From patchwork Tue Jun 18 19:46:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Karlman X-Patchwork-Id: 806204 Received: from smtp.forwardemail.net (smtp.forwardemail.net [149.28.215.223]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5994A15E5C3 for ; Tue, 18 Jun 2024 19:47:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=149.28.215.223 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718740044; cv=none; b=QoN+PIlixjfmxMevUhvBRnMPJ3gWBUSkWKPZQCpS6EL0ozTtJT/abeDg7PqgwFu7jXv7gS8f3mNIOYaTggt+XzpIjpPhtZoQ8JolXKFQkLv5JJ61ueuWN5vHrCYfHe/evfRD6yEEH4vsr/y/lVeP6ZZhbiEDx9ZCRB3TgU6NlEg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718740044; c=relaxed/simple; bh=ebV/XqmTJBV2qr6WY+LpZiNUBYoPi3SbUHc7dUlxhlY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fzlplee97pNU5YKgllAe+YgL03SqO5Dg0Y52hsp0XuTmRaCVz4/kHmkycBnzSQfj4UzhoaV1s9+2U9iyfbWthggX4+m2bqxQmcF83si/GavRuSccJmFz77IA/EWVqoB2MqLkug962WzzudVNx0hu5WMCuu+f50oDmfqJ8/C7KNY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kwiboo.se; spf=pass smtp.mailfrom=fe-bounces.kwiboo.se; dkim=pass (2048-bit key) header.d=kwiboo.se header.i=@kwiboo.se header.b=HXO0CXhA; arc=none smtp.client-ip=149.28.215.223 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kwiboo.se Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fe-bounces.kwiboo.se Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kwiboo.se header.i=@kwiboo.se header.b="HXO0CXhA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-e1b5cab7be; t=1718740021; bh=XP+PQQpBG4wSocp1mSz4RzoXp8YVq7y4W8nQ4GpBj2g=; b=HXO0CXhAa9Ny8vvBFFYE3H06AAAp2Cp0AcxaogMXz6bkwrpTRDrX6yGgY+KRlK5hW3ne7jMot Lsjv0H6WXD/HHY8kvtWW5Qv2CH2n0s/PBbN5BG4F2mUXRqiOirCHbgHutjulTpJr35gosuAE6Im tw8HNNmcCIU4FcUP8V7l3c5lyFtg6Vw4VNMQQ3Kcn2FW+kzHssqUfns1dqOSFBDKiPVS0ueweSp DncomTCi7kK/ESwxDFapxd9Bn378GYi/K0re52FUJfsBuSgoyFfOWdwCa4JUXopKyVAo3+2SJmM gVxJmmbqnAe6eXaHn0/PQVf4RvMF4Ta1gtG067oNQ8sQ== From: Jonas Karlman To: Ezequiel Garcia , Mauro Carvalho Chehab , Hans Verkuil Cc: Alex Bee , Nicolas Dufresne , Benjamin Gaignard , Sebastian Fricke , Christopher Obbard , Detlev Casanova , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Jonas Karlman Subject: [PATCH v5 01/10] media: v4l2-common: Add helpers to calculate bytesperline and sizeimage Date: Tue, 18 Jun 2024 19:46:25 +0000 Message-ID: <20240618194647.742037-2-jonas@kwiboo.se> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240618194647.742037-1-jonas@kwiboo.se> References: <20240618194647.742037-1-jonas@kwiboo.se> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Report-Abuse-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Complaints-To: abuse@forwardemail.net X-ForwardEmail-Version: 0.4.40 X-ForwardEmail-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 149.28.215.223 X-ForwardEmail-ID: 6671e43264ade33c90059f78 Add helper functions to calculate plane bytesperline and sizeimage, these new helpers consider bpp div, block width and height when calculating plane bytesperline and sizeimage. Signed-off-by: Jonas Karlman Tested-by: Nicolas Dufresne Tested-by: Christopher Obbard --- v5: - Collect t-b tags v4: - No change v3: - Consider bpp_div in calculation drivers/media/v4l2-core/v4l2-common.c | 78 +++++++++++++-------------- 1 file changed, 39 insertions(+), 39 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index 4165c815faef..9f749384a4f5 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -355,6 +355,34 @@ static inline unsigned int v4l2_format_block_height(const struct v4l2_format_inf return info->block_h[plane]; } +static inline unsigned int v4l2_format_plane_width(const struct