public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Fritz Koenig <frkoenig@chromium.org>
To: Stanimir Varbanov <stanimir.k.varbanov@gmail.com>,
	 Vikash Garodia <quic_vgarodia@quicinc.com>,
	 Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
	 Mauro Carvalho Chehab <mchehab@kernel.org>,
	 Dikshita Agarwal <quic_dikshita@quicinc.com>
Cc: Nathan Hebert <nhebert@chromium.org>,
	linux-media@vger.kernel.org,  linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	 Fritz Koenig <frkoenig@chromium.org>
Subject: [PATCH v4 2/2] media: venus: Enable h.264 hierarchical coding
Date: Thu, 17 Oct 2024 13:04:31 -0700	[thread overview]
Message-ID: <20241017-submit-v4-2-d852bc7f7fdc@chromium.org> (raw)
In-Reply-To: <20241017-submit-v4-0-d852bc7f7fdc@chromium.org>

HFI supports hierarchical P encoding and the ability to specify the
bitrate for the different layers.

Connect the controls that V4L2 provides and HFI supports.

Signed-off-by: Fritz Koenig <frkoenig@chromium.org>
---
 drivers/media/platform/qcom/venus/core.h       |  4 ++
 drivers/media/platform/qcom/venus/venc.c       | 73 +++++++++++++-------
 drivers/media/platform/qcom/venus/venc_ctrls.c | 92 ++++++++++++++++++++++++++
 3 files changed, 145 insertions(+), 24 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 55202b89e1b9..fd46a7778d8c 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -26,6 +26,7 @@
 #define VIDC_CLKS_NUM_MAX		4
 #define VIDC_VCODEC_CLKS_NUM_MAX	2
 #define VIDC_RESETS_NUM_MAX		2
+#define VIDC_MAX_HIER_CODING_LAYER 6
 
 extern int venus_fw_debug;
 
@@ -255,6 +256,7 @@ struct venc_controls {
 	u32 rc_enable;
 	u32 const_quality;
 	u32 frame_skip_mode;
+	u32 layer_bitrate;
 
 	u32 h264_i_period;
 	u32 h264_entropy_mode;
@@ -273,6 +275,8 @@ struct venc_controls {
 	s32 h264_loop_filter_alpha;
 	s32 h264_loop_filter_beta;
 	u32 h264_8x8_transform;
+	u32 h264_hier_layers;
+	u32 h264_hier_layer_bitrate[VIDC_MAX_HIER_CODING_LAYER];
 
 	u32 hevc_i_qp;
 	u32 hevc_p_qp;
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 3ec2fb8d9fab..d717e5dd6a39 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -734,6 +734,29 @@ static int venc_set_properties(struct venus_inst *inst)
 		if (ret)
 			return ret;
 
+		if (ctr->layer_bitrate) {
+			unsigned int i;
+
+			ptype = HFI_PROPERTY_PARAM_VENC_HIER_P_MAX_NUM_ENH_LAYER;
+			ret = hfi_session_set_property(inst, ptype, &ctr->h264_hier_layers);
+			if (ret)
+				return ret;
+
+			ptype = HFI_PROPERTY_CONFIG_VENC_HIER_P_ENH_LAYER;
+			ret = hfi_session_set_property(inst, ptype, &ctr->layer_bitrate);
+			if (ret)
+				return ret;
+
+			for (i = 0; i < ctr->h264_hier_layers; ++i) {
+				ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
+				brate.bitrate = ctr->h264_hier_layer_bitrate[i];
+				brate.layer_id = i;
+
+				ret = hfi_session_set_property(inst, ptype, &brate);
+				if (ret)
+					return ret;
+			}
+		}
 	}
 
 	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
@@ -823,21 +846,36 @@ static int venc_set_properties(struct venus_inst *inst)
 			return ret;
 	}
 
-	if (!ctr->bitrate)
-		bitrate = 64000;
-	else
-		bitrate = ctr->bitrate;
+	if (!ctr->layer_bitrate) {
+		if (!ctr->bitrate)
+			bitrate = 64000;
+		else
+			bitrate = ctr->bitrate;
 
-	ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
-	brate.bitrate = bitrate;
-	brate.layer_id = 0;
+		ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
+		brate.bitrate = bitrate;
+		brate.layer_id = 0;
 
-	ret = hfi_session_set_property(inst, ptype, &brate);
-	if (ret)
-		return ret;
+		ret = hfi_session_set_property(inst, ptype, &brate);
+		if (ret)
+			return ret;
+
+		if (!ctr->bitrate_peak)
+			bitrate *= 2;
+		else
+			bitrate = ctr->bitrate_peak;
+
+		ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
+		brate.bitrate = bitrate;
+		brate.layer_id = 0;
+
+		ret = hfi_session_set_property(inst, ptype, &brate);
+		if (ret)
+			return ret;
+	}
 
 	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
-	    inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
+			inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 		ptype = HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER;
 		if (ctr->header_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE)
 			en.enable = 0;
@@ -849,19 +887,6 @@ static int venc_set_properties(struct venus_inst *inst)
 			return ret;
 	}
 
