viewvideo.c File Reference

Get live images from a RTP/UDP stream and save pictures on internal memory. More...

#include "modules/computer_vision/viewvideo.h"
#include "modules/computer_vision/cv.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include <math.h>
#include "lib/vision/image.h"
#include "lib/encoding/jpeg.h"
#include "lib/encoding/rtp.h"
#include "udp_socket.h"
#include <BOARD_CONFIG>

Include dependency graph for viewvideo.c:

Go to the source code of this file.

Macros
#define	VIEWVIDEO_DOWNSIZE_FACTOR   4
#define	VIEWVIDEO_QUALITY_FACTOR   50
#define	VIEWVIDEO_FPS   5
#define	VIEWVIDEO_NICE_LEVEL   5
#define	VIEWVIDEO_USE_NETCAT   FALSE
#define	VIEWVIDEO_USE_RTP   TRUE

Functions
static struct image_t *	viewvideo_function (struct UdpSocket *viewvideo_socket, struct image_t *img, uint16_t *rtp_packet_nr, uint32_t *rtp_frame_time, struct image_t *img_small, struct image_t *img_jpeg)
	Handles all the video streaming and saving of the image shots This is a separate thread, so it needs to be thread safe! More...
void	viewvideo_init (void)
	Initialize the view video. More...

Variables
struct UdpSocket	video_sock1
struct UdpSocket	video_sock2
struct viewvideo_t	viewvideo

Detailed Description

Get live images from a RTP/UDP stream and save pictures on internal memory.

Works on Linux platforms

Definition in file viewvideo.c.

Macro Definition Documentation

#define VIEWVIDEO_DOWNSIZE_FACTOR   4

Definition at line 53 of file viewvideo.c.

#define VIEWVIDEO_FPS   5

Definition at line 65 of file viewvideo.c.

Referenced by viewvideo_function(), and viewvideo_init().

#define VIEWVIDEO_NICE_LEVEL   5

Definition at line 71 of file viewvideo.c.

Referenced by viewvideo_init().

#define VIEWVIDEO_QUALITY_FACTOR   50

Definition at line 59 of file viewvideo.c.

Referenced by viewvideo_function().

#define VIEWVIDEO_USE_NETCAT   FALSE

Definition at line 77 of file viewvideo.c.

Referenced by viewvideo_function().

#define VIEWVIDEO_USE_RTP   TRUE

Definition at line 81 of file viewvideo.c.

Function Documentation

static struct image_t* viewvideo_function ( struct UdpSocket *  viewvideo_socket, struct image_t *  img, uint16_t *  rtp_packet_nr, uint32_t *  rtp_frame_time, struct image_t *  img_small, struct image_t *  img_jpeg  )

static

Handles all the video streaming and saving of the image shots This is a separate thread, so it needs to be thread safe!

Definition at line 113 of file viewvideo.c.

References image_t::buf, image_t::buf_size, viewvideo_t::downsize_factor, image_t::h, image_create(), image_free(), IMAGE_JPEG, IMAGE_YUV422, image_yuv422_downsample(), viewvideo_t::is_streaming, jpeg_encode_image(), rtp_frame_send(), viewvideo_t::use_rtp, viewvideo, VIEWVIDEO_FPS, VIEWVIDEO_QUALITY_FACTOR, VIEWVIDEO_USE_NETCAT, and image_t::w.

Here is the call graph for this function:

void viewvideo_init

(

void

)

Initialize the view video.

Definition at line 218 of file viewvideo.c.

References cv_add_to_device_async(), viewvideo_t::downsize_factor, viewvideo_t::is_streaming, viewvideo_t::quality_factor, udp_socket_create(), video_sock1, video_sock2, viewvideo, VIEWVIDEO_FPS, and VIEWVIDEO_NICE_LEVEL.

Here is the call graph for this function:

Variable Documentation

struct UdpSocket video_sock1

Definition at line 88 of file viewvideo.c.

Referenced by viewvideo_init().

struct UdpSocket video_sock2

Definition at line 89 of file viewvideo.c.

Referenced by viewvideo_init().

struct viewvideo_t viewvideo

Initial value:

= {
  .is_streaming = FALSE,
  .downsize_factor = VIEWVIDEO_DOWNSIZE_FACTOR,
  .quality_factor = VIEWVIDEO_QUALITY_FACTOR,

  .use_rtp = VIEWVIDEO_USE_RTP,

}

Definition at line 100 of file viewvideo.c.

Referenced by viewvideo_function(), and viewvideo_init().