12#include <initializer_list>
30struct StreamConfiguration;
45 virtual std::tuple<unsigned int, unsigned int>
49 const std::vector<std::reference_wrapper<StreamConfiguration>> &outputCfgs) = 0;
51 std::vector<std::unique_ptr<FrameBuffer>> *buffers) = 0;
57 const std::map<const Stream *, FrameBuffer *> &outputs) = 0;
62 const std::string &
deviceNode()
const {
return deviceNode_; }
65 std::string deviceNode_;
74 const std::vector<std::string> &
compatibles()
const {
return compatibles_; }
77 static std::vector<ConverterFactoryBase *> &
factories();
78 static std::vector<std::string>
names();
85 virtual std::unique_ptr<Converter> createInstance(
MediaDevice *media)
const = 0;
88 std::vector<std::string> compatibles_;
91template<
typename _Converter>
102 return std::make_unique<_Converter>(media);
106#define REGISTER_CONVERTER(name, converter, compatibles) \
107 static ConverterFactory<converter> global_##converter##Factory(name, compatibles);
Utilities to help constructing class interfaces.
#define LIBCAMERA_DISABLE_COPY_AND_MOVE(klass)
Disable copy and move construction and assignment of the klass.
Definition class.h:29
Base class for converter factories.
Definition converter.h:69
const std::vector< std::string > & compatibles() const
Definition converter.h:74
static std::vector< ConverterFactoryBase * > & factories()
Retrieve the list of all converter factories.
Definition converter.cpp:277
ConverterFactoryBase(const std::string name, std::initializer_list< std::string > compatibles)
Construct a converter factory base.
Definition converter.cpp:192
static std::unique_ptr< Converter > create(MediaDevice *media)
Create an instance of the converter corresponding to the media device.
Definition converter.cpp:213
static std::vector< std::string > names()
Retrieve the list of all converter factory names.
Definition converter.cpp:257
Registration of ConverterFactory classes and creation of instances.
Definition converter.h:93
std::unique_ptr< Converter > createInstance(MediaDevice *media) const override
Create an instance of the Converter corresponding to the factory.
Definition converter.h:100
ConverterFactory(const char *name, std::initializer_list< std::string > compatibles)
Construct a converter factory.
Definition converter.h:95
Abstract Base Class for converter.
Definition converter.h:33
virtual int queueBuffers(FrameBuffer *input, const std::map< const Stream *, FrameBuffer * > &outputs)=0
Queue buffers to converter device.
virtual int exportBuffers(const Stream *stream, unsigned int count, std::vector< std::unique_ptr< FrameBuffer > > *buffers)=0
Export buffers from the converter device.
virtual std::vector< PixelFormat > formats(PixelFormat input)=0
Retrieve the list of supported pixel formats for an input pixel format.
virtual int start()=0
Start the converter streaming operation.
virtual SizeRange sizes(const Size &input)=0
Retrieve the range of minimum and maximum output sizes for an input size.
Signal< FrameBuffer * > outputBufferReady
A signal emitted on each frame buffer completion of the output queue.
Definition converter.h:60
virtual bool isValid() const =0
Check if the converter configuration is valid.
virtual int configure(const StreamConfiguration &inputCfg, const std::vector< std::reference_wrapper< StreamConfiguration > > &outputCfgs)=0
Configure a set of output stream conversion from an input stream.
virtual int loadConfiguration(const std::string &filename)=0
Load converter configuration from file.
Signal< FrameBuffer * > inputBufferReady
A signal emitted when the input frame buffer completes.
Definition converter.h:59
const std::string & deviceNode() const
The converter device node attribute accessor.
Definition converter.h:62
virtual std::tuple< unsigned int, unsigned int > strideAndFrameSize(const PixelFormat &pixelFormat, const Size &size)=0
Retrieve the output stride and frame size for an input configutation.
Converter(MediaDevice *media)
Construct a Converter instance.
Definition converter.cpp:44
virtual void stop()=0
Stop the converter streaming operation.
Frame buffer data and its associated dynamic metadata.
Definition framebuffer.h:50
Generic signal and slot communication mechanism.
Definition signal.h:40
Describe a range of sizes.
Definition geometry.h:201
Describe a two-dimensional size.
Definition geometry.h:53
Video stream for a camera.
Definition stream.h:75
Data structures related to geometric objects.
Top-level libcamera namespace.
Definition backtrace.h:17
Signal & slot implementation.
Configuration parameters for a stream.
Definition stream.h:41