Re: [RESEND PATCH v4 4/4] media: chips-media: wave5: Support YUV422 raw pixel-formats on the encoder.

[Nicolas Dufresne]

Le vendredi 10 mai 2024 à 20:22 +0900, Jackson Lee a écrit :
> From: "Jackson.lee" <jackson.lee@xxxxxxxxxxxxxxx>
> 
> Add support for the YUV422P, NV16, NV61, YUV422M, NV16M,
> NV61M raw pixel-formats to the Wave5 encoder.
> 
> All these formats have a chroma subsampling ratio of 4:2:2 and
> therefore require a new image size calculation as the driver
> previously only handled a ratio of 4:2:0.
> 
> Signed-off-by: Jackson.lee <jackson.lee@xxxxxxxxxxxxxxx>
> Signed-off-by: Nas Chung <nas.chung@xxxxxxxxxxxxxxx>

Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>

> ---
>  .../chips-media/wave5/wave5-vpu-enc.c         | 81 +++++++++++++++----
>  1 file changed, 67 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
> index 75d230df45f6..3f148e1b0513 100644
> --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
> +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c
> @@ -66,6 +66,24 @@ static const struct vpu_format enc_fmt_list[FMT_TYPES][MAX_FMTS] = {
>  			.v4l2_pix_fmt = V4L2_PIX_FMT_NV21M,
>  			.v4l2_frmsize = &enc_frmsize[VPU_FMT_TYPE_RAW],
>  		},
> +		{
> +			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV422P,
> +		},
> +		{
> +			.v4l2_pix_fmt = V4L2_PIX_FMT_NV16,
> +		},
> +		{
> +			.v4l2_pix_fmt = V4L2_PIX_FMT_NV61,
> +		},
> +		{
> +			.v4l2_pix_fmt = V4L2_PIX_FMT_YUV422M,
> +		},
> +		{
> +			.v4l2_pix_fmt = V4L2_PIX_FMT_NV16M,
> +		},
> +		{
> +			.v4l2_pix_fmt = V4L2_PIX_FMT_NV61M,
> +		},
>  	}
>  };
>  
> @@ -109,13 +127,26 @@ static int start_encode(struct vpu_instance *inst, u32 *fail_res)
>  	struct vb2_v4l2_buffer *dst_buf;
>  	struct frame_buffer frame_buf;
>  	struct enc_param pic_param;
> -	u32 stride = ALIGN(inst->dst_fmt.width, 32);
> -	u32 luma_size = (stride * inst->dst_fmt.height);
> -	u32 chroma_size = ((stride / 2) * (inst->dst_fmt.height / 2));
> +	const struct v4l2_format_info *info;
> +	u32 stride = inst->src_fmt.plane_fmt[0].bytesperline;
> +	u32 luma_size = 0;
> +	u32 chroma_size = 0;
>  
>  	memset(&pic_param, 0, sizeof(struct enc_param));
>  	memset(&frame_buf, 0, sizeof(struct frame_buffer));
>  
> +	info = v4l2_format_info(inst->src_fmt.pixelformat);
> +	if (!info)
> +		return -EINVAL;
> +
> +	if (info->mem_planes == 1) {
> +		luma_size = stride * inst->dst_fmt.height;
> +		chroma_size = luma_size / (info->hdiv * info->vdiv);
> +	} else {
> +		luma_size = inst->src_fmt.plane_fmt[0].sizeimage;
> +		chroma_size = inst->src_fmt.plane_fmt[1].sizeimage;
> +	}
> +
>  	dst_buf = v4l2_m2m_next_dst_buf(m2m_ctx);
>  	if (!dst_buf) {
>  		dev_dbg(inst->dev->dev, "%s: No destination buffer found\n", __func__);
> @@ -479,6 +510,7 @@ static int wave5_vpu_enc_s_fmt_out(struct file *file, void *fh, struct v4l2_form
>  {
>  	struct vpu_instance *inst = wave5_to_vpu_inst(fh);
>  	const struct vpu_format *vpu_fmt;
