v4l2.c File Reference

Macros
#define	V4L2_FORMATS_MAX

Functions
int	_zbar_v4l2_probe (zbar_video_t *vdo)
static int	v4l2_cleanup (zbar_video_t *vdo)
static zbar_image_t *	v4l2_dq (zbar_video_t *vdo)
static int	v4l2_init (zbar_video_t *vdo, uint32_t fmt)
static int	v4l2_mmap_buffers (zbar_video_t *vdo)
static int	v4l2_nq (zbar_video_t *vdo, zbar_image_t *img)
static int	v4l2_probe_formats (zbar_video_t *vdo)
static int	v4l2_probe_iomode (zbar_video_t *vdo)
static int	v4l2_reset_crop (zbar_video_t *vdo)
static int	v4l2_set_format (zbar_video_t *vdo, uint32_t fmt)
static int	v4l2_start (zbar_video_t *vdo)
static int	v4l2_stop (zbar_video_t *vdo)

Macro Definition Documentation

#define V4L2_FORMATS_MAX

Referenced by v4l2_probe_formats().

Function Documentation

int _zbar_v4l2_probe

(

zbar_video_t *

vdo

)

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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static int v4l2_cleanup ( zbar_video_t *  vdo )

static

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

Referenced by _zbar_v4l2_probe().

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static zbar_image_t* v4l2_dq ( zbar_video_t *  vdo )

static

References num_images, video_dq_image(), VIDEO_MMAP, VIDEO_READWRITE, video_unlock(), and zprintf.

Referenced by _zbar_v4l2_probe().

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static int v4l2_init ( zbar_video_t *  vdo, uint32_t  fmt  )

static

References v4l2_mmap_buffers(), v4l2_set_format(), and VIDEO_MMAP.

Referenced by _zbar_v4l2_probe().

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static int v4l2_mmap_buffers ( zbar_video_t *  vdo )

static

References __func__, zbar_image_s::datalen, err_capture(), fprintf(), SEV_ERROR, zbar::ZBAR_ERR_INVALID, zbar::ZBAR_ERR_SYSTEM, and zprintf.

Referenced by v4l2_init().

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static int v4l2_nq ( zbar_video_t *  vdo, zbar_image_t *  img  )

static

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

Referenced by _zbar_v4l2_probe().

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static int v4l2_probe_formats ( zbar_video_t *  vdo )

inlinestatic

References __func__, err_capture(), SEV_ERROR, V4L2_FORMATS_MAX, zbar::ZBAR_ERR_SYSTEM, and zprintf.

Referenced by _zbar_v4l2_probe().

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static int v4l2_probe_iomode ( zbar_video_t *  vdo )

static

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

Referenced by _zbar_v4l2_probe().

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static int v4l2_reset_crop ( zbar_video_t *  vdo )

inlinestatic

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

Referenced by _zbar_v4l2_probe().

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static int v4l2_set_format ( zbar_video_t *  vdo, uint32_t  fmt  )

static

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

Referenced by v4l2_init().

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static int v4l2_start ( zbar_video_t *  vdo )

static

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

Referenced by _zbar_v4l2_probe().

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static int v4l2_stop ( zbar_video_t *  vdo )

static

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

Referenced by _zbar_v4l2_probe().

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