[{"id":37351,"web_url":"https://patchwork.libcamera.org/comment/37351/","msgid":"<85ldj7pe9y.fsf@mzamazal-thinkpadp1gen7.tpbc.csb>","date":"2025-12-12T21:43:21","subject":"Re: [PATCH v17 0/7] Enable raw streams with software ISP","submitter":{"id":177,"url":"https://patchwork.libcamera.org/api/people/177/","name":"Milan Zamazal","email":"mzamazal@redhat.com"},"content":"I think Umang's and my work on this patch series is done, all the\npatches are Reviewed-By Umang now and CI is happy\n(https://gitlab.freedesktop.org/camera/libcamera-softisp/-/pipelines/1560575).\nUnless there are further comments from anybody, it might be worth to\nretest this version independently: https://gitlab.freedesktop.org/camera/libcamera-softisp/-/tree/pdm-raw-simple?ref_type=heads\n\nMilan Zamazal writes:\n\n> This makes raw streams working again in ‘simple’ pipeline when software\n> ISP is enabled for the given device. At most one raw stream and one\n> processed stream (possibly both at once) are supported.\n>\n> An example ‘cam’ invocation requesting a raw stream rather than a debayered stream:\n>\n> cam -c1 -C8 -s role=raw,width=1920,height=1080 -Ffile#.raw\n>\n> Or for both raw and processed streams:\n>\n> cam -c1 -C8 -Ffile# \\\n> -s role=viewfinder,width=1920,height=1080,pixelformat=RGB888 \\\n> -s role=raw,width=3280,height=2464,pixelformat=SRGGB8\n>\n> When only a raw stream is requested, there are no exposure/gain\n> adjustments applied. This could be improved in future, once software\n> ISP gets a mechanism to gather image statistics without processing and\n> using them to make the adjustments, or once manual exposure controls are\n> added to software ISP. In the meantime, exposure must be changed\n> externally.\n>\n> Tested-by: Kieran Bingham \n> Tested-by: Pavel Machek \n>\n> Changes in v17:\n> - The patch moving colour space logging took out of the series.\n> - A comment about stream sizes changed to plural.\n> - Logging message of max stream sizes improved as suggested by Umang.\n> - The patch handling max stream sizes squashed to the validation patch\n> as requested by Umang.\n>\n> Changes in v16:\n> - Buffer completion with processed+raw streams fixed as suggested by\n> Umang.\n> - A spelling fix.\n> - Patch fixing a misplaced LOG added.\n> - Patch fixing invalid raw stream size adjustment added.\n>\n> Changes in v15:\n> - The removed useConversion_ part of the condition for request\n> completion on error returned back.\n> - Missing Reviewed-by tags added.\n> - Duplicate Signed-off-by tags.\n>\n> Changes in v14:\n> - Some redundant conditions removed.\n> - Missing data->rawStream_ reset to nullptr added in configure.\n> - SimpleCameraConfiguration::validate() brought close to Umang’s version.\n> - Spelling typo in log messages fixed.\n>\n> Changes in v13:\n> - The redundant check for multiple raw streams in\n> SimplePipelineHandler::configure() removed.\n> - Typo in a source code comment fixed.\n> - Information about the number of streams in a commit message corrected.\n>\n> Changes in v12:\n> - Formatting change suggested by Laurent.\n> - The patch setting the number of software ISP streams moved after the\n> patches enabling raw streams.\n> - Colour spaces are set and validated according to the pixel format and\n> only pixel format.\n>\n> Changes in v11:\n> - Use rawStream_ pointer to a raw stream rather than rawRequested_ and\n> processedRequested_ flags, as suggested by Umang.\n> - Selection of pipeline configurations reworked, partially incorporating\n> Umang’s ideas and permitting adjustments of raw stream configurations\n> if they don’t match the processed stream or what’s available from the\n> sensor.\n> - Tested-by tags removed from here because the changes are substantial.\n> v11 works better for me than both v10 and Umang’s RFC but it requires\n> independent testing.