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libcamera: camera_sensor: Register ColorFilterArrangement

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Inspect the list of media bus codes supported by the camera sensor
in order to deduce the color filter arrangement and register the
ColorFilterArrangement draft property.

Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Jacopo Mondi 2020-12-18 15:58:10 +01:00
parent 1c0096d751
commit 0a0264da8d
1 changed files with 32 additions and 4 deletions
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36
src/libcamera/camera_sensor.cpp
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@ -17,6 +17,7 @@
#include <libcamera/property_ids.h> #include <libcamera/property_ids.h>
#include "libcamera/internal/bayer_format.h"
#include "libcamera/internal/formats.h" #include "libcamera/internal/formats.h"
#include "libcamera/internal/sysfs.h" #include "libcamera/internal/sysfs.h"
#include "libcamera/internal/utils.h" #include "libcamera/internal/utils.h"
@ -178,10 +179,6 @@ int CameraSensor::init()
if (ret < 0) if (ret < 0)
return ret; return ret;
ret = initProperties();
if (ret)
return ret;
/* Enumerate, sort and cache media bus codes and sizes. */ /* Enumerate, sort and cache media bus codes and sizes. */
formats_ = subdev_->formats(pad_); formats_ = subdev_->formats(pad_);
if (formats_.empty()) { if (formats_.empty()) {
@ -210,6 +207,10 @@ int CameraSensor::init()
*/ */
resolution_ = sizes_.back(); resolution_ = sizes_.back();
ret = initProperties();
if (ret)
return ret;
return 0; return 0;
} }
@ -307,6 +308,33 @@ int CameraSensor::initProperties()
properties_.set(properties::PixelArrayActiveAreas, { crop }); properties_.set(properties::PixelArrayActiveAreas, { crop });
} }
/* Color filter array pattern, register only for RAW sensors. */
for (const auto &format : formats_) {
unsigned int mbusCode = format.first;
BayerFormat bayerFormat = BayerFormat::fromMbusCode(mbusCode);
if (!bayerFormat.isValid())
continue;
int32_t cfa;
switch (bayerFormat.order) {
case BayerFormat::BGGR:
cfa = properties::draft::BGGR;
break;
case BayerFormat::GBRG:
cfa = properties::draft::GBRG;
break;
case BayerFormat::GRBG:
cfa = properties::draft::GRBG;
break;
case BayerFormat::RGGB:
cfa = properties::draft::RGGB;
break;
}
properties_.set(properties::draft::ColorFilterArrangement, cfa);
break;
}
return 0; return 0;
} }