[PATCH v2] media: venus: dynamic handling of bitrate

[PATCH v2] media: venus: dynamic handling of bitrate

[Malathi Gottam]

Any request for a change in bitrate after both planes
are streamed on is handled by setting the target bitrate
property to hardware.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
---
 drivers/media/platform/qcom/venus/venc_ctrls.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
index 45910172..f90a34e 100644
--- a/drivers/media/platform/qcom/venus/venc_ctrls.c
+++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
@@ -79,7 +79,9 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 {
 	struct venus_inst *inst = ctrl_to_inst(ctrl);
 	struct venc_controls *ctr = &inst->controls.enc;
+	struct hfi_bitrate brate;
 	u32 bframes;
+	u32 ptype;
 	int ret;
 
 	switch (ctrl->id) {
@@ -88,6 +90,19 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 		break;
 	case V4L2_CID_MPEG_VIDEO_BITRATE:
 		ctr->bitrate = ctrl->val;
+		mutex_lock(&inst->lock);
+		if (inst->streamon_out && inst->streamon_cap) {
+			ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
+			brate.bitrate = ctr->bitrate;
+			brate.layer_id = 0;
+
+			ret = hfi_session_set_property(inst, ptype, &brate);
+			if (ret) {
+				mutex_unlock(&inst->lock);
+				return ret;
+			}
+		}
+		mutex_unlock(&inst->lock);
 		break;
 	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
 		ctr->bitrate_peak = ctrl->val;
-- 
1.9.1

Re: [PATCH v2] media: venus: dynamic handling of bitrate

[Stanimir Varbanov]

Hi Malathi,

Thanks for the patch!

On 11/2/18 2:41 PM, Malathi Gottam wrote:
> Any request for a change in bitrate after both planes
> are streamed on is handled by setting the target bitrate
> property to hardware.
> 
> Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
> ---
>  drivers/media/platform/qcom/venus/venc_ctrls.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)

Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>

> 
> diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
> index 45910172..f90a34e 100644
> --- a/drivers/media/platform/qcom/venus/venc_ctrls.c
> +++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
> @@ -79,7 +79,9 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
>  {
>  	struct venus_inst *inst = ctrl_to_inst(ctrl);
>  	struct venc_controls *ctr = &inst->controls.enc;
> +	struct hfi_bitrate brate;
>  	u32 bframes;
> +	u32 ptype;
>  	int ret;
>  
>  	switch (ctrl->id) {
> @@ -88,6 +90,19 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
>  		break;
>  	case V4L2_CID_MPEG_VIDEO_BITRATE:
>  		ctr->bitrate = ctrl->val;
> +		mutex_lock(&inst->lock);
> +		if (inst->streamon_out && inst->streamon_cap) {
> +			ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
> +			brate.bitrate = ctr->bitrate;
> +			brate.layer_id = 0;
> +
> +			ret = hfi_session_set_property(inst, ptype, &brate);
> +			if (ret) {
> +				mutex_unlock(&inst->lock);
> +				return ret;
> +			}
> +		}
> +		mutex_unlock(&inst->lock);
>  		break;
>  	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
>  		ctr->bitrate_peak = ctrl->val;
> 

-- 
regards,
Stan