diff options
Diffstat (limited to 'src/ipa/raspberrypi/cam_helper_imx477.cpp')
| -rw-r--r-- | src/ipa/raspberrypi/cam_helper_imx477.cpp | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/src/ipa/raspberrypi/cam_helper_imx477.cpp b/src/ipa/raspberrypi/cam_helper_imx477.cpp index 76a82cc5..19a5e471 100644 --- a/src/ipa/raspberrypi/cam_helper_imx477.cpp +++ b/src/ipa/raspberrypi/cam_helper_imx477.cpp @@ -46,8 +46,8 @@ public: uint32_t gainCode(double gain) const override; double gain(uint32_t gainCode) const override; void prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata) override; - uint32_t getVBlanking(Duration &exposure, Duration minFrameDuration, - Duration maxFrameDuration) const override; + std::pair<uint32_t, uint32_t> getBlanking(Duration &exposure, Duration minFrameDuration, + Duration maxFrameDuration) const override; void getDelays(int &exposureDelay, int &gainDelay, int &vblankDelay, int &hblankDelay) const override; bool sensorEmbeddedDataPresent() const override; @@ -118,15 +118,19 @@ void CamHelperImx477::prepare(libcamera::Span<const uint8_t> buffer, Metadata &m } } -uint32_t CamHelperImx477::getVBlanking(Duration &exposure, - Duration minFrameDuration, - Duration maxFrameDuration) const +std::pair<uint32_t, uint32_t> CamHelperImx477::getBlanking(Duration &exposure, + Duration minFrameDuration, + Duration maxFrameDuration) const { uint32_t frameLength, exposureLines; unsigned int shift = 0; - frameLength = mode_.height + CamHelper::getVBlanking(exposure, minFrameDuration, - maxFrameDuration); + auto [vblank, hblank] = CamHelper::getBlanking(exposure, minFrameDuration, + maxFrameDuration); + + frameLength = mode_.height + vblank; + Duration lineLength = hblankToLineLength(hblank); + /* * Check if the frame length calculated needs to be setup for long * exposure mode. This will require us to use a long exposure scale @@ -144,12 +148,12 @@ uint32_t CamHelperImx477::getVBlanking(Duration &exposure, if (shift) { /* Account for any rounding in the scaled frame length value. */ frameLength <<= shift; - exposureLines = CamHelperImx477::exposureLines(exposure, mode_.minLineLength); + exposureLines = CamHelperImx477::exposureLines(exposure, lineLength); exposureLines = std::min(exposureLines, frameLength - frameIntegrationDiff); - exposure = CamHelperImx477::exposure(exposureLines, mode_.minLineLength); + exposure = CamHelperImx477::exposure(exposureLines, lineLength); } - return frameLength - mode_.height; + return { frameLength - mode_.height, hblank }; } void CamHelperImx477::getDelays(int &exposureDelay, int &gainDelay, |