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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* rkisp1path.cpp - Rockchip ISP1 path helper
*/
#include "rkisp1_path.h"
#include <libcamera/stream.h>
#include "libcamera/internal/media_device.h"
#include "libcamera/internal/v4l2_subdevice.h"
#include "libcamera/internal/v4l2_videodevice.h"
namespace libcamera {
LOG_DECLARE_CATEGORY(RkISP1)
RkISP1Path::RkISP1Path(const char *name)
: video_(nullptr), name_(name), resizer_(nullptr)
{
}
RkISP1Path::~RkISP1Path()
{
delete video_;
delete resizer_;
}
bool RkISP1Path::init(MediaDevice *media)
{
std::string resizer = std::string("rkisp1_resizer_") + name_ + "path";
std::string video = std::string("rkisp1_") + name_ + "path";
resizer_ = V4L2Subdevice::fromEntityName(media, resizer);
if (resizer_->open() < 0)
return false;
video_ = V4L2VideoDevice::fromEntityName(media, video);
if (video_->open() < 0)
return false;
return true;
}
int RkISP1Path::configure(const StreamConfiguration &config,
const V4L2SubdeviceFormat &inputFormat)
{
int ret;
V4L2SubdeviceFormat ispFormat = inputFormat;
ret = resizer_->setFormat(0, &ispFormat);
if (ret < 0)
return ret;
LOG(RkISP1, Debug)
<< "Configured " << name_ << " resizer input pad with "
<< ispFormat.toString();
ispFormat.size = config.size;
LOG(RkISP1, Debug)
<< "Configuring " << name_ << " resizer output pad with "
<< ispFormat.toString();
ret = resizer_->setFormat(1, &ispFormat);
if (ret < 0)
return ret;
LOG(RkISP1, Debug)
<< "Configured " << name_ << " resizer output pad with "
<< ispFormat.toString();
const PixelFormatInfo &info = PixelFormatInfo::info(config.pixelFormat);
V4L2DeviceFormat outputFormat = {};
outputFormat.fourcc = video_->toV4L2PixelFormat(config.pixelFormat);
outputFormat.size = config.size;
outputFormat.planesCount = info.numPlanes();
ret = video_->setFormat(&outputFormat);
if (ret)
return ret;
if (outputFormat.size != config.size ||
outputFormat.fourcc != video_->toV4L2PixelFormat(config.pixelFormat)) {
LOG(RkISP1, Error)
<< "Unable to configure capture in " << config.toString();
return -EINVAL;
}
return 0;
}
RkISP1MainPath::RkISP1MainPath()
: RkISP1Path("main")
{
}
RkISP1SelfPath::RkISP1SelfPath()
: RkISP1Path("self")
{
}
} /* namespace libcamera */
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