Video Sources

Interfaces and helpers for obtaining frames for processing. More...

Classes
struct	presage::smartspectra::video_source::VideoSourceSettings
	Configuration options for constructing a VideoSource. More...
class	presage::smartspectra::video_source::VideoSource
	Abstract interface for camera/video input sources. More...

Enumerations
enum class	presage::smartspectra::video_source::InputTransformMode : int {   None , Clockwise90 , Counterclockwise90 , Rotate180 ,   MirrorHorizontal , MirrorVertical , Unspecified_EnumEnd }
	Transformation applied to frames prior to processing.
enum class	presage::smartspectra::video_source::ResolutionSelectionMode : int { Auto , Exact , Range , Unknown_EnumEnd }

Functions
absl::StatusOr< std::shared_ptr< VideoSource > >	presage::smartspectra::video_source::BuildVideoSource (const VideoSourceSettings &settings)
	Factory helper for constructing the appropriate VideoSource implementation based on the provided settings.
std::string	presage::smartspectra::video_source::AbslUnparseFlag (InputTransformMode mode)
bool	presage::smartspectra::video_source::AbslParseFlag (absl::string_view text, InputTransformMode *mode, std::string *error)
std::string	presage::smartspectra::video_source::AbslUnparseFlag (ResolutionSelectionMode mode)
bool	presage::smartspectra::video_source::AbslParseFlag (absl::string_view text, ResolutionSelectionMode *mode, std::string *error)
std::vector< std::string >	presage::smartspectra::video_source::GetResolutionSelectionModeNames ()

Variables
const std::vector< std::string >	presage::smartspectra::video_source::kInputTransformModeNames
const std::string	presage::smartspectra::video_source::kInputTransformModeNameList = absl::StrJoin(kInputTransformModeNames, ", ")

Detailed Description

Interfaces and helpers for obtaining frames for processing.

Enumeration Type Documentation

ResolutionSelectionMode

enum class presage::smartspectra::video_source::ResolutionSelectionMode : int

strong

How capture resolution should be selected.

Function Documentation

AbslParseFlag() [1/2]

bool presage::smartspectra::video_source::AbslParseFlag	(	absl::string_view	text,
		InputTransformMode *	mode,
		std::string *	error )

Parse an input transform mode from a flag string.

AbslParseFlag() [2/2]

bool presage::smartspectra::video_source::AbslParseFlag	(	absl::string_view	text,
		ResolutionSelectionMode *	mode,
		std::string *	error )

Parse a resolution selection mode from a flag.

AbslUnparseFlag() [1/2]

std::string presage::smartspectra::video_source::AbslUnparseFlag

(

InputTransformMode

mode

)

Convert an input transform mode to a string for flags.

AbslUnparseFlag() [2/2]

std::string presage::smartspectra::video_source::AbslUnparseFlag

(

ResolutionSelectionMode

mode

)

Convert a resolution selection mode to a string for flags.

GetResolutionSelectionModeNames()

std::vector< std::string > presage::smartspectra::video_source::GetResolutionSelectionModeNames

(

)

Names of the available resolution selection modes.

Variable Documentation

kInputTransformModeNameList

const std::string presage::smartspectra::video_source::kInputTransformModeNameList = absl::StrJoin(kInputTransformModeNames, ", ")

Comma separated list of mode names.

kInputTransformModeNames

const std::vector< std::string > presage::smartspectra::video_source::kInputTransformModeNames

Initial value:

= []() {
    std::vector<std::string> names;
    for (
        InputTransformMode mode = static_cast<InputTransformMode>(0);
        mode < InputTransformMode::Unspecified_EnumEnd;
        ++(int & )mode
    ) {
 
        names.push_back(AbslUnparseFlag(mode));
    }
 
    return names;
}()

List of input transform mode names.