tuna: add open-source domx/camera stuff

Camera is still half-broken.

Credits to @MWisBest

Change-Id: I87a802abfacaf36ab22676f5284f0cc1996f6b03

1 files changed, 129 insertions, 0 deletions

diff --git a/camera/CameraProperties.cpp b/camera/CameraProperties.cpp
new file mode 100644
index 0000000..5d3ff20
--- /dev/null
+++ b/camera/CameraProperties.cpp
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) Texas Instruments - http://www.ti.com/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+* @file CameraProperties.cpp
+*
+* This file maps the CameraHardwareInterface to the Camera interfaces on OMAP4 (mainly OMX).
+*
+*/
+
+//#include "CameraHal.h"
+#include <utils/threads.h>
+
+#include "DebugUtils.h"
+#include "CameraProperties.h"
+
+#define CAMERA_ROOT         "CameraRoot"
+#define CAMERA_INSTANCE     "CameraInstance"
+
+namespace android {
+
+// lower entries have higher priority
+static const char* g_camera_adapters[] = {
+#ifdef OMAP4_SUPPORT_OMX_CAMERA_ADAPTER
+    "libomxcameraadapter.so",
+#endif
+#ifdef OMAP4_SUPPORT_USB_CAMERA_ADAPTER
+    "libusbcameraadapter.so"
+#endif
+};
+
+/*********************************************************
+ CameraProperties - public function implemetation
+**********************************************************/
+
+CameraProperties::CameraProperties() : mCamerasSupported(0)
+{
+    LOG_FUNCTION_NAME;
+
+    mCamerasSupported = 0;
+    mInitialized = 0;
+
+    LOG_FUNCTION_NAME_EXIT;
+}
+
+CameraProperties::~CameraProperties()
+{
+    LOG_FUNCTION_NAME;
+
+    LOG_FUNCTION_NAME_EXIT;
+}
+
+
+// Initializes the CameraProperties class
+status_t CameraProperties::initialize()
+{
+    LOG_FUNCTION_NAME;
+
+    status_t ret;
+
+    Mutex::Autolock lock(mLock);
+
+    if(mInitialized)
+        return NO_ERROR;
+
+    ret = loadProperties();
+
+    mInitialized = 1;
+
+    LOG_FUNCTION_NAME_EXIT;
+
+    return ret;
+}
+
+extern "C" int CameraAdapter_Capabilities(CameraProperties::Properties* properties_array,
+                                          const unsigned int starting_camera,
+                                          const unsigned int max_camera);
+
+///Loads all the Camera related properties
+status_t CameraProperties::loadProperties()
+{
+    LOG_FUNCTION_NAME;
+
+    status_t ret = NO_ERROR;
+
+    // adapter updates capabilities and we update camera count
+    mCamerasSupported = CameraAdapter_Capabilities(mCameraProps, mCamerasSupported, MAX_CAMERAS_SUPPORTED);
+
+    if((int)mCamerasSupported < 0) {
+        ALOGE("error while getting capabilities");
+        ret = UNKNOWN_ERROR;
+    } else if (mCamerasSupported > MAX_CAMERAS_SUPPORTED) {
+        ALOGE("returned too many adapaters");
+        ret = UNKNOWN_ERROR;
+    } else {
+        ALOGE("num_cameras = %d", mCamerasSupported);
+
+        for (unsigned int i = 0; i < mCamerasSupported; i++) {
+            mCameraProps[i].set(CAMERA_SENSOR_INDEX, i);
+            mCameraProps[i].dump();
+        }
+    }
+
+    ALOGV("mCamerasSupported = %d", mCamerasSupported);
+    LOG_FUNCTION_NAME_EXIT;
+    return ret;
+}
+
+// Returns the number of Cameras found
+int CameraProperties::camerasSupported()
+{
+    LOG_FUNCTION_NAME;
+    return mCamerasSupported;
+}
+
+};