Re: [PATCH] media: mediatek: vcodec: Force capture queue format to MM21

From: Tommaso Merciai
Date: Thu Feb 09 2023 - 03:57:31 EST


Hi Yunfei Dong,

On Thu, Feb 09, 2023 at 03:40:25PM +0800, Yunfei Dong wrote:
> In order to conver the format of capture queue from mediatek MM21 to
> standard yuv420 with Libyuv, need to force capture queue format to
> MM21 for Libyuv can't covert mediatek MT21 format.

Sorry, just some clarifications on my side, just to understand :)
The problem is that libyuv can't convert mm21 format into yuv420
than you need to use mm21 (forcing this).
Did I understand correctly?

Thanks in advance,
Tommaso

>
> Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> ---
> drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> index 641f533c417f..4f5e9c20214f 100644
> --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> @@ -41,7 +41,7 @@ static bool mtk_vdec_get_cap_fmt(struct mtk_vcodec_ctx *ctx, int format_index)
> const struct mtk_video_fmt *fmt;
> struct mtk_q_data *q_data;
> int num_frame_count = 0, i;
> - bool ret = true;
> + bool ret = false;
>
> for (i = 0; i < *dec_pdata->num_formats; i++) {
> if (dec_pdata->vdec_formats[i].type != MTK_FMT_FRAME)
> @@ -63,7 +63,7 @@ static bool mtk_vdec_get_cap_fmt(struct mtk_vcodec_ctx *ctx, int format_index)
> case V4L2_PIX_FMT_H264_SLICE:
> case V4L2_PIX_FMT_VP9_FRAME:
> if (fmt->fourcc == V4L2_PIX_FMT_MM21)
> - ret = false;
> + ret = true;
> break;
> default:
> ret = true;
> --
> 2.18.0
>