\n>\n> Changes in v10:\n> - Missing initialisation of swIspEnabled_ added.\n> - \"Add plain output configurations\" patch dropped. Raw configurations\n> can be built implicitly from capture parameters. Related adjustments\n> in \"Validate raw stream configurations\".\n> - \"Identify requested stream roles\" patch dropped and merged into\n> followup patches; camera configuration is updated in validate() and\n> not in generateConfiguration() now.\n> - A commit title improved as suggested by Umang.\n>\n> Changes in v9:\n> - Fix of calling a wrong output buffer allocator when both raw and\n> processed streams are used.\n>\n> Changes in v8:\n> - A missing `status = Adjusted' added to\n> SimpleCameraConfiguration::validate.\n> - Code comments regarding raw colour space for raw requested roles\n> added.\n> - Dropped raw format helpers.\n>\n> Changes in v7:\n> - Rebased on current master.\n>\n> Changes in v6:\n> - An unnecessary copy of formats avoided.\n> - rawRequested_ and processedrequested_ set to false when there are no\n> roles.\n> - rawRequested_ and processedrequested_ updated in\n> SimpleCameraConfiguration::validate().\n>\n> Changes in v5:\n> - Possible temporary segfault in the patch adding plain output\n> configurations avoided.\n> - PixelFormatInfo::isRaw() helper added.\n> - SimplePipelineHandler::setUpFormatSizes replaced with a lambda\n> function.\n> - SimpleCameraData::{rawRequested_,processedRequested_} are set in\n> SimpleCameraConfiguration first and copied to SimpleCameraData only\n> after successful configure().\n>\n> Changes in v4:\n> - Broken range pruning due to passing a value rather than a reference\n> fixed.\n> - New common function isFormatRaw introduced.\n> - The patch assigning colour spaces in the simple pipeline, previously\n> posted separately, included in this series, as the first patch. It\n> can still be handled separately; in any case the rest sort of depends\n> on it.\n> - Setting metadataRequired to false where needed to prevent freezes and\n> assertion errors; related to metadata reporting support merged to\n> master since v3.\n>\n> Changes in v3:\n> - Significantly reworked, with both functional and clarity improvements.\n> The level of guesswork and confusion is hopefully reduced enough now\n> to drop the RFC prefix.\n> - The number of streams is set to 2 only with software ISP.\n> - SimpleCameraData::pipeConfig_ nullptr check patch dropped.\n> - PPM/raw file output patch dropped from this series. Let’s handle this\n> separately as the patch series is already complex enough.\n>\n> Changes in v2:\n> - Completely reworked.\n> - Extended to be able to produce a raw stream together with a processed\n> stream.\n>\n> Milan Zamazal (7):\n> libcamera: simple: Exclude raw configurations from output conversions\n> libcamera: simple: Handle processed and raw formats separately\n> libcamera: simple: Validate raw stream configurations\n> libcamera: simple: Don't enforce conversion with an added raw stream\n> libcamera: simple: Set the number of software ISP streams to 2\n> libcamera: simple: Require metadata only when software ISP is used\n> libcamera: simple: Make raw streams working\n>\n> src/libcamera/pipeline/simple/simple.cpp | 262 +++++++++++++++++------\n> 1 file changed, 191 insertions(+), 71 deletions(-)","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 2FBE2C3257\n\tfor ;\n\tFri, 12 Dec 2025 21:43:31 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2B65761893;\n\tFri, 12 Dec 2025 22:43:30 +0100 (CET)","from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.129.