14 #include <sys/types.h> 28 class CameraConfiguration;
30 class DeviceEnumerator;
34 class PipelineHandler;
56 std::vector<std::unique_ptr<FrameBuffer>> *buffers) = 0;
68 const char *
name()
const {
return name_; }
81 virtual void disconnect();
83 void doQueueRequest(
Request *request);
84 void doQueueRequests();
86 std::vector<std::shared_ptr<MediaDevice>> mediaDevices_;
87 std::vector<std::weak_ptr<Camera>> cameras_;
89 std::queue<Request *> waitingRequests_;
94 bool lockOwner_ LIBCAMERA_TSA_GUARDED_BY(lock_);
105 std::shared_ptr<PipelineHandler> create(
CameraManager *manager);
107 const std::string &
name()
const {
return name_; }
110 static std::vector<PipelineHandlerFactory *> &factories();
118 #define REGISTER_PIPELINE_HANDLER(handler) \ 119 class handler##Factory final : public PipelineHandlerFactory \ 122 handler##Factory() : PipelineHandlerFactory(#handler) {} \ 125 PipelineHandler *createInstance(CameraManager *manager) \ 127 return new handler(manager); \ 130 static handler##Factory global_##handler##Factory; virtual int queueRequestDevice(Camera *camera, Request *request)=0
Queue a request to the device.
std::mutex wrapper with clang thread safety annotation
Definition: mutex.h:119
std::vector< StreamRole > StreamRoles
A vector of StreamRole.
Definition: stream.h:71
void queueRequest(Request *request)
Queue a request.
Definition: pipeline_handler.cpp:380
bool hasPendingRequests(const Camera *camera) const
Determine if the camera has any requests pending.
Definition: pipeline_handler.cpp:335
Video stream for a camera.
Definition: stream.h:73
Top-level libcamera namespace.
Definition: backtrace.h:17
CameraManager * manager_
The Camera manager associated with the pipeline handler.
Definition: pipeline_handler.h:77
virtual void stopDevice(Camera *camera)=0
Stop capturing from all running streams.
PipelineHandler(CameraManager *manager)
Construct a PipelineHandler instance.
Definition: pipeline_handler.cpp:70
void registerRequest(Request *request)
Register a request for use by the pipeline handler.
Definition: pipeline_handler.cpp:348
Frame buffer data and its associated dynamic metadata.
Definition: framebuffer.h:49
bool completeBuffer(Request *request, FrameBuffer *buffer)
Complete a buffer for a request.
Definition: pipeline_handler.cpp:466
const std::string & name() const
Retrieve the factory name.
Definition: pipeline_handler.h:107
Video stream for a Camera.
Hold configuration for streams of the camera.
Definition: camera.h:32
virtual CameraConfiguration * generateConfiguration(Camera *camera, const StreamRoles &roles)=0
Generate a camera configuration for a specified camera.
void hotplugMediaDevice(MediaDevice *media)
Enable hotplug handling for a media device.
Definition: pipeline_handler.cpp:554
virtual int start(Camera *camera, const ControlList *controls)=0
Start capturing from a group of streams.
A frame capture request.
Definition: request.h:30
Create and manage cameras based on a set of media devices.
Definition: pipeline_handler.h:37
Camera device.
Definition: camera.h:85
const char * name() const
Retrieve the pipeline handler name.
Definition: pipeline_handler.h:68
Description of a media device search pattern.
Definition: device_enumerator.h:20
bool lock()
Lock all media devices acquired by the pipeline.
Definition: pipeline_handler.cpp:157
Mutex classes with clang thread safety annotation.
MediaDevice * acquireMediaDevice(DeviceEnumerator *enumerator, const DeviceMatch &dm)
Search and acquire a MediaDevice matching a device pattern.
Definition: pipeline_handler.cpp:130
void stop(Camera *camera)
Stop capturing from all running streams and cancel pending requests.
Definition: pipeline_handler.cpp:298
Provide access and manage all cameras in the system.
Definition: camera_manager.h:23
Enumerate, store and search media devices.
Definition: device_enumerator.h:34
void registerCamera(std::shared_ptr< Camera > camera)
Register a camera to the camera manager and pipeline handler.
Definition: pipeline_handler.cpp:515
Base object to support automatic signal disconnection.
const ControlIdMap controls
List of all supported libcamera controls.
Definition: control_ids.cpp:1301
virtual int exportFrameBuffers(Camera *camera, Stream *stream, std::vector< std::unique_ptr< FrameBuffer >> *buffers)=0
Allocate and export buffers for stream.
void completeRequest(Request *request)
Signal request completion.
Definition: pipeline_handler.cpp:487
Associate a list of ControlId with their values for an object.
Definition: controls.h:348
Framework to manage controls related to an object.
virtual int configure(Camera *camera, CameraConfiguration *config)=0
Configure a group of streams for capture.
Base object to support automatic signal disconnection.
Definition: object.h:24
void unlock()
Unlock all media devices acquired by the pipeline.
Definition: pipeline_handler.cpp:187
Registration of PipelineHandler classes and creation of instances.
Definition: pipeline_handler.h:99
virtual bool match(DeviceEnumerator *enumerator)=0
Match media devices and create camera instances.