sh::DatasetFrames Class Reference

#include <dataset-frames.h>

Collaboration diagram for sh::DatasetFrames:

Public Member Functions
	DatasetFrames (const Settings &config)
std::string	operator[] (FrameId i) const
std::vector< VideoFrame >::iterator	end ()
std::vector< VideoFrame >::iterator	begin ()
std::vector< VideoFrame >::const_iterator	end () const
std::vector< VideoFrame >::const_iterator	begin () const
size_t	get_num_videos () const
VideoFrame &	get_frame (FrameId i)
const VideoFrame &	get_frame (FrameId i) const
VideoFrame *	get_frame_ptr (FrameId i)
const VideoFrame *	get_frame_ptr (FrameId i) const
std::vector< VideoFrame >::const_iterator	get_frame_it (FrameId i) const
size_t	size () const
VideoId	get_video_id (FrameId img_ID) const
FrameRange	get_all_video_frames (VideoId video_ID) const
	Return copy of FrameRange representing all selected frames from the given video. More...
FrameRange	get_shot_frames (VideoId video_ID, size_t frame_num_from, size_t frame_num_to) const
	Returns new instance of FrameRange representing all frames from prvided video ID in interval [frame_num_from, frame_num_to]. More...
std::vector< VideoFramePointer >	ids_to_video_frame (const std::vector< FrameId > &ids) const
	Translation to VideoFrameRefs from vector ids or FrameRange. More...

Static Public Member Functions
static std::vector< VideoFramePointer >	range_to_video_frame (const FrameRange &ids)

Private Member Functions
VideoFrame	parse_video_filename (std::string &&filename)
	From filename string it parses useful info as video/shot/frame ID etc. More...
FiltersData	parse_metadata_line (const std::string &line)
	Parses the desired metadata from the metadata line. More...

Static Private Member Functions
static std::vector< std::vector< KeywordId > >	parse_top_kws_for_imgs_text_file (const std::string &filepath)
	Parses a text file with lists of top keywords for given image ID. More...

Private Attributes
std::vector< FrameRange >	_video_ID_to_frame_range
	Map from video ID to range of image IDs. More...
std::vector< VideoFrame >	_frames
std::string	frames_dir
std::string	thumbs_dir
DatasetsSettings::VideoFilenameOffsets	offs {}

Constructor & Destructor Documentation

DatasetFrames()

DatasetFrames::DatasetFrames

(

const Settings &

config

)

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Member Function Documentation

begin() [1/2]

std::vector<VideoFrame>::iterator sh::DatasetFrames::begin ( )

inline

begin() [2/2]

std::vector<VideoFrame>::const_iterator sh::DatasetFrames::begin ( ) const

inline

end() [1/2]

std::vector<VideoFrame>::iterator sh::DatasetFrames::end ( )

inline

end() [2/2]

std::vector<VideoFrame>::const_iterator sh::DatasetFrames::end ( ) const

inline

get_all_video_frames()

FrameRange sh::DatasetFrames::get_all_video_frames ( VideoId  video_ID ) const

inline

Return copy of FrameRange representing all selected frames from the given video.

get_frame() [1/2]

VideoFrame& sh::DatasetFrames::get_frame ( FrameId  i )

inline

get_frame() [2/2]

const VideoFrame& sh::DatasetFrames::get_frame ( FrameId  i ) const

inline

get_frame_it()

std::vector<VideoFrame>::const_iterator sh::DatasetFrames::get_frame_it ( FrameId  i ) const

inline

get_frame_ptr() [1/2]

VideoFrame* sh::DatasetFrames::get_frame_ptr ( FrameId  i )

inline

get_frame_ptr() [2/2]

const VideoFrame* sh::DatasetFrames::get_frame_ptr ( FrameId  i ) const

inline

get_num_videos()

size_t sh::DatasetFrames::get_num_videos ( ) const

inline

get_shot_frames()

FrameRange sh::DatasetFrames::get_shot_frames ( VideoId  video_ID, size_t  frame_num_from, size_t  frame_num_to  ) const

inline

Returns new instance of FrameRange representing all frames from prvided video ID in interval [frame_num_from, frame_num_to].

get_video_id()

VideoId sh::DatasetFrames::get_video_id ( FrameId  img_ID ) const

inline

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ids_to_video_frame()

std::vector< VideoFramePointer > DatasetFrames::ids_to_video_frame

(

const std::vector< FrameId > &

ids

)

const

Translation to VideoFrameRefs from vector ids or FrameRange.

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operator[]()

std::string sh::DatasetFrames::operator[] ( FrameId  i ) const

inline

parse_metadata_line()

FiltersData DatasetFrames::parse_metadata_line ( const std::string &  line )

private

Parses the desired metadata from the metadata line.

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parse_top_kws_for_imgs_text_file()

std::vector< std::vector< KeywordId > > DatasetFrames::parse_top_kws_for_imgs_text_file ( const std::string &  filepath )

staticprivate

Parses a text file with lists of top keywords for given image ID.

e.g: with_top.images_top_keywords.txt

Line determines image ID therefore input file must have them sorted.

parse_video_filename()

VideoFrame DatasetFrames::parse_video_filename ( std::string &&  filename )

private

From filename string it parses useful info as video/shot/frame ID etc.

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range_to_video_frame()

std::vector< VideoFramePointer > DatasetFrames::range_to_video_frame ( const FrameRange &  ids )

static

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size()

size_t sh::DatasetFrames::size ( ) const

inline

Member Data Documentation

_frames

std::vector<VideoFrame> sh::DatasetFrames::_frames

private

_video_ID_to_frame_range

std::vector<FrameRange> sh::DatasetFrames::_video_ID_to_frame_range

private

Map from video ID to range of image IDs.

frames_dir

std::string sh::DatasetFrames::frames_dir

private

offs

DatasetsSettings::VideoFilenameOffsets sh::DatasetFrames::offs {}

private

thumbs_dir

std::string sh::DatasetFrames::thumbs_dir

private

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The documentation for this class was generated from the following files:

• src/somhunter/datasets/dataset-frames.h
• src/somhunter/datasets/dataset-frames.cpp