v4l.c File Reference
#include "avdevice.h"
#include "config.h"
#include "libavutil/rational.h"
#include "libavutil/imgutils.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavformat/avformat.h"
#include "libavformat/internal.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>

Go to the source code of this file.

Data Structures

struct  VideoData

Macros

#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 []
static const AVOption options []
static const AVClass v4l_class
AVInputFormat ff_v4l_demuxer

Macro Definition Documentation

#define _LINUX_TIME_H   1

Definition at line 40 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 78 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

AVInputFormat ff_v4l_demuxer
Initial value:
{
.name = "video4linux",
.long_name = NULL_IF_CONFIG_SMALL("Video4Linux device grab"),
.priv_data_size = sizeof(VideoData),
.priv_class = &v4l_class,
}

Definition at line 356 of file v4l.c.

const AVOption options[]
static
Initial value:
{
{ "standard", "", 0x42, AV_OPT_TYPE_INT, {.dbl = VIDEO_MODE_NTSC}, VIDEO_MODE_PAL, VIDEO_MODE_NTSC, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ "PAL", "", 0, AV_OPT_TYPE_CONST, {.dbl = VIDEO_MODE_PAL}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ "SECAM", "", 0, AV_OPT_TYPE_CONST, {.dbl = VIDEO_MODE_SECAM}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ "NTSC", "", 0, AV_OPT_TYPE_CONST, {.dbl = VIDEO_MODE_NTSC}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ NULL },
}

Definition at line 341 of file v4l.c.

const AVClass v4l_class
static
Initial value:
{
.class_name = "V4L indev",
.item_name = av_default_item_name,
.option = options,
}

Definition at line 349 of file v4l.c.

struct { ... } video_formats[]

Referenced by grab_read_header().