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 6BBEC6142F\n\tfor ;\n\tFri, 12 Dec 2025 22:43:28 +0100 (CET)","from mail-wr1-f71.google.com (mail-wr1-f71.google.com\n\t[209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS\n\t(version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id\n\tus-mta-329-KspZx6ZXNOaoR_J1hBgoog-1; Fri, 12 Dec 2025 16:43:26 -0500","by mail-wr1-f71.google.com with SMTP id\n\tffacd0b85a97d-42b56125e77so850644f8f.3\n\tfor ;\n\tFri, 12 Dec 2025 13:43:26 -0800 (PST)","from mzamazal-thinkpadp1gen7.tpbc.csb\n\t(ip-77-48-47-2.net.vodafone.cz. 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\n\tFri, 12 Dec 2025 13:43:24 -0800 (PST)","by 2002:a05:6000:2285:b0:42b:3b8a:308c with SMTP id\n\tffacd0b85a97d-42fb46ec08fmr3813197f8f.42.1765575804128; \n\tFri, 12 Dec 2025 13:43:24 -0800 (PST)"],"X-Google-Smtp-Source":"AGHT+IFyTKZFyzrEpJHsL/Wf35g+6XFCzmY1WpM/Yz0TxDKYcg/6cqdss+ZhZVrorjN8bYAXGc0/iA==","From":"Milan Zamazal ","To":"libcamera-devel@lists.libcamera.org","Cc":"Laurent Pinchart ,\n\tKieran Bingham , =?utf-8?q?Barnab?=\n\t=?utf-8?b?w6FzIFDFkWN6ZQ==?=\n\t, Paul Elder\n\t, Umang Jain , Pavel\n\tMachek , Robert Mader ","Subject":"Re: [PATCH v17 0/7] Enable raw streams with software ISP","In-Reply-To":"<20251204164918.83334-1-mzamazal@redhat.com> (Milan Zamazal's\n\tmessage of \"Thu, 4 Dec 2025 17:49:09 +0100\")","References":"<20251204164918.83334-1-mzamazal@redhat.com>","Date":"Fri, 12 Dec 2025 22:43:21 +0100","Message-ID":"<85ldj7pe9y.fsf@mzamazal-thinkpadp1gen7.tpbc.csb>","User-Agent":"Gnus/5.13 (Gnus v5.13)","MIME-Version":"1.0","X-Mimecast-Spam-Score":"0","X-Mimecast-MFC-PROC-ID":"rpKaNCFxzIMa243oRtUWr14bxbkLRVXIULy01q0dOqs_1765575805","X-Mimecast-Originator":"redhat.com","Content-Type":"text/plain; charset=utf-8","Content-Transfer-Encoding":"quoted-printable","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":37353,"web_url":"https://patchwork.libcamera.org/comment/37353/","msgid":"<176558055222.2361218.8835281926394837773@ping.linuxembedded.co.uk>","date":"2025-12-12T23:02:32","subject":"Re: [PATCH v17 0/7] Enable raw streams with software ISP","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Quoting Milan Zamazal (2025-12-12 21:43:21)\n> I think Umang's and my work on this patch series is done, all the\n> patches are Reviewed-By Umang now and CI is happy\n> (https://gitlab.freedesktop.org/camera/libcamera-softisp/-/pipelines/1560575).\n> Unless there are further comments from anybody, it might be worth to\n> retest this version independently: https://gitlab.freedesktop.org/camera/libcamera-softisp/-/tree/pdm-raw-simple?ref_type=heads\n\nJust retested.\n\nThere's a merge conflict against \"libcamera: simple: Move colour space\nlogging after adjustment\" which is the current HEAD - but it's easy to\nsolve, and I can easily verify the resolution is correct.\n\nWorks to support capture in both ARGB and SGRBG10_CSI2P in camshark.\n\nhttps://gitlab.freedesktop.org/camera/libcamera/-/pipelines/1566422 says\nsuccess so merging!\n\nArgh, except the merge checks fail\n\n\"Missing co-developer 'Umang Jain ' Signed-off-by in\ncommit 75b1067adf176636f9efd9c2c8a5216bbc87e799\"\n\nUmang, could you reply to \"libcamera: simple: Validate raw stream\nconfigurations\" with your SoB please, then I can merge.\n\nThanks\n\nKieran\n\n\n> \n> Milan Zamazal writes:\n> \n> > This makes raw streams working again in ‘simple’ pipeline when software\n> > ISP is enabled for the given device. At most one raw stream and one\n> > processed stream (possibly both at once) are supported.\n> >\n> > An example ‘cam’ invocation requesting a raw stream rather than a debayered stream:\n> >\n> > cam -c1 -C8 -s role=raw,width=1920,height=1080 -Ffile#.raw\n> >\n> > Or for both raw and processed streams:\n> >\n> > cam -c1 -C8 -Ffile# \\\n> > -s role=viewfinder,width=1920,height=1080,pixelformat=RGB888 \\\n> > -s role=raw,width=3280,height=2464,pixelformat=SRGGB8\n> >\n> > When only a raw stream is requested, there are no exposure/gain\n> > adjustments applied. This could be improved in future, once software\n> > ISP gets a mechanism to gather image statistics without processing and\n> > using them to make the adjustments, or once manual exposure controls are\n> > added to software ISP. In the meantime, exposure must be changed\n> > externally.