From patchwork Mon Nov 18 22:16:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 21975 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id 3D6DDC32F0 for ; Mon, 18 Nov 2024 22:17:04 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 95C5265EE4; Mon, 18 Nov 2024 23:17:03 +0100 (CET) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="wbIJQNW2"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id A813B65ED5 for ; Mon, 18 Nov 2024 23:16:48 +0100 (CET) Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 9A7F56DE for ; Mon, 18 Nov 2024 23:16:31 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1731968191; bh=kCGkI5awc1sOrdtp9sDY95oyT1K6jXBY+I7HgQyzjhw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=wbIJQNW2QiE4CQqkHu7odgt7K/4LOLbTR1n2+LxO2kVBhfSfHb3vdowLN9dL9cwMj v+g9wt7WDkI6NCDVJgksE20cwTYRgZEYWpls4kidy5BGyOC+UMCV8NQxa3msafzQmb iIoRQ5oToFsEkdodDPzXkBceyiiO9qD0+twEW1CY= From: Laurent Pinchart To: libcamera-devel@lists.libcamera.org Subject: [PATCH v3 15/17] ipa: rkisp1: awb: Use RGB class to store colour gains Date: Tue, 19 Nov 2024 00:16:16 +0200 Message-ID: <20241118221618.13953-16-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241118221618.13953-1-laurent.pinchart@ideasonboard.com> References: <20241118221618.13953-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Replace the manual storage of gains in the IPA active state and frame context with usage of the RGB class. This simplifies the code thanks to usage of the arithmetic functions provided by the RGB class. Signed-off-by: Laurent Pinchart Reviewed-by: Milan Zamazal --- src/ipa/rkisp1/algorithms/awb.cpp | 71 +++++++++++-------------------- src/ipa/rkisp1/ipa_context.cpp | 31 +------------- src/ipa/rkisp1/ipa_context.h | 20 ++------- 3 files changed, 32 insertions(+), 90 deletions(-) diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp index dbeaf81565ff..c330feff9f5d 100644 --- a/src/ipa/rkisp1/algorithms/awb.cpp +++ b/src/ipa/rkisp1/algorithms/awb.cpp @@ -47,12 +47,8 @@ Awb::Awb() int Awb::configure(IPAContext &context, const IPACameraSensorInfo &configInfo) { - context.activeState.awb.gains.manual.red = 1.0; - context.activeState.awb.gains.manual.blue = 1.0; - context.activeState.awb.gains.manual.green = 1.0; - context.activeState.awb.gains.automatic.red = 1.0; - context.activeState.awb.gains.automatic.blue = 1.0; - context.activeState.awb.gains.automatic.green = 1.0; + context.activeState.awb.gains.manual = RGB{ 1.0 }; + context.activeState.awb.gains.automatic = RGB{ 1.0 }; context.activeState.awb.autoEnabled = true; /* @@ -89,21 +85,17 @@ void Awb::queueRequest(IPAContext &context, const auto &colourGains = controls.get(controls::ColourGains); if (colourGains && !awb.autoEnabled) { - awb.gains.manual.red = (*colourGains)[0]; - awb.gains.manual.blue = (*colourGains)[1]; + awb.gains.manual.r() = (*colourGains)[0]; + awb.gains.manual.b() = (*colourGains)[1]; LOG(RkISP1Awb, Debug) - << "Set colour gains to red: " << awb.gains.manual.red - << ", blue: " << awb.gains.manual.blue; + << "Set colour gains to " << awb.gains.manual; } frameContext.awb.autoEnabled = awb.autoEnabled; - if (!awb.autoEnabled) { - frameContext.awb.gains.red = awb.gains.manual.red; - frameContext.awb.gains.green = 1.0; - frameContext.awb.gains.blue = awb.gains.manual.blue; - } + if (!awb.autoEnabled) + frameContext.awb.gains = awb.gains.manual; } /** @@ -116,19 +108,16 @@ void Awb::prepare(IPAContext &context, const uint32_t frame, * This is the latest time we can read the active state. This is the * most up-to-date automatic values we can read. */ - if (frameContext.awb.autoEnabled) { - frameContext.awb.gains.red = context.activeState.awb.gains.automatic.red; - frameContext.awb.gains.green = context.activeState.awb.gains.automatic.green; - frameContext.awb.gains.blue = context.activeState.awb.gains.automatic.blue; - } + if (frameContext.awb.autoEnabled) + frameContext.awb.gains = context.activeState.awb.gains.automatic; auto gainConfig = params->block(); gainConfig.setEnabled(true); - gainConfig->gain_green_b = std::clamp(256 * frameContext.awb.gains.green, 0, 0x3ff); - gainConfig->gain_blue = std::clamp(256 * frameContext.awb.gains.blue, 0, 0x3ff); - gainConfig->gain_red = std::clamp(256 * frameContext.awb.gains.red, 0, 0x3ff); - gainConfig->gain_green_r = std::clamp(256 * frameContext.awb.gains.green, 0, 0x3ff); + gainConfig->gain_green_b = std::clamp(256 * frameContext.awb.gains.g(), 0, 0x3ff); + gainConfig->gain_blue = std::clamp(256 * frameContext.awb.gains.b(), 0, 0x3ff); + gainConfig->gain_red = std::clamp(256 * frameContext.awb.gains.r(), 0, 0x3ff); + gainConfig->gain_green_r = std::clamp(256 * frameContext.awb.gains.g(), 0, 0x3ff); /* If we have already set the AWB measurement parameters, return. */ if (frame > 0) @@ -196,8 +185,8 @@ void Awb::process(IPAContext &context, metadata.set(controls::AwbEnable, frameContext.awb.autoEnabled); metadata.set(controls::ColourGains, { - static_cast(frameContext.awb.gains.red), - static_cast(frameContext.awb.gains.blue) + static_cast(frameContext.awb.gains.r()), + static_cast(frameContext.awb.gains.b()) }); metadata.set(controls::ColourTemperature, activeState.awb.temperatureK); @@ -253,12 +242,7 @@ void Awb::process(IPAContext &context, * divide by the gains that were used to get the raw means from the * sensor. */ - RGB gains{{ - frameContext.awb.gains.red, - frameContext.awb.gains.green, - frameContext.awb.gains.blue - }}; - rgbMeans /= gains; + rgbMeans /= frameContext.awb.gains; /* * If the means are too small we don't have enough information to @@ -278,8 +262,11 @@ void Awb::process(IPAContext &context, * gain is hardcoded to 1.0. Avoid divisions by zero by clamping the * divisor to a minimum value of 1.0. */ - double redGain = rgbMeans.g() / std::max(rgbMeans.r(), 1.0); - double blueGain = rgbMeans.g() / std::max(rgbMeans.b(), 1.0); + RGB gains({ + rgbMeans.g() / std::max(rgbMeans.r(), 1.0), + 1.0, + rgbMeans.g() / std::max(rgbMeans.b(), 1.0) + }); /* * Clamp the gain values to the hardware, which expresses gains as Q2.8 @@ -287,24 +274,18 @@ void Awb::process(IPAContext &context, * divisions by zero when computing the raw means in subsequent * iterations. */ - redGain = std::clamp(redGain, 1.0 / 256, 1023.0 / 256); - blueGain = std::clamp(blueGain, 1.0 / 256, 1023.0 / 256); + gains = gains.max(1.0 / 256).min(1023.0 / 256); /* Filter the values to avoid oscillations. */ double speed = 0.2; - redGain = speed * redGain + (1 - speed) * activeState.awb.gains.automatic.red; - blueGain = speed * blueGain + (1 - speed) * activeState.awb.gains.automatic.blue; + gains = gains * speed + activeState.awb.gains.automatic * (1 - speed); - activeState.awb.gains.automatic.red = redGain; - activeState.awb.gains.automatic.blue = blueGain; - activeState.awb.gains.automatic.green = 1.0; + activeState.awb.gains.automatic = gains; LOG(RkISP1Awb, Debug) << std::showpoint - << "Means " << rgbMeans - << ", gains [" << activeState.awb.gains.automatic.red << ", " - << activeState.awb.gains.automatic.green << ", " - << activeState.awb.gains.automatic.blue << "], temp " + << "Means " << rgbMeans << ", gains " + << activeState.awb.gains.automatic << ", temp " << activeState.awb.temperatureK << "K"; } diff --git a/src/ipa/rkisp1/ipa_context.cpp b/src/ipa/rkisp1/ipa_context.cpp index 14d0c02a2b32..8f545cd76d52 100644 --- a/src/ipa/rkisp1/ipa_context.cpp +++ b/src/ipa/rkisp1/ipa_context.cpp @@ -188,30 +188,12 @@ namespace libcamera::ipa::rkisp1 { * \struct IPAActiveState::awb.gains * \brief White balance gains * - * \struct IPAActiveState::awb.gains.manual + * \var IPAActiveState::awb.gains.manual * \brief Manual white balance gains (set through requests) * - * \var IPAActiveState::awb.gains.manual.red - * \brief Manual white balance gain for R channel - * - * \var IPAActiveState::awb.gains.manual.green - * \brief Manual white balance gain for G channel - * - * \var IPAActiveState::awb.gains.manual.blue - * \brief Manual white balance gain for B channel - * - * \struct IPAActiveState::awb.gains.automatic + * \var IPAActiveState::awb.gains.automatic * \brief Automatic white balance gains (computed by the algorithm) * - * \var IPAActiveState::awb.gains.automatic.red - * \brief Automatic white balance gain for R channel - * - * \var IPAActiveState::awb.gains.automatic.green - * \brief Automatic white balance gain for G channel - * - * \var IPAActiveState::awb.gains.automatic.blue - * \brief Automatic white balance gain for B channel - * * \var IPAActiveState::awb.temperatureK * \brief Estimated color temperature * @@ -333,15 +315,6 @@ namespace libcamera::ipa::rkisp1 { * \struct IPAFrameContext::awb.gains * \brief White balance gains * - * \var IPAFrameContext::awb.gains.red - * \brief White balance gain for R channel - * - * \var IPAFrameContext::awb.gains.green - * \brief White balance gain for G channel - * - * \var IPAFrameContext::awb.gains.blue - * \brief White balance gain for B channel - * * \var IPAFrameContext::awb.temperatureK * \brief Estimated color temperature * diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h index 7b93a9e9461d..b4dec0c3288d 100644 --- a/src/ipa/rkisp1/ipa_context.h +++ b/src/ipa/rkisp1/ipa_context.h @@ -25,6 +25,7 @@ #include #include #include +#include namespace libcamera { @@ -87,16 +88,8 @@ struct IPAActiveState { struct { struct { - struct { - double red; - double green; - double blue; - } manual; - struct { - double red; - double green; - double blue; - } automatic; + RGB manual; + RGB automatic; } gains; unsigned int temperatureK; @@ -140,12 +133,7 @@ struct IPAFrameContext : public FrameContext { } agc; struct { - struct { - double red; - double green; - double blue; - } gains; - + RGB gains; bool autoEnabled; } awb;