109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
/* -*- 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"
|
|
#include "mozilla/dom/TypedArray.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);
|
|
|
|
// Overload for ArrayBuffer
|
|
void CopyArrayBufferViewOrArrayBufferData(const dom::ArrayBuffer& 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_
|