Share common properties between camera and grabber to let the camera just call

grabber->set_property once

2 files changed, 36 insertions, 64 deletions

diff --git a/src/cameras/pco.c b/src/cameras/pco.c
index 1b9c8b8..4acbf17 100644
--- a/src/cameras/pco.c
+++ b/src/cameras/pco.c
@@ -46,29 +46,23 @@ static uint32_t uca_pco_set_property(struct uca_camera *cam, enum uca_property_i
     struct uca_grabber *grabber = cam->grabber;
     uint32_t err = UCA_ERR_CAMERA | UCA_ERR_PROP;
 
+    /* We try to set the property on the grabber. If it returns "invalid", we
+     * also try it via the libpco. Else, there was a more serious error. */
+    err = grabber->set_property(grabber, property, data);
+    if (((err & UCA_ERR_MASK_CODE) == UCA_ERR_INVALID) || (err == UCA_NO_ERROR))
+        err = UCA_ERR_CAMERA | UCA_ERR_PROP;
+    else
+        return err;
+
     switch (property) {
         case UCA_PROP_WIDTH:
-            if (grabber->set_property(grabber, UCA_GRABBER_WIDTH, (uint32_t *) data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
             cam->frame_width = *((uint32_t *) data);
             break;
 
         case UCA_PROP_HEIGHT:
-            if (grabber->set_property(grabber, UCA_GRABBER_HEIGHT, (uint32_t *) data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
             cam->frame_height = *((uint32_t *) data);
             break;
 
-        case UCA_PROP_X_OFFSET:
-            if (grabber->set_property(grabber, UCA_GRABBER_OFFSET_X, (uint32_t *) data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
-            break;
-
-        case UCA_PROP_Y_OFFSET:
-            if (grabber->set_property(grabber, UCA_GRABBER_OFFSET_Y, (uint32_t *) data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
-            break;
-
         case UCA_PROP_EXPOSURE:
             return uca_pco_set_exposure(cam, (uint32_t *) data);
 
@@ -78,11 +72,6 @@ static uint32_t uca_pco_set_property(struct uca_camera *cam, enum uca_property_i
         case UCA_PROP_TIMESTAMP_MODE:
             return pco_set_timestamp_mode(GET_PCO(cam), *((uint16_t *) data));
 
-        case UCA_PROP_GRAB_TIMEOUT:
-            if (grabber->set_property(grabber, UCA_GRABBER_TIMEOUT, data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
-            break;
-
         default:
             return err | UCA_ERR_INVALID;
     }
@@ -151,10 +140,10 @@ static uint32_t uca_pco_get_property(struct uca_camera *cam, enum uca_property_i
             break;
 
         case UCA_PROP_X_OFFSET:
-            return grabber->get_property(grabber, UCA_GRABBER_OFFSET_X, (uint32_t *) data);
+            return grabber->get_property(grabber, UCA_PROP_X_OFFSET, (uint32_t *) data);
 
         case UCA_PROP_Y_OFFSET:
-            return grabber->get_property(grabber, UCA_GRABBER_OFFSET_Y, (uint32_t *) data);
+            return grabber->get_property(grabber, UCA_PROP_Y_OFFSET, (uint32_t *) data);
 
         case UCA_PROP_DELAY:
             {
@@ -193,7 +182,7 @@ static uint32_t uca_pco_get_property(struct uca_camera *cam, enum uca_property_i
         case UCA_PROP_GRAB_TIMEOUT:
             {
                 uint32_t timeout;
-                uint32_t err = cam->grabber->get_property(cam->grabber, UCA_GRABBER_TIMEOUT, &timeout);
+                uint32_t err = cam->grabber->get_property(cam->grabber, UCA_PROP_GRAB_TIMEOUT, &timeout);
                 if (err != UCA_NO_ERROR)
                     return err;
                 set_void(data, uint32_t, timeout);
@@ -298,8 +287,8 @@ uint32_t uca_pco_init(struct uca_camera **cam, struct uca_grabber *grabber)
     /* Yes, we really have to take an image twice as large because we set the
      * CameraLink interface to 8-bit 10 Taps, but are actually using 5x16 bits. */
     width *= 2;
-    grabber->set_property(grabber, UCA_GRABBER_WIDTH, &width);
-    grabber->set_property(grabber, UCA_GRABBER_HEIGHT, &height);
+    grabber->set_property(grabber, UCA_PROP_WIDTH, &width);
+    grabber->set_property(grabber, UCA_PROP_HEIGHT, &height);
 
     uca->state = UCA_CAM_CONFIGURABLE;
     *cam = uca;
diff --git a/src/cameras/pf.c b/src/cameras/pf.c
index 4688cd4..5c35b70 100644
--- a/src/cameras/pf.c
+++ b/src/cameras/pf.c
@@ -54,7 +54,15 @@ static uint32_t uca_pf_set_property(struct uca_camera *cam, enum uca_property_id
     struct uca_grabber *grabber = cam->grabber;
     TOKEN token = INVALID_TOKEN;
     int i = 0;
-    int err = UCA_ERR_CAMERA | UCA_ERR_PROP;
+    int err = UCA_NO_ERROR;
+
+    /* We try to set the property on the grabber. If it returns "invalid", we
+     * also try it via the PF SDK. Else, there was a more serious error. */
+    err = grabber->set_property(grabber, property, data);
+    if (((err & UCA_ERR_MASK_CODE) == UCA_ERR_INVALID) || (err == UCA_NO_ERROR))
+        err = UCA_ERR_CAMERA | UCA_ERR_PROP;
+    else
+        return err;
 
