[{"id":16616,"web_url":"https://patchwork.libcamera.org/comment/16616/","msgid":"","date":"2021-04-27T04:52:48","subject":"Re: [libcamera-devel] [RFC PATCH v2 07/12] android: camera_device:\n\tSet result metadata for FULL requirements","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"Hi Paul,\n\nThank you for the patch.\n\nOn Thu, Apr 22, 2021 at 06:40:57PM +0900, Paul Elder wrote:\n> Set the result metadata to satisfy FULL hardware level requirements.\n> Also add the new result metadata tags to the static metadata.\n> \n> This fixes many tests under:\n> - android.hardware.camera2.cts.CaptureRequestTest\n> - testAeModeAndLock\n> - testAntiBandingModes\n> - testAwbModeAndLock\n> - testBlackLevelLock\n> - testEdgeModeControlFastFps\n> - testNoiseReductionModeControlFastFps\n> - testToneMapControl\n> - android.hardware.camera2.cts.CaptureResultTest\n> - testCameraCaptureResultAllKeys\n> - android.hardware.camera2.cts.ImageReaderTest\n> - testDiscardFreeBuffers\n> - testFlexibleYuv\n> - testJpeg\n> - testLongProcessingRepeatingFlexibleYuv\n> - testRepeatingJpeg\n> - android.hardware.camera2.cts.StaticMetadataTest\n> - testCapabilities\n\nAs for patch 05/12, we need to plumb to the pipeline handler anything\nthat we don't expect all cameras to support.\n\n> Signed-off-by: Paul Elder \n> \n> ---\n> Again, not sure if the entries in the results key list needs to be added\n> to the static metadata allocation size.\n> ---\n> src/android/camera_device.cpp | 127 ++++++++++++++++++++++++++++++----\n> src/android/camera_device.h | 2 +\n> 2 files changed, 117 insertions(+), 12 deletions(-)\n> \n> diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\n> index c9d4afc3..99c67555 100644\n> --- a/src/android/camera_device.cpp\n> +++ b/src/android/camera_device.cpp\n> @@ -402,7 +402,7 @@ CameraDevice::Camera3RequestDescriptor::Camera3RequestDescriptor(\n> \n> CameraDevice::CameraDevice(unsigned int id, std::shared_ptr camera)\n> \t: id_(id), running_(false), camera_(std::move(camera)),\n> -\t facing_(CAMERA_FACING_FRONT), orientation_(0)\n> +\t facing_(CAMERA_FACING_FRONT), orientation_(0), lastTimestamp_(0)\n> {\n> \tcamera_->requestCompleted.connect(this, &CameraDevice::requestComplete);\n> \n> @@ -776,10 +776,10 @@ std::tuple CameraDevice::calculateStaticMetadataSize()\n> {\n> \t/*\n> \t * \\todo Keep this in sync with the actual number of entries.\n> -\t * Currently: 63 entries, 990 bytes of static metadata\n> +\t * Currently: 63 entries, 1014 bytes of static metadata\n> \t */\n> \tuint32_t numEntries = 63;\n> -\tuint32_t byteSize = 990;\n> +\tuint32_t byteSize = 1014;\n> \n> \t// do i need to add for entries in the available keys?\n> \t// +1, +4 for EDGE_AVAILABLE_EDGE_MODES\n> @@ -787,6 +787,7 @@ std::tuple CameraDevice::calculateStaticMetadataSize()\n> \t// +1, +4 for BLACK_LEVEL_PATTERN\n> \t// +1, +4 for TONEMAP_AVAILABLE_TONE_MAP_MODES\n> \t// +1, +4 for TONEMAP_MAX_CURVE_POINTS\n> +\t// +4x9 = 36 for the new result tags\n> \n> \t// +36 for new request keys\n> \n> @@ -1419,8 +1420,9 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()\n> \t/*\n> \t * required for FULL\n> \t * \\todo get from camera (camCapabilities[camId]->tonemapCurvePoints?)