v4l1.c File Reference

Classes
struct	v4l1_format_s

Typedefs
typedef struct v4l1_format_s	v4l1_format_t

Functions
static int	_zbar_v4l1_probe (zbar_video_t *vdo)
int	_zbar_v4l2_probe (zbar_video_t *)
int	_zbar_video_open (zbar_video_t *vdo, const char *dev)
static int	v4l1_cleanup (zbar_video_t *vdo)
static zbar_image_t *	v4l1_dq (zbar_video_t *vdo)
static int	v4l1_init (zbar_video_t *vdo, uint32_t fmt)
static int	v4l1_init_window (zbar_video_t *vdo)
static int	v4l1_mmap_buffers (zbar_video_t *vdo)
static int	v4l1_nq (zbar_video_t *vdo, zbar_image_t *img)
static int	v4l1_probe_formats (zbar_video_t *vdo)
static int	v4l1_probe_iomode (zbar_video_t *vdo)
static int	v4l1_set_format (zbar_video_t *vdo, uint32_t fmt)
static int	v4l1_start (zbar_video_t *vdo)
static int	v4l1_stop (zbar_video_t *vdo)

Variables
static const v4l1_format_t	v4l1_formats [17]

Typedef Documentation

typedef struct v4l1_format_s v4l1_format_t

Function Documentation

static int _zbar_v4l1_probe ( zbar_video_t *  vdo )

static

References __func__, err_capture(), SEV_ERROR, v4l1_cleanup(), v4l1_dq(), v4l1_init(), v4l1_init_window(), v4l1_nq(), v4l1_probe_formats(), v4l1_probe_iomode(), v4l1_start(), v4l1_stop(), VIDEO_V4L1, zbar::ZBAR_ERR_UNSUPPORTED, and zprintf.

Referenced by _zbar_video_open().

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int _zbar_v4l2_probe

(

zbar_video_t *

)

References __func__, err_capture(), SEV_WARNING, v4l2_cleanup(), v4l2_dq(), v4l2_init(), v4l2_nq(), v4l2_probe_formats(), v4l2_probe_iomode(), v4l2_reset_crop(), v4l2_start(), v4l2_stop(), VIDEO_MMAP, VIDEO_READWRITE, VIDEO_USERPTR, VIDEO_V4L2, zbar::ZBAR_ERR_UNSUPPORTED, and zprintf.

Referenced by _zbar_video_open().

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int _zbar_video_open	(	zbar_video_t *	vdo,
		const char *	dev
	)

References __func__, _zbar_v4l1_probe(), _zbar_v4l2_probe(), err_capture_str(), SEV_ERROR, VIDEO_V4L1, zbar::ZBAR_ERR_SYSTEM, and zprintf.

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static int v4l1_cleanup ( zbar_video_t *  vdo )

static

References __func__, err_capture(), SEV_ERROR, VIDEO_MMAP, and zbar::ZBAR_ERR_SYSTEM.

Referenced by _zbar_v4l1_probe().

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static zbar_image_t* v4l1_dq ( zbar_video_t *  vdo )

static

References video_dq_image(), and VIDEO_MMAP.

Referenced by _zbar_v4l1_probe().

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static int v4l1_init ( zbar_video_t *  vdo, uint32_t  fmt  )

static

References v4l1_mmap_buffers(), v4l1_set_format(), and VIDEO_MMAP.

Referenced by _zbar_v4l1_probe().

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static int v4l1_init_window ( zbar_video_t *  vdo )

inlinestatic

References __func__, err_capture(), SEV_ERROR, zbar::ZBAR_ERR_SYSTEM, and zprintf.

Referenced by _zbar_v4l1_probe().

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static int v4l1_mmap_buffers ( zbar_video_t *  vdo )

static

References __func__, err_capture(), fprintf(), SEV_ERROR, zbar::ZBAR_ERR_SYSTEM, zbar::ZBAR_ERR_UNSUPPORTED, and zprintf.

Referenced by v4l1_init().

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static int v4l1_nq ( zbar_video_t *  vdo, zbar_image_t *  img  )

static

References __func__, err_capture(), SEV_ERROR, VIDEO_MMAP, video_nq_image(), and zbar::ZBAR_ERR_SYSTEM.

Referenced by _zbar_v4l1_probe().

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static int v4l1_probe_formats ( zbar_video_t *  vdo )

inlinestatic

References __func__, v4l1_format_s::bpp, err_capture(), v4l1_format_s::format, SEV_ERROR, SEV_FATAL, v4l1_set_format(), zbar::ZBAR_ERR_NOMEM, zbar::ZBAR_ERR_SYSTEM, and zprintf.

Referenced by _zbar_v4l1_probe().

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static int v4l1_probe_iomode ( zbar_video_t *  vdo )

static

References __func__, err_capture(), SEV_ERROR, VIDEO_MMAP, VIDEO_READWRITE, zbar::ZBAR_ERR_SYSTEM, and zprintf.

Referenced by _zbar_v4l1_probe().

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static int v4l1_set_format ( zbar_video_t *  vdo, uint32_t  fmt  )

inlinestatic

References __func__, v4l1_format_s::bpp, err_capture(), err_capture_int(), v4l1_format_s::format, fprintf(), SEV_ERROR, SEV_WARNING, zbar::ZBAR_ERR_INVALID, zbar::ZBAR_ERR_SYSTEM, and zprintf.

Referenced by v4l1_init(), and v4l1_probe_formats().

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static int v4l1_start ( zbar_video_t *  vdo )

static

Referenced by _zbar_v4l1_probe().

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static int v4l1_stop ( zbar_video_t *  vdo )

static

Referenced by _zbar_v4l1_probe().

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Variable Documentation

const v4l1_format_t v4l1_formats[17]

static