Re: [PATCH v5 2/3] media: test-drivers: Use V4L2_FMT_FLAG_ENUM_ALL flag

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On 22/07/2024 17:05, Benjamin Gaignard wrote:
> Since V4L2_FMT_FLAG_ENUM_ALL flag mostly targeting stateless
> decoder pixel formats enumeration, update vicodec visl test
> drivers to use it.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
> ---
>  drivers/media/test-drivers/vicodec/vicodec-core.c |  7 ++++---
>  drivers/media/test-drivers/visl/visl-video.c      | 11 +++++++----
>  2 files changed, 11 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c
> index 3e011fe62ae1..1b4cd8ddd7c2 100644
> --- a/drivers/media/test-drivers/vicodec/vicodec-core.c
> +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c
> @@ -706,6 +706,7 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx,
>  		    bool is_out)
>  {
>  	bool is_uncomp = (ctx->is_enc && is_out) || (!ctx->is_enc && !is_out);
> +	u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL;

This is not what I am looking for: to properly test this in v4l2-compliance this
flag actually has to make a difference in the result. I.e. you actually have to
add some limitation. This might be easier to do in visl than vicodec. As long as
at least one test-driver support this, then that's good enough for me.

Regards,

	Hans

>  
>  	if (V4L2_TYPE_IS_MULTIPLANAR(f->type) && !multiplanar)
>  		return -EINVAL;
> @@ -718,18 +719,18 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx,
>  
>  		if (ctx->is_enc ||
>  		    !vb2_is_streaming(&ctx->fh.m2m_ctx->cap_q_ctx.q))
> -			info = v4l2_fwht_get_pixfmt(f->index);
> +			info = v4l2_fwht_get_pixfmt(index);
>  		else
>  			info = v4l2_fwht_find_nth_fmt(info->width_div,
>  						     info->height_div,
>  						     info->components_num,
>  						     info->pixenc,
> -						     f->index);
> +						     index);
>  		if (!info)
>  			return -EINVAL;
>  		f->pixelformat = info->id;
>  	} else {
> -		if (f->index)
> +		if (index)
>  			return -EINVAL;
>  		f->pixelformat = ctx->is_stateless ?
>  			V4L2_PIX_FMT_FWHT_STATELESS : V4L2_PIX_FMT_FWHT;
> diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/test-drivers/visl/visl-video.c
> index f8d970319764..c5f3e13b4198 100644
> --- a/drivers/media/test-drivers/visl/visl-video.c
> +++ b/drivers/media/test-drivers/visl/visl-video.c
> @@ -341,21 +341,24 @@ static int visl_enum_fmt_vid_cap(struct file *file, void *priv,
>  				 struct v4l2_fmtdesc *f)
>  {
>  	struct visl_ctx *ctx = visl_file_to_ctx(file);
> +	u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL;
>  
> -	if (f->index >= ctx->coded_format_desc->num_decoded_fmts)
> +	if (index >= ctx->coded_format_desc->num_decoded_fmts)
>  		return -EINVAL;
>  
> -	f->pixelformat = ctx->coded_format_desc->decoded_fmts[f->index];
> +	f->pixelformat = ctx->coded_format_desc->decoded_fmts[index];
>  	return 0;
>  }
>  
>  static int visl_enum_fmt_vid_out(struct file *file, void *priv,
>  				 struct v4l2_fmtdesc *f)
>  {
> -	if (f->index >= ARRAY_SIZE(visl_coded_fmts))
> +	u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL;
> +
> +	if (index >= ARRAY_SIZE(visl_coded_fmts))
>  		return -EINVAL;
>  
> -	f->pixelformat = visl_coded_fmts[f->index].pixelformat;
> +	f->pixelformat = visl_coded_fmts[index].pixelformat;
>  	return 0;
>  }
>  





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