Move talk/media to webrtc/media

webrtc/media/devices/v4llookup.h

+/*
+ *  Copyright 2009 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+/*
+ * Author: lexnikitin@google.com (Alexey Nikitin)
+ *
+ * V4LLookup provides basic functionality to work with V2L2 devices in Linux
+ * The functionality is implemented as a class with virtual methods for
+ * the purpose of unit testing.
+ */
+#ifndef WEBRTC_MEDIA_DEVICES_V4LLOOKUP_H_
+#define WEBRTC_MEDIA_DEVICES_V4LLOOKUP_H_
+
+#include <string>
+
+#ifdef WEBRTC_LINUX
+namespace cricket {
+class V4LLookup {
+ public:
+  virtual ~V4LLookup() {}
+
+  static bool IsV4L2Device(const std::string& device_path) {
+    return GetV4LLookup()->CheckIsV4L2Device(device_path);
+  }
+
+  static void SetV4LLookup(V4LLookup* v4l_lookup) {
+    v4l_lookup_ = v4l_lookup;
+  }
+
+  static V4LLookup* GetV4LLookup() {
+    if (!v4l_lookup_) {
+      v4l_lookup_ = new V4LLookup();
+    }
+    return v4l_lookup_;
+  }
+
+ protected:
+  static V4LLookup* v4l_lookup_;
+  // Making virtual so it is easier to mock
+  virtual bool CheckIsV4L2Device(const std::string& device_path);
+};
+
+}  // namespace cricket
+
+#endif  // WEBRTC_LINUX
+#endif  // WEBRTC_MEDIA_DEVICES_V4LLOOKUP_H_