zbar/processor.c File Reference

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Functions
int	_zbar_process_image (zbar_processor_t *proc, zbar_image_t *img)
int	_zbar_processor_handle_input (zbar_processor_t *proc, int input)
static int	proc_enter (zbar_processor_t *proc)
static int	proc_leave (zbar_processor_t *proc)
static int	proc_open (zbar_processor_t *proc)
int	zbar_process_image (zbar_processor_t *proc, zbar_image_t *img)
int	zbar_process_one (zbar_processor_t *proc, int timeout)
zbar_processor_t *	zbar_processor_create (int threaded)
	constructor. More...
void	zbar_processor_destroy (zbar_processor_t *proc)
int	zbar_processor_force_format (zbar_processor_t *proc, unsigned long input, unsigned long output)
const zbar_symbol_set_t *	zbar_processor_get_results (const zbar_processor_t *proc)
void *	zbar_processor_get_userdata (const zbar_processor_t *proc)
int	zbar_processor_init (zbar_processor_t *proc, const char *dev, int enable_display)
int	zbar_processor_is_visible (zbar_processor_t *proc)
int	zbar_processor_request_interface (zbar_processor_t *proc, int ver)
int	zbar_processor_request_iomode (zbar_processor_t *proc, int iomode)
int	zbar_processor_request_size (zbar_processor_t *proc, unsigned width, unsigned height)
int	zbar_processor_set_active (zbar_processor_t *proc, int active)
int	zbar_processor_set_config (zbar_processor_t *proc, zbar_symbol_type_t sym, zbar_config_t cfg, int val)
zbar_image_data_handler_t *	zbar_processor_set_data_handler (zbar_processor_t *proc, zbar_image_data_handler_t *handler, const void *userdata)
void	zbar_processor_set_userdata (zbar_processor_t *proc, void *userdata)
int	zbar_processor_set_visible (zbar_processor_t *proc, int visible)
int	zbar_processor_user_wait (zbar_processor_t *proc, int timeout)

Function Documentation

int _zbar_process_image	(	zbar_processor_t *	proc,
		zbar_image_t *	img
	)

References __func__, _zbar_image_swap_symbols(), _zbar_mutex_lock, _zbar_mutex_unlock, _zbar_processor_invalidate(), _zbar_processor_notify(), _zbar_verbosity, err_capture(), err_copy(), EVENT_OUTPUT, format, fourcc, SEV_ERROR, zbar::ZBAR_ERR_UNSUPPORTED, zbar_get_addon_name(), zbar_get_symbol_name(), zbar_image_convert(), zbar_image_destroy(), zbar_image_first_symbol(), zbar_image_get_data(), zbar_image_get_format(), zbar_image_get_height(), zbar_image_get_width(), zbar_image_scanner_get_results(), zbar_image_scanner_recycle_image(), zbar_image_write(), zbar_scan_image(), zbar_symbol_get_count(), zbar_symbol_get_data(), zbar_symbol_get_loc_size(), zbar_symbol_get_quality(), zbar_symbol_get_type(), zbar_symbol_next(), zbar_symbol_set_ref(), zbar_window_draw(), and zprintf.

Referenced by _zbar_processor_handle_input(), proc_video_handler(), proc_wait_unthreaded(), and zbar_process_image().

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int _zbar_processor_handle_input	(	zbar_processor_t *	proc,
		int	input
	)

References __func__, _zbar_event_trigger(), _zbar_event_wait(), _zbar_mutex_lock, _zbar_mutex_unlock, _zbar_process_image(), _zbar_processor_close(), _zbar_processor_input_wait(), _zbar_processor_lock(), _zbar_processor_notify(), _zbar_processor_set_visible(), _zbar_processor_unlock(), zbar_thread_s::activity, err_capture(), EVENT_CANCELED, EVENT_INPUT, EVENT_OUTPUT, zbar_thread_s::notify, proc, proc_open(), zbar_thread_s::running, SEV_WARNING, zbar_thread_s::started, zbar::ZBAR_ERR_CLOSED, zbar_image_destroy(), zbar_video_next_image(), zbar_window_get_overlay(), zbar_window_set_overlay(), and zprintf.