\n> >\n> > Tested-by: Kieran Bingham \n> > Tested-by: Pavel Machek \n> >\n> > Changes in v17:\n> > - The patch moving colour space logging took out of the series.\n> > - A comment about stream sizes changed to plural.\n> > - Logging message of max stream sizes improved as suggested by Umang.\n> > - The patch handling max stream sizes squashed to the validation patch\n> > as requested by Umang.\n> >\n> > Changes in v16:\n> > - Buffer completion with processed+raw streams fixed as suggested by\n> > Umang.\n> > - A spelling fix.\n> > - Patch fixing a misplaced LOG added.\n> > - Patch fixing invalid raw stream size adjustment added.\n> >\n> > Changes in v15:\n> > - The removed useConversion_ part of the condition for request\n> > completion on error returned back.\n> > - Missing Reviewed-by tags added.\n> > - Duplicate Signed-off-by tags.\n> >\n> > Changes in v14:\n> > - Some redundant conditions removed.\n> > - Missing data->rawStream_ reset to nullptr added in configure.\n> > - SimpleCameraConfiguration::validate() brought close to Umang’s version.\n> > - Spelling typo in log messages fixed.\n> >\n> > Changes in v13:\n> > - The redundant check for multiple raw streams in\n> > SimplePipelineHandler::configure() removed.\n> > - Typo in a source code comment fixed.\n> > - Information about the number of streams in a commit message corrected.\n> >\n> > Changes in v12:\n> > - Formatting change suggested by Laurent.\n> > - The patch setting the number of software ISP streams moved after the\n> > patches enabling raw streams.\n> > - Colour spaces are set and validated according to the pixel format and\n> > only pixel format.\n> >\n> > Changes in v11:\n> > - Use rawStream_ pointer to a raw stream rather than rawRequested_ and\n> > processedRequested_ flags, as suggested by Umang.\n> > - Selection of pipeline configurations reworked, partially incorporating\n> > Umang’s ideas and permitting adjustments of raw stream configurations\n> > if they don’t match the processed stream or what’s available from the\n> > sensor.\n> > - Tested-by tags removed from here because the changes are substantial.\n> > v11 works better for me than both v10 and Umang’s RFC but it requires\n> > independent testing.\n> >\n> > Changes in v10:\n> > - Missing initialisation of swIspEnabled_ added.\n> > - \"Add plain output configurations\" patch dropped. Raw configurations\n> > can be built implicitly from capture parameters. Related adjustments\n> > in \"Validate raw stream configurations\".\n> > - \"Identify requested stream roles\" patch dropped and merged into\n> > followup patches; camera configuration is updated in validate() and\n> > not in generateConfiguration() now.\n> > - A commit title improved as suggested by Umang.\n> >\n> > Changes in v9:\n> > - Fix of calling a wrong output buffer allocator when both raw and\n> > processed streams are used.\n> >\n> > Changes in v8:\n> > - A missing `status = Adjusted' added to\n> > SimpleCameraConfiguration::validate.\n> > - Code comments regarding raw colour space for raw requested roles\n> > added.\n> > - Dropped raw format helpers.\n> >\n> > Changes in v7:\n> > - Rebased on current master.\n> >\n> > Changes in v6:\n> > - An unnecessary copy of formats avoided.\n> > - rawRequested_ and processedrequested_ set to false when there are no\n> > roles.\n> > - rawRequested_ and processedrequested_ updated in\n> > SimpleCameraConfiguration::validate().\n> >\n> > Changes in v5:\n> > - Possible temporary segfault in the patch adding plain output\n> > configurations avoided.\n> > - PixelFormatInfo::isRaw() helper added.