diff options
Diffstat (limited to 'users/flokli/ipu6-softisp/libcamera/0015-libcamera-debayer_cpu-Add-BGR888-output-support.patch')
| -rw-r--r-- | users/flokli/ipu6-softisp/libcamera/0015-libcamera-debayer_cpu-Add-BGR888-output-support.patch | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/users/flokli/ipu6-softisp/libcamera/0015-libcamera-debayer_cpu-Add-BGR888-output-support.patch b/users/flokli/ipu6-softisp/libcamera/0015-libcamera-debayer_cpu-Add-BGR888-output-support.patch new file mode 100644 index 000000000000..0abca2ea82d9 --- /dev/null +++ b/users/flokli/ipu6-softisp/libcamera/0015-libcamera-debayer_cpu-Add-BGR888-output-support.patch @@ -0,0 +1,127 @@ +From 186db51d54bcbd4d5096bea1e4396966c2dad001 Mon Sep 17 00:00:00 2001 +From: Hans de Goede <hdegoede@redhat.com> +Date: Mon, 11 Mar 2024 15:15:19 +0100 +Subject: [PATCH 15/21] libcamera: debayer_cpu: Add BGR888 output support + +BGR888 is RGB888 with the red and blue pixels swapped, adjust +the debayering to swap the red and blue pixels in the bayer pattern +to add support for writing formats::BGR888. + +Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # sc8280xp Lenovo x13s +Tested-by: Pavel Machek <pavel@ucw.cz> +Reviewed-by: Milan Zamazal <mzamazal@redhat.com> +Signed-off-by: Hans de Goede <hdegoede@redhat.com> +Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> +--- + src/libcamera/software_isp/debayer_cpu.cpp | 42 +++++++++++++++++++--- + src/libcamera/software_isp/debayer_cpu.h | 1 + + 2 files changed, 38 insertions(+), 5 deletions(-) + +diff --git a/src/libcamera/software_isp/debayer_cpu.cpp b/src/libcamera/software_isp/debayer_cpu.cpp +index eb1c2718..a1692693 100644 +--- a/src/libcamera/software_isp/debayer_cpu.cpp ++++ b/src/libcamera/software_isp/debayer_cpu.cpp +@@ -268,7 +268,7 @@ int DebayerCpu::getInputConfig(PixelFormat inputFormat, DebayerInputConfig &conf + config.bpp = (bayerFormat.bitDepth + 7) & ~7; + config.patternSize.width = 2; + config.patternSize.height = 2; +- config.outputFormats = std::vector<PixelFormat>({ formats::RGB888 }); ++ config.outputFormats = std::vector<PixelFormat>({ formats::RGB888, formats::BGR888 }); + return 0; + } + +@@ -278,7 +278,7 @@ int DebayerCpu::getInputConfig(PixelFormat inputFormat, DebayerInputConfig &conf + config.bpp = 10; + config.patternSize.width = 4; /* 5 bytes per *4* pixels */ + config.patternSize.height = 2; +- config.outputFormats = std::vector<PixelFormat>({ formats::RGB888 }); ++ config.outputFormats = std::vector<PixelFormat>({ formats::RGB888, formats::BGR888 }); + return 0; + } + +@@ -289,7 +289,7 @@ int DebayerCpu::getInputConfig(PixelFormat inputFormat, DebayerInputConfig &conf + + int DebayerCpu::getOutputConfig(PixelFormat outputFormat, DebayerOutputConfig &config) + { +- if (outputFormat == formats::RGB888) { ++ if (outputFormat == formats::RGB888 || outputFormat == formats::BGR888) { + config.bpp = 24; + return 0; + } +@@ -325,13 +325,41 @@ int DebayerCpu::setupStandardBayerOrder(BayerFormat::Order order) + return 0; + } + +-/* TODO: this ignores outputFormat since there is only 1 supported outputFormat for now */ +-int DebayerCpu::setDebayerFunctions(PixelFormat inputFormat, [[maybe_unused]] PixelFormat outputFormat) ++int DebayerCpu::setDebayerFunctions(PixelFormat inputFormat, PixelFormat outputFormat) + { + BayerFormat bayerFormat = + BayerFormat::fromPixelFormat(inputFormat); + + xShift_ = 0; ++ swapRedBlueGains_ = false; ++ ++ switch (outputFormat) { ++ case formats::RGB888: ++ break; ++ case formats::BGR888: ++ /* Swap R and B in bayer order to generate BGR888 instead of RGB888 */ ++ swapRedBlueGains_ = true; ++ ++ switch (bayerFormat.order) { ++ case BayerFormat::BGGR: ++ bayerFormat.order = BayerFormat::RGGB; ++ break; ++ case BayerFormat::GBRG: ++ bayerFormat.order = BayerFormat::GRBG; ++ break; ++ case BayerFormat::GRBG: ++ bayerFormat.order = BayerFormat::GBRG; ++ break; ++ case BayerFormat::RGGB: ++ bayerFormat.order = BayerFormat::BGGR; ++ break; ++ default: ++ goto invalid_fmt; ++ } ++ break; ++ default: ++ goto invalid_fmt; ++ } + + if ((bayerFormat.bitDepth == 8 || bayerFormat.bitDepth == 10 || bayerFormat.bitDepth == 12) && + bayerFormat.packing == BayerFormat::Packing::None && +@@ -378,6 +406,7 @@ int DebayerCpu::setDebayerFunctions(PixelFormat inputFormat, [[maybe_unused]] Pi + } + } + ++invalid_fmt: + LOG(Debayer, Error) << "Unsupported input output format combination"; + return -EINVAL; + } +@@ -661,6 +690,9 @@ void DebayerCpu::process(FrameBuffer *input, FrameBuffer *output, DebayerParams + gamma_correction_ = params.gamma; + } + ++ if (swapRedBlueGains_) ++ std::swap(params.gainR, params.gainB); ++ + for (unsigned int i = 0; i < kRGBLookupSize; i++) { + constexpr unsigned int div = + kRGBLookupSize * DebayerParams::kGain10 / kGammaLookupSize; +diff --git a/src/libcamera/software_isp/debayer_cpu.h b/src/libcamera/software_isp/debayer_cpu.h +index fd1fa180..5f44fc65 100644 +--- a/src/libcamera/software_isp/debayer_cpu.h ++++ b/src/libcamera/software_isp/debayer_cpu.h +@@ -145,6 +145,7 @@ private: + unsigned int lineBufferIndex_; + unsigned int xShift_; /* Offset of 0/1 applied to window_.x */ + bool enableInputMemcpy_; ++ bool swapRedBlueGains_; + float gamma_correction_; + unsigned int measuredFrames_; + int64_t frameProcessTime_; +-- +2.43.2 + |