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* [PATCH v2] media: venus: support frame rate control
@ 2020-02-22  0:33 Jeffrey Kardatzke
  2020-03-05 19:27 ` Jeffrey Kardatzke
  2020-03-06  8:57 ` Stanimir Varbanov
  0 siblings, 2 replies; 3+ messages in thread
From: Jeffrey Kardatzke @ 2020-02-22  0:33 UTC (permalink / raw)
  To: linux-media
  Cc: Stanimir Varbanov, Andy Gross, Mauro Carvalho Chehab,
	linux-arm-msm, linux-kernel, Jeffrey Kardatzke

Add encoder control for enabling/disabling frame rate control via
V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE. It is enabled by default.

Signed-off-by: Jeffrey Kardatzke <jkardatzke@google.com>
---
 drivers/media/platform/qcom/venus/core.h       | 1 +
 drivers/media/platform/qcom/venus/venc.c       | 4 +++-
 drivers/media/platform/qcom/venus/venc_ctrls.c | 8 +++++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 11585fb3cae3..2b0649ffbd92 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -187,6 +187,7 @@ struct venc_controls {
 	u32 bitrate_mode;
 	u32 bitrate;
 	u32 bitrate_peak;
+	u32 rc_enable;
 
 	u32 h264_i_period;
 	u32 h264_entropy_mode;
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 453edf966d4f..56079c9d9900 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -731,7 +731,9 @@ static int venc_set_properties(struct venus_inst *inst)
 	if (ret)
 		return ret;
 
-	if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
+	if (!ctr->rc_enable)
+		rate_control = HFI_RATE_CONTROL_OFF;
+	else if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
 		rate_control = HFI_RATE_CONTROL_VBR_CFR;
 	else
 		rate_control = HFI_RATE_CONTROL_CBR_CFR;
diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 877c0b3299e9..0572a00b8380 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -199,6 +199,9 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 		}
 		mutex_unlock(&inst->lock);
 		break;
+	case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
+		ctr->rc_enable = ctrl->val;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -214,7 +217,7 @@ int venc_ctrl_init(struct venus_inst *inst)
 {
 	int ret;
 
-	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 30);
+	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 31);
 	if (ret)
 		return ret;
 
@@ -351,6 +354,9 @@ int venc_ctrl_init(struct venus_inst *inst)
 	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
 			  V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 0, 0, 0, 0);
 
+	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+		V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1);
+
 	ret = inst->ctrl_handler.error;
 	if (ret)
 		goto err;
-- 
2.25.0.265.gbab2e86ba0-goog


^ permalink raw reply related	[flat|nested] 3+ messages in thread

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2020-02-22  0:33 [PATCH v2] media: venus: support frame rate control Jeffrey Kardatzke
2020-03-05 19:27 ` Jeffrey Kardatzke
2020-03-06  8:57 ` Stanimir Varbanov

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