\n> > - SimplePipelineHandler::setUpFormatSizes replaced with a lambda\n> > function.\n> > - SimpleCameraData::{rawRequested_,processedRequested_} are set in\n> > SimpleCameraConfiguration first and copied to SimpleCameraData only\n> > after successful configure().\n> >\n> > Changes in v4:\n> > - Broken range pruning due to passing a value rather than a reference\n> > fixed.\n> > - New common function isFormatRaw introduced.\n> > - The patch assigning colour spaces in the simple pipeline, previously\n> > posted separately, included in this series, as the first patch. It\n> > can still be handled separately; in any case the rest sort of depends\n> > on it.\n> > - Setting metadataRequired to false where needed to prevent freezes and\n> > assertion errors; related to metadata reporting support merged to\n> > master since v3.\n> >\n> > Changes in v3:\n> > - Significantly reworked, with both functional and clarity improvements.\n> > The level of guesswork and confusion is hopefully reduced enough now\n> > to drop the RFC prefix.\n> > - The number of streams is set to 2 only with software ISP.\n> > - SimpleCameraData::pipeConfig_ nullptr check patch dropped.\n> > - PPM/raw file output patch dropped from this series. Let’s handle this\n> > separately as the patch series is already complex enough.\n> >\n> > Changes in v2:\n> > - Completely reworked.\n> > - Extended to be able to produce a raw stream together with a processed\n> > stream.\n> >\n> > Milan Zamazal (7):\n> > libcamera: simple: Exclude raw configurations from output conversions\n> > libcamera: simple: Handle processed and raw formats separately\n> > libcamera: simple: Validate raw stream configurations\n> > libcamera: simple: Don't enforce conversion with an added raw stream\n> > libcamera: simple: Set the number of software ISP streams to 2\n> > libcamera: simple: Require metadata only when software ISP is used\n> > libcamera: simple: Make raw streams working\n> >\n> > src/libcamera/pipeline/simple/simple.cpp | 262 +++++++++++++++++------\n> > 1 file changed, 191 insertions(+), 71 deletions(-)\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id BA26FC3257\n\tfor ;\n\tFri, 12 Dec 2025 23:02:39 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id BCBCA61923;\n\tSat, 13 Dec 2025 00:02:38 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 5F229609DE\n\tfor ;\n\tSat, 13 Dec 2025 00:02:36 +0100 (CET)","from pendragon.ideasonboard.com\n\t(cpc89244-aztw30-2-0-cust6594.18-1.cable.virginm.net [86.31.185.195])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 9B0B11118;\n\tSat, 13 Dec 2025 00:02:32 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"R/sOyix4\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1765580552;\n\tbh=ksVxf9N2SZ6cBWO8CvZc5iwnVFg4Sgeci3VMMvXeUYw=;\n\th=In-Reply-To:References:Subject:From:Cc:To:Date:From;\n\tb=R/sOyix46FtPZyvnLd7CjbycWJ6ErqitII4su4J+fNRuHdeV5/kjPZhXQMO47UDEi\n\t7Jk1EeZHjIdcMZULhnjS5wx+vvbt2W+V9M44q1cnwQAzuTV5xzlHqetBtM5j9OOJDr\n\tYmDU9Jrc38BAMbngR/WCVqZWe8cAuFiVaOA9suo4=","Content-Type":"text/plain; charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"quoted-printable","In-Reply-To":"<85ldj7pe9y.fsf@mzamazal-thinkpadp1gen7.tpbc.csb>","References":"<20251204164918.83334-1-mzamazal@redhat.com>\n\t<85ldj7pe9y.fsf@mzamazal-thinkpadp1gen7.tpbc.csb>","Subject":"Re: [PATCH v17 0/7] Enable raw streams with software ISP","From":"Kieran Bingham ","Cc":"Laurent Pinchart , =?utf-8?q?Barnab?=\n\t=?utf-8?b?w6FzIFDFkWN6ZQ==?= ,\n\tPaul Elder , Umang Jain ,\n\tPavel Machek , Robert Mader ","To":"Milan Zamazal , libcamera-devel@lists.libcamera.org","Date":"Fri, 12 Dec 2025 23:02:32 +0000","Message-ID":"<176558055222.2361218.8835281926394837773@ping.linuxembedded.co.uk>","User-Agent":"alot/0.9.1","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]