video sink using SDL More...

#include <video_sdl_sink_s.h>

Inheritance diagram for video_sdl_sink_s:

Public Member Functions
	~video_sdl_sink_s ()
int	work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
	just like gr_block::general_work, only this arranges to call consume_each for you
Protected Member Functions
	video_sdl_sink_s (double framerate, int width, int height, unsigned int format, int dst_width, int dst_height)
void	copy_line_pixel_interleaved (unsigned char dst_pixels_u, unsigned char dst_pixels_v, const short *src_pixels, int src_width)
void	copy_line_line_interleaved (unsigned char dst_pixels_u, unsigned char dst_pixels_v, const short *src_pixels, int src_width)
void	copy_line_single_plane (unsigned char dst_pixels, const short src_pixels, int src_width)
void	copy_line_single_plane_dec2 (unsigned char dst_pixels, const short src_pixels, int src_width)
int	copy_plane_to_surface (int plane, int noutput_items, const short *src_pixels)
Protected Attributes
float	d_framerate
int	d_wanted_frametime_ms
int	d_width
int	d_height
int	d_dst_width
int	d_dst_height
int	d_format
int	d_current_line
SDL_Surface *	d_screen
SDL_Overlay *	d_image
SDL_Rect	d_dst_rect
float	d_avg_delay
unsigned int	d_wanted_ticks
Friends
VIDEO_SDL_API video_sdl_sink_s_sptr	video_sdl_make_sink_s (double framerate, int width, int height, unsigned int format, int dst_width, int dst_height)

Detailed Description

video sink using SDL

input signature is one, two or three streams of signed short. One stream: stream is grey (Y) two streems: first is grey (Y), second is alternating U and V Three streams: first is grey (Y), second is U, third is V Input samples must be in the range [0,255].

Constructor & Destructor Documentation

video_sdl_sink_s::video_sdl_sink_s	(	double	framerate,
		int	width,
		int	height,
		unsigned int	format,
		int	dst_width,
		int	dst_height
	)		`[protected]`

video_sdl_sink_s::~video_sdl_sink_s ( )

Member Function Documentation

void video_sdl_sink_s::copy_line_line_interleaved	(	unsigned char *	dst_pixels_u,
		unsigned char *	dst_pixels_v,
		const short *	src_pixels,
		int	src_width
	)		`[protected]`

void video_sdl_sink_s::copy_line_pixel_interleaved	(	unsigned char *	dst_pixels_u,
		unsigned char *	dst_pixels_v,
		const short *	src_pixels,
		int	src_width
	)		`[protected]`

void video_sdl_sink_s::copy_line_single_plane	(	unsigned char *	dst_pixels,
		const short *	src_pixels,
		int	src_width
	)		`[protected]`

void video_sdl_sink_s::copy_line_single_plane_dec2	(	unsigned char *	dst_pixels,
		const short *	src_pixels,
		int	src_width
	)		`[protected]`

int video_sdl_sink_s::copy_plane_to_surface	(	int	plane,
		int	noutput_items,
		const short *	src_pixels
	)		`[protected]`

int video_sdl_sink_s::work	(	int	noutput_items,
		gr_vector_const_void_star &	input_items,
		gr_vector_void_star &	output_items
	)		`[virtual]`

just like gr_block::general_work, only this arranges to call consume_each for you

The user must override work to define the signal processing code

Implements gr_sync_block.

Friends And Related Function Documentation

VIDEO_SDL_API video_sdl_sink_s_sptr video_sdl_make_sink_s	(	double	framerate,
		int	width,
		int	height,
		unsigned int	format,
		int	dst_width,
		int	dst_height
	)		`[friend]`