From: Ezequiel Garcia <ezequiel@collabora.com> To: linux-media@vger.kernel.org, Hans Verkuil <hans.verkuil@cisco.com> Cc: 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>, Philipp Zabel <p.zabel@pengutronix.de>, Boris Brezillon <boris.brezillon@collabora.com> Subject: [PATCH v6 02/16] media: v4l2-common: Add an helper to apply frmsize constraints Date: Tue, 28 May 2019 14:02:18 -0300 [thread overview] Message-ID: <20190528170232.2091-3-ezequiel@collabora.com> (raw) In-Reply-To: <20190528170232.2091-1-ezequiel@collabora.com> From: Boris Brezillon <boris.brezillon@collabora.com> The rockchip VPU driver is open-coding this logic which seems pretty generic. Let's provide an helper to apply the min/max and alignment constraints on width/height. Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> --- Changes from v5: * None Changes from v4: * New patch drivers/media/v4l2-core/v4l2-common.c | 27 +++++++++++++++++++++++++++ include/media/v4l2-common.h | 2 ++ 2 files changed, 29 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index 9417a883ebe3..b2d1e55d9561 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -331,6 +331,16 @@ static unsigned int clamp_align(unsigned int x, unsigned int min, return x; } +static unsigned int clamp_roundup(unsigned int x, unsigned int min, + unsigned int max, unsigned int alignment) +{ + x = clamp(x, min, max); + if (alignment) + x = round_up(x, alignment); + + return x; +} + void v4l_bound_align_image(u32 *w, unsigned int wmin, unsigned int wmax, unsigned int walign, u32 *h, unsigned int hmin, unsigned int hmax, @@ -541,6 +551,23 @@ static inline unsigned int v4l2_format_block_height(const struct v4l2_format_inf return info->block_h[plane]; } +void v4l2_apply_frmsize_constraints(u32 *width, u32 *height, + const struct v4l2_frmsize_stepwise *frmsize) +{ + if (!frmsize) + return; + + /* + * Clamp width/height to meet min/max constraints and round it up to + * macroblock alignment. + */ + *width = clamp_roundup(*width, frmsize->min_width, frmsize->max_width, + frmsize->step_width); + *height = clamp_roundup(*height, frmsize->min_height, frmsize->max_height, + frmsize->step_height); +} +EXPORT_SYMBOL_GPL(v4l2_apply_frmsize_constraints); + int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat, u32 width, u32 height) { diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 3226bc8107cc..e826b154bc35 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -420,6 +420,8 @@ struct v4l2_format_info { const struct v4l2_format_info *v4l2_format_info(u32 format); +void v4l2_apply_frmsize_constraints(u32 *width, u32 *height, + const struct v4l2_frmsize_stepwise *frmsize); int v4l2_fill_pixfmt(struct v4l2_pix_format *pixfmt, u32 pixelformat, u32 width, u32 height); int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat, -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Ezequiel Garcia <ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> To: linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Hans Verkuil <hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org> Cc: Nicolas Dufresne <nicolas.dufresne-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>, Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>, Jonas Karlman <jonas-uIzNG4q0ceqzQB+pC5nmwQ@public.gmane.org>, Tomasz Figa <tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Boris Brezillon <boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>, Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>, kernel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org Subject: [PATCH v6 02/16] media: v4l2-common: Add an helper to apply frmsize constraints Date: Tue, 28 May 2019 14:02:18 -0300 [thread overview] Message-ID: <20190528170232.2091-3-ezequiel@collabora.com> (raw) In-Reply-To: <20190528170232.2091-1-ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> From: Boris Brezillon <boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> The rockchip VPU driver is open-coding this logic which seems pretty generic. Let's provide an helper to apply the min/max and alignment constraints on width/height. Signed-off-by: Boris Brezillon <boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> --- Changes from v5: * None Changes from v4: * New patch drivers/media/v4l2-core/v4l2-common.c | 27 +++++++++++++++++++++++++++ include/media/v4l2-common.h | 2 ++ 2 files changed, 29 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index 9417a883ebe3..b2d1e55d9561 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -331,6 +331,16 @@ static unsigned int clamp_align(unsigned int x, unsigned int min, return x; } +static unsigned int clamp_roundup(unsigned int x, unsigned int min, + unsigned int max, unsigned int alignment) +{ + x = clamp(x, min, max); + if (alignment) + x = round_up(x, alignment); + + return x; +} + void v4l_bound_align_image(u32 *w, unsigned int wmin, unsigned int wmax, unsigned