tvl-depot/users/flokli/ipu6-softisp/libcamera/0015-libcamera-debayer_cpu-Add-BGR888-output-support.patch
Florian Klink 9948eb64d1 chore(users/flokli/ipu6-softisp): refresh libcamera patches
Refresh them with the patches from
https://patchwork.libcamera.org/cover/19663/.

This is still based off v0.2.0.

Change-Id: I875fd64e3bb71a95c92af1108a23d27c0f3494e0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11179
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: flokli <flokli@flokli.de>
2024-03-19 06:59:57 +00:00

127 lines
4.5 KiB
Diff

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