From: Emil Velikov <emil.velikov@collabora.com>
To: Ezequiel Garcia <ezequiel@collabora.com>
Cc: linux-media@vger.kernel.org,
Hans Verkuil <hans.verkuil@cisco.com>,
kernel@collabora.com,
Nicolas Dufresne <nicolas.dufresne@collabora.com>,
Tomasz Figa <tfiga@chromium.org>,
linux-rockchip@lists.infradead.org,
Heiko Stuebner <heiko@sntech.de>, Jonas Karlman <jonas@kwiboo.se>
Subject: Re: [PATCH v2 02/11] media: Introduce helpers to fill pixel format structs
Date: Mon, 25 Mar 2019 14:32:08 +0000 [thread overview]
Message-ID: <20190325143207.GA24966@arch-x1c3> (raw)
In-Reply-To: <20190304192529.14200-3-ezequiel@collabora.com>
Hi Ezequiel,
On 2019/03/04, Ezequiel Garcia wrote:
> +
> +/* Pixel format and FourCC helpers */
> +
> +/**
> + * struct v4l2_format_info - information about a V4L2 format
> + * @format: 4CC format identifier (V4L2_PIX_FMT_*)
> + * @mem_planes: Number of memory planes, which includes the alpha plane (1 to 4).
> + * @comp_planes: Number of component planes, which includes the alpha plane (1 to 4).
> + * @bpp: Array of per-plane bytes per pixel
> + * @hdiv: Horizontal chroma subsampling factor
> + * @vdiv: Vertical chroma subsampling factor
> + */
> +struct v4l2_format_info {
> + u32 format;
> + u8 mem_planes;
> + u8 comp_planes;
> + u8 bpp[4];
> + u8 hdiv;
> + u8 vdiv;
> + u8 block_w[4];
> + u8 block_h[4];
Please don't forget to document block_[wh]. Plus you can draw some extra
inspiration from drm_format_info in include/drm/drm_fourcc.h ;-)
HTH
Emil
next prev parent reply other threads:[~2019-03-25 14:37 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-04 19:25 [PATCH v2 00/11] Add MPEG-2 decoding to Rockchip VPU Ezequiel Garcia
2019-03-04 19:25 ` [PATCH v2 01/11] rockchip/vpu: Rename pixel format helpers Ezequiel Garcia
2019-03-04 19:25 ` [PATCH v2 02/11] media: Introduce helpers to fill pixel format structs Ezequiel Garcia
2019-03-12 8:29 ` Hans Verkuil
2019-03-22 17:29 ` Ezequiel Garcia
2019-03-25 14:32 ` Emil Velikov [this message]
2019-03-04 19:25 ` [PATCH v2 03/11] rockchip/vpu: Use pixel format helpers Ezequiel Garcia
2019-03-04 19:25 ` [PATCH v2 04/11] rockchip/vpu: Use v4l2_m2m_buf_copy_metadata Ezequiel Garcia
2019-03-04 19:25 ` [PATCH v2 05/11] rockchip/vpu: Cleanup macroblock alignment Ezequiel Garcia
2019-03-04 19:25 ` [PATCH v2 06/11] rockchip/vpu: Cleanup JPEG bounce buffer management Ezequiel Garcia
2019-03-28 6:15 ` Tomasz Figa
2019-03-28 18:30 ` Ezequiel Garcia
2019-03-29 3:21 ` Tomasz Figa
2019-03-04 19:25 ` [PATCH v2 07/11] rockchip/vpu: Open-code media controller register Ezequiel Garcia
2019-03-28 7:11 ` Tomasz Figa
2019-03-28 20:05 ` Ezequiel Garcia
2019-03-29 7:43 ` Tomasz Figa
2019-03-04 19:25 ` [PATCH v2 08/11] rockchip/vpu: Support the Request API Ezequiel Garcia
2019-03-28 7:20 ` Tomasz Figa
2019-03-28 13:59 ` Hans Verkuil
2019-03-29 3:23 ` Tomasz Figa
2019-03-28 19:07 ` Ezequiel Garcia
2019-03-04 19:25 ` [PATCH v2 09/11] rockchip/vpu: Add decoder boilerplate Ezequiel Garcia
2019-03-28 9:57 ` Tomasz Figa
2019-03-28 19:23 ` Ezequiel Garcia
2019-03-29 7:40 ` Tomasz Figa
2019-03-04 19:25 ` [PATCH v2 10/11] rockchip/vpu: Add support for non-standard controls Ezequiel Garcia
2019-04-01 3:14 ` Tomasz Figa
2019-04-12 19:25 ` Ezequiel Garcia
2019-04-15 4:07 ` Tomasz Figa
2019-03-04 19:25 ` [PATCH v2 11/11] rockchip/vpu: Add support for MPEG-2 decoding Ezequiel Garcia
2019-04-01 3:52 ` Tomasz Figa
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