int walign, u32 *h, unsigned int hmin, unsigned int hmax, @@ -541,6 +551,23 @@ static inline unsigned int v4l2_format_block_height(const struct v4l2_format_inf return info->block_h[plane]; } +void v4l2_apply_frmsize_constraints(u32 *width, u32 *height, + const struct v4l2_frmsize_stepwise *frmsize) +{ + if (!frmsize) + return; + + /* + * Clamp width/height to meet min/max constraints and round it up to + * macroblock alignment. + */ + *width = clamp_roundup(*width, frmsize->min_width, frmsize->max_width, + frmsize->step_width); + *height = clamp_roundup(*height, frmsize->min_height, frmsize->max_height, + frmsize->step_height); +} +EXPORT_SYMBOL_GPL(v4l2_apply_frmsize_constraints); + int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat, u32 width, u32 height) { diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 3226bc8107cc..e826b154bc35 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -420,6 +420,8 @@ struct v4l2_format_info { const struct v4l2_format_info *v4l2_format_info(u32 format); +void v4l2_apply_frmsize_constraints(u32 *width, u32 *height, + const struct v4l2_frmsize_stepwise *frmsize); int v4l2_fill_pixfmt(struct v4l2_pix_format *pixfmt, u32 pixelformat, u32 width, u32 height); int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat, -- 2.20.1
next prev parent reply other threads:[~2019-05-28 17:03 UTC|newest] Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-28 17:02 [PATCH v6 00/16] Add MPEG-2 decoding to Rockchip VPU Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 01/16] media: v4l2-common: Fix v4l2_fill_pixfmt[_mp]() prototypes Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia [this message] 2019-05-28 17:02 ` [PATCH v6 02/16] media: v4l2-common: Add an helper to apply frmsize constraints Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 03/16] media: v4l2-common: Support custom imagesize in fill_pixfmt() Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-29 11:28 ` Mauro Carvalho Chehab 2019-05-29 11:28 ` Mauro Carvalho Chehab 2019-05-29 11:43 ` Hans Verkuil 2019-05-29 11:43 ` Hans Verkuil 2019-05-29 11:58 ` Mauro Carvalho Chehab 2019-05-29 11:58 ` Mauro Carvalho Chehab 2019-05-29 12:16 ` Boris Brezillon 2019-05-29 12:16 ` Boris Brezillon 2019-05-29 12:26 ` Mauro Carvalho Chehab 2019-05-29 12:26 ` Mauro Carvalho Chehab 2019-05-29 12:29 ` Mauro Carvalho Chehab 2019-05-29 12:29 ` Mauro Carvalho Chehab 2019-05-29 12:31 ` Boris Brezillon 2019-05-29 12:31 ` Boris Brezillon 2019-05-29 12:31 ` Hans Verkuil 2019-05-29 12:31 ` Hans Verkuil 2019-05-29 12:39 ` Boris Brezillon 2019-05-29 12:39 ` Boris Brezillon 2019-05-29 14:04 ` Ezequiel Garcia 2019-05-29 14:04 ` Ezequiel Garcia 2019-05-29 14:06 ` Boris Brezillon 2019-05-29 14:06 ` Boris Brezillon 2019-05-29 14:17 ` Boris Brezillon 2019-05-29 14:17 ` Boris Brezillon 2019-05-29 14:47 ` Ezequiel Garcia 2019-05-29 14:47 ` Ezequiel Garcia 2019-05-29 13:54 ` Nicolas Dufresne 2019-05-29 13:54 ` Nicolas Dufresne 2019-05-29 14:02 ` Mauro Carvalho Chehab 2019-05-29 14:02 ` Mauro Carvalho Chehab 2019-05-28 17:02 ` [PATCH v6 04/16] rockchip/vpu: Use v4l2_apply_frmsize_constraints() where appropriate Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 05/16] rockchip/vpu: Open-code media controller register Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 06/16] rockchip/vpu: Support the Request API Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 07/16] rockchip/vpu: Rename rockchip_vpu_common.h into rockchip_vpu_v4l2.h Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 08/16] rockchip/vpu: Move encoder logic to a common place Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 09/16] rockchip/vpu: Provide a helper to reset both src and dst formats Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 10/16] rockchip/vpu: Prepare things to support decoders Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 11/16] rockchip/vpu: Add decoder boilerplate Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 12/16] rockchip/vpu: Add support for non-standard controls Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 13/16] rockchip/vpu: Add infra to support MPEG-2 decoding Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 14/16] rockchip/vpu: Add MPEG2 decoding support to RK3399 Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 15/16] rockchip/vpu: Add support for MPEG-2 decoding on RK3288 Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-28 17:02 ` [PATCH v6 16/16] rockchip/vpu: Add support for MPEG-2 decoding on RK3328 Ezequiel Garcia 2019-05-28 17:02 ` Ezequiel Garcia 2019-05-29 8:11 ` Hans Verkuil 2019-05-29 8:11 ` Hans Verkuil 2019-05-29 8:50 ` Jonas Karlman 2019-05-29 8:50 ` Jonas Karlman 2019-05-29 9:00 ` Hans Verkuil 2019-05-29 9:00 ` Hans Verkuil 2019-05-29 14:59 ` Ezequiel Garcia 2019-05-29 14:59 ` Ezequiel Garcia
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