future frames. This change adds controls to enable this feature. Signed-off-by: Dikshita Agarwal --- .../userspace-api/media/v4l/ext-ctrls-codec.rst | 18 ++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls.c | 14 ++++++++++++++ include/uapi/linux/v4l2-controls.h | 3 +++ 3 files changed, 35 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index 400774c..a37d460 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -3637,3 +3637,21 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - - Selecting this value specifies that HEVC slices are expected to be prefixed by Annex B start codes. According to :ref:`hevc` valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001. + +``V4L2_CID_MPEG_VIDEO_LTR_COUNT (integer)`` + Specifies the number of Long Term Reference (LTR) frames encoder needs + to generate or keep. This is applicable to the H264 and HEVC encoders. + +``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)`` + The current frame is marked as a Long Term Reference (LTR) frame + and given this LTR index which ranges from 0 to LTR_COUNT-1. + This is applicable to the H264 and HEVC encoders and can be applied using + Request API. + Source Rec. ITU-T H.264 (06/2019); Table 7.9 + +``V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (bitmask)`` + Specifies the Long Term Reference (LTR) frame(s) to be used for + encoding the current frame. + This provides a bitmask which consists of bits [0, LTR_COUNT-1]. + This is applicable to the H264 and HEVC encoders and can be applied using + Request API. diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 16ab54f..84c1eb8 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -950,6 +950,9 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE: return "Vertical MV Search Range"; case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER: return "Repeat Sequence Header"; case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME: return "Force Key Frame"; + case V4L2_CID_MPEG_VIDEO_LTR_COUNT: return "LTR Count"; + case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX: return "Frame LTR Index"; + case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES: return "Use LTR Frames"; case V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS: return "MPEG-2 Slice Parameters"; case V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION: return "MPEG-2 Quantization Matrices"; case V4L2_CID_FWHT_I_FRAME_QP: return "FWHT I-Frame QP Value"; @@ -1277,6 +1280,17 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE: *type = V4L2_CTRL_TYPE_INTEGER; break; + case V4L2_CID_MPEG_VIDEO_LTR_COUNT: + *type = V4L2_CTRL_TYPE_INTEGER; + break; + case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX: + *type = V4L2_CTRL_TYPE_INTEGER; + *flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE; + break; + case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES: + *type = V4L2_CTRL_TYPE_BITMASK; + *flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE; + break; case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME: case V4L2_CID_PAN_RESET: case V4L2_CID_TILT_RESET: diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index af8dda2..c0bb87b 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -422,6 +422,9 @@ enum v4l2_mpeg_video_multi_slice_mode { #define V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE (V4L2_CID_CODEC_BASE+227) #define V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE (V4L2_CID_CODEC_BASE+228) #define V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME (V4L2_CID_CODEC_BASE+229) +#define V4L2_CID_MPEG_VIDEO_LTR_COUNT (V4L2_CID_CODEC_BASE+230) +#define V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (V4L2_CID_CODEC_BASE+231) +#define V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (V4L2_CID_CODEC_BASE+232) /* CIDs for the MPEG-2 Part 2 (H.262) codec */ #define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_CODEC_BASE+270) From patchwork Mon Jan 25 05:51:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dikshita Agarwal X-Patchwork-Id: 12042965 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF2ABC433DB for ; Mon, 25 Jan 2021 05:58:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 878B422C9F for ; Mon, 25 Jan 2021 05:58:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726810AbhAYF6s (ORCPT ); Mon, 25 Jan 2021 00:58:48 -0500 Received: from alexa-out.qualcomm.com ([129.46.98.28]:4444 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727083AbhAYFxJ (ORCPT ); Mon, 25 Jan 2021 00:53:09 -0500 Received: from ironmsg09-lv.qualcomm.com ([10.47.202.153]) by alexa-out.qualcomm.com with ESMTP; 24 Jan 2021 21:52:28 -0800 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg09-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 24 Jan 2021 21:52:26 -0800 X-QCInternal: smtphost Received: from dikshita-linux.qualcomm.com ([10.204.65.237]) by ironmsg01-blr.qualcomm.com with ESMTP; 25 Jan 2021 11:22:25 +0530 Received: by dikshita-linux.qualcomm.com (Postfix, from userid 347544) id 9C09621578; Mon, 25 Jan 2021 11:22:24 +0530 (IST) From: Dikshita Agarwal To: linux-media@vger.kernel.org, hverkuil-cisco@xs4all.nl, stanimir.varbanov@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, vgarodia@codeaurora.org, Dikshita Agarwal Subject: [PATCH v6 2/2] venus: venc: Add support for Long Term Reference (LTR) controls Date: Mon, 25 Jan 2021 11:21:59 +0530 Message-Id: <1611553919-17919-3-git-send-email-dikshita@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1611553919-17919-1-git-send-email-dikshita@codeaurora.org> References: <1611553919-17919-1-git-send-email-dikshita@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add support for below LTR controls in encoder: - V4L2_CID_MPEG_VIDEO_LTR_COUNT - V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX - V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES Signed-off-by: Dikshita Agarwal --- drivers/media/platform/qcom/venus/venc_ctrls.c | 49 +++++++++++++++++++++++++- 1 file changed, 48 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c index 496ad4d..7d010d8 100644 --- a/drivers/media/platform/qcom/venus/venc_ctrls.c +++ b/drivers/media/platform/qcom/venus/venc_ctrls.c @@ -20,6 +20,7 @@ #define INTRA_REFRESH_MBS_MAX 300 #define AT_SLICE_BOUNDARY \ V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY +#define MAX_LTR_FRAME_COUNT 4 static int venc_calc_bpframes(u32 gop_size, u32 conseq_b, u32 *bf, u32 *pf) { @@ -72,6 +73,9 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl) struct venc_controls *ctr = &inst->controls.enc; struct hfi_enable en = { .enable = 1 }; struct hfi_bitrate brate; + struct hfi_ltr_use ltr_use; + struct hfi_ltr_mark ltr_mark; + struct hfi_ltr_mode ltr_mode; u32 bframes; u32 ptype; int ret; @@ -259,6 +263,37 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE: ctr->frame_skip_mode = ctrl->val; break; + case V4L2_CID_MPEG_VIDEO_LTR_COUNT: + ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE; + ltr_mode.ltr_count = ctrl->val; + ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL; + ltr_mode.trust_mode = 1; + ret = hfi_session_set_property(inst, ptype, <r_mode); + if (ret) { + mutex_unlock(&inst->lock); + return ret; + } + break; + case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX: + ptype = HFI_PROPERTY_CONFIG_VENC_MARKLTRFRAME; + ltr_mark.mark_frame = ctrl->val; + ret = hfi_session_set_property(inst, ptype, <r_mark); + if (ret) { + mutex_unlock(&inst->lock); + return ret; + } + break; + case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES: + ptype = HFI_PROPERTY_CONFIG_VENC_USELTRFRAME; + ltr_use.ref_ltr = ctrl->val; + ltr_use.use_constrnt = true; + ltr_use.frames = 0; + ret = hfi_session_set_property(inst, ptype, <r_use); + if (ret) { + mutex_unlock(&inst->lock); + return ret; + } + break; default: return -EINVAL; } @@ -274,7 +309,7 @@ int venc_ctrl_init(struct venus_inst *inst) { int ret; - ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 50); + ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 53); if (ret) return ret; @@ -476,6 +511,18 @@ int venc_ctrl_init(struct venus_inst *inst) (1 << V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT)), V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_DISABLED); + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES, 0, + (MAX_LTR_FRAME_COUNT - 1), 1, 0); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_LTR_COUNT, 0, + MAX_LTR_FRAME_COUNT, 1, 0); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX, 0, + (MAX_LTR_FRAME_COUNT - 1), 1, 0); + ret = inst->ctrl_handler.error; if (ret) goto err;