From 167f751701d838538c656b9ae2b566e005489f6c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= Date: Thu, 20 Dec 2018 01:38:09 +0100 Subject: libcamera: pipeline: vimc: add pipeline handler for vimc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Provide a pipeline handler for the virtual vimc driver. Signed-off-by: Niklas Söderlund Reviewed-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- src/libcamera/meson.build | 2 + src/libcamera/pipeline/meson.build | 3 ++ src/libcamera/pipeline/vimc.cpp | 92 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 97 insertions(+) create mode 100644 src/libcamera/pipeline/meson.build create mode 100644 src/libcamera/pipeline/vimc.cpp diff --git a/src/libcamera/meson.build b/src/libcamera/meson.build index a8cb3fdc..ac5bba05 100644 --- a/src/libcamera/meson.build +++ b/src/libcamera/meson.build @@ -21,6 +21,8 @@ includes = [ libcamera_internal_includes, ] +subdir('pipeline') + libudev = dependency('libudev') libcamera = shared_library('camera', diff --git a/src/libcamera/pipeline/meson.build b/src/libcamera/pipeline/meson.build new file mode 100644 index 00000000..615ecd20 --- /dev/null +++ b/src/libcamera/pipeline/meson.build @@ -0,0 +1,3 @@ +libcamera_sources += files([ + 'vimc.cpp', +]) diff --git a/src/libcamera/pipeline/vimc.cpp b/src/libcamera/pipeline/vimc.cpp new file mode 100644 index 00000000..b1e2d32c --- /dev/null +++ b/src/libcamera/pipeline/vimc.cpp @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2018, Google Inc. + * + * vimc.cpp - Pipeline handler for the vimc device + */ + +#include + +#include "device_enumerator.h" +#include "pipeline_handler.h" + +namespace libcamera { + +class PipeHandlerVimc : public PipelineHandler +{ +public: + PipeHandlerVimc(); + ~PipeHandlerVimc(); + + bool match(DeviceEnumerator *enumerator); + + unsigned int count(); + Camera *camera(unsigned int id) final; + +private: + DeviceInfo *info_; + Camera *camera_; +}; + +PipeHandlerVimc::PipeHandlerVimc() + : info_(nullptr), camera_(nullptr) +{ +} + +PipeHandlerVimc::~PipeHandlerVimc() +{ + if (camera_) + camera_->put(); + + if (info_) + info_->release(); +} + +unsigned int PipeHandlerVimc::count() +{ + return 1; +} + +Camera *PipeHandlerVimc::camera(unsigned int id) +{ + if (id != 0) + return nullptr; + + return camera_; +} + +bool PipeHandlerVimc::match(DeviceEnumerator *enumerator) +{ + DeviceMatch dm("vimc"); + + dm.add("Raw Capture 0"); + dm.add("Raw Capture 1"); + dm.add("RGB/YUV Capture"); + dm.add("Sensor A"); + dm.add("Sensor B"); + dm.add("Debayer A"); + dm.add("Debayer B"); + dm.add("RGB/YUV Input"); + dm.add("Scaler"); + + info_ = enumerator->search(dm); + if (!info_) + return false; + + info_->acquire(); + + /* + * NOTE: A more complete Camera implementation could + * be passed the DeviceInfo(s) it controls here or + * a reference to the PipelineHandler. Which method + * will be chosen depends on how the Camera + * object is modeled. + */ + camera_ = new Camera("Dummy VIMC Camera"); + + return true; +} + +REGISTER_PIPELINE_HANDLER(PipeHandlerVimc); + +} /* namespace libcamera */ -- cgit v1.2.1