CVD::VFB::RawVideoFileBuffer Class Reference

#include <videofilebuffer.h>

List of all members.

Public Member Functions
std::string	codec_name ()
	What codec is being used to decode this video?
std::string	file_name ()
	What is the path to the video file?
bool	frame_pending ()
	Is there a frame waiting in the buffer? This function does not block.
double	frames_per_second ()
	What is the (expected) frame rate of this video buffer, in frames per second?
void *	get_frame ()
	Returns the next frame from the buffer. This function blocks until a frame is ready.
void	on_end_of_buffer (VideoBufferFlags::OnEndOfBuffer behaviour)
void	put_frame (void *f)
	RawVideoFileBuffer (const std::string &file, bool is_rgb)
void	seek_to (double t)
ImageRef	size ()
	The size of the VideoFrames returned by this buffer.
	~RawVideoFileBuffer ()
Private Member Functions
bool	read_next_frame ()
Private Attributes
VideoBufferFlags::OnEndOfBuffer	end_of_buffer_behaviour
bool	frame_ready
double	frame_time
SwsContext *	img_convert_ctx
bool	is_rgb
ImageRef	my_size
CVD::Image< CVD::byte >	next_frame
CVD::Image< CVD::Rgb< byte > >	next_frame_rgb
AVCodecContext *	pCodecContext
AVFormatContext *	pFormatContext
AVFrame *	pFrame
AVFrame *	pFrameRGB
double	start_time
int	video_stream

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Detailed Description

Internal (non type-safe) class used by VideoFileBuffer This does the real interfacing with the ffmpeg library

Definition at line 113 of file videofilebuffer.h.

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Constructor & Destructor Documentation

CVD::VFB::RawVideoFileBuffer::RawVideoFileBuffer	(	const std::string &	file,
		bool	is_rgb
	)

Construct a video buffer to play this file

Parameters:

	file	The path to the video file
	is_rgb	Is RGB data wanted?

CVD::VFB::RawVideoFileBuffer::~RawVideoFileBuffer

(

)

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Member Function Documentation

std::string CVD::VFB::RawVideoFileBuffer::codec_name

(

)

[inline]

What codec is being used to decode this video?

Definition at line 168 of file videofilebuffer.h.

std::string CVD::VFB::RawVideoFileBuffer::file_name

(

)

[inline]

What is the path to the video file?

Definition at line 162 of file videofilebuffer.h.

bool CVD::VFB::RawVideoFileBuffer::frame_pending

(

)

[inline]

Is there a frame waiting in the buffer? This function does not block.

Definition at line 135 of file videofilebuffer.h.

double CVD::VFB::RawVideoFileBuffer::frames_per_second

(

)

[inline]

What is the (expected) frame rate of this video buffer, in frames per second?

Definition at line 152 of file videofilebuffer.h.

void* CVD::VFB::RawVideoFileBuffer::get_frame

(

)

Returns the next frame from the buffer. This function blocks until a frame is ready.

void CVD::VFB::RawVideoFileBuffer::on_end_of_buffer

(

VideoBufferFlags::OnEndOfBuffer

behaviour

)

[inline]

What should the buffer do when it reaches the end of the list of files?

Parameters:

behaviour

The desired behaviour

Definition at line 146 of file videofilebuffer.h.

void CVD::VFB::RawVideoFileBuffer::put_frame

(

void *

f

)

Tell the buffer that you are finished with this frame.

Parameters:

f

The frame that you are finished with.

bool CVD::VFB::RawVideoFileBuffer::read_next_frame

(

)

[private]

void CVD::VFB::RawVideoFileBuffer::seek_to

(

double

t

)

Go to a particular point in the video buffer (only implemented in buffers of recorded video)

Parameters:

t

The frame time in seconds

ImageRef CVD::VFB::RawVideoFileBuffer::size

(

)

[inline]

The size of the VideoFrames returned by this buffer.

Definition at line 123 of file videofilebuffer.h.

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Member Data Documentation

VideoBufferFlags::OnEndOfBuffer CVD::VFB::RawVideoFileBuffer::end_of_buffer_behaviour [private]

Definition at line 178 of file videofilebuffer.h.

bool CVD::VFB::RawVideoFileBuffer::frame_ready [private]

Definition at line 180 of file videofilebuffer.h.

double CVD::VFB::RawVideoFileBuffer::frame_time [private]

Definition at line 192 of file videofilebuffer.h.

SwsContext* CVD::VFB::RawVideoFileBuffer::img_convert_ctx [private]

Definition at line 187 of file videofilebuffer.h.

bool CVD::VFB::RawVideoFileBuffer::is_rgb [private]

Definition at line 193 of file videofilebuffer.h.

ImageRef CVD::VFB::RawVideoFileBuffer::my_size [private]

Definition at line 177 of file videofilebuffer.h.

CVD::Image<CVD::byte> CVD::VFB::RawVideoFileBuffer::next_frame [private]

Definition at line 190 of file videofilebuffer.h.

CVD::Image<CVD::Rgb<byte> > CVD::VFB::RawVideoFileBuffer::next_frame_rgb [private]

Definition at line 189 of file videofilebuffer.h.

AVCodecContext* CVD::VFB::RawVideoFileBuffer::pCodecContext [private]

Definition at line 184 of file videofilebuffer.h.

AVFormatContext* CVD::VFB::RawVideoFileBuffer::pFormatContext [private]

Definition at line 182 of file videofilebuffer.h.

AVFrame* CVD::VFB::RawVideoFileBuffer::pFrame [private]

Definition at line 185 of file videofilebuffer.h.

AVFrame* CVD::VFB::RawVideoFileBuffer::pFrameRGB [private]

Definition at line 186 of file videofilebuffer.h.

double CVD::VFB::RawVideoFileBuffer::start_time [private]

Definition at line 179 of file videofilebuffer.h.

int CVD::VFB::RawVideoFileBuffer::video_stream [private]

Definition at line 183 of file videofilebuffer.h.

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

• videofilebuffer.h