From a95fb6dad12ef73b05e79198763465f418090e99 Mon Sep 17 00:00:00 2001 From: Matthias Vogelgesang Date: Fri, 18 Mar 2011 10:42:11 +0100 Subject: Add (possible) meta data transmission and integrate callback in pco and pf --- src/uca-cam.h | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) (limited to 'src/uca-cam.h') diff --git a/src/uca-cam.h b/src/uca-cam.h index 4ccb07e..ec84c27 100644 --- a/src/uca-cam.h +++ b/src/uca-cam.h @@ -138,9 +138,14 @@ typedef uint32_t (*uca_cam_stop_recording) (struct uca_camera *cam); * * \param[in] buffer Image data * + * \param[in] meta_data Meta data provided by the camera specifying per-frame + * data. + * * \param[in] user User data registered in uca_cam_register_callback() + * + * \note The meta data parameter is not yet specified but just a place holder. */ -typedef void (*uca_cam_grab_callback) (uint32_t image_number, void *buffer, void *user); +typedef void (*uca_cam_grab_callback) (uint32_t image_number, void *buffer, void *meta_data, void *user); /** * Register callback for given frame grabber. To actually start receiving @@ -148,11 +153,11 @@ typedef void (*uca_cam_grab_callback) (uint32_t image_number, void *buffer, void * * \param[in] grabber The grabber for which the callback should be installed * - * \param[in] cb Callback function for when a frame arrived + * \param[in] callback Callback function for when a frame arrived * * \param[in] user User data that is passed to the callback function */ -typedef uint32_t (*uca_cam_register_callback) (struct uca_camera *cam, uca_cam_grab_callback cb, void *user); +typedef uint32_t (*uca_cam_register_callback) (struct uca_camera *cam, uca_cam_grab_callback callback, void *user); /** * \brief Grab one image from the camera @@ -162,8 +167,13 @@ typedef uint32_t (*uca_cam_register_callback) (struct uca_camera *cam, uca_cam_g * * \param[in] buffer Destination buffer * + * \param[in] meta_data Meta data provided by the camera specifying per-frame + * data. + * + * \note The meta data parameter is not yet specified but just a place holder. + * */ -typedef uint32_t (*uca_cam_grab) (struct uca_camera *cam, char *buffer); +typedef uint32_t (*uca_cam_grab) (struct uca_camera *cam, char *buffer, void *meta_data); /** @@ -230,9 +240,9 @@ typedef struct uca_camera { uint32_t current_frame; /**< last grabbed frame number */ uca_cam_grab_callback callback; - void *user_callback; /**< user data for callback */ + void *callback_user; /**< user data for callback */ - void *user; /**< private user data to be used by the camera driver */ + void *user; /**< private user data to be used by the camera driver */ } uca_camera_t; -- cgit v1.2.3