Referenced by win_handle_event(), and x_handle_event().

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static int proc_enter ( zbar_processor_t *  proc )

inlinestatic

References _zbar_mutex_lock, and _zbar_processor_lock().

Referenced by zbar_process_image(), zbar_process_one(), zbar_processor_force_format(), zbar_processor_get_results(), zbar_processor_is_visible(), zbar_processor_request_interface(), zbar_processor_request_iomode(), zbar_processor_request_size(), zbar_processor_set_active(), zbar_processor_set_config(), zbar_processor_set_data_handler(), zbar_processor_set_visible(), and zbar_processor_user_wait().

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static int proc_leave ( zbar_processor_t *  proc )

inlinestatic

References _zbar_mutex_unlock, and _zbar_processor_unlock().

Referenced by zbar_process_image(), zbar_process_one(), zbar_processor_force_format(), zbar_processor_get_results(), zbar_processor_init(), zbar_processor_is_visible(), zbar_processor_request_interface(), zbar_processor_request_iomode(), zbar_processor_request_size(), zbar_processor_set_active(), zbar_processor_set_config(), zbar_processor_set_data_handler(), zbar_processor_set_visible(), and zbar_processor_user_wait().

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static int proc_open ( zbar_processor_t *  proc )

inlinestatic

References _zbar_processor_open(), scan_image::height, scan_image::width, zbar_video_get_height(), and zbar_video_get_width().

Referenced by _zbar_processor_handle_input(), and zbar_processor_init().

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int zbar_process_image	(	zbar_processor_t *	proc,
		zbar_image_t *	img
	)

References _zbar_mutex_lock, _zbar_mutex_unlock, _zbar_process_image(), _zbar_processor_set_size(), proc_enter(), proc_leave(), zbar_image_get_height(), zbar_image_get_width(), and zbar_image_scanner_enable_cache().

Referenced by main(), processor_process_image(), and scan_image().

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int zbar_process_one	(	zbar_processor_t *	proc,
		int	timeout
	)

References __func__, _zbar_mutex_lock, _zbar_mutex_unlock, _zbar_processor_wait(), _zbar_timer_init(), err_capture(), EVENT_OUTPUT, proc_enter(), proc_leave(), SEV_ERROR, zbar::ZBAR_ERR_INVALID, and zbar_processor_set_active().

Referenced by processor_process_one().

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zbar_processor_t* zbar_processor_create

(

int

threaded

)

constructor.

if threaded is set and threading is available the processor will spawn threads where appropriate to avoid blocking and improve responsiveness

References _zbar_mutex_init, _zbar_processor_init(), err_init(), proc, zbar_image_scanner_create(), and ZBAR_MOD_PROCESSOR.

Referenced by main(), zbar::Processor::Processor(), and processor_new().

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void zbar_processor_destroy

(

zbar_processor_t *

proc

)

References _zbar_event_destroy(), _zbar_mutex_destroy, _zbar_processor_cleanup(), err_cleanup(), proc_waiter_s::next, proc_waiter_s::notify, zbar_image_scanner_destroy(), and zbar_processor_init().

Referenced by main(), and processor_dealloc().

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int zbar_processor_force_format	(	zbar_processor_t *	proc,
		unsigned long	input,
		unsigned long	output
	)

References proc_enter(), and proc_leave().

Referenced by main().

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const zbar_symbol_set_t* zbar_processor_get_results

(

const zbar_processor_t *

proc

)

References proc_enter(), proc_leave(), and zbar_symbol_set_ref().

Referenced by processor_get_results().

