/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef EME_LOG_H_ #define EME_LOG_H_ #include "VideoUtils.h" #include "mozilla/Logging.h" #include "nsString.h" #include "nsTArray.h" namespace mozilla { namespace dom { class ArrayBufferViewOrArrayBuffer; } #ifndef EME_LOG LogModule* GetEMELog(); #define EME_LOG(...) MOZ_LOG(GetEMELog(), mozilla::LogLevel::Debug, (__VA_ARGS__)) #define EME_LOG_ENABLED() MOZ_LOG_TEST(GetEMELog(), mozilla::LogLevel::Debug) #endif #ifndef EME_VERBOSE_LOG LogModule* GetEMEVerboseLog(); #define EME_VERBOSE_LOG(...) MOZ_LOG(GetEMEVerboseLog(), mozilla::LogLevel::Debug, (__VA_ARGS__)) #else #ifndef EME_LOG #define EME_LOG(...) #endif #ifndef EME_VERBOSE_LOG #define EME_VERBOSE_LOG(...) #endif #endif // Helper function to extract a copy of data coming in from JS in an // (ArrayBuffer or ArrayBufferView) IDL typed function argument. // // Only call this on a properly initialized ArrayBufferViewOrArrayBuffer. void CopyArrayBufferViewOrArrayBufferData(const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView, nsTArray<uint8_t>& aOutData); struct ArrayData { explicit ArrayData(const uint8_t* aData, size_t aLength) : mData(aData) , mLength(aLength) { } const uint8_t* mData; const size_t mLength; bool IsValid() const { return mData != nullptr && mLength != 0; } bool operator== (const nsTArray<uint8_t>& aOther) const { return mLength == aOther.Length() && memcmp(mData, aOther.Elements(), mLength) == 0; } }; // Helper function to extract data coming in from JS in an // (ArrayBuffer or ArrayBufferView) IDL typed function argument. // // Be *very* careful with this! // // Only use returned ArrayData inside the lifetime of the // ArrayBufferViewOrArrayBuffer; the ArrayData struct does not contain // a copy of the data! // // And do *not* call out to anything that could call into JavaScript, // while the ArrayData is live, as then all bets about the data not changing // are off! No calls into JS, no calls into JS-implemented WebIDL or XPIDL, // nothing. Beware! // // Only call this on a properly initialized ArrayBufferViewOrArrayBuffer. ArrayData GetArrayBufferViewOrArrayBufferData(const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView); nsString KeySystemToGMPName(const nsAString& aKeySystem); bool IsClearkeyKeySystem(const nsAString& aKeySystem); bool IsWidevineKeySystem(const nsAString& aKeySystem); enum CDMType { eClearKey = 0, eWidevine = 2, eUnknown = 3 }; CDMType ToCDMTypeTelemetryEnum(const nsString& aKeySystem); } // namespace mozilla #endif // EME_LOG_H_