基于 OneVPL 实现的 G-API 流媒体源。更多…

#include <opencv2/gapi/streaming/onevpl/source.hpp>

cv::gapi::wip::onevpl::GSource 的协作图

公共成员函数
	GSource (const std::string &filePath, const CfgParams &cfg_params, const Device &device, const Context &ctx)

	GSource (const std::string &filePath, const CfgParams &cfg_params, const std::string &device_id, void accel_device_ptr, void accel_ctx_ptr)

	GSource (const std::string &filePath, const CfgParams &cfg_params, std::shared_ptr< IDeviceSelector > selector)

	GSource (const std::string &filePath, const CfgParams &cfg_params=CfgParams{})

	GSource (std::shared_ptr< IDataProvider > source, const CfgParams &cfg_params, const std::string &device_id, void accel_device_ptr, void accel_ctx_ptr)

	GSource (std::shared_ptr< IDataProvider > source, const CfgParams &cfg_params, std::shared_ptr< IDeviceSelector > selector)

	GSource (std::shared_ptr< IDataProvider > source, const CfgParams &cfg_params=CfgParams{})

	~GSource () override

GMetaArg	descr_of () const override

bool	pull (cv::gapi::wip::Data &data) override

继承自 cv::gapi::wip::IStreamSource 的公共成员函数
virtual	~IStreamSource ()=default

virtual void	halt ()

Ptr	ptr ()

其他继承成员
继承自 cv::gapi::wip::IStreamSource 的公共类型
using	Ptr = std::shared_ptr<IStreamSource>

详细描述

基于 OneVPL 实现的 G-API 流媒体源。

此类实现 IStreamSource 接口。其构造函数采用源文件路径（以通常的方式）或 onevpl::IDataProvider 接口实现（对于非基于文件的源）。它还允许通过使用多个 onevpl::CfgParam 来传递 OneVPL 配置参数。

注意: 流源通过共享指针传递给 G-API，因此请使用 gapi::make_onevpl_src<> 创建对象，并使用 ptr() 将 GSource 传递给 cv::gin()。

构造函数和析构函数文档

◆ GSource() [1/7]

cv::gapi::wip::onevpl::GSource::GSource	(	const std::string &	filePath,
		const CfgParams &	cfg_params = CfgParams{} )

◆ GSource() [2/7]

cv::gapi::wip::onevpl::GSource::GSource	(	const std::string &	filePath,
		const CfgParams &	cfg_params,
		const std::string &	device_id,
		void *	accel_device_ptr,
		void *	accel_ctx_ptr )

◆ GSource() [3/7]

cv::gapi::wip::onevpl::GSource::GSource	(	const std::string &	filePath,
		const CfgParams &	cfg_params,
		const Device &	device,
		const Context &	ctx )

◆ GSource() [4/7]

cv::gapi::wip::onevpl::GSource::GSource	(	const std::string &	filePath,
		const CfgParams &	cfg_params,
		std::shared_ptr< IDeviceSelector >	selector )

◆ GSource() [5/7]

cv::gapi::wip::onevpl::GSource::GSource	(	std::shared_ptr< IDataProvider >	source,
		const CfgParams &	cfg_params = CfgParams{} )

◆ GSource() [6/7]

cv::gapi::wip::onevpl::GSource::GSource	(	std::shared_ptr< IDataProvider >	source,
		const CfgParams &	cfg_params,
		const std::string &	device_id,
		void *	accel_device_ptr,
		void *	accel_ctx_ptr )

◆ GSource() [7/7]

cv::gapi::wip::onevpl::GSource::GSource	(	std::shared_ptr< IDataProvider >	source,
		const CfgParams &	cfg_params,
		std::shared_ptr< IDeviceSelector >	selector )

◆ ~GSource()

cv::gapi::wip::onevpl::GSource::~GSource ( )

override

成员函数文档

◆ descr_of()

GMetaArg cv::gapi::wip::onevpl::GSource::descr_of ( ) const

overridevirtual

实现 cv::gapi::wip::IStreamSource。

◆ pull()

bool cv::gapi::wip::onevpl::GSource::pull ( cv::gapi::wip::Data & data )