add functions to set white/black pixel correction flag

Author: alorbach

src/esp32cam.cpp

@@ -296,6 +296,34 @@ CameraClass::changVFlip(int iEnable)
     return false;
 }
 
+bool
+CameraClass::changBPC(int iEnable)
+{
+  sensor_t* sensor = esp_camera_sensor_get();
+  if (sensor == nullptr) {
+    return false;
+  }
+
+  if (sensor->set_bpc_dsp(sensor, iEnable) == 0) {
+    return true;
+  } else
+    return false;
+}
+
+bool
+CameraClass::changWPC(int iEnable)
+{
+  sensor_t* sensor = esp_camera_sensor_get();
+  if (sensor == nullptr) {
+    return false;
+  }
+
+  if (sensor->set_wpc_dsp(sensor, iEnable) == 0) {
+    return true;
+  } else
+    return false;
+}
+
 std::unique_ptr<Frame>
 CameraClass::capture()
 {

src/esp32cam.h

@@ -141,6 +141,18 @@ class CameraClass
   */
   bool
   changVFlip(int iEnable);
+
+  /** \brief Enable/Disable black pixel correction
+   *  \param iEnable must be 0(disable) or 1 (enable)
+  */
+  bool
+  changBPC(int iEnable);
+
+  /** \brief Enable/Disable white pixel correction
+   *  \param iEnable must be 0(disable) or 1 (enable)
+  */
+  bool
+  changWPC(int iEnable);
 
   /** \brief Capture a frame of picture.
    */