Re: [PATCH v2] media: venus: support frame rate control

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Hi Jeff,

Thanks for the patch!

It looks good to me, except one indentation issue but I will fix it when
applying no need to resend it.

On 2/22/20 2:33 AM, Jeffrey Kardatzke wrote:
> 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@xxxxxxxxxx>
> ---
>  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(-)

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

> 
> 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;
> 

-- 
regards,
Stan



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