video.c File Reference

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Functions
static void	_zbar_video_recycle_image (zbar_image_t *img)
static void	_zbar_video_recycle_shadow (zbar_image_t *img)
static int	video_init_images (zbar_video_t *vdo)
zbar_video_t *	zbar_video_create ()
	constructor. More...
void	zbar_video_destroy (zbar_video_t *vdo)
int	zbar_video_enable (zbar_video_t *vdo, int enable)
int	zbar_video_get_fd (const zbar_video_t *vdo)
uint32_t	zbar_video_get_format (const zbar_video_t *vdo)
int	zbar_video_get_height (const zbar_video_t *vdo)
int	zbar_video_get_width (const zbar_video_t *vdo)
int	zbar_video_init (zbar_video_t *vdo, unsigned long fmt)
zbar_image_t *	zbar_video_next_image (zbar_video_t *vdo)
int	zbar_video_open (zbar_video_t *vdo, const char *dev)
int	zbar_video_request_interface (zbar_video_t *vdo, int ver)
int	zbar_video_request_iomode (zbar_video_t *vdo, int iomode)
int	zbar_video_request_size (zbar_video_t *vdo, unsigned width, unsigned height)

Function Documentation

static void _zbar_video_recycle_image ( zbar_image_t *  img )

static

References video_lock(), and video_unlock().

Referenced by zbar_video_create(), and zbar_video_next_image().

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static void _zbar_video_recycle_shadow ( zbar_image_t *  img )

static

References video_lock(), and video_unlock().

Referenced by zbar_video_next_image().

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static int video_init_images ( zbar_video_t *  vdo )

inlinestatic

References __func__, err_capture(), zbar_image_s::format, SEV_FATAL, VIDEO_MMAP, VIDEO_READWRITE, zbar::ZBAR_ERR_NOMEM, and zprintf.

Referenced by zbar_video_init().

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zbar_video_t* zbar_video_create

(

void

)

constructor.

References _zbar_mutex_init, _zbar_video_recycle_image(), err_init(), void, zbar_image_create(), ZBAR_MOD_VIDEO, zbar_video_destroy(), and ZBAR_VIDEO_IMAGES_MAX.

Referenced by main(), zbar::Video::Video(), zbar_gtk_video_open(), and zbar_processor_init().

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void zbar_video_destroy

(

zbar_video_t *

vdo

)

References _zbar_jpeg_decomp_destroy(), _zbar_mutex_destroy, err_cleanup(), zbar_image_s::next, VIDEO_INVALID, zbar_image_destroy(), ZBAR_VIDEO_IMAGES_MAX, and zbar_video_open().

Referenced by main(), zbar_gtk_private_finalize(), zbar_gtk_video_open(), zbar_processor_init(), and zbar_video_create().

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int zbar_video_enable	(	zbar_video_t *	vdo,
		int	enable
	)

References __func__, err_capture(), SEV_ERROR, VIDEO_INVALID, video_lock(), video_unlock(), zbar::ZBAR_ERR_INVALID, and zbar_negotiate_format().

Referenced by main(), zbar_gtk_processing_thread(), zbar_processor_set_active(), and zbar_video_open().

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int zbar_video_get_fd

(

const zbar_video_t *

vdo

)

References __func__, err_capture(), SEV_ERROR, SEV_WARNING, VIDEO_INVALID, VIDEO_V4L2, zbar::ZBAR_ERR_INVALID, and zbar::ZBAR_ERR_UNSUPPORTED.

Referenced by _zbar_processor_enable(), main(), proc_wait_unthreaded(), and zbar_processor_init().

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uint32_t zbar_video_get_format

(

const zbar_video_t *

vdo

)

int zbar_video_get_height

(

const zbar_video_t *

vdo

)

Referenced by proc_open(), zbar_gtk_video_open(), and zbar_processor_set_visible().

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int zbar_video_get_width

(

const zbar_video_t *

vdo

)

Referenced by proc_open(), zbar_gtk_video_open(), and zbar_processor_set_visible().

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int zbar_video_init	(	zbar_video_t *	vdo,
		unsigned long	fmt
	)

References __func__, _zbar_format_lookup(), _zbar_jpeg_decomp_create(), err_capture(), fourcc, zbar_format_def_s::group, SEV_ERROR, video_init_images(), zbar::ZBAR_ERR_INVALID, ZBAR_FMT_JPEG, zbar_image_create(), and zbar_image_destroy().

Referenced by main(), zbar_negotiate_format(), and zbar_processor_init().

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zbar_image_t* zbar_video_next_image

(

zbar_video_t *

vdo

)

References _zbar_image_refcnt(), _zbar_video_recycle_image(), _zbar_video_recycle_shadow(), zbar_image_s::seq, video_lock(), video_unlock(), and zbar_image_create().

Referenced by _zbar_processor_handle_input(), main(), proc_video_handler(), proc_wait_unthreaded(), and zbar_gtk_processing_thread().

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

References _zbar_video_open(), VIDEO_INVALID, video_lock(), video_unlock(), zbar_video_enable(), and zprintf.

Referenced by main(), zbar_gtk_video_open(), zbar_processor_init(), and zbar_video_destroy().

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int zbar_video_request_interface	(	zbar_video_t *	vdo,
		int	ver
	)

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

Referenced by zbar_processor_init().

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int zbar_video_request_iomode	(	zbar_video_t *	vdo,
		int	iomode
	)

References __func__, err_capture(), SEV_ERROR, VIDEO_INVALID, VIDEO_USERPTR, and zbar::ZBAR_ERR_INVALID.

Referenced by zbar_processor_init().

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int zbar_video_request_size	(	zbar_video_t *	vdo,
		unsigned	width,
		unsigned	height
	)

References __func__, err_capture(), scan_image::height, SEV_ERROR, scan_image::width, zbar::ZBAR_ERR_INVALID, and zprintf.

Referenced by main(), and zbar_processor_init().

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