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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CA+ddPcPtxK91FJJSYMcVyK0RZ7gN83sr5Aetnm+RiFbQv6ED4A@mail.gmail.com>
Date:   Thu, 5 Mar 2020 11:27:14 -0800
From:   Jeffrey Kardatzke <jkardatzke@...gle.com>
To:     linux-media@...r.kernel.org
Cc:     Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] media: venus: support frame rate control

Friendly ping for any feedback on the updated patch set. Thanks.

On Fri, Feb 21, 2020 at 4:33 PM Jeffrey Kardatzke <jkardatzke@...gle.com> 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@...gle.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
>


-- 
Jeffrey Kardatzke
jkardatzke@...gle.com
Google, Inc.