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| 1 /* | |
| 2 * libjingle | |
| 3 * Copyright 2009 Google Inc. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | |
| 9 * this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 * this list of conditions and the following disclaimer in the documentation | |
| 12 * and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
| 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
| 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 | |
| 28 /* | |
| 29 * Author: lexnikitin@google.com (Alexey Nikitin) | |
| 30 * | |
| 31 * V4LLookup provides basic functionality to work with V2L2 devices in Linux | |
| 32 * The functionality is implemented as a class with virtual methods for | |
| 33 * the purpose of unit testing. | |
| 34 */ | |
| 35 #ifndef TALK_MEDIA_DEVICES_V4LLOOKUP_H_ | |
| 36 #define TALK_MEDIA_DEVICES_V4LLOOKUP_H_ | |
| 37 | |
| 38 #include <string> | |
| 39 | |
| 40 #ifdef WEBRTC_LINUX | |
| 41 namespace cricket { | |
| 42 class V4LLookup { | |
| 43 public: | |
| 44 virtual ~V4LLookup() {} | |
| 45 | |
| 46 static bool IsV4L2Device(const std::string& device_path) { | |
| 47 return GetV4LLookup()->CheckIsV4L2Device(device_path); | |
| 48 } | |
| 49 | |
| 50 static void SetV4LLookup(V4LLookup* v4l_lookup) { | |
| 51 v4l_lookup_ = v4l_lookup; | |
| 52 } | |
| 53 | |
| 54 static V4LLookup* GetV4LLookup() { | |
| 55 if (!v4l_lookup_) { | |
| 56 v4l_lookup_ = new V4LLookup(); | |
| 57 } | |
| 58 return v4l_lookup_; | |
| 59 } | |
| 60 | |
| 61 protected: | |
| 62 static V4LLookup* v4l_lookup_; | |
| 63 // Making virtual so it is easier to mock | |
| 64 virtual bool CheckIsV4L2Device(const std::string& device_path); | |
| 65 }; | |
| 66 | |
| 67 } // namespace cricket | |
| 68 | |
| 69 #endif // WEBRTC_LINUX | |
| 70 #endif // TALK_MEDIA_DEVICES_V4LLOOKUP_H_ | |
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