Re: [PATCH v2 11/18] media: mtk-vcodec: venc support MIN_OUTPUT_BUFFERS control
From: Tiffany Lin
Date: Tue Jun 30 2020 - 23:30:57 EST
On Fri, 2020-06-26 at 17:04 +0900, Alexandre Courbot wrote:
> This control is required by v4l2-compliance for encoders. A value of 1
> should be suitable for all scenarios.
>
Acked-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx>
> Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxxxx>
> ---
> drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> index f2ba19c32400..f833aee4a06f 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
> @@ -1206,6 +1206,8 @@ int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
>
> v4l2_ctrl_handler_init(handler, MTK_MAX_CTRLS_HINT);
>
> + v4l2_ctrl_new_std(handler, ops, V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
> + 1, 1, 1, 1);
> v4l2_ctrl_new_std(handler, ops, V4L2_CID_MPEG_VIDEO_BITRATE,
> ctx->dev->venc_pdata->min_bitrate,
> ctx->dev->venc_pdata->max_bitrate, 1, 4000000);