Add (possible) meta data transmission and integrate callback in pco and pf

4 files changed, 42 insertions, 7 deletions

diff --git a/src/cameras/dummy.c b/src/cameras/dummy.c
index 226e476..5361301 100644
--- a/src/cameras/dummy.c
+++ b/src/cameras/dummy.c
@@ -139,7 +139,7 @@ static void *uca_dummy_grab_thread(void *arg)
     while (dc->thread_running) {
         uca_dummy_memcpy(cam, dc->buffer);
         gettimeofday(&start, NULL);
-        cam->callback(cam->current_frame, dc->buffer, cam->user_callback);
+        cam->callback(cam->current_frame, dc->buffer, NULL, cam->callback_user);
         gettimeofday(&stop, NULL);
 
         call_time = uca_dummy_time_diff(&start, &stop);
@@ -253,7 +253,7 @@ uint32_t uca_dummy_register_callback(struct uca_camera *cam, uca_cam_grab_callba
 {
     if (cam->callback == NULL) {
         cam->callback = cb;
-        cam->user_callback = user;
+        cam->callback_user = user;
     }
     else
         return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
@@ -261,7 +261,7 @@ uint32_t uca_dummy_register_callback(struct uca_camera *cam, uca_cam_grab_callba
     return UCA_NO_ERROR;
 }
 
-uint32_t uca_dummy_grab(struct uca_camera *cam, char *buffer)
+uint32_t uca_dummy_grab(struct uca_camera *cam, char *buffer, void *meta_data)
 {
     if (cam->callback != NULL)
         return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
@@ -295,7 +295,7 @@ uint32_t uca_dummy_init(struct uca_camera **cam, struct uca_grabber *grabber)
     uca->current_frame = 0;
     uca->grabber = NULL;
     uca->callback = NULL;
-    uca->user_callback = NULL;
+    uca->callback_user = NULL;
 
     struct dummy_cam *dummy_cam = (struct dummy_cam *) malloc(sizeof(struct dummy_cam));
     dummy_cam->bitdepth = 8;
diff --git a/src/cameras/ipe.c b/src/cameras/ipe.c
index 4b3d021..a9f1ff2 100644
--- a/src/cameras/ipe.c
+++ b/src/cameras/ipe.c
@@ -88,11 +88,21 @@ static uint32_t uca_ipe_stop_recording(struct uca_camera *cam)
     return UCA_NO_ERROR;
 }
 
-static uint32_t uca_ipe_grab(struct uca_camera *cam, char *buffer)
+static uint32_t uca_ipe_grab(struct uca_camera *cam, char *buffer, void *meta_data)
 {
     return UCA_NO_ERROR;
 }
 
+static uint32_t uca_ipe_register_callback(struct uca_camera *cam, uca_cam_grab_callback cb, void *user)
+{
+    if (cam->callback == NULL) {
+        cam->callback = cb;
+        cam->callback_user = user;
+        return UCA_NO_ERROR;
+    }
+    return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
+}
+
 static uint32_t uca_ipe_destroy(struct uca_camera *cam)
 {
     pcilib_close(GET_HANDLE(cam));
@@ -118,7 +128,10 @@ uint32_t uca_ipe_init(struct uca_camera **cam, struct uca_grabber *grabber)
     uca->start_recording = &uca_ipe_start_recording;
     uca->stop_recording = &uca_ipe_stop_recording;
     uca->grab = &uca_ipe_grab;
+    uca->register_callback = &uca_ipe_register_callback;
 
+    uca->callback = NULL;
+    uca_>callback_user = NULL;
     uca->state = UCA_CAM_CONFIGURABLE;
     uca->user = handle;
     *cam = uca;
diff --git a/src/cameras/pco.c b/src/cameras/pco.c
index 1ca16f4..59c689d 100644
--- a/src/cameras/pco.c
+++ b/src/cameras/pco.c
@@ -212,7 +212,7 @@ uint32_t uca_pco_stop_recording(struct uca_camera *cam)
     return UCA_NO_ERROR;
 }
 
-uint32_t uca_pco_grab(struct uca_camera *cam, char *buffer)
+uint32_t uca_pco_grab(struct uca_camera *cam, char *buffer, void *meta_data)
 {
     uint16_t *frame;
     uint32_t err = cam->grabber->grab(cam->grabber, (void **) &frame, &cam->current_frame);
@@ -224,6 +224,17 @@ uint32_t uca_pco_grab(struct uca_camera *cam, char *buffer)
     return UCA_NO_ERROR;
 }
 
+uint32_t uca_pco_register_callback(struct uca_camera *cam, uca_cam_grab_callback callback, void *user)
+{
+    if (cam->callback == NULL) {
+        cam->callback = callback;
+        cam->callback_user = user;
+        cam->grabber->register_callback(cam->grabber, callback, NULL, user);
+        return UCA_NO_ERROR;
+    }
+    return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
+}
+
 uint32_t uca_pco_init(struct uca_camera **cam, struct uca_grabber *grabber)
 {
     if (grabber == NULL)
diff --git a/src/cameras/pf.c b/src/cameras/pf.c
index 7f6ad0f..ab6a490 100644
--- a/src/cameras/pf.c
+++ b/src/cameras/pf.c
@@ -171,7 +171,7 @@ uint32_t uca_pf_stop_recording(struct uca_camera *cam)
     return UCA_NO_ERROR;
 }
 
-uint32_t uca_pf_grab(struct uca_camera *cam, char *buffer)
+uint32_t uca_pf_grab(struct uca_camera *cam, char *buffer, void *metadata)
 {
     uint16_t *frame;
     uint32_t err = cam->grabber->grab(cam->grabber, (void **) &frame, &cam->current_frame);
@@ -182,6 +182,17 @@ uint32_t uca_pf_grab(struct uca_camera *cam, char *buffer)
     return UCA_NO_ERROR;
 }
 
+uint32_t uca_pf_register_callback(struct uca_camera *cam, uca_cam_grab_callback callback, void *user)
+{
+    if (cam->callback == NULL) {
+        cam->callback = callback;
+        cam->callback_user = user;
+        cam->grabber->register_callback(cam->grabber, callback, NULL, user);
+        return UCA_NO_ERROR;
+    }
+    return UCA_ERR_GRABBER_CALLBACK_ALREADY_REGISTERED;
+}
+
 static uint32_t uca_pf_destroy(struct uca_camera *cam)
 {
     pfDeviceClose(0);