The video cache class. More...

#include <Qt/VideoCacheThread.h>

Inheritance diagram for openshot::VideoCacheThread:

Public Member Functions
bool	isReady ()
	Is cache ready for video/audio playback.

Protected Member Functions
int64_t	getBytes (int width, int height, int sample_rate, int channels, float fps)
	Get the size in bytes of a frame (rough estimate)

int	getSpeed () const
	Get Speed (The speed and direction to playback a reader (1=normal, 2=fast, 3=faster, -1=rewind, etc...)

void	Play ()
	Play the video.

void	Reader (ReaderBase *new_reader)
	Set the current thread's reader.

void	run ()
	Start the thread.

void	Seek (int64_t new_position)
	Seek the reader to a particular frame number.

void	Seek (int64_t new_position, bool start_preroll)
	Seek the reader to a particular frame number and optionally start the pre-roll.

void	setSpeed (int new_speed)
	Set Speed (The speed and direction to playback a reader (1=normal, 2=fast, 3=faster, -1=rewind, etc...)

void	Stop ()
	Stop the audio playback.

	VideoCacheThread ()
	Constructor.

	~VideoCacheThread ()
	Destructor.

Protected Attributes
int64_t	cached_frame_count = 0

int64_t	current_display_frame

bool	is_playing

std::shared_ptr< Frame >	last_cached_frame

int	last_speed

int64_t	max_frames_ahead

int64_t	min_frames_ahead

ReaderBase *	reader

int64_t	requested_display_frame

bool	should_break

bool	should_pause_cache

int	speed

int64_t	timeline_max_frame

Friends
class	PlayerPrivate
	Parent class of VideoCacheThread.

class	QtPlayer

Detailed Description

The video cache class.

Definition at line 29 of file VideoCacheThread.h.

Constructor & Destructor Documentation

◆ VideoCacheThread()

openshot::VideoCacheThread::VideoCacheThread ( )

protected

Constructor.

Definition at line 29 of file VideoCacheThread.cpp.

◆ ~VideoCacheThread()

openshot::VideoCacheThread::~VideoCacheThread ( )

protected

Destructor.

Definition at line 38 of file VideoCacheThread.cpp.

Member Function Documentation

◆ getBytes()

int64_t openshot::VideoCacheThread::getBytes	(	int	width,
		int	height,
		int	sample_rate,
		int	channels,
		float	fps
	)

protected

Get the size in bytes of a frame (rough estimate)

Definition at line 110 of file VideoCacheThread.cpp.

Referenced by run().

◆ getSpeed()

int openshot::VideoCacheThread::getSpeed ( ) const

inlineprotected

Get Speed (The speed and direction to playback a reader (1=normal, 2=fast, 3=faster, -1=rewind, etc...)

Definition at line 55 of file VideoCacheThread.h.

◆ isReady()

bool openshot::VideoCacheThread::isReady ( )

Is cache ready for video/audio playback.

Definition at line 135 of file VideoCacheThread.cpp.

Referenced by openshot::AudioReaderSource::getNextAudioBlock().

◆ Play()

void openshot::VideoCacheThread::Play ( )

protected

Play the video.

Definition at line 123 of file VideoCacheThread.cpp.

Referenced by Reader().

◆ Reader()

void openshot::VideoCacheThread::Reader ( ReaderBase * new_reader )

inlineprotected

Set the current thread's reader.

Definition at line 76 of file VideoCacheThread.h.

Referenced by openshot::QtPlayer::Reader().

◆ run()

void openshot::VideoCacheThread::run ( )

protected

Start the thread.

Definition at line 140 of file VideoCacheThread.cpp.

◆ Seek() [1/2]

void openshot::VideoCacheThread::Seek ( int64_t new_position )

protected

Seek the reader to a particular frame number.

Definition at line 43 of file VideoCacheThread.cpp.

Referenced by openshot::QtPlayer::Seek(), and Seek().

◆ Seek() [2/2]

void openshot::VideoCacheThread::Seek	(	int64_t	new_position,
		bool	start_preroll
	)

protected

Seek the reader to a particular frame number and optionally start the pre-roll.

Definition at line 49 of file VideoCacheThread.cpp.

◆ setSpeed()

void openshot::VideoCacheThread::setSpeed ( int new_speed )

protected

Set Speed (The speed and direction to playback a reader (1=normal, 2=fast, 3=faster, -1=rewind, etc...)

Definition at line 101 of file VideoCacheThread.cpp.

Referenced by openshot::QtPlayer::Speed().

◆ Stop()

void openshot::VideoCacheThread::Stop ( )

protected

Stop the audio playback.

Definition at line 129 of file VideoCacheThread.cpp.

Referenced by openshot::QtPlayer::Stop().

Friends And Related Symbol Documentation

◆ PlayerPrivate

friend class PlayerPrivate

friend

Parent class of VideoCacheThread.

Definition at line 79 of file VideoCacheThread.h.

◆ QtPlayer

friend class QtPlayer

friend

Definition at line 80 of file VideoCacheThread.h.

Member Data Documentation

◆ cached_frame_count

int64_t openshot::VideoCacheThread::cached_frame_count = 0

protected

Definition at line 38 of file VideoCacheThread.h.

Referenced by isReady(), run(), and Seek().

◆ current_display_frame

int64_t openshot::VideoCacheThread::current_display_frame

protected

Definition at line 37 of file VideoCacheThread.h.

Referenced by run().

◆ is_playing

bool openshot::VideoCacheThread::is_playing

protected

Definition at line 35 of file VideoCacheThread.h.

Referenced by Play(), run(), and Stop().

◆ last_cached_frame

std::shared_ptr<Frame> openshot::VideoCacheThread::last_cached_frame

protected

Definition at line 32 of file VideoCacheThread.h.

Referenced by run().

◆ last_speed

int openshot::VideoCacheThread::last_speed

protected

Definition at line 34 of file VideoCacheThread.h.

Referenced by run(), Seek(), and setSpeed().

◆ max_frames_ahead

int64_t openshot::VideoCacheThread::max_frames_ahead

protected

Definition at line 41 of file VideoCacheThread.h.

Referenced by run().

◆ min_frames_ahead

int64_t openshot::VideoCacheThread::min_frames_ahead

protected

Definition at line 40 of file VideoCacheThread.h.

Referenced by isReady(), and run().

◆ reader

ReaderBase* openshot::VideoCacheThread::reader

protected

Definition at line 39 of file VideoCacheThread.h.

Referenced by Reader(), run(), and Seek().

◆ requested_display_frame

int64_t openshot::VideoCacheThread::requested_display_frame

protected

Definition at line 36 of file VideoCacheThread.h.

Referenced by run(), and Seek().

◆ should_break

bool openshot::VideoCacheThread::should_break

protected

Definition at line 44 of file VideoCacheThread.h.

Referenced by run(), and Seek().

◆ should_pause_cache

bool openshot::VideoCacheThread::should_pause_cache

protected

Definition at line 43 of file VideoCacheThread.h.

Referenced by run(), and Seek().

◆ speed

int openshot::VideoCacheThread::speed

protected

Definition at line 33 of file VideoCacheThread.h.

Referenced by getSpeed(), run(), Seek(), and setSpeed().

◆ timeline_max_frame

int64_t openshot::VideoCacheThread::timeline_max_frame

protected

Definition at line 42 of file VideoCacheThread.h.

Referenced by run(), and Seek().

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

Qt/VideoCacheThread.h
Qt/VideoCacheThread.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ VideoCacheThread()

◆ ~VideoCacheThread()

Member Function Documentation

◆ getBytes()

◆ getSpeed()

◆ isReady()

◆ Play()

◆ Reader()

◆ run()

◆ Seek() [1/2]

◆ Seek() [2/2]

◆ setSpeed()

◆ Stop()

Friends And Related Symbol Documentation

◆ PlayerPrivate

◆ QtPlayer

Member Data Documentation

◆ cached_frame_count

◆ current_display_frame

◆ is_playing

◆ last_cached_frame

◆ last_speed

◆ max_frames_ahead

◆ min_frames_ahead

◆ reader

◆ requested_display_frame

◆ should_break

◆ should_pause_cache

◆ speed

◆ timeline_max_frame