From: Boris Brezillon <boris.brezillon@collabora.com> To: Mauro Carvalho Chehab <mchehab@kernel.org>, Hans Verkuil <hans.verkuil@cisco.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Sakari Ailus <sakari.ailus@iki.fi>, linux-media@vger.kernel.org Cc: Tomasz Figa <tfiga@chromium.org>, Nicolas Dufresne <nicolas@ndufresne.ca>, kernel@collabora.com, Paul Kocialkowski <paul.kocialkowski@bootlin.com>, Ezequiel Garcia <ezequiel@collabora.com>, Jonas Karlman <jonas@kwiboo.se>, linux-rockchip@lists.infradead.org, Heiko Stuebner <heiko@sntech.de>, Boris Brezillon <boris.brezillon@collabora.com> Subject: [PATCH v5 02/15] media: v4l2-common: Add an helper to apply frmsize constraints Date: Fri, 3 May 2019 13:47:06 +0200 [thread overview] Message-ID: <20190503114719.28784-3-boris.brezillon@collabora.com> (raw) In-Reply-To: <20190503114719.28784-1-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 in v5: * 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 6ae84aa1f7a9..3c6f5c115fc5 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, @@ -519,6 +529,23 @@ 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: Boris Brezillon <boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> To: Mauro Carvalho Chehab <mchehab-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Hans Verkuil <hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>, Laurent Pinchart <laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>, Sakari Ailus <sakari.ailus-X3B1VOXEql0@public.gmane.org>, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Tomasz Figa <tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>, Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>, Jonas Karlman <jonas-uIzNG4q0ceqzQB+pC5nmwQ@public.gmane.org>, Nicolas Dufresne <nicolas-dDhyB4GVkw9AFePFGvp55w@public.gmane.org>, Paul Kocialkowski <paul.kocialkowski-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Boris Brezillon <boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>, kernel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org, Ezequiel Garcia <ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> Subject: [PATCH v5 02/15] media: v4l2-common: Add an helper to apply frmsize constraints Date: Fri, 3 May 2019 13:47:06 +0200 [thread overview] Message-ID: <20190503114719.28784-3-boris.brezillon@collabora.com> (raw) In-Reply-To: <20190503114719.28784-1-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 in v5: * 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 6ae84aa1f7a9..3c6f5c115fc5 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, @@ -519,6 +529,23 @@ 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:[~2019-05-03 11:47 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-03 11:47 [PATCH v5 00/15] Add MPEG-2 decoding to Rockchip VPU Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 01/15] media: v4l2-common: Fix v4l2_fill_pixfmt[_mp]() prototypes Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon [this message] 2019-05-03 11:47 ` [PATCH v5 02/15] media: v4l2-common: Add an helper to apply frmsize constraints Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 03/15] media: v4l2-common: Support custom imagesize/bytesperline in fill_pixfmt() Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-10 8:57 ` Hans Verkuil 2019-05-10 8:57 ` Hans Verkuil 2019-05-10 11:28 ` Laurent Pinchart 2019-05-10 11:28 ` Laurent Pinchart 2019-05-10 12:17 ` Hans Verkuil 2019-05-10 12:17 ` Hans Verkuil 2019-05-10 12:24 ` Laurent Pinchart 2019-05-10 12:24 ` Laurent Pinchart 2019-05-10 12:30 ` Hans Verkuil 2019-05-10 12:30 ` Hans Verkuil 2019-05-10 13:51 ` Nicolas Dufresne 2019-05-10 13:51 ` Nicolas Dufresne 2019-05-10 14:07 ` Hans Verkuil 2019-05-10 14:07 ` Hans Verkuil 2019-05-10 16:01 ` Nicolas Dufresne 2019-05-10 16:01 ` Nicolas Dufresne 2019-05-03 11:47 ` [PATCH v5 04/15] rockchip/vpu: Use v4l2_apply_frmsize_constraints() where appropriate Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 05/15] rockchip/vpu: Open-code media controller register Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 06/15] rockchip/vpu: Support the Request API Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 07/15] rockchip/vpu: Rename rockchip_vpu_common.h into rockchip_vpu_v4l2.h Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 08/15] rockchip/vpu: Move encoder logic to a common place Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 09/15] rockchip/vpu: Provide a helper to reset both src and dst formats Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 10/15] rockchip/vpu: Prepare things to support decoders Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 11/15] rockchip/vpu: Add decoder boilerplate Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 12/15] rockchip/vpu: Add support for non-standard controls Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 13/15] rockchip/vpu: Add infra to support MPEG-2 decoding Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 14/15] rockchip/vpu: Add MPEG2 decoding support to RK3399 Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon 2019-05-03 11:47 ` [PATCH v5 15/15] rockchip/vpu: Add support for MPEG-2 decoding on RK3288 Boris Brezillon 2019-05-03 11:47 ` Boris Brezillon
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