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ipa: raspberrypi: Extract line length from the embedded data parser

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Update the imx219, imx477 and imx519 parsers to extract the line length
values from the embedded data stream and use these values in the
deviceStatus metadata, replacing the DelayedControls provided values.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Tested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2022-10-06 14:17:44 +01:00 • committed by Laurent Pinchart
parent cb4c5f3e44
commit eb02e62e6f
4 changed files with 23 additions and 7 deletions
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3
src/ipa/raspberrypi/cam_helper.cpp
View file

@ -222,7 +222,7 @@ void CamHelper::parseEmbeddedData(Span<const uint8_t> buffer,
metadata.merge(parsedMetadata);
/*
* Overwrite the exposure/gain, frame length and sensor temperature values
* Overwrite the exposure/gain, line/frame length and sensor temperature values
* in the existing DeviceStatus with values from the parsed embedded buffer.
* Fetch it first in case any other fields were set meaningfully.
*/
@ -236,6 +236,7 @@ void CamHelper::parseEmbeddedData(Span<const uint8_t> buffer,
deviceStatus.shutterSpeed = parsedDeviceStatus.shutterSpeed;
deviceStatus.analogueGain = parsedDeviceStatus.analogueGain;
deviceStatus.frameLength = parsedDeviceStatus.frameLength;
deviceStatus.lineLength = parsedDeviceStatus.lineLength;
if (parsedDeviceStatus.sensorTemperature)
deviceStatus.sensorTemperature = parsedDeviceStatus.sensorTemperature;

9
src/ipa/raspberrypi/cam_helper_imx219.cpp
View file

@ -32,8 +32,11 @@ constexpr uint32_t expHiReg = 0x15a;
constexpr uint32_t expLoReg = 0x15b;
constexpr uint32_t frameLengthHiReg = 0x160;
constexpr uint32_t frameLengthLoReg = 0x161;
constexpr uint32_t lineLengthHiReg = 0x162;
constexpr uint32_t lineLengthLoReg = 0x163;
constexpr std::initializer_list<uint32_t> registerList [[maybe_unused]]
= { expHiReg, expLoReg, gainReg, frameLengthHiReg, frameLengthLoReg };
= { expHiReg, expLoReg, gainReg, frameLengthHiReg, frameLengthLoReg,
lineLengthHiReg, lineLengthLoReg };
class CamHelperImx219 : public CamHelper
{
@ -94,8 +97,10 @@ void CamHelperImx219::populateMetadata(const MdParser::RegisterMap &registers,
{
DeviceStatus deviceStatus;
deviceStatus.lineLength = lineLengthPckToDuration(registers.at(lineLengthHiReg) * 256 +
registers.at(lineLengthLoReg));
deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg),
mode_.minLineLength);
deviceStatus.lineLength);
deviceStatus.analogueGain = gain(registers.at(gainReg));
deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);

9
src/ipa/raspberrypi/cam_helper_imx477.cpp
View file

@ -35,9 +35,12 @@ constexpr uint32_t gainHiReg = 0x0204;
constexpr uint32_t gainLoReg = 0x0205;
constexpr uint32_t frameLengthHiReg = 0x0340;
constexpr uint32_t frameLengthLoReg = 0x0341;
constexpr uint32_t lineLengthHiReg = 0x0342;
constexpr uint32_t lineLengthLoReg = 0x0343;
constexpr uint32_t temperatureReg = 0x013a;
constexpr std::initializer_list<uint32_t> registerList =
{ expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg, temperatureReg };
{ expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg,
lineLengthHiReg, lineLengthLoReg, temperatureReg };
class CamHelperImx477 : public CamHelper
{
@ -175,8 +178,10 @@ void CamHelperImx477::populateMetadata(const MdParser::RegisterMap &registers,
{
DeviceStatus deviceStatus;
deviceStatus.lineLength = lineLengthPckToDuration(registers.at(lineLengthHiReg) * 256 +
registers.at(lineLengthLoReg));
deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg),
mode_.minLineLength);
deviceStatus.lineLength);
deviceStatus.analogueGain = gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
deviceStatus.sensorTemperature = std::clamp<int8_t>(registers.at(temperatureReg), -20, 80);

9
src/ipa/raspberrypi/cam_helper_imx519.cpp
View file

@ -36,8 +36,11 @@ constexpr uint32_t gainHiReg = 0x0204;
constexpr uint32_t gainLoReg = 0x0205;
constexpr uint32_t frameLengthHiReg = 0x0340;
constexpr uint32_t frameLengthLoReg = 0x0341;
constexpr uint32_t lineLengthHiReg = 0x0342;
constexpr uint32_t lineLengthLoReg = 0x0343;
constexpr std::initializer_list<uint32_t> registerList =
{ expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg };
{ expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg,
lineLengthHiReg, lineLengthLoReg };
class CamHelperImx519 : public CamHelper
{
@ -175,8 +178,10 @@ void CamHelperImx519::populateMetadata(const MdParser::RegisterMap &registers,
{
DeviceStatus deviceStatus;
deviceStatus.lineLength = lineLengthPckToDuration(registers.at(lineLengthHiReg) * 256 +
registers.at(lineLengthLoReg));
deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg),
mode_.minLineLength);
deviceStatus.lineLength);
deviceStatus.analogueGain = gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);