\n> +\t * at least 64\n> \t */\n> -\tint32_t tonemapCurvePoints = 0;\n> +\tint32_t tonemapCurvePoints = 64;\n> \tstaticMetadata_->addEntry(ANDROID_TONEMAP_MAX_CURVE_POINTS,\n> \t\t\t\t &tonemapCurvePoints, 1);\n> \n> @@ -1526,6 +1528,9 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()\n> \t\tANDROID_SHADING_MODE,\n> \t\tANDROID_STATISTICS_FACE_DETECT_MODE,\n> \t\tANDROID_STATISTICS_LENS_SHADING_MAP_MODE,\n> +\t\tANDROID_TONEMAP_CURVE_BLUE,\n> +\t\tANDROID_TONEMAP_CURVE_GREEN,\n> +\t\tANDROID_TONEMAP_CURVE_RED,\n> \t\tANDROID_TONEMAP_MODE,\n> \t};\n> \tstaticMetadata_->addEntry(ANDROID_REQUEST_AVAILABLE_REQUEST_KEYS,\n> @@ -1533,6 +1538,7 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()\n> \t\t\t\t availableRequestKeys.size());\n> \n> \tstd::vector availableResultKeys = {\n> +\t\tANDROID_BLACK_LEVEL_LOCK,\n> \t\tANDROID_COLOR_CORRECTION_ABERRATION_MODE,\n> \t\tANDROID_CONTROL_AE_ANTIBANDING_MODE,\n> \t\tANDROID_CONTROL_AE_EXPOSURE_COMPENSATION,\n> @@ -1552,8 +1558,10 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()\n> \t\tANDROID_CONTROL_MODE,\n> \t\tANDROID_CONTROL_SCENE_MODE,\n> \t\tANDROID_CONTROL_VIDEO_STABILIZATION_MODE,\n> +\t\tANDROID_EDGE_MODE,\n> \t\tANDROID_FLASH_MODE,\n> \t\tANDROID_FLASH_STATE,\n> +\t\tANDROID_HOT_PIXEL_MODE,\n> \t\tANDROID_JPEG_GPS_COORDINATES,\n> \t\tANDROID_JPEG_GPS_PROCESSING_METHOD,\n> \t\tANDROID_JPEG_GPS_TIMESTAMP,\n> @@ -1563,20 +1571,30 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()\n> \t\tANDROID_JPEG_THUMBNAIL_QUALITY,\n> \t\tANDROID_JPEG_THUMBNAIL_SIZE,\n> \t\tANDROID_LENS_APERTURE,\n> +\t\tANDROID_LENS_FILTER_DENSITY,\n> \t\tANDROID_LENS_FOCAL_LENGTH,\n> +\t\tANDROID_LENS_FOCUS_DISTANCE,\n> +\t\tANDROID_LENS_FOCUS_RANGE, // undocumented\n> \t\tANDROID_LENS_OPTICAL_STABILIZATION_MODE,\n> \t\tANDROID_LENS_STATE,\n> \t\tANDROID_NOISE_REDUCTION_MODE,\n> \t\tANDROID_REQUEST_PIPELINE_DEPTH,\n> \t\tANDROID_SCALER_CROP_REGION,\n> \t\tANDROID_SENSOR_EXPOSURE_TIME,\n> +\t\tANDROID_SENSOR_FRAME_DURATION,\n> \t\tANDROID_SENSOR_ROLLING_SHUTTER_SKEW,\n> +\t\tANDROID_SENSOR_SENSITIVITY,\n> \t\tANDROID_SENSOR_TEST_PATTERN_MODE,\n> \t\tANDROID_SENSOR_TIMESTAMP,\n> +\t\tANDROID_SHADING_MODE,\n> \t\tANDROID_STATISTICS_FACE_DETECT_MODE,\n> \t\tANDROID_STATISTICS_LENS_SHADING_MAP_MODE,\n> \t\tANDROID_STATISTICS_HOT_PIXEL_MAP_MODE,\n> \t\tANDROID_STATISTICS_SCENE_FLICKER,\n> +\t\tANDROID_TONEMAP_CURVE_BLUE,\n> +\t\tANDROID_TONEMAP_CURVE_GREEN,\n> +\t\tANDROID_TONEMAP_CURVE_RED,\n> +\t\tANDROID_TONEMAP_MODE,\n> \t};\n> \tstaticMetadata_->addEntry(ANDROID_REQUEST_AVAILABLE_RESULT_KEYS,\n> \t\t\t\t availableResultKeys.data(),\n> @@ -2277,6 +2295,10 @@ void CameraDevice::requestComplete(Request *request)\n> \n> \tresultMetadata = getResultMetadata(descriptor);\n> \n> +\tconst ControlList &metadata = descriptor->request_->metadata();\n> +\tif (metadata.contains(controls::SensorTimestamp))\n> +\t\tlastTimestamp_ = metadata.get(controls::SensorTimestamp);\n> +\n> \t/* Handle any JPEG compression. */\n> \tfor (camera3_stream_buffer_t &buffer : descriptor.buffers_) {\n> \t\tCameraStream *cameraStream =\n> @@ -2416,7 +2438,7 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons\n> \t * Total bytes for JPEG metadata: 82\n> \t */\n> \tstd::unique_ptr resultMetadata =\n> -\t\tstd::make_unique(44, 166);\n> +\t\tstd::make_unique(57, 303);\n> \tif (!resultMetadata->isValid()) {\n> \t\tLOG(HAL, Error) << \"Failed to allocate result metadata\";\n> \t\treturn nullptr;\n> @@ -2428,6 +2450,11 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons\n> \t * from libcamera::Request::metadata.\n> \t */\n> \n> +\t/* FULL */\n> +\tfound = settings.getEntry(ANDROID_BLACK_LEVEL_LOCK, &entry);\n> +\tbool valueBool = found ? *entry.data.u8 : false;\n> +\tresultMetadata->addEntry(ANDROID_BLACK_LEVEL_LOCK, &valueBool, 1);\n> +\n> \tuint8_t value = ANDROID_COLOR_CORRECTION_ABERRATION_MODE_OFF;\n> \tresultMetadata->addEntry(ANDROID_COLOR_CORRECTION_ABERRATION_MODE,\n> \t\t\t\t &value, 1);\n> @@ -2439,8 +2466,11 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons\n> \tresultMetadata->addEntry(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION,\n> \t\t\t\t &value32, 1);\n> \n> +\t/* \\todo apply this */\n> \tvalue = ANDROID_CONTROL_AE_LOCK_OFF;\n> -\tresultMetadata->addEntry(ANDROID_CONTROL_AE_LOCK, &value, 1);\n> +\tfound = settings.getEntry(ANDROID_CONTROL_AE_LOCK, &entry);\n> +\tresultMetadata->addEntry(ANDROID_CONTROL_AE_LOCK,\n> +\t\t\t\t found ? entry.data.u8 : &value, 1);\n> \n> \tvalue = ANDROID_CONTROL_AE_MODE_ON;\n> \tresultMetadata->addEntry(ANDROID_CONTROL_AE_MODE, &value, 1);\n> @@ -2472,12 +2502,16 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons\n> \tresultMetadata->addEntry(ANDROID_CONTROL_AF_TRIGGER, &value, 1);\n> \n> \tvalue = ANDROID_CONTROL_AWB_MODE_AUTO;\n> -\tresultMetadata->addEntry(ANDROID_CONTROL_AWB_MODE, &value, 1);\n> +\tfound = settings.getEntry(ANDROID_CONTROL_AWB_MODE, &entry);\n> +\tresultMetadata->addEntry(ANDROID_CONTROL_AWB_MODE,\n> +\t\t\t\t found ? entry.data.u8 : &value, 1);\n> \n> -\tvalue = ANDROID_CONTROL_AWB_LOCK_OFF;\n> +\tfound = settings.getEntry(ANDROID_CONTROL_AWB_LOCK, &entry);\n> +\tvalue = found ? *entry.data.u8 : ANDROID_CONTROL_AWB_LOCK_OFF;\n> \tresultMetadata->addEntry(ANDROID_CONTROL_AWB_LOCK, &value, 1);\n> \n> -\tvalue = ANDROID_CONTROL_AWB_STATE_CONVERGED;\n> +\tvalue = value ? ANDROID_CONTROL_AWB_STATE_LOCKED :\n> +\t\t\tANDROID_CONTROL_AWB_STATE_CONVERGED;\n> \tresultMetadata->addEntry(ANDROID_CONTROL_AWB_STATE, &value, 1);\n> \n> \tvalue = ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW;\n> @@ -2495,18 +2529,37 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons\n> \tvalue = ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF;\n> \tresultMetadata->addEntry(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, &value, 1);\n> \n> +\tfound = settings.getEntry(ANDROID_EDGE_MODE, &entry);\n> +\tvalue = found ? *entry.data.u8 : ANDROID_EDGE_MODE_OFF;\n> +\tresultMetadata->addEntry(ANDROID_EDGE_MODE, &value, 1);\n> +\n> \tvalue = ANDROID_FLASH_MODE_OFF;\n> \tresultMetadata->addEntry(ANDROID_FLASH_MODE, &value, 1);\n> \n> \tvalue = ANDROID_FLASH_STATE_UNAVAILABLE;\n> \tresultMetadata->addEntry(ANDROID_FLASH_STATE, &value, 1);\n> \n> +\tvalue = ANDROID_HOT_PIXEL_MODE_OFF;\n> +\tresultMetadata->addEntry(ANDROID_HOT_PIXEL_MODE, &value, 1);\n> +\n> \tif (settings.getEntry(ANDROID_LENS_APERTURE, &entry))\n> \t\tresultMetadata->addEntry(ANDROID_LENS_APERTURE, entry.data.f, 1);\n> \n> +\tfloat filterDensity = 0.0f;\n> +\tresultMetadata->addEntry(ANDROID_LENS_FILTER_DENSITY,\n> +\t\t\t\t &filterDensity, 1);\n> +\n> \tfloat focal_length = 1.0;\n> \tresultMetadata->addEntry(ANDROID_LENS_FOCAL_LENGTH, &focal_length, 1);\n> \n> +\tfloat focusDistance = 0.0f;\n> +\tresultMetadata->addEntry(ANDROID_LENS_FOCUS_DISTANCE,\n> +\t\t\t\t &focusDistance, 1);\n> +\n> +\t/* there's no documentation on this */\n> +\tfloat focusRange[] = { 0.0f, 1.0f };\n> +\tresultMetadata->addEntry(ANDROID_LENS_FOCUS_RANGE, &focusRange, 2);\n> +\n> \tvalue = ANDROID_LENS_STATE_STATIONARY;\n> \tresultMetadata->addEntry(ANDROID_LENS_STATE, &value, 1);\n> \n> @@ -2518,6 +2571,11 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons\n> \tresultMetadata->addEntry(ANDROID_SENSOR_TEST_PATTERN_MODE,\n> \t\t\t\t &value32, 1);\n> \n> +\n> +\t/* \\todo get this from request? and set it. handle map mode too */\n> +\tvalue = ANDROID_SHADING_MODE_OFF;\n> +\tresultMetadata->addEntry(ANDROID_SHADING_MODE, &value, 1);\n> +\n> \tvalue = ANDROID_STATISTICS_FACE_DETECT_MODE_OFF;\n> \tresultMetadata->addEntry(ANDROID_STATISTICS_FACE_DETECT_MODE,\n> \t\t\t\t &value, 1);\n> @@ -2534,14 +2592,48 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons\n> \tresultMetadata->addEntry(ANDROID_STATISTICS_SCENE_FLICKER,\n> \t\t\t\t &value, 1);\n> \n> +\t/* \\todo handle this */\n> +\tfound = settings.getEntry(ANDROID_TONEMAP_MODE, &entry);\n> +\tvalue = found ? *entry.data.u8 : ANDROID_TONEMAP_MODE_FAST;\n> +\tresultMetadata->addEntry(ANDROID_TONEMAP_MODE, &value, 1);\n> +\n> \tvalue = ANDROID_NOISE_REDUCTION_MODE_OFF;\n> -\tresultMetadata->addEntry(ANDROID_NOISE_REDUCTION_MODE, &value, 1);\n> +\tfound = settings.getEntry(ANDROID_NOISE_REDUCTION_MODE, &entry);\n> +\tresultMetadata->addEntry(ANDROID_NOISE_REDUCTION_MODE,\n> +\t\t\t\t found ? entry.data.u8 : &value, 1);\n> \n> \t/* 33.3 msec */\n> \tconst int64_t rolling_shutter_skew = 33300000;\n> \tresultMetadata->addEntry(ANDROID_SENSOR_ROLLING_SHUTTER_SKEW,\n> \t\t\t\t &rolling_shutter_skew, 1);\n> \n> +\t/*\n> +\t * CTS doesn't actually check if this is equal to the requested\n> +\t * tonemap, so just set a linear tonemap\n> +\t * it's in [in, out] [in, out] format\n> +\t */\n> +\tstd::vector tonemap = {\n> +\t\t0.0, 0.0,\n> +\t\t1.0, 1.0,\n> +\t};\n> +\tresultMetadata->addEntry(ANDROID_TONEMAP_CURVE_BLUE,\n> +\t\t\t\t tonemap.data(), tonemap.size());\n> +\tresultMetadata->addEntry(ANDROID_TONEMAP_CURVE_GREEN,\n> +\t\t\t\t tonemap.data(), tonemap.size());\n> +\tresultMetadata->addEntry(ANDROID_TONEMAP_CURVE_RED,\n> +\t\t\t\t tonemap.data(), tonemap.size());\n> +\n> +\t/*\n> +\t * \\todo get the tonemap gamma and tonemap preset curve from request\n> +\t * and copy to result\n> +\t */\n> +\n> +\t/* \\todo get this from camera */\n> +\tvalue32 = 32;\n> +\tfound = settings.getEntry(ANDROID_SENSOR_SENSITIVITY, &entry);\n> +\tresultMetadata->addEntry(ANDROID_SENSOR_SENSITIVITY,\n> +\t\t\t\t found ? entry.data.i32 : &value32, 1);\n> +\n> \t/* Add metadata tags reported by libcamera. */\n> \tif (metadata.contains(controls::draft::PipelineDepth)) {\n> \t\tuint8_t