[{"id":32004,"web_url":"https://patchwork.libcamera.org/comment/32004/","msgid":"","date":"2024-11-04T11:29:01","subject":"Re: [PATCH 6/6] libcamera: pipelines: Draw control delays from\n\tCameraSensor properties","submitter":{"id":143,"url":"https://patchwork.libcamera.org/api/people/143/","name":"Jacopo Mondi","email":"jacopo.mondi@ideasonboard.com"},"content":"Hi Dan\n\nOn Thu, Oct 31, 2024 at 04:07:41PM +0000, Daniel Scally wrote:\n> Rather than hard coding default delays for control values in the\n> pipeline handlers, pick up the ones defined in the CameraSensor\n> properties.\n>\n> Signed-off-by: Daniel Scally \n> ---\n>\n> I note that the simple pipeline handler had a Gain delay of 2 rather than the\n> standard 1...I don't think the difference from the norm is correct but thought\n> I would highlight it in case I'm mistaken.\n>\n\nWell, I guess the \"default\" value where just some semi-random numbers,\nso I don't think one is more correct than the other ?\n\n> src/libcamera/pipeline/ipu3/ipu3.cpp | 11 ++++-------\n> src/libcamera/pipeline/rkisp1/rkisp1.cpp | 12 +++++-------\n> src/libcamera/pipeline/simple/simple.cpp | 7 +++++--\n> 3 files changed, 14 insertions(+), 16 deletions(-)\n>\n> diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\n> index 29d3c6c1..ff58ba28 100644\n> --- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n> +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n> @@ -1077,14 +1077,11 @@ int PipelineHandlerIPU3::registerCameras()\n> \t\tif (ret)\n> \t\t\tcontinue;\n>\n> -\t\t/*\n> -\t\t * \\todo Read delay values from the sensor itself or from a\n> -\t\t * a sensor database. For now use generic values taken from\n> -\t\t * the Raspberry Pi and listed as 'generic values'.\n> -\t\t */\n> +\t\tunsigned int gainDelay = data->properties_.get(properties::GainDelay).value();\n> +\t\tunsigned int exposureDelay = data->properties_.get(properties::ExposureDelay).value();\n\nMaybe we don't even need controls:: for these but the CameraSensor\nclass could expose delayes are read from the static properties ?\n\nAfter all we don't need to pass these delays across the ph/IPA\nboundaries as DelayedControls is initialized on the ph side.\n\nWhat od you think ?\n\n\n> \t\tstd::unordered_map params = {\n> -\t\t\t{ V4L2_CID_ANALOGUE_GAIN, { 1, false } },\n> -\t\t\t{ V4L2_CID_EXPOSURE, { 2, false } },\n> +\t\t\t{ V4L2_CID_ANALOGUE_GAIN, { gainDelay, false } },\n> +\t\t\t{ V4L2_CID_EXPOSURE, { exposureDelay, false } },\n> \t\t};\n>\n> \t\tdata->delayedCtrls_ =\n> diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n> index c7b0b392..43e1315f 100644\n> --- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n> +++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n> @@ -24,6 +24,7 @@\n> #include \n> #include \n> #include \n> +#include \n> #include \n> #include \n> #include \n> @@ -1240,14 +1241,11 @@ int PipelineHandlerRkISP1::createCamera(MediaEntity *sensor)\n> \t/* Initialize the camera properties. */\n> \tdata->properties_ = data->sensor_->properties();\n>\n> -\t/*\n> -\t * \\todo Read delay values from the sensor itself or from a\n> -\t * a sensor database. For now use generic values taken from\n> -\t * the Raspberry Pi and listed as generic values.\n> -\t */\n> +\tunsigned int gainDelay = data->properties_.get(properties::GainDelay).value();\n> +\tunsigned int exposureDelay = data->properties_.get(properties::ExposureDelay).value();\n> \tstd::unordered_map params = {\n> -\t\t{ V4L2_CID_ANALOGUE_GAIN, { 1, false } },\n> -\t\t{ V4L2_CID_EXPOSURE, { 2, false } },\n> +\t\t{ V4L2_CID_ANALOGUE_GAIN, { gainDelay, false } },\n> +\t\t{ V4L2_CID_EXPOSURE, { exposureDelay, false } },\n> \t};\n>\n> \tdata->delayedCtrls_ =\n> diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\n> index 3ddce71d..20c97c37 