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-rw-r--r--camera/QCamera2/util/QCameraFlash.h69
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+/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef __QCAMERA_FLASH_H__
+#define __QCAMERA_FLASH_H__
+
+// Camera dependencies
+#include "camera_common.h"
+
+extern "C" {
+#include "mm_camera_interface.h"
+}
+
+namespace qcamera {
+
+#define QCAMERA_TORCH_CURRENT_VALUE 200
+
+class QCameraFlash {
+public:
+ static QCameraFlash& getInstance();
+
+ int32_t registerCallbacks(const camera_module_callbacks_t* callbacks);
+ int32_t initFlash(const int camera_id);
+ int32_t setFlashMode(const int camera_id, const bool on);
+ int32_t deinitFlash(const int camera_id);
+ int32_t reserveFlashForCamera(const int camera_id);
+ int32_t releaseFlashFromCamera(const int camera_id);
+
+private:
+ QCameraFlash();
+ virtual ~QCameraFlash();
+ QCameraFlash(const QCameraFlash&);
+ QCameraFlash& operator=(const QCameraFlash&);
+
+ const camera_module_callbacks_t *m_callbacks;
+ int32_t m_flashFds[MM_CAMERA_MAX_NUM_SENSORS];
+ bool m_flashOn[MM_CAMERA_MAX_NUM_SENSORS];
+ bool m_cameraOpen[MM_CAMERA_MAX_NUM_SENSORS];
+};
+
+}; // namespace qcamera
+
+#endif /* __QCAMERA_FLASH_H__ */