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void* zbar_processor_get_userdata

(

const zbar_processor_t *

proc

)

References _zbar_mutex_lock, _zbar_mutex_unlock, and userdata.

int zbar_processor_init	(	zbar_processor_t *	proc,
		const char *	dev,
		int	enable_display
	)

References __func__, _zbar_mutex_lock, _zbar_mutex_unlock, _zbar_processor_close(), _zbar_processor_lock(), _zbar_thread_start(), _zbar_thread_stop(), err_capture(), err_copy(), fprintf(), proc_leave(), proc_open(), SEV_ERROR, SEV_FATAL, zbar::ZBAR_ERR_NOMEM, zbar::ZBAR_ERR_SYSTEM, zbar::ZBAR_ERR_UNSUPPORTED, zbar_negotiate_format(), zbar_processor_set_active(), zbar_video_create(), zbar_video_destroy(), zbar_video_get_fd(), zbar_video_init(), zbar_video_open(), zbar_video_request_interface(), zbar_video_request_iomode(), zbar_video_request_size(), zbar_window_create(), zbar_window_destroy(), and zprintf.

Referenced by main(), processor_init_(), and zbar_processor_destroy().

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int zbar_processor_is_visible

(

zbar_processor_t *

proc

)

References proc_enter(), proc_leave(), and read_one::visible.

Referenced by processor_get_bool(), and scan_image().

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int zbar_processor_request_interface	(	zbar_processor_t *	proc,
		int	ver
	)

References proc_enter(), and proc_leave().

Referenced by main().

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int zbar_processor_request_iomode	(	zbar_processor_t *	proc,
		int	iomode
	)

References proc_enter(), and proc_leave().

Referenced by main().

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int zbar_processor_request_size	(	zbar_processor_t *	proc,
		unsigned	width,
		unsigned	height
	)

References scan_image::height, proc_enter(), proc_leave(), and scan_image::width.

Referenced by main().

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int zbar_processor_set_active	(	zbar_processor_t *	proc,
		int	active
	)

References __func__, _zbar_event_trigger(), _zbar_mutex_lock, _zbar_mutex_unlock, _zbar_processor_enable(), _zbar_processor_invalidate(), err_capture(), err_copy(), proc_enter(), proc_leave(), SEV_ERROR, zbar::ZBAR_ERR_INVALID, zbar_image_scanner_enable_cache(), zbar_video_enable(), and zbar_window_draw().

Referenced by main(), processor_set_bool(), zbar_process_one(), and zbar_processor_init().

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int zbar_processor_set_config	(	zbar_processor_t *	proc,
		zbar_symbol_type_t	sym,
		zbar_config_t	cfg,
		int	val
	)

References proc_enter(), proc_leave(), and zbar_image_scanner_set_config().

Referenced by processor_set_config().

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zbar_image_data_handler_t* zbar_processor_set_data_handler	(	zbar_processor_t *	proc,
		zbar_image_data_handler_t *	handler,
		const void *	userdata
	)

References proc_enter(), proc_leave(), result, and userdata.

Referenced by main(), processor_clear(), and processor_set_data_handler().

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void zbar_processor_set_userdata	(	zbar_processor_t *	proc,
		void *	userdata
	)

References _zbar_mutex_lock, _zbar_mutex_unlock, and userdata.

Referenced by processor_clear(), and processor_new().

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int zbar_processor_set_visible	(	zbar_processor_t *	proc,
		int	visible
	)

References __func__, _zbar_mutex_lock, _zbar_mutex_unlock, _zbar_processor_set_size(), _zbar_processor_set_visible(), err_capture(), proc_enter(), proc_leave(), SEV_ERROR, zbar::ZBAR_ERR_INVALID, zbar_video_get_height(), and zbar_video_get_width().

Referenced by main(), and processor_set_bool().

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int zbar_processor_user_wait	(	zbar_processor_t *	proc,
		int	timeout
	)

References __func__, _zbar_mutex_lock, _zbar_mutex_unlock, _zbar_processor_wait(), _zbar_timer_init(), err_capture(), EVENT_INPUT, proc_enter(), proc_leave(), SEV_WARNING, and zbar::ZBAR_ERR_CLOSED.

Referenced by input_wait(), main(), processor_user_wait(), and scan_image().

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