libcamera/pinchartl/libcamera.git - Laurent Pinchart's clone of libcamera

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-rw-r-/* SPDX-License-Identifier: BSD-2-Clause */
/*
 * Copyright (C) 2019, Raspberry Pi Ltd
 *
 * black_level_status.h - black level control algorithm status
 */
#pragma once

/* The "black level" algorithm stores the black levels to use. */

struct BlackLevelStatus {
	uint16_t blackLevelR; /* out of 16 bits */
	uint16_t blackLevelG;
	uint16_t blackLevelB;
};

7'>src/ipa/rpi/cam_helper/cam_helper_imx708.cpp

@@ -21,6 +21,8 @@ using namespace RPiController;

using namespace libcamera;

using libcamera::utils::Duration;

+using namespace std::literals::chrono_literals;

namespace libcamera {

LOG_DECLARE_CATEGORY(IPARPI)

}

@@ -56,7 +58,8 @@ public:

int &vblankDelay, int &hblankDelay) const override;

bool sensorEmbeddedDataPresent() const override;

double getModeSensitivity(const CameraMode &mode) const override;

- unsigned int hideFramesModeSwitch() const override { return 1; } // seems to be required for HDR

+ unsigned int hideFramesModeSwitch() const override;

+ unsigned int hideFramesStartup() const override;

private:

@@ -225,6 +228,26 @@ double CamHelperImx708::getModeSensitivity(const CameraMode &mode) const

return (mode.width > 2304) ? 1.0 : 2.0;

}

+unsigned int CamHelperImx708::hideFramesModeSwitch() const

+ /*

+ * We need to drop the first startup frame in HDR mode.

+ * Unfortunately the only way to currently determine if the sensor is in

+ * the HDR mode is to match with the resolution and framerate - the HDR

+ * mode only runs upto 30fps.

+ */

+ if (mode_.width == 2304 && mode_.height == 1296 &&

+ mode_.minFrameDuration > 1.0s / 32)

+ return 1;

+ else

+ return 0;

+unsigned int CamHelperImx708::hideFramesStartup() const

+ return hideFramesModeSwitch();

void CamHelperImx708::populateMetadata(const MdParser::RegisterMap &registers,

Metadata &metadata) const

{


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