libavdevice/v4l.c File Reference

#include "config.h"
#include "libavutil/rational.h"
#include "libavformat/avformat.h"
#include "libavcodec/dsputil.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <linux/videodev.h>
#include <time.h>
#include <strings.h>

Go to the source code of this file.

Data Structures
struct	VideoData
Defines
#define	_LINUX_TIME_H   1
Functions
static int	grab_read_header (AVFormatContext *s1, AVFormatParameters *ap)
static int	v4l_mm_read_picture (VideoData *s, uint8_t *buf)
static int	grab_read_packet (AVFormatContext *s1, AVPacket *pkt)
static int	grab_read_close (AVFormatContext *s1)
Variables
struct {
int   palette
int   depth
enum PixelFormat   pix_fmt
}	video_formats []
AVInputFormat	v4l_demuxer

---

Define Documentation

#define _LINUX_TIME_H   1

Definition at line 32 of file v4l.c.

---

Function Documentation

static int grab_read_close

(

AVFormatContext *

s1

)

[static]

Definition at line 325 of file v4l.c.

static int grab_read_header	(	AVFormatContext *	s1,
		AVFormatParameters *	ap
	)			[static]

Definition at line 69 of file v4l.c.

static int grab_read_packet	(	AVFormatContext *	s1,
		AVPacket *	pkt
	)			[static]

Definition at line 285 of file v4l.c.

static int v4l_mm_read_picture	(	VideoData *	s,
		uint8_t *	buf
	)			[static]

Definition at line 259 of file v4l.c.

Referenced by grab_read_packet().

---

Variable Documentation

int depth

Definition at line 55 of file v4l.c.

Referenced by bmp_decode_frame(), decode_frame(), decode_macroblock(), dvbsub_parse_clut_segment(), encode_frame(), ff_pnm_decode_header(), flic_decode_init(), guess_mv(), pam_encode_frame(), read_line(), sunrast_decode_frame(), targa_decode_rle(), tta_decode_frame(), txd_decode_frame(), and write_line().

int palette

Definition at line 54 of file v4l.c.

Referenced by avs_read_packet(), cdg_load_palette(), decode_frame(), encode_frame(), get_alpha_info_pal8(), gif_read_image(), palToRgbWrapper(), pcx_decode_frame(), seqvideo_decode(), set_palette(), txd_decode_frame(), and yop_decode_frame().

enum PixelFormat pix_fmt

Definition at line 56 of file v4l.c.

Referenced by av_get_pix_fmt(), avfilter_all_colorspaces(), dc1394_read_common(), get_pix_fmt_internal(), init(), make_format_list(), query_formats(), show_pix_fmts(), and yuv4_read_header().

AVInputFormat v4l_demuxer

Initial value:

 {
    "video4linux",
    NULL_IF_CONFIG_SMALL("Video4Linux device grab"),
    sizeof(VideoData),
    NULL,
    grab_read_header,
    grab_read_packet,
    grab_read_close,
    .flags = AVFMT_NOFILE,
}

Definition at line 341 of file v4l.c.

struct { ... } video_formats[] [static]

Referenced by grab_read_header().