100644\n> --- a/src/libcamera/pipeline/simple/simple.cpp\n> +++ b/src/libcamera/pipeline/simple/simple.cpp\n> @@ -26,6 +26,7 @@\n>\n> #include \n> #include \n> +#include \n> #include \n> #include \n>\n> @@ -1286,9 +1287,11 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c)\n> \tif (outputCfgs.empty())\n> \t\treturn 0;\n>\n> +\tunsigned int gainDelay = data->properties_.get(properties::GainDelay).value();\n> +\tunsigned int exposureDelay = data->properties_.get(properties::ExposureDelay).value();\n> \tstd::unordered_map params = {\n> -\t\t{ V4L2_CID_ANALOGUE_GAIN, { 2, false } },\n> -\t\t{ V4L2_CID_EXPOSURE, { 2, false } },\n> +\t\t{ V4L2_CID_ANALOGUE_GAIN, { gainDelay, false } },\n> +\t\t{ V4L2_CID_EXPOSURE, { exposureDelay, false } },\n> \t};\n> \tdata->delayedCtrls_ =\n> \t\tstd::make_unique(data->sensor_->device(),\n> --\n> 2.30.2\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 15796BDC71\n\tfor ;\n\tMon, 4 Nov 2024 11:29:07 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 0C2F0653D2;\n\tMon, 4 Nov 2024 12:29:06 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id C9A86653CD\n\tfor ;\n\tMon, 4 Nov 2024 12:29:04 +0100 (CET)","from ideasonboard.com (mob-5-90-48-188.net.vodafone.it\n\t[5.90.48.188])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id EBCB422E;\n\tMon, 4 Nov 2024 12:28:57 +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=\"tAwmLSdr\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1730719738;\n\tbh=1XhQQu/7QI/Xb8OVwaV9YMWRt56xk4sQMpVW6u/WBZ0=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=tAwmLSdrG0qca+FXfmi8kSp2YTJt80O71PtUJRlpjdLhYkRofuWwetaQMvHhWPhab\n\tcDgCKWDTRxwZzVv6ouWoCzDgvX3xx3O1cxQi0Uox01OU08mFrWi7QvMrlE/sAnwwnw\n\thhT/0n6SUqK+EHaQSTn7lHN+V1DSblVeagjcVNPc=","Date":"Mon, 4 Nov 2024 12:29:01 +0100","From":"Jacopo Mondi ","To":"Daniel Scally ","Cc":"libcamera-devel@lists.libcamera.org, mike.rudenko@gmail.com","Subject":"Re: [PATCH 6/6] libcamera: pipelines: Draw control delays from\n\tCameraSensor properties","Message-ID":"","References":"<20241031160741.253855-1-dan.scally@ideasonboard.com>\n\t<20241031160741.253855-7-dan.scally@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<20241031160741.253855-7-dan.scally@ideasonboard.com>","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":32038,"web_url":"https://patchwork.libcamera.org/comment/32038/","msgid":"","date":"2024-11-06T09:43:50","subject":"Re: [PATCH 6/6] libcamera: pipelines: Draw control delays from\n\tCameraSensor properties","submitter":{"id":156,"url":"https://patchwork.libcamera.org/api/people/156/","name":"Dan Scally","email":"dan.scally@ideasonboard.com"},"content":"Hi Jacopo\n\nOn 04/11/2024 11:29, Jacopo Mondi wrote:\n> Hi Dan\n>\n> On Thu, Oct 31, 2024 at 04:07:41PM +0000, Daniel Scally wrote:\n>> Rather than hard coding default delays for control values in the\n>> pipeline handlers, pick up the ones defined in the CameraSensor\n>> properties.\n>>\n>> Signed-off-by: Daniel Scally \n>> ---\n>>\n>> I note that the simple pipeline handler had a Gain delay of 2 rather than the\n>> standard 1...I don't think the difference from the norm is correct but thought\n>> I would highlight it in case I'm mistaken.\n>>\n> Well, I guess the \"default\" value where just some semi-random numbers,\n> so I don't think one is more correct than the other ?\n>\n>> src/libcamera/pipeline/ipu3/ipu3.cpp | 11 ++++-------\n>> src/libcamera/pipeline/rkisp1/rkisp1.cpp | 12 +++++-------\n>> src/libcamera/pipeline/simple/simple.cpp | 7 +++++--\n>> 3 files changed, 14 insertions(+), 16 deletions(-)\n>>\n>> diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\n>> index 29d3c6c1..ff58ba28 100644\n>> --- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n>> +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n>> @@ -1077,14 +1077,11 @@ int PipelineHandlerIPU3::registerCameras()\n>> \t\tif (ret)\n>> \t\t\tcontinue;\n>>\n>> -\t\t/*\n>> -\t\t * \\todo Read delay values from the sensor itself or from a\n>> -\t\t * a sensor database. For now use generic values taken from\n>> -\t\t * the Raspberry Pi and listed as 'generic values'.