mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-22 17:55:50 +00:00
296a6514a0
EME key system constants are used with UTF-8 functions where ASCII functions would do Differential Revision: https://phabricator.services.mozilla.com/D25730 --HG-- extra : moz-landing-system : lando
70 lines
2.1 KiB
C++
70 lines
2.1 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/. */
|
|
|
|
#include "mozilla/EMEUtils.h"
|
|
#include "mozilla/dom/UnionTypes.h"
|
|
|
|
namespace mozilla {
|
|
|
|
LogModule* GetEMELog() {
|
|
static LazyLogModule log("EME");
|
|
return log;
|
|
}
|
|
|
|
LogModule* GetEMEVerboseLog() {
|
|
static LazyLogModule log("EMEV");
|
|
return log;
|
|
}
|
|
|
|
ArrayData GetArrayBufferViewOrArrayBufferData(
|
|
const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView) {
|
|
MOZ_ASSERT(aBufferOrView.IsArrayBuffer() ||
|
|
aBufferOrView.IsArrayBufferView());
|
|
if (aBufferOrView.IsArrayBuffer()) {
|
|
const dom::ArrayBuffer& buffer = aBufferOrView.GetAsArrayBuