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e5e885ae31
# ignore-this-changeset --HG-- extra : amend_source : 7221c8d15a765df71171099468e7c7faa648f37c extra : histedit_source : a0cce6015636202bff09e35a13f72e03257a7695
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef EME_LOG_H_
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#define EME_LOG_H_
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#include "VideoUtils.h"
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#include "mozilla/Logging.h"
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#include "nsString.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace dom {
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class ArrayBufferViewOrArrayBuffer;
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}
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#ifndef EME_LOG
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LogModule* GetEMELog();
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# define EME_LOG(...) \
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MOZ_LOG(GetEMELog(), mozilla::LogLevel::Debug, (__VA_ARGS__))
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# define EME_LOG_ENABLED() MOZ_LOG_TEST(GetEMELog(), mozilla::LogLevel::Debug)
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#endif
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#ifndef EME_VERBOSE_LOG
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LogModule* GetEMEVerboseLog();
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# define EME_VERBOSE_LOG(...) \
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MOZ_LOG(GetEMEVerboseLog(), mozilla::LogLevel::Debug, (__VA_ARGS__))
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#else
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# ifndef EME_LOG
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# define EME_LOG(...)
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# endif
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# ifndef EME_VERBOSE_LOG
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# define EME_VERBOSE_LOG(...)
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# endif
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#endif
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// Helper function to extract a copy of data coming in from JS in an
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// (ArrayBuffer or ArrayBufferView) IDL typed function argument.
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//
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// Only call this on a properly initialized ArrayBufferViewOrArrayBuffer.
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void CopyArrayBufferViewOrArrayBufferData(
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const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView,
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nsTArray<uint8_t>& aOutData);
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struct ArrayData {
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explicit ArrayData(const uint8_t* aData, size_t aLength)
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: mData(aData), mLength(aLength) {}
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const uint8_t* mData;
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const size_t mLength;
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bool IsValid() const { return mData != nullptr && mLength != 0; }
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bool operator==(const nsTArray<uint8_t>& aOther) const {
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return mLength == aOther.Length() &&
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memcmp(mData, aOther.Elements(), mLength) == 0;
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}
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};
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// Helper function to extract data coming in from JS in an
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// (ArrayBuffer or ArrayBufferView) IDL typed function argument.
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//
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// Be *very* careful with this!
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//
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// Only use returned ArrayData inside the lifetime of the
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// ArrayBufferViewOrArrayBuffer; the ArrayData struct does not contain
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// a copy of the data!
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//
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// And do *not* call out to anything that could call into JavaScript,
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// while the ArrayData is live, as then all bets about the data not changing
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// are off! No calls into JS, no calls into JS-implemented WebIDL or XPIDL,
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// nothing. Beware!
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//
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// Only call this on a properly initialized ArrayBufferViewOrArrayBuffer.
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ArrayData GetArrayBufferViewOrArrayBufferData(
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const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView);
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nsString KeySystemToGMPName(const nsAString& aKeySystem);
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bool IsClearkeyKeySystem(const nsAString& aKeySystem);
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bool IsWidevineKeySystem(const nsAString& aKeySystem);
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// Note: Primetime is now unsupported, but we leave it in the enum so
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// that the telemetry enum values are not changed; doing so would break
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// existing telemetry probes.
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enum CDMType {
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eClearKey = 0,
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ePrimetime = 1, // Note: Unsupported.
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eWidevine = 2,
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eUnknown = 3
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};
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CDMType ToCDMTypeTelemetryEnum(const nsString& aKeySystem);
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} // namespace mozilla
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#endif // EME_LOG_H_
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