\n>> -\t\t */\n>> +\t\tunsigned int gainDelay = data->properties_.get(properties::GainDelay).value();\n>> +\t\tunsigned int exposureDelay = data->properties_.get(properties::ExposureDelay).value();\n> Maybe we don't even need controls:: for these but the CameraSensor\n> class could expose delayes are read from the static properties ?\n>\n> After all we don't need to pass these delays across the ph/IPA\n> boundaries as DelayedControls is initialized on the ph side.\n>\n> What od you think ?\n\n\nThat's fine by me too sure.\n\n>\n>\n>> \t\tstd::unordered_map params = {\n>> -\t\t\t{ V4L2_CID_ANALOGUE_GAIN, { 1, false } },\n>> -\t\t\t{ V4L2_CID_EXPOSURE, { 2, false } },\n>> +\t\t\t{ V4L2_CID_ANALOGUE_GAIN, { gainDelay, false } },\n>> +\t\t\t{ V4L2_CID_EXPOSURE, { exposureDelay, false } },\n>> \t\t};\n>>\n>> \t\tdata->delayedCtrls_ =\n>> diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n>> index c7b0b392..43e1315f 100644\n>> --- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n>> +++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n>> @@ -24,6 +24,7 @@\n>> #include \n>> #include \n>> #include \n>> +#include \n>> #include \n>> #include \n>> #include \n>> @@ -1240,14 +1241,11 @@ int PipelineHandlerRkISP1::createCamera(MediaEntity *sensor)\n>> \t/* Initialize the camera properties. */\n>> \tdata->properties_ = data->sensor_->properties();\n>>\n>> -\t/*\n>> -\t * \\todo Read delay values from the sensor itself or from a\n>> -\t * a sensor database. For now use generic values taken from\n>> -\t * the Raspberry Pi and listed as generic values.\n>> -\t */\n>> +\tunsigned int gainDelay = data->properties_.get(properties::GainDelay).value();\n>> +\tunsigned int exposureDelay = data->properties_.get(properties::ExposureDelay).value();\n>> \tstd::unordered_map params = {\n>> -\t\t{ V4L2_CID_ANALOGUE_GAIN, { 1, false } },\n>> -\t\t{ V4L2_CID_EXPOSURE, { 2, false } },\n>> +\t\t{ V4L2_CID_ANALOGUE_GAIN, { gainDelay, false } },\n>> +\t\t{ V4L2_CID_EXPOSURE, { exposureDelay, false } },\n>> \t};\n>>\n>> \tdata->delayedCtrls_ =\n>> diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp\n>> index 3ddce71d..20c97c37 100644\n>> --- a/src/libcamera/pipeline/simple/simple.cpp\n>> +++ b/src/libcamera/pipeline/simple/simple.cpp\n>> @@ -26,6 +26,7 @@\n>>\n>> #include \n>> #include \n>> +#include \n>> #include \n>> #include \n>>\n>> @@ -1286,9 +1287,11 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c)\n>> \tif (outputCfgs.empty())\n>> \t\treturn 0;\n>>\n>> +\tunsigned int gainDelay = data->properties_.get(properties::GainDelay).value();\n>> +\tunsigned int exposureDelay = data->properties_.get(properties::ExposureDelay).value();\n>> \tstd::unordered_map params = {\n>> -\t\t{ V4L2_CID_ANALOGUE_GAIN, { 2, false } },\n>> -\t\t{ V4L2_CID_EXPOSURE, { 2, false } },\n>> +\t\t{ V4L2_CID_ANALOGUE_GAIN, { gainDelay, false } },\n>> +\t\t{ V4L2_CID_EXPOSURE, { exposureDelay, false } },\n>> \t};\n>> \tdata->delayedCtrls_ =\n>> \t\tstd::make_unique(data->sensor_->device(),\n>> --\n>> 2.30.2\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 78B04BDB13\n\tfor ;\n\tWed, 6 Nov 2024 09:43:55 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 2521565417;\n\tWed, 6 Nov 2024 10:43:55 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 3111B65417\n\tfor ;\n\tWed, 6 Nov 2024 10:43:53 +0100 (CET)","from [192.168.0.43]\n\t(cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 1A6D3475;\n\tWed, 6 Nov 2024 10:43:45 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com; 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