linux-kernel - [PATCH v4 1/4] media: chips-media: wave5: Support SPS/PPS generation for each IDR

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Message-Id: <20240510065817.743-2-jackson.lee@chipsnmedia.com>
Date: Fri, 10 May 2024 15:58:14 +0900
From: Jackson Lee <jackson.lee@...psnmedia.com>
To: mchehab@...nel.org,
	nicolas@...fresne.ca,
	sebastian.fricke@...labora.com
Cc: linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	hverkuil@...all.nl,
	nas.chung@...psnmedia.com,
	lafley.kim@...psnmedia.com,
	b-brnich@...com,
	jackson.lee@...psnmedia.com
Subject: [PATCH v4 1/4] media: chips-media: wave5: Support SPS/PPS generation for each IDR

From: "Jackson.lee" <jackson.lee@...psnmedia.com>

Provide a control to toggle (0 = off / 1 = on), whether the SPS and
PPS are generated for every IDR.

Signed-off-by: Jackson.lee <jackson.lee@...psnmedia.com>
Signed-off-by: Nas Chung <nas.chung@...psnmedia.com>
---
 .../platform/chips-media/wave5/wave5-hw.c     | 19 +++++++++++++++----
 .../chips-media/wave5/wave5-vpu-enc.c         |  7 +++++++
 .../platform/chips-media/wave5/wave5-vpuapi.h |  1 +
 3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/chips-media/wave5/wave5-hw.c b/drivers/media/platform/chips-media/wave5/wave5-hw.c
index 2d82791f575e..fff6e66b66e4 100644
--- a/drivers/media/platform/chips-media/wave5/wave5-hw.c
+++ b/drivers/media/platform/chips-media/wave5/wave5-hw.c
@@ -23,6 +23,15 @@
 #define FEATURE_AVC_ENCODER		BIT(1)
 #define FEATURE_HEVC_ENCODER		BIT(0)
 
+#define ENC_AVC_INTRA_IDR_PARAM_MASK	0x7ff
+#define ENC_AVC_INTRA_PERIOD_SHIFT		6
+#define ENC_AVC_IDR_PERIOD_SHIFT		17
+#define ENC_AVC_FORCED_IDR_HEADER_SHIFT		28
+
+#define ENC_HEVC_INTRA_QP_SHIFT			3
+#define ENC_HEVC_FORCED_IDR_HEADER_SHIFT	9
+#define ENC_HEVC_INTRA_PERIOD_SHIFT		16
+
 /* Decoder support fields */
 #define FEATURE_AVC_DECODER		BIT(3)
 #define FEATURE_HEVC_DECODER		BIT(2)
@@ -1601,12 +1610,14 @@ int wave5_vpu_enc_init_seq(struct vpu_instance *inst)
 
 	if (inst->std == W_AVC_ENC)
 		vpu_write_reg(inst->dev, W5_CMD_ENC_SEQ_INTRA_PARAM, p_param->intra_qp |
-				((p_param->intra_period & 0x7ff) << 6) |
-				((p_param->avc_idr_period & 0x7ff) << 17));
+				((p_param->intra_period & ENC_AVC_INTRA_IDR_PARAM_MASK) << ENC_AVC_INTRA_PERIOD_SHIFT) |
+				((p_param->avc_idr_period & ENC_AVC_INTRA_IDR_PARAM_MASK) << ENC_AVC_IDR_PERIOD_SHIFT) |
+				(p_param->forced_idr_header_enable << ENC_AVC_FORCED_IDR_HEADER_SHIFT));
 	else if (inst->std == W_HEVC_ENC)
 		vpu_write_reg(inst->dev, W5_CMD_ENC_SEQ_INTRA_PARAM,
-			      p_param->decoding_refresh_type | (p_param->intra_qp << 3) |
-				(p_param->intra_period << 16));
+			      p_param->decoding_refresh_type | (p_param->intra_qp << ENC_HEVC_INTRA_QP_SHIFT) |
+			      (p_param->forced_idr_header_enable << ENC_HEVC_FORCED_IDR_HEADER_SHIFT) |
+			      (p_param->intra_period << ENC_HEVC_INTRA_PERIOD_SHIFT));
 
 	reg_val = (p_param->rdo_skip << 2) |
 		(p_param->lambda_scaling_enable << 3) |
diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
index a45a2f699000..a23908011a39 100644
--- a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
+++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
@@ -1061,6 +1061,9 @@ static int wave5_vpu_enc_s_ctrl(struct v4l2_ctrl *ctrl)
 	case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
 		inst->enc_param.entropy_coding_mode = ctrl->val;
 		break;
+	case V4L2_CID_MPEG_VIDEO_PREPEND_SPSPPS_TO_IDR:
+		inst->enc_param.forced_idr_header_enable = ctrl->val;
+		break;
 	case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
 		break;
 	default:
@@ -1219,6 +1222,7 @@ static void wave5_set_enc_openparam(struct enc_open_param *open_param,
 		else
 			open_param->wave_param.intra_refresh_arg = num_ctu_row;
 	}
+	open_param->wave_param.forced_idr_header_enable = input.forced_idr_header_enable;
 }
 
 static int initialize_sequence(struct vpu_instance *inst)
@@ -1701,6 +1705,9 @@ static int wave5_vpu_open_enc(struct file *filp)
 			  0, 1, 1, 0);
 	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
 			  V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 1);
+	v4l2_ctrl_new_std(v4l2_ctrl_hdl, &wave5_vpu_enc_ctrl_ops,
+			  V4L2_CID_MPEG_VIDEO_PREPEND_SPSPPS_TO_IDR,
+			  0, 1, 1, 0);
 
 	if (v4l2_ctrl_hdl->error) {
 		ret = -ENODEV;
diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
index edc50450ddb8..554c40b2e002 100644
--- a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
+++ b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
@@ -566,6 +566,7 @@ struct enc_wave_param {
 	u32 lambda_scaling_enable: 1; /* enable lambda scaling using custom GOP */
 	u32 transform8x8_enable: 1; /* enable 8x8 intra prediction and 8x8 transform */
 	u32 mb_level_rc_enable: 1; /* enable MB-level rate control */
+	u32 forced_idr_header_enable: 1; /* enable header encoding before IDR frame */
 };
 
 struct enc_open_param {
-- 
2.43.0