pipeline_depth =\n> @@ -2550,15 +2642,26 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons\n> \t\t\t\t\t &pipeline_depth, 1);\n> \t}\n> \n> -\tif (metadata.contains(controls::ExposureTime)) {\n> +\tfound = settings.getEntry(ANDROID_SENSOR_EXPOSURE_TIME, &entry);\n> +\tif (found || metadata.contains(controls::ExposureTime)) {\n> \t\tint64_t exposure = metadata.get(controls::ExposureTime) * 1000ULL;\n> \t\tresultMetadata->addEntry(ANDROID_SENSOR_EXPOSURE_TIME,\n> -\t\t\t\t\t &exposure, 1);\n> +\t\t\t\t\t found ? entry.data.i64 : &exposure, 1);\n> \t}\n> \n> \tif (metadata.contains(controls::SensorTimestamp)) {\n> \t\tint64_t timestamp = metadata.get(controls::SensorTimestamp);\n> \t\tresultMetadata->addEntry(ANDROID_SENSOR_TIMESTAMP, ×tamp, 1);\n> +\n> +\t\tint64_t frameDuration = timestamp - lastTimestamp_;\n> +\t\t/*\n> +\t\t * frame duration should be at last as long as the requested\n> +\t\t * exposure time, hardcode it for now\n> +\t\t */\n> +\t\tif (found && frameDuration < *entry.data.i64)\n> +\t\t\tframeDuration = *entry.data.i64;\n> +\t\tresultMetadata->addEntry(ANDROID_SENSOR_FRAME_DURATION,\n> +\t\t\t\t\t &frameDuration, 1);\n\nThis should be the nominal frame duration, not the calculated frame\nduration. Haven't we discussed this previously ?\n\n> \t}\n> \n> \tif (metadata.contains(controls::ScalerCrop)) {\n> diff --git a/src/android/camera_device.h b/src/android/camera_device.h\n> index 8edbcdfd..fcd57fcd 100644\n> --- a/src/android/camera_device.h\n> +++ b/src/android/camera_device.h\n> @@ -139,6 +139,8 @@ private:\n> \n> \tunsigned int maxJpegBufferSize_;\n> \n> +\tint64_t lastTimestamp_;\n> +\n> \tCameraMetadata lastSettings_;\n> };\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 4375BBDCC3\n\tfor ;\n\tTue, 27 Apr 2021 04:52:57 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 99C6068880;\n\tTue, 27 Apr 2021 06:52:56 +0200 (CEST)","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 D235B60512\n\tfor ;\n\tTue, 27 Apr 2021 06:52:54 +0200 (CEST)","from pendragon.ideasonboard.com (62-78-145-57.bb.dnainternet.fi\n\t[62.78.145.57])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 44AC1E9;\n\tTue, 27 Apr 2021 06:52:54 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"fNna05TG\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1619499174;\n\tbh=oKcb2tdlc1oOCvT+3RDPqPwYmb1zD5ajVHh/qWCbMJs=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=fNna05TGsToTNqiM7lc4im+pklVLgYyNtg+FXpaL4f8dYr3Y+O5yx/GTvdebCHaNZ\n\tCEUg3N62kYMPSAScpnLIVBS1iLj9Ks01enW6/ygrsZ1HUPhUnhjyRXtJNUnLNUAlZg\n\tgWtSxDjMRfRhzcjg+etquK5uKxUhY6M0Fd1Qbrqw=","Date":"Tue, 27 Apr 2021 07:52:48 +0300","From":"Laurent Pinchart ","To":"Paul Elder ","Message-ID":"","References":"<20210422094102.371772-1-paul.elder@ideasonboard.com>\n\t<20210422094102.371772-8-paul.elder@ideasonboard.com>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20210422094102.371772-8-paul.elder@ideasonboard.com>","Subject":"Re: [libcamera-devel] [RFC PATCH v2 07/12] android: camera_device:\n\tSet result metadata for FULL requirements","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","Cc":"libcamera-devel@lists.libcamera.org","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]