LCOV - code coverage report
Current view: top level - dom/media/eme - EMEUtils.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 37 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 8 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
       5             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "mozilla/EMEUtils.h"
       8             : #include "mozilla/dom/UnionTypes.h"
       9             : 
      10             : namespace mozilla {
      11             : 
      12           0 : LogModule* GetEMELog() {
      13             :   static LazyLogModule log("EME");
      14           0 :   return log;
      15             : }
      16             : 
      17           0 : LogModule* GetEMEVerboseLog() {
      18             :   static LazyLogModule log("EMEV");
      19           0 :   return log;
      20             : }
      21             : 
      22             : ArrayData
      23           0 : GetArrayBufferViewOrArrayBufferData(const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView)
      24             : {
      25           0 :   MOZ_ASSERT(aBufferOrView.IsArrayBuffer() || aBufferOrView.IsArrayBufferView());
      26           0 :   if (aBufferOrView.IsArrayBuffer()) {
      27           0 :     const dom::ArrayBuffer& buffer = aBufferOrView.GetAsArrayBuffer();
      28           0 :     buffer.ComputeLengthAndData();
      29           0 :     return ArrayData(buffer.Data(), buffer.Length());
      30           0 :   } else if (aBufferOrView.IsArrayBufferView()) {
      31           0 :     const dom::ArrayBufferView& bufferview = aBufferOrView.GetAsArrayBufferView();
      32           0 :     bufferview.ComputeLengthAndData();
      33           0 :     return ArrayData(bufferview.Data(), bufferview.Length());
      34             :   }
      35           0 :   return ArrayData(nullptr, 0);
      36             : }
      37             : 
      38             : void
      39           0 : CopyArrayBufferViewOrArrayBufferData(const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView,
      40             :                                      nsTArray<uint8_t>& aOutData)
      41             : {
      42           0 :   ArrayData data = GetArrayBufferViewOrArrayBufferData(aBufferOrView);
      43           0 :   aOutData.Clear();
      44           0 :   if (!data.IsValid()) {
      45           0 :     return;
      46             :   }
      47           0 :   aOutData.AppendElements(data.mData, data.mLength);
      48             : }
      49             : 
      50             : bool
      51           0 : IsClearkeyKeySystem(const nsAString& aKeySystem)
      52             : {
      53           0 :   return !CompareUTF8toUTF16(kEMEKeySystemClearkey, aKeySystem);
      54             : }
      55             : 
      56             : bool
      57           0 : IsWidevineKeySystem(const nsAString& aKeySystem)
      58             : {
      59           0 :   return !CompareUTF8toUTF16(kEMEKeySystemWidevine, aKeySystem);
      60             : }
      61             : 
      62             : nsString
      63           0 : KeySystemToGMPName(const nsAString& aKeySystem)
      64             : {
      65           0 :   if (IsClearkeyKeySystem(aKeySystem)) {
      66           0 :     return NS_LITERAL_STRING("gmp-clearkey");
      67             :   }
      68           0 :   if (IsWidevineKeySystem(aKeySystem)) {
      69           0 :     return NS_LITERAL_STRING("gmp-widevinecdm");
      70             :   }
      71           0 :   MOZ_ASSERT(false, "We should only call this for known GMPs");
      72             :   return EmptyString();
      73             : }
      74             : 
      75             : CDMType
      76           0 : ToCDMTypeTelemetryEnum(const nsString& aKeySystem)
      77             : {
      78           0 :   if (IsWidevineKeySystem(aKeySystem)) {
      79           0 :     return CDMType::eWidevine;
      80           0 :   } else if (IsClearkeyKeySystem(aKeySystem)) {
      81           0 :     return CDMType::eClearKey;
      82             :   }
      83           0 :   return CDMType::eUnknown;
      84             : }
      85             : 
      86             : } // namespace mozilla

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