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Implement image capture (both synchronous and asynchronous variants)

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fp_dev_img_capture() is not implemented and returns -ENOTSUPP for all devices
since migration to asynchronous model. This commit implement missing functionality
This commit is contained in:
Vasily Khoruzhick
2013-02-08 14:38:13 +03:00
parent aeca32fc12
commit 2bba4fb073
6 changed files with 278 additions and 48 deletions
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20
libfprint/fp_internal.h
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@@ -91,6 +91,10 @@ enum fp_dev_state {
DEV_STATE_IDENTIFYING,
DEV_STATE_IDENTIFY_DONE,
DEV_STATE_IDENTIFY_STOPPING,
DEV_STATE_CAPTURE_STARTING,
DEV_STATE_CAPTURING,
DEV_STATE_CAPTURE_DONE,
DEV_STATE_CAPTURE_STOPPING,
};
struct fp_driver **fprint_get_drivers (void);
@@ -108,8 +112,8 @@ struct fp_dev {
/* drivers should not mess with any of the below */
enum fp_dev_state state;
int __enroll_stage;
int unconditional_capture;
/* async I/O callbacks and data */
/* FIXME: convert this to generic state operational data mechanism? */
@@ -129,6 +133,10 @@ struct fp_dev {
void *identify_cb_data;
fp_identify_stop_cb identify_stop_cb;
void *identify_stop_cb_data;
fp_capture_cb capture_cb;
void *capture_cb_data;
fp_capture_stop_cb capture_stop_cb;
void *capture_stop_cb_data;
/* FIXME: better place to put this? */
struct fp_print_data **identify_gallery;
@@ -146,6 +154,7 @@ enum fp_imgdev_action {
IMG_ACTION_ENROLL,
IMG_ACTION_VERIFY,
IMG_ACTION_IDENTIFY,
IMG_ACTION_CAPTURE,
};
enum fp_imgdev_enroll_state {
@@ -179,8 +188,6 @@ struct fp_img_dev {
void *priv;
};
int fpi_imgdev_capture(struct fp_img_dev *imgdev, int unconditional,
struct fp_img **image);
int fpi_imgdev_get_img_width(struct fp_img_dev *imgdev);
int fpi_imgdev_get_img_height(struct fp_img_dev *imgdev);
@@ -215,6 +222,8 @@ struct fp_driver {
int (*verify_stop)(struct fp_dev *dev, gboolean iterating);
int (*identify_start)(struct fp_dev *dev);
int (*identify_stop)(struct fp_dev *dev, gboolean iterating);
int (*capture_start)(struct fp_dev *dev);
int (*capture_stop)(struct fp_dev *dev);
};
enum fp_print_data_type fpi_driver_get_data_type(struct fp_driver *drv);
@@ -439,6 +448,11 @@ void fpi_drvcb_report_identify_result(struct fp_dev *dev, int result,
size_t match_offset, struct fp_img *img);
void fpi_drvcb_identify_stopped(struct fp_dev *dev);
void fpi_drvcb_capture_started(struct fp_dev *dev, int status);
void fpi_drvcb_report_capture_result(struct fp_dev *dev, int result,
struct fp_img *img);
void fpi_drvcb_capture_stopped(struct fp_dev *dev);
/* for image drivers */
void fpi_imgdev_open_complete(struct fp_img_dev *imgdev, int status);
void fpi_imgdev_close_complete(struct fp_img_dev *imgdev);