Rotate frames according to camera orientation

media/capture/video/linux/camera_config_chromeos_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
-#include "media/capture/video/linux/camera_facing_chromeos.h"
+#include "media/capture/video/linux/camera_config_chromeos.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include <base/files/file_util.h>
 #include <base/files/file.h>
 
 namespace media {
 
 namespace {
 
 const char kConfigFileContent[] =
-    "camera0.lens_facing=1\ncamera0.sensor_orientation=0\ncamera0.module0.usb_"
+    "camera0.lens_facing=1\ncamera0.sensor_orientation=90\ncamera0.module0.usb_"
     "vid_pid=04f2:b53a\n";
 }
 
-TEST(CameraFacingChromeOSTest, ParseSuccessfully) {
+TEST(CameraConfigChromeOSTest, ParseSuccessfully) {
   const char file_name[] = "fake_camera_characteristics.conf";
   base::WriteFile(base::FilePath(file_name), kConfigFileContent,
                   sizeof(kConfigFileContent));
 
   std::string file_name_str(file_name);
-  CameraFacingChromeOS camera_facing(file_name_str);
+  CameraConfigChromeOS camera_config(file_name_str);
   EXPECT_EQ(VideoFacingMode::MEDIA_VIDEO_FACING_ENVIRONMENT,
-            camera_facing.GetCameraFacing(std::string("/dev/video2"),
+            camera_config.GetCameraFacing(std::string("/dev/video2"),
+                                          std::string("04f2:b53a")));
+  EXPECT_EQ(90, camera_config.GetOrientation(std::string("/dev/video2"),
+                                             std::string("04f2:b53a")));
+}
+
+TEST(CameraConfigChromeOSTest, ConfigFileNotExist) {
+  CameraConfigChromeOS camera_config(std::string("file_not_exist"));
+  EXPECT_EQ(VideoFacingMode::MEDIA_VIDEO_FACING_NONE,
+            camera_config.GetCameraFacing(std::string("/dev/video2"),
                                           std::string("04f2:b53a")));
 }

[wuchengli, 2017/01/24 04:18:22]

Also check orientation here.

[shenghao, 2017/01/24 14:29:52]

Done.

 
-TEST(CameraFacingChromeOSTest, ConfigFileNotExist) {
-  CameraFacingChromeOS camera_facing(std::string("file_not_exist"));
-  EXPECT_EQ(VideoFacingMode::MEDIA_VIDEO_FACING_NONE,
-            camera_facing.GetCameraFacing(std::string("/dev/video2"),
-                                          std::string("04f2:b53a")));
-}
-
 }  // namespace media