diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libcamera/pipeline/vimc.cpp | 93 |
1 files changed, 84 insertions, 9 deletions
diff --git a/src/libcamera/pipeline/vimc.cpp b/src/libcamera/pipeline/vimc.cpp index 3d680822..f8f91d62 100644 --- a/src/libcamera/pipeline/vimc.cpp +++ b/src/libcamera/pipeline/vimc.cpp @@ -10,6 +10,8 @@ #include <iomanip> #include <tuple> +#include <linux/media-bus-format.h> + #include <libcamera/camera.h> #include <libcamera/controls.h> #include <libcamera/ipa/ipa_interface.h> @@ -25,6 +27,7 @@ #include "pipeline_handler.h" #include "utils.h" #include "v4l2_controls.h" +#include "v4l2_subdevice.h" #include "v4l2_videodevice.h" namespace libcamera { @@ -35,21 +38,28 @@ class VimcCameraData : public CameraData { public: VimcCameraData(PipelineHandler *pipe) - : CameraData(pipe), video_(nullptr), sensor_(nullptr) + : CameraData(pipe), sensor_(nullptr), debayer_(nullptr), + scaler_(nullptr), video_(nullptr), raw_(nullptr) { } ~VimcCameraData() { delete sensor_; + delete debayer_; + delete scaler_; delete video_; + delete raw_; } int init(MediaDevice *media); void bufferReady(Buffer *buffer); - V4L2VideoDevice *video_; CameraSensor *sensor_; + V4L2Subdevice *debayer_; + V4L2Subdevice *scaler_; + V4L2VideoDevice *video_; + V4L2VideoDevice *raw_; Stream stream_; }; @@ -131,8 +141,11 @@ CameraConfiguration::Status VimcCameraConfiguration::validate() /* Clamp the size based on the device limits. */ const Size size = cfg.size; - cfg.size.width = std::max(16U, std::min(4096U, cfg.size.width)); - cfg.size.height = std::max(16U, std::min(2160U, cfg.size.height)); + /* The scaler hardcodes a x3 scale-up ratio. */ + cfg.size.width = std::max(48U, std::min(4096U, cfg.size.width)); + cfg.size.height = std::max(48U, std::min(2160U, cfg.size.height)); + cfg.size.width -= cfg.size.width % 3; + cfg.size.height -= cfg.size.height % 3; if (cfg.size != size) { LOG(VIMC, Debug) @@ -160,7 +173,7 @@ CameraConfiguration *PipelineHandlerVimc::generateConfiguration(Camera *camera, StreamConfiguration cfg{}; cfg.pixelFormat = V4L2_PIX_FMT_RGB24; - cfg.size = { 640, 480 }; + cfg.size = { 1920, 1080 }; cfg.bufferCount = 4; config->addConfiguration(cfg); @@ -176,6 +189,33 @@ int PipelineHandlerVimc::configure(Camera *camera, CameraConfiguration *config) StreamConfiguration &cfg = config->at(0); int ret; + /* The scaler hardcodes a x3 scale-up ratio. */ + V4L2SubdeviceFormat subformat = {}; + subformat.mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8; + subformat.size = { cfg.size.width / 3, cfg.size.height / 3 }; + + ret = data->sensor_->setFormat(&subformat); + if (ret) + return ret; + + ret = data->debayer_->setFormat(0, &subformat); + if (ret) + return ret; + + subformat.mbus_code = MEDIA_BUS_FMT_RGB888_1X24; + ret = data->debayer_->setFormat(1, &subformat); + if (ret) + return ret; + + ret = data->scaler_->setFormat(0, &subformat); + if (ret) + return ret; + + subformat.size = cfg.size; + ret = data->scaler_->setFormat(1, &subformat); + if (ret) + return ret; + V4L2DeviceFormat format = {}; format.fourcc = cfg.pixelFormat; format.size = cfg.size; @@ -188,6 +228,17 @@ int PipelineHandlerVimc::configure(Camera *camera, CameraConfiguration *config) format.fourcc != cfg.pixelFormat) return -EINVAL; + /* + * Format has to be set on the raw capture video node, otherwise the + * vimc driver will fail pipeline validation. + */ + format.fourcc = V4L2_PIX_FMT_SGRBG8; + format.size = { cfg.size.width / 3, cfg.size.height / 3 }; + + ret = data->raw_->setFormat(&format); + if (ret) + return ret; + cfg.setStream(&data->stream_); return 0; @@ -335,18 +386,42 @@ int VimcCameraData::init(MediaDevice *media) { int ret; - /* Create and open the video device and the camera sensor. */ - video_ = new V4L2VideoDevice(media->getEntityByName("Raw Capture 1")); - if (video_->open()) + ret = media->disableLinks(); + if (ret < 0) + return ret; + + MediaLink *link = media->link("Debayer B", 1, "Scaler", 0); + if (!link) return -ENODEV; - video_->bufferReady.connect(this, &VimcCameraData::bufferReady); + ret = link->setEnabled(true); + if (ret < 0) + return ret; + /* Create and open the camera sensor, debayer, scaler and video device. */ sensor_ = new CameraSensor(media->getEntityByName("Sensor B")); ret = sensor_->init(); if (ret) return ret; + debayer_ = new V4L2Subdevice(media->getEntityByName("Debayer B")); + if (debayer_->open()) + return -ENODEV; + + scaler_ = new V4L2Subdevice(media->getEntityByName("Scaler")); + if (scaler_->open()) + return -ENODEV; + + video_ = new V4L2VideoDevice(media->getEntityByName("RGB/YUV Capture")); + if (video_->open()) + return -ENODEV; + + video_->bufferReady.connect(this, &VimcCameraData::bufferReady); + + raw_ = new V4L2VideoDevice(media->getEntityByName("Raw Capture 1")); + if (raw_->open()) + return -ENODEV; + /* Initialise the supported controls. */ const V4L2ControlInfoMap &controls = sensor_->controls(); for (const auto &ctrl : controls) { |