> +	const struct v4l2_format_info *info;
>  	int i, ret;
>  
>  	dev_dbg(inst->dev->dev, "%s: fourcc: %u width: %u height: %u num_planes: %u field: %u\n",
> @@ -500,16 +532,20 @@ static int wave5_vpu_enc_s_fmt_out(struct file *file, void *fh, struct v4l2_form
>  		inst->src_fmt.plane_fmt[i].sizeimage = f->fmt.pix_mp.plane_fmt[i].sizeimage;
>  	}
>  
> -	if (inst->src_fmt.pixelformat == V4L2_PIX_FMT_NV12 ||
> -	    inst->src_fmt.pixelformat == V4L2_PIX_FMT_NV12M) {
> -		inst->cbcr_interleave = true;
> -		inst->nv21 = false;
> -	} else if (inst->src_fmt.pixelformat == V4L2_PIX_FMT_NV21 ||
> -		   inst->src_fmt.pixelformat == V4L2_PIX_FMT_NV21M) {
> -		inst->cbcr_interleave = true;
> +	info = v4l2_format_info(inst->src_fmt.pixelformat);
> +	if (!info)
> +		return -EINVAL;
> +
> +	inst->cbcr_interleave = (info->comp_planes == 2) ? true : false;
> +
> +	switch (inst->src_fmt.pixelformat) {
> +	case V4L2_PIX_FMT_NV21:
> +	case V4L2_PIX_FMT_NV21M:
> +	case V4L2_PIX_FMT_NV61:
> +	case V4L2_PIX_FMT_NV61M:
>  		inst->nv21 = true;
> -	} else {
> -		inst->cbcr_interleave = false;
> +		break;
> +	default:
>  		inst->nv21 = false;
>  	}
>  
> @@ -1095,13 +1131,23 @@ static void wave5_vpu_enc_buf_queue(struct vb2_buffer *vb)
>  	v4l2_m2m_buf_queue(m2m_ctx, vbuf);
>  }
>  
> -static void wave5_set_enc_openparam(struct enc_open_param *open_param,
> +static int wave5_set_enc_openparam(struct enc_open_param *open_param,
>  				    struct vpu_instance *inst)
>  {
>  	struct enc_wave_param input = inst->enc_param;
> +	const struct v4l2_format_info *info;
>  	u32 num_ctu_row = ALIGN(inst->dst_fmt.height, 64) / 64;
>  	u32 num_mb_row = ALIGN(inst->dst_fmt.height, 16) / 16;
>  
> +	info = v4l2_format_info(inst->src_fmt.pixelformat);
> +	if (!info)
> +		return -EINVAL;
> +
> +	if (info->hdiv == 2 && info->vdiv == 1)
> +		open_param->src_format = FORMAT_422;
> +	else
> +		open_param->src_format = FORMAT_420;
> +
>  	open_param->wave_param.gop_preset_idx = PRESET_IDX_IPP_SINGLE;
>  	open_param->wave_param.hvs_qp_scale = 2;
>  	open_param->wave_param.hvs_max_delta_qp = 10;
> @@ -1190,6 +1236,8 @@ static void wave5_set_enc_openparam(struct enc_open_param *open_param,
>  			open_param->wave_param.intra_refresh_arg = num_ctu_row;
>  	}
>  	open_param->wave_param.forced_idr_header_enable = input.forced_idr_header_enable;
> +
> +	return 0;
>  }
>  
>  static int initialize_sequence(struct vpu_instance *inst)
> @@ -1285,7 +1333,12 @@ static int wave5_vpu_enc_start_streaming(struct vb2_queue *q, unsigned int count
>  
>  		memset(&open_param, 0, sizeof(struct enc_open_param));
>  
> -		wave5_set_enc_openparam(&open_param, inst);
> +		ret = wave5_set_enc_openparam(&open_param, inst);
> +		if (ret) {
> +			dev_dbg(inst->dev->dev, "%s: wave5_set_enc_openparam, fail: %d\n",
> +				__func__, ret);
> +			goto return_buffers;
> +		}
>  
>  		ret = wave5_vpu_enc_open(inst, &open_param);
>  		if (ret) {