45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
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/*
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* Copyright 2009 Google Inc.
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* Author: lexnikitin@google.com (Alexey Nikitin)
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*
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* V4LLookup provides basic functionality to work with V2L2 devices in Linux
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* The functionality is implemented as a class with virtual methods for
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* the purpose of unit testing.
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*/
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#ifndef TALK_MEDIA_DEVICES_V4LLOOKUP_H_
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#define TALK_MEDIA_DEVICES_V4LLOOKUP_H_
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#include <string>
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#ifdef LINUX
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namespace cricket {
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class V4LLookup {
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public:
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virtual ~V4LLookup() {}
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static bool IsV4L2Device(const std::string& device_path) {
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return GetV4LLookup()->CheckIsV4L2Device(device_path);
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}
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static void SetV4LLookup(V4LLookup* v4l_lookup) {
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v4l_lookup_ = v4l_lookup;
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}
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static V4LLookup* GetV4LLookup() {
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if (!v4l_lookup_) {
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v4l_lookup_ = new V4LLookup();
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}
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return v4l_lookup_;
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}
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protected:
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static V4LLookup* v4l_lookup_;
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// Making virtual so it is easier to mock
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virtual bool CheckIsV4L2Device(const std::string& device_path);
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};
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} // namespace cricket
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#endif // LINUX
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#endif // TALK_MEDIA_DEVICES_V4LLOOKUP_H_
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