From patchwork Wed Mar 24 09:54:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dikshita Agarwal X-Patchwork-Id: 72609 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1lP0Et-00DERc-Db; Wed, 24 Mar 2021 09:55:47 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235184AbhCXJzL (ORCPT + 1 other); Wed, 24 Mar 2021 05:55:11 -0400 Received: from alexa-out.qualcomm.com ([129.46.98.28]:48975 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232606AbhCXJyz (ORCPT ); Wed, 24 Mar 2021 05:54:55 -0400 Received: from ironmsg-lv-alpha.qualcomm.com ([10.47.202.13]) by alexa-out.qualcomm.com with ESMTP; 24 Mar 2021 02:54:54 -0700 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg-lv-alpha.qualcomm.com with ESMTP/TLS/AES256-SHA; 24 Mar 2021 02:54:52 -0700 X-QCInternal: smtphost Received: from dikshita-linux.qualcomm.com ([10.204.65.237]) by ironmsg01-blr.qualcomm.com with ESMTP; 24 Mar 2021 15:24:37 +0530 Received: by dikshita-linux.qualcomm.com (Postfix, from userid 347544) id 895C121694; Wed, 24 Mar 2021 15:24:36 +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 v10 1/2] media: v4l2-ctrl: add controls for long term reference. Date: Wed, 24 Mar 2021 15:24:31 +0530 Message-Id: <1616579672-13898-2-git-send-email-dikshita@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1616579672-13898-1-git-send-email-dikshita@codeaurora.org> References: <1616579672-13898-1-git-send-email-dikshita@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no 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 Reviewed-by: Hans Verkuil --- .../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 00944e9..be81bd9 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -3646,3 +3646,21 @@ 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_LTR_COUNT (integer)`` + Specifies the maximum number of Long Term Reference (LTR) frames at any + given time that the encoder can keep. + This is applicable to the H264 and HEVC encoders. + +``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)`` + After setting this control the frame that will be queued next + will be 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. + 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 next frame queued after setting this control. + This provides a bitmask which consists of bits [0, LTR_COUNT-1]. + This is applicable to the H264 and HEVC encoders. diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 016cf62..4d444de 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -951,6 +951,9 @@ const char *v4l2_ctrl_get_name(u32 id) 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_BASELAYER_PRIORITY_ID: return "Base Layer Priority ID"; + 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"; @@ -1278,6 +1281,17 @@ 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 039c0d7..fedbb54 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -428,6 +428,9 @@ enum v4l2_mpeg_video_multi_slice_mode { #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_BASELAYER_PRIORITY_ID (V4L2_CID_CODEC_BASE+230) +#define V4L2_CID_MPEG_VIDEO_LTR_COUNT (V4L2_CID_CODEC_BASE+231) +#define V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (V4L2_CID_CODEC_BASE+232) +#define V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (V4L2_CID_CODEC_BASE+233) /* CIDs for the MPEG-2 Part 2 (H.262) codec */ #define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_CODEC_BASE+270) From patchwork Wed Mar 24 09:54:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dikshita Agarwal X-Patchwork-Id: 72608 X-Patchwork-Delegate: stanimir.varbanov@linaro.org Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1lP0Es-00DERc-EI; Wed, 24 Mar 2021 09:55:46 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235192AbhCXJzL (ORCPT + 1 other); Wed, 24 Mar 2021 05:55:11 -0400 Received: from alexa-out.qualcomm.com ([129.46.98.28]:48975 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235127AbhCXJy6 (ORCPT ); Wed, 24 Mar 2021 05:54:58 -0400 Received: from ironmsg-lv-alpha.qualcomm.com ([10.47.202.13]) by alexa-out.qualcomm.com with ESMTP; 24 Mar 2021 02:54:58 -0700 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg-lv-alpha.qualcomm.com with ESMTP/TLS/AES256-SHA; 24 Mar 2021 02:54:56 -0700 X-QCInternal: smtphost Received: from dikshita-linux.qualcomm.com ([10.204.65.237]) by ironmsg01-blr.qualcomm.com with ESMTP; 24 Mar 2021 15:24:39 +0530 Received: by dikshita-linux.qualcomm.com (Postfix, from userid 347544) id 1582521694; Wed, 24 Mar 2021 15:24:38 +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 v10 2/2] venus: venc: Add support for Long Term Reference (LTR) controls Date: Wed, 24 Mar 2021 15:24:32 +0530 Message-Id: <1616579672-13898-3-git-send-email-dikshita@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1616579672-13898-1-git-send-email-dikshita@codeaurora.org> References: <1616579672-13898-1-git-send-email-dikshita@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no 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/core.h | 2 ++ drivers/media/platform/qcom/venus/venc.c | 9 +++++ drivers/media/platform/qcom/venus/venc_ctrls.c | 48 +++++++++++++++++++++++++- 3 files changed, 58 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index a252ed3..9451e54 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -238,6 +238,8 @@ struct venc_controls { } level; u32 base_priority_id; + + u32 ltr_count; }; struct venus_buffer { diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c index 6976ed5..508af44 100644 --- a/drivers/media/platform/qcom/venus/venc.c +++ b/drivers/media/platform/qcom/venus/venc.c @@ -546,6 +546,7 @@ static int venc_set_properties(struct venus_inst *inst) struct hfi_quantization quant; struct hfi_quantization_range quant_range; struct hfi_enable en; + struct hfi_ltr_mode ltr_mode; u32 ptype, rate_control, bitrate; u32 profile, level; int ret; @@ -722,6 +723,14 @@ static int venc_set_properties(struct venus_inst *inst) if (ret) return ret; + ptype = HFI_PROPERTY_PARAM_VENC_LTRMODE; + ltr_mode.ltr_count = ctr->ltr_count; + ltr_mode.ltr_mode = HFI_LTR_MODE_MANUAL; + ltr_mode.trust_mode = 1; + ret = hfi_session_set_property(inst, ptype, <r_mode); + if (ret) + return ret; + switch (inst->hfi_codec) { case HFI_VIDEO_CODEC_H264: profile = ctr->profile.h264; diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c index a52b800..1f2d8183 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 +73,8 @@ 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; u32 bframes; u32 ptype; int ret; @@ -276,6 +279,37 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl) case V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID: ctr->base_priority_id = ctrl->val; break; + case V4L2_CID_MPEG_VIDEO_LTR_COUNT: + ctr->ltr_count = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX: + mutex_lock(&inst->lock); + if (inst->streamon_out && inst->streamon_cap) { + 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; + } + } + mutex_unlock(&inst->lock); + break; + case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES: + mutex_lock(&inst->lock); + if (inst->streamon_out && inst->streamon_cap) { + 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; + } + } + mutex_unlock(&inst->lock); + break; default: return -EINVAL; } @@ -291,7 +325,7 @@ int venc_ctrl_init(struct venus_inst *inst) { int ret; - ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 51); + ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 54); if (ret) return ret; @@ -498,6 +532,18 @@ int venc_ctrl_init(struct venus_inst *inst) V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID, 0, 6, 1, 0); + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES, 0, + ((1 << 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;