     /* Find a valid pf token for the property */
     while (uca_to_pf[i].uca_prop != -1) {
@@ -71,29 +79,15 @@ static uint32_t uca_pf_set_property(struct uca_camera *cam, enum uca_property_id
 
     switch (property) {
         case UCA_PROP_WIDTH:
-            if (grabber->set_property(grabber, UCA_GRABBER_WIDTH, data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
             if (uca_pf_set_uint32_property(token, data, &cam->frame_width) < 0)
                 return err | UCA_ERR_OUT_OF_RANGE;
             break;
 
         case UCA_PROP_HEIGHT:
-            if (grabber->set_property(grabber, UCA_GRABBER_HEIGHT, data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
             if (uca_pf_set_uint32_property(token, data, &cam->frame_height) < 0)
                 return err | UCA_ERR_OUT_OF_RANGE;
             break;
 
-        case UCA_PROP_X_OFFSET:
-            if (grabber->set_property(grabber, UCA_GRABBER_OFFSET_X, data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
-            break;
-
-        case UCA_PROP_Y_OFFSET:
-            if (grabber->set_property(grabber, UCA_GRABBER_OFFSET_Y, data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
-            break;
-
         case UCA_PROP_EXPOSURE:
             /* I haven't found a specification but it looks like PF uses milli
              * seconds. We also by-pass the frame grabber... */
@@ -103,11 +97,6 @@ static uint32_t uca_pf_set_property(struct uca_camera *cam, enum uca_property_id
                 return err | UCA_ERR_OUT_OF_RANGE;
             break;
 
-        case UCA_PROP_GRAB_TIMEOUT:
-            if (grabber->set_property(grabber, UCA_GRABBER_TIMEOUT, data) != UCA_NO_ERROR)
-                return err | UCA_ERR_OUT_OF_RANGE;
-            break;
-
         default:
             return err | UCA_ERR_INVALID;
     }
@@ -120,6 +109,16 @@ static uint32_t uca_pf_get_property(struct uca_camera *cam, enum uca_property_id
     TOKEN t;    /* You gotta love developers who name types capitalized... */
     PFValue value;
 
+    /* Handle all special cases */
+    switch (property) {
+        case UCA_PROP_BITDEPTH:
+            set_void(data, uint32_t, 8);
+            return UCA_NO_ERROR;
+
+        default:
+            break;
+    }
+
     int i = 0;
     while (uca_to_pf[i].uca_prop != -1) {
         if (uca_to_pf[i].uca_prop == property) {
@@ -157,24 +156,8 @@ static uint32_t uca_pf_get_property(struct uca_camera *cam, enum uca_property_id
         i++;
     }
 
-    /* Handle all special cases */
-    switch (property) {
-        case UCA_PROP_BITDEPTH:
-            set_void(data, uint32_t, 8);
-            break;
-
-        case UCA_PROP_GRAB_TIMEOUT:
-            {
-                uint32_t timeout;
-                cam->grabber->get_property(cam->grabber, UCA_GRABBER_TIMEOUT, &timeout);
-                set_void(data, uint32_t, timeout);
-            }
-            break;
-
-        default:
-            return UCA_ERR_CAMERA | UCA_ERR_PROP | UCA_ERR_INVALID;
-    }
-    return UCA_NO_ERROR;
+    /* Try to get the property via frame grabber */
+    return cam->grabber->get_property(cam->grabber, property, data);
 }
 
 uint32_t uca_pf_start_recording(struct uca_camera *cam)
@@ -249,8 +232,8 @@ uint32_t uca_pf_init(struct uca_camera **cam, struct uca_grabber *grabber)
     uca_pf_get_property(uca, UCA_PROP_WIDTH, &uca->frame_width, 0);
     uca_pf_get_property(uca, UCA_PROP_HEIGHT, &uca->frame_height, 0);
 
-    grabber->set_property(grabber, UCA_GRABBER_WIDTH, &uca->frame_width);
-    grabber->set_property(grabber, UCA_GRABBER_HEIGHT, &uca->frame_height);
+    grabber->set_property(grabber, UCA_PROP_WIDTH, &uca->frame_width);
+    grabber->set_property(grabber, UCA_PROP_HEIGHT, &uca->frame_height);
 
     uca->state = UCA_CAM_CONFIGURABLE;
     *cam = uca;