v4l2_format_info *info, int plane, + unsigned int width) +{ + unsigned int hdiv = plane ? info->hdiv : 1; + unsigned int aligned_width = + ALIGN(width, v4l2_format_block_width(info, plane)); + + return DIV_ROUND_UP(aligned_width, hdiv) * + info->bpp[plane] / info->bpp_div[plane]; +} + +static inline unsigned int v4l2_format_plane_height(const struct v4l2_format_info *info, int plane, + unsigned int height) +{ + unsigned int vdiv = plane ? info->vdiv : 1; + unsigned int aligned_height = + ALIGN(height, v4l2_format_block_height(info, plane)); + + return DIV_ROUND_UP(aligned_height, vdiv); +} + +static inline unsigned int v4l2_format_plane_size(const struct v4l2_format_info *info, int plane, + unsigned int width, unsigned int height) +{ + return v4l2_format_plane_width(info, plane, width) * + v4l2_format_plane_height(info, plane, height); +} + void v4l2_apply_frmsize_constraints(u32 *width, u32 *height, const struct v4l2_frmsize_stepwise *frmsize) { @@ -390,37 +418,19 @@ int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, if (info->mem_planes == 1) { plane = &pixfmt->plane_fmt[0]; - plane->bytesperline = ALIGN(width, v4l2_format_block_width(info, 0)) * info->bpp[0] / info->bpp_div[0]; + plane->bytesperline = v4l2_format_plane_width(info, 0, width); plane->sizeimage = 0; - for (i = 0; i < info->comp_planes; i++) { - unsigned int hdiv = (i == 0) ? 1 : info->hdiv; - unsigned int vdiv = (i == 0) ? 1 : info->vdiv; - unsigned int aligned_width; - unsigned int aligned_height; - - aligned_width = ALIGN(width, v4l2_format_block_width(info, i)); - aligned_height = ALIGN(height, v4l2_format_block_height(info, i)); - - plane->sizeimage += info->bpp[i] * - DIV_ROUND_UP(aligned_width, hdiv) * - DIV_ROUND_UP(aligned_height, vdiv) / info->bpp_div[i]; - } + for (i = 0; i < info->comp_planes; i++) + plane->sizeimage += + v4l2_format_plane_size(info, i, width, height); } else { for (i = 0; i < info->comp_planes; i++) { - unsigned int hdiv = (i == 0) ? 1 : info->hdiv; - unsigned int vdiv = (i == 0) ? 1 : info->vdiv; - unsigned int aligned_width; - unsigned int aligned_height; - - aligned_width = ALIGN(width, v4l2_format_block_width(info, i)); - aligned_height = ALIGN(height, v4l2_format_block_height(info, i)); - plane = &pixfmt->plane_fmt[i]; plane->bytesperline = - info->bpp[i] * DIV_ROUND_UP(aligned_width, hdiv) / info->bpp_div[i]; - plane->sizeimage = - plane->bytesperline * DIV_ROUND_UP(aligned_height, vdiv); + v4l2_format_plane_width(info, i, width); + plane->sizeimage = plane->bytesperline * + v4l2_format_plane_height(info, i, height); } } return 0; @@ -444,22 +454,12 @@ int v4l2_fill_pixfmt(struct v4l2_pix_format *pixfmt, u32 pixelformat, pixfmt->width = width; pixfmt->height = height; pixfmt->pixelformat = pixelformat; - pixfmt->bytesperline = ALIGN(width, v4l2_format_block_width(info, 0)) * info->bpp[0] / info->bpp_div[0]; + pixfmt->bytesperline = v4l2_format_plane_width(info, 0, width); pixfmt->sizeimage = 0; - for (i = 0; i < info->comp_planes; i++) { - unsigned int hdiv = (i == 0) ? 1 : info->hdiv; - unsigned int vdiv = (i == 0) ? 1 : info->vdiv; - unsigned int aligned_width; - unsigned int aligned_height; - - aligned_width = ALIGN(width, v4l2_format_block_width(info, i)); - aligned_height = ALIGN(height, v4l2_format_block_height(info, i)); - - pixfmt->sizeimage += info->bpp[i] * - DIV_ROUND_UP(aligned_width, hdiv) * - DIV_ROUND_UP(aligned_height, vdiv) / info->bpp_div[i]; - } + for (i = 0; i < info->comp_planes; i++) + pixfmt->sizeimage += + v4l2_format_plane_size(info, i, width, height); return 0; } EXPORT_SYMBOL_GPL(v4l2_fill_pixfmt);