org.jitsi.impl.neomedia.jmfext.media.protocol.video4linux2

Class Video4Linux2

java.lang.Object

org.jitsi.impl.neomedia.jmfext.media.protocol.video4linux2.Video4Linux2

public class Video4Linux2
extends Object

Provides the interface to the native Video for Linux Two API Specification (http://v4l2spec.bytesex.org/spec/) implementation.

Author:

Lyubomir Marinov

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAP_SHARED
static int	O_NONBLOCK
static int	O_RDWR
static int	PROT_READ
static int	PROT_WRITE
static int	V4L2_BUF_TYPE_VIDEO_CAPTURE
static int	V4L2_CAP_STREAMING
static int	V4L2_CAP_VIDEO_CAPTURE
static int	V4L2_FIELD_NONE
static int	V4L2_MEMORY_MMAP
static int	V4L2_MEMORY_USERPTR
static int	V4L2_PIX_FMT_BGR24
static int	V4L2_PIX_FMT_JPEG
static int	V4L2_PIX_FMT_MJPEG
static int	V4L2_PIX_FMT_NONE
static int	V4L2_PIX_FMT_RGB24
static int	V4L2_PIX_FMT_UYVY
static int	V4L2_PIX_FMT_VYUY
static int	V4L2_PIX_FMT_YUV420
static int	V4L2_PIX_FMT_YUYV
static int	VIDIOC_DQBUF
static int	VIDIOC_G_FMT
static int	VIDIOC_QBUF
static int	VIDIOC_QUERYBUF
static int	VIDIOC_QUERYCAP
static int	VIDIOC_REQBUFS
static int	VIDIOC_S_FMT
static int	VIDIOC_S_PARM
static int	VIDIOC_STREAMOFF
static int	VIDIOC_STREAMON

Constructor Summary

Constructors

Constructor and Description
Video4Linux2()

Method Summary

Modifier and Type	Method and Description
static int	close(int fd)
static void	free(long ptr)
static int	ioctl(int fd, int request, long argp)
static long	memcpy(long dest, long src, int n)
static long	mmap(long start, int length, int prot, int flags, int fd, long offset)
static int	munmap(long start, int length)
static int	open(String deviceName, int flags)
static long	v4l2_buf_type_alloc(int type)
static long	v4l2_buffer_alloc(int type)
static int	v4l2_buffer_getBytesused(long v4l2_buffer)
static int	v4l2_buffer_getIndex(long v4l2_buffer)
static int	v4l2_buffer_getLength(long v4l2_buffer)
static long	v4l2_buffer_getMOffset(long v4l2_buffer)
static void	v4l2_buffer_setIndex(long v4l2_buffer, int index)
static void	v4l2_buffer_setMemory(long v4l2_buffer, int memory)
static long	v4l2_capability_alloc()
static int	v4l2_capability_getCapabilities(long v4l2_capability)
static String	v4l2_capability_getCard(long v4l2_capability)
static long	v4l2_format_alloc(int type)
static long	v4l2_format_getFmtPix(long v4l2_format)
static int	v4l2_pix_format_getHeight(long v4l2_pix_format)
static int	v4l2_pix_format_getPixelformat(long v4l2_pix_format)
static int	v4l2_pix_format_getWidth(long v4l2_pix_format)
static void	v4l2_pix_format_setBytesperline(long v4l2_pix_format, int bytesperline)
static void	v4l2_pix_format_setField(long v4l2_pix_format, int field)
static void	v4l2_pix_format_setPixelformat(long v4l2_pix_format, int pixelformat)
static void	v4l2_pix_format_setWidthAndHeight(long v4l2_pix_format, int width, int height)
static long	v4l2_requestbuffers_alloc(int type)
static int	v4l2_requestbuffers_getCount(long v4l2_requestbuffers)
static void	v4l2_requestbuffers_setCount(long v4l2_requestbuffers, int count)
static void	v4l2_requestbuffers_setMemory(long v4l2_requestbuffers, int memory)
static long	v4l2_streamparm_alloc(int type)
static void	v4l2_streamparm_setFps(long v4l2_streamparm, int fps)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MAP_SHARED

public static final int MAP_SHARED

See Also:

Constant Field Values

O_NONBLOCK

public static final int O_NONBLOCK

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Constant Field Values

O_RDWR

public static final int O_RDWR

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Constant Field Values

PROT_READ

public static final int PROT_READ

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Constant Field Values

PROT_WRITE

public static final int PROT_WRITE

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Constant Field Values

V4L2_BUF_TYPE_VIDEO_CAPTURE

public static final int V4L2_BUF_TYPE_VIDEO_CAPTURE

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Constant Field Values

V4L2_CAP_STREAMING

public static final int V4L2_CAP_STREAMING

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Constant Field Values

V4L2_CAP_VIDEO_CAPTURE

public static final int V4L2_CAP_VIDEO_CAPTURE

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Constant Field Values

V4L2_FIELD_NONE

public static final int V4L2_FIELD_NONE

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Constant Field Values

V4L2_MEMORY_MMAP

public static final int V4L2_MEMORY_MMAP

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Constant Field Values

V4L2_MEMORY_USERPTR

public static final int V4L2_MEMORY_USERPTR

See Also:

Constant Field Values

V4L2_PIX_FMT_NONE

public static final int V4L2_PIX_FMT_NONE

See Also:

Constant Field Values

V4L2_PIX_FMT_RGB24

public static final int V4L2_PIX_FMT_RGB24

V4L2_PIX_FMT_BGR24

public static final int V4L2_PIX_FMT_BGR24

V4L2_PIX_FMT_UYVY

public static final int V4L2_PIX_FMT_UYVY

V4L2_PIX_FMT_VYUY

public static final int V4L2_PIX_FMT_VYUY

V4L2_PIX_FMT_YUV420

public static final int V4L2_PIX_FMT_YUV420

V4L2_PIX_FMT_YUYV

public static final int V4L2_PIX_FMT_YUYV

V4L2_PIX_FMT_MJPEG

public static final int V4L2_PIX_FMT_MJPEG

V4L2_PIX_FMT_JPEG

public static final int V4L2_PIX_FMT_JPEG

VIDIOC_DQBUF

public static final int VIDIOC_DQBUF

VIDIOC_G_FMT

public static final int VIDIOC_G_FMT

VIDIOC_QBUF

public static final int VIDIOC_QBUF

VIDIOC_QUERYBUF

public static final int VIDIOC_QUERYBUF

VIDIOC_QUERYCAP

public static final int VIDIOC_QUERYCAP

VIDIOC_REQBUFS

public static final int VIDIOC_REQBUFS

VIDIOC_S_FMT

public static final int VIDIOC_S_FMT

VIDIOC_S_PARM

public static final int VIDIOC_S_PARM

VIDIOC_STREAMOFF

public static final int VIDIOC_STREAMOFF

VIDIOC_STREAMON

public static final int VIDIOC_STREAMON

Constructor Detail

Video4Linux2

public Video4Linux2()

Method Detail

close

public static int close(int fd)

free

public static void free(long ptr)

ioctl

public static int ioctl(int fd,
                        int request,
                        long argp)

memcpy

public static long memcpy(long dest,
                          long src,
                          int n)

mmap

public static long mmap(long start,
                        int length,
                        int prot,
                        int flags,
                        int fd,
                        long offset)

munmap

public static int munmap(long start,
                         int length)

open

public static int open(String deviceName,
                       int flags)

v4l2_buffer_alloc

public static long v4l2_buffer_alloc(int type)

v4l2_buffer_getBytesused

public static int v4l2_buffer_getBytesused(long v4l2_buffer)

v4l2_buffer_getIndex

public static int v4l2_buffer_getIndex(long v4l2_buffer)

v4l2_buffer_getLength

public static int v4l2_buffer_getLength(long v4l2_buffer)

v4l2_buffer_getMOffset

public static long v4l2_buffer_getMOffset(long v4l2_buffer)

v4l2_buffer_setIndex

public static void v4l2_buffer_setIndex(long v4l2_buffer,
                                        int index)

v4l2_buffer_setMemory

public static void v4l2_buffer_setMemory(long v4l2_buffer,
                                         int memory)

v4l2_buf_type_alloc

public static long v4l2_buf_type_alloc(int type)

v4l2_capability_alloc

public static long v4l2_capability_alloc()

v4l2_capability_getCapabilities

public static int v4l2_capability_getCapabilities(long v4l2_capability)

v4l2_capability_getCard

public static String v4l2_capability_getCard(long v4l2_capability)

v4l2_format_alloc

public static long v4l2_format_alloc(int type)

v4l2_format_getFmtPix

public static long v4l2_format_getFmtPix(long v4l2_format)

v4l2_pix_format_getHeight

public static int v4l2_pix_format_getHeight(long v4l2_pix_format)

v4l2_pix_format_getPixelformat

public static int v4l2_pix_format_getPixelformat(long v4l2_pix_format)

v4l2_pix_format_getWidth

public static int v4l2_pix_format_getWidth(long v4l2_pix_format)

v4l2_pix_format_setBytesperline

public static void v4l2_pix_format_setBytesperline(long v4l2_pix_format,
                                                   int bytesperline)

v4l2_pix_format_setField

public static void v4l2_pix_format_setField(long v4l2_pix_format,
                                            int field)

v4l2_pix_format_setPixelformat

public static void v4l2_pix_format_setPixelformat(long v4l2_pix_format,
                                                  int pixelformat)

v4l2_pix_format_setWidthAndHeight

public static void v4l2_pix_format_setWidthAndHeight(long v4l2_pix_format,
                                                     int width,
                                                     int height)

v4l2_requestbuffers_alloc

public static long v4l2_requestbuffers_alloc(int type)

v4l2_requestbuffers_getCount

public static int v4l2_requestbuffers_getCount(long v4l2_requestbuffers)

v4l2_requestbuffers_setCount

public static void v4l2_requestbuffers_setCount(long v4l2_requestbuffers,
                                                int count)

v4l2_requestbuffers_setMemory

public static void v4l2_requestbuffers_setMemory(long v4l2_requestbuffers,
                                                 int memory)

v4l2_streamparm_alloc

public static long v4l2_streamparm_alloc(int type)

v4l2_streamparm_setFps

public static void v4l2_streamparm_setFps(long v4l2_streamparm,
                                          int fps)