-	if (!ctr->bitrate_peak)
-		bitrate *= 2;
-	else
-		bitrate = ctr->bitrate_peak;
-
-	ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
-	brate.bitrate = bitrate;
-	brate.layer_id = 0;
-
-	ret = hfi_session_set_property(inst, ptype, &brate);
-	if (ret)
-		return ret;
-
 	ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
 	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 		quant.qp_i = ctr->hevc_i_qp;
diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 3e1f6f26eddf..e340783a4ef2 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -346,6 +346,55 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 
 		ctr->h264_8x8_transform = ctrl->val;
 		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE:
+		if (ctrl->val != V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P)
+			return -EINVAL;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING:
+		ctr->layer_bitrate = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER:
+		if (ctrl->val > VIDC_MAX_HIER_CODING_LAYER)
+			return -EINVAL;
+		ctr->h264_hier_layers = ctrl->val;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR:
+		ctr->h264_hier_layer_bitrate[0] = ctrl->val;
+		ret = dynamic_bitrate_update(inst, ctr->h264_hier_layer_bitrate[0], 0);
+		if (ret)
+			return ret;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR:
+		ctr->h264_hier_layer_bitrate[1] = ctrl->val;
+		ret = dynamic_bitrate_update(inst, ctr->h264_hier_layer_bitrate[1], 1);
+		if (ret)
+			return ret;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR:
+		ctr->h264_hier_layer_bitrate[2] = ctrl->val;
+		ret = dynamic_bitrate_update(inst, ctr->h264_hier_layer_bitrate[2], 2);
+		if (ret)
+			return ret;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR:
+		ctr->h264_hier_layer_bitrate[3] = ctrl->val;
+		ret = dynamic_bitrate_update(inst, ctr->h264_hier_layer_bitrate[3], 3);
+		if (ret)
+			return ret;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR:
+		ctr->h264_hier_layer_bitrate[4] = ctrl->val;
+		ret = dynamic_bitrate_update(inst, ctr->h264_hier_layer_bitrate[4], 4);
+		if (ret)
+			return ret;
+		break;
+	case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR:
+		ctr->h264_hier_layer_bitrate[5] = ctrl->val;
+		ret = dynamic_bitrate_update(inst, ctr->h264_hier_layer_bitrate[5], 5);
+		if (ret)
+			return ret;
+		break;
+
 	default:
 		return -EINVAL;
 	}
@@ -628,6 +677,49 @@ int venc_ctrl_init(struct venus_inst *inst)
 			  V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD, 0,
 			  ((4096 * 2304) >> 8), 1, 0);
 
+	if (IS_V4(inst->core) || IS_V6(inst->core)) {
+		v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops,
+				       V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE,
+				       V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P,
+				       1, V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P);
+
+		v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+				  V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING, 0, 1, 1, 0);
+
+		v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+				  V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER, 0,
+				  VIDC_MAX_HIER_CODING_LAYER, 1, 0);
+
+		v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+				  V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR,
+				  BITRATE_MIN, BITRATE_MAX, BITRATE_STEP, BITRATE_DEFAULT);
+
+		v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+				  V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR,
+				  BITRATE_MIN, BITRATE_MAX,
+				  BITRATE_STEP, BITRATE_DEFAULT);
+
+		v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+				  V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR,
+				  BITRATE_MIN, BITRATE_MAX,
+				  BITRATE_STEP, BITRATE_DEFAULT);
+
+		v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+				  V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR,
+				  BITRATE_MIN, BITRATE_MAX,
+				  BITRATE_STEP, BITRATE_DEFAULT);
+
+		v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+				  V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR,
+				  BITRATE_MIN, BITRATE_MAX,
+				  BITRATE_STEP, BITRATE_DEFAULT);
+
+		v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+				  V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR,
+				  BITRATE_MIN, BITRATE_MAX,
+				  BITRATE_STEP, BITRATE_DEFAULT);
+	}
+
 	ret = inst->ctrl_handler.error;
 	if (ret)
 		goto err;

-- 
2.47.0.rc1.288.g06298d1525-goog


  parent reply	other threads:[~2024-10-17 20:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-17 20:04 [PATCH v4 0/2] media: venus: Add hierarchical h.264 controls Fritz Koenig
2024-10-17 20:04 ` [PATCH v4 1/2] media: venus: Helper function for dynamically updating bitrate Fritz Koenig
2024-10-18  4:50   ` Dikshita Agarwal
2024-10-17 20:04 ` Fritz Koenig [this message]
2024-10-18  5:01   ` [PATCH v4 2/2] media: venus: Enable h.264 hierarchical coding Dikshita Agarwal

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20241017-submit-v4-2-d852bc7f7fdc@chromium.org \
    --to=frkoenig@chromium.org \
    --cc=bryan.odonoghue@linaro.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=mchehab@kernel.org \
    --cc=nhebert@chromium.org \
    --cc=quic_dikshita@quicinc.com \
    --cc=quic_vgarodia@quicinc.com \
    --cc=stanimir.k.varbanov@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox