galaxy::media::Video Class Reference

Plays an MPEG-1 video. More...

#include <Video.hpp>

Collaboration diagram for galaxy::media::Video:

Public Member Functions
	Video ()
	Constructor.
	~Video ()
	Destructor.
bool	load (const std::string &file)
	Load a MPEG-1 from video file.
void	build ()
	Build opengl data.
void	update ()
	Update video decoder.
void	render ()
	Render video.
bool	is_finished () const
	Check if video is finished.
double	get_time () const
	Get current playtime.
double	get_framerate () const
	Get video framerate.
int	get_samplerate () const
	Get video sample rate.
double	get_duration () const
	Get video duration.

Private Member Functions
unsigned int	create_texture (unsigned int index, const char *uniform)
	Internal function to generate video frame texture.
void	update_texture (unsigned int unit, unsigned int texture, const plm_plane_t *plane)
	Internal function to update video frame data.

Private Attributes
plm_t *	m_plm
	PLM decoder data.
ma_device *	m_audio
	Audio data.
meta::vector< uint8_t >	m_buffer
	Video data buffer.
std::unique_ptr< RingBuffer >	m_audio_buffer
	Buffer for audio decoding.
unsigned int	m_texture_y
	PLM video frame y.
unsigned int	m_texture_cb
	PLM video frame cb.
unsigned int	m_texture_cr
	PLM video frame cr.
unsigned int	m_vao
	PLM video frame vertex array object.
unsigned int	m_vbo
	PLM video frame vertex buffer.
unsigned int	m_ibo
	PLM video frame index buffer.
graphics::Shader	m_shader
	PLM video shader.

Detailed Description

Plays an MPEG-1 video.

No audio support yet.

Definition at line 26 of file Video.hpp.

Constructor & Destructor Documentation

Video()

galaxy::media::Video::Video

(

)

Constructor.

Definition at line 48 of file Video.cpp.

~Video()

galaxy::media::Video::~Video

(

)

Destructor.

Definition at line 61 of file Video.cpp.

Member Function Documentation

load()

bool galaxy::media::Video::load ( const std::string & file )

nodiscard

Load a MPEG-1 from video file.

Parameters

file	File to load.

Returns

True if successful.

Definition at line 101 of file Video.cpp.

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build()

void galaxy::media::Video::build

(

)

Build opengl data.

Definition at line 178 of file Video.cpp.

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update()

void galaxy::media::Video::update

(

)

Update video decoder.

Definition at line 199 of file Video.cpp.

render()

void galaxy::media::Video::render

(

)

Render video.

Definition at line 212 of file Video.cpp.

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is_finished()

bool galaxy::media::Video::is_finished ( ) const

nodiscard

Check if video is finished.

Returns

True if finished.

Definition at line 221 of file Video.cpp.

get_time()

double galaxy::media::Video::get_time ( ) const

nodiscard

Get current playtime.

Returns

In seconds.

Definition at line 231 of file Video.cpp.

get_framerate()

double galaxy::media::Video::get_framerate ( ) const

nodiscard

Get video framerate.

Returns

Double.

Definition at line 241 of file Video.cpp.

get_samplerate()

int galaxy::media::Video::get_samplerate ( ) const

nodiscard

Get video sample rate.

Returns

Int.

Definition at line 251 of file Video.cpp.

get_duration()

double galaxy::media::Video::get_duration ( ) const

nodiscard

Get video duration.

Returns

Double.

Definition at line 261 of file Video.cpp.

create_texture()

unsigned int galaxy::media::Video::create_texture ( unsigned int index, const char * uniform )

private

Internal function to generate video frame texture.

Parameters

index	Sampler index.
uniform	Shader uniform index.

Returns

Returns created texture id from OpenGL.

Definition at line 271 of file Video.cpp.

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update_texture()

void galaxy::media::Video::update_texture ( unsigned int unit, unsigned int texture, const plm_plane_t * plane )

private

Internal function to update video frame data.

Parameters

unit	Texture unit.
texture	GL texture handle.
plane	PLM decoder data.

Definition at line 292 of file Video.cpp.

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Member Data Documentation

m_plm

plm_t* galaxy::media::Video::m_plm

private

PLM decoder data.

Definition at line 128 of file Video.hpp.

m_audio

ma_device* galaxy::media::Video::m_audio

private

Audio data.

Definition at line 133 of file Video.hpp.

m_buffer

meta::vector<uint8_t> galaxy::media::Video::m_buffer

private

Video data buffer.

Definition at line 138 of file Video.hpp.

m_audio_buffer

std::unique_ptr<RingBuffer> galaxy::media::Video::m_audio_buffer

private

Buffer for audio decoding.

Definition at line 143 of file Video.hpp.

m_texture_y

unsigned int galaxy::media::Video::m_texture_y

private

PLM video frame y.

Definition at line 148 of file Video.hpp.

m_texture_cb

unsigned int galaxy::media::Video::m_texture_cb

private

PLM video frame cb.

Definition at line 153 of file Video.hpp.

m_texture_cr

unsigned int galaxy::media::Video::m_texture_cr

private

PLM video frame cr.

Definition at line 158 of file Video.hpp.

m_vao

unsigned int galaxy::media::Video::m_vao

private

PLM video frame vertex array object.

Definition at line 163 of file Video.hpp.

m_vbo

unsigned int galaxy::media::Video::m_vbo

private

PLM video frame vertex buffer.

Definition at line 168 of file Video.hpp.

m_ibo

unsigned int galaxy::media::Video::m_ibo

private

PLM video frame index buffer.

Definition at line 173 of file Video.hpp.

m_shader

graphics::Shader galaxy::media::Video::m_shader

private

PLM video shader.

Definition at line 178 of file Video.hpp.

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

• galaxy/src/galaxy/graphics/Video.hpp
• galaxy/src/galaxy/graphics/Video.cpp