Hi,
Le mercredi 03 avril 2024 à 17:30 +0800, Yunfei Dong a écrit :
> The sizeimage of each plane are calculated the same way for 8bit and
> 10bit bitstream. Need to enlarge the sizeimage with simeimage*5/4 for
> 10bit bitstream when try and set fmt.
Can we stop adding more layers of custom code and port to v4l2-common helpers
please.
regards,
Nicolas
>
> Fixes: 9d86be9bda6c ("media: mediatek: vcodec: Add driver to support 10bit")
> Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> ---
> .../mediatek/vcodec/decoder/mtk_vcodec_dec.c | 47 ++++++++++++++-----
> 1 file changed, 34 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
> index 9107707de6c4..45209894f1fe 100644
> --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
> +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
> @@ -259,6 +259,7 @@ static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
> pix_fmt_mp->num_planes = 1;
> pix_fmt_mp->plane_fmt[0].bytesperline = 0;
> } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
> + unsigned int dram_y, dram_c, dram_y_10bit, dram_c_10bit;
> int tmp_w, tmp_h;
>
> /*
> @@ -280,22 +281,42 @@ static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
> (pix_fmt_mp->height + 64) <= frmsize->max_height)
> pix_fmt_mp->height += 64;
>
> - mtk_v4l2_vdec_dbg(0, ctx,
> - "before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d",
> - tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
> - pix_fmt_mp->width * pix_fmt_mp->height);
> + dram_y = pix_fmt_mp->width * pix_fmt_mp->height;
> + dram_c = dram_y / 2;
> +
> + dram_y_10bit = dram_y * 5 / 4;
> + dram_c_10bit = dram_y_10bit / 2;
>
> pix_fmt_mp->num_planes = fmt->num_planes;
> - pix_fmt_mp->plane_fmt[0].sizeimage =
> - pix_fmt_mp->width * pix_fmt_mp->height;
> - pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
> -
> - if (pix_fmt_mp->num_planes == 2) {
> - pix_fmt_mp->plane_fmt[1].sizeimage =
> - (pix_fmt_mp->width * pix_fmt_mp->height) / 2;
> - pix_fmt_mp->plane_fmt[1].bytesperline =
> - pix_fmt_mp->width;
> + if (pix_fmt_mp->num_planes == 1) {
> + if (ctx->is_10bit_bitstream) {
> + pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width * 5 / 4;
> + pix_fmt_mp->plane_fmt[0].sizeimage = dram_y_10bit + dram_c_10bit;
> + } else {
> + pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
> + pix_fmt_mp->plane_fmt[0].sizeimage = dram_y + dram_c;
> + }
> + } else {
> + if (ctx->is_10bit_bitstream) {
> + pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width * 5 / 4;
> + pix_fmt_mp->plane_fmt[1].bytesperline = pix_fmt_mp->width * 5 / 4;
> +
> + pix_fmt_mp->plane_fmt[0].sizeimage = dram_y_10bit;
> + pix_fmt_mp->plane_fmt[1].sizeimage = dram_c_10bit;
> + } else {
> + pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
> + pix_fmt_mp->plane_fmt[1].bytesperline = pix_fmt_mp->width;
> +
> + pix_fmt_mp->plane_fmt[0].sizeimage = dram_y;
> + pix_fmt_mp->plane_fmt[1].sizeimage = dram_c;
> + }
> }
> +
> + mtk_v4l2_vdec_dbg(0, ctx,
> + "before resize:%dx%d, after resize:%dx%d, sizeimage=0x%x_0x%x",
> + tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
> + pix_fmt_mp->plane_fmt[0].sizeimage,
> + pix_fmt_mp->plane_fmt[1].sizeimage);
> }
>
> pix_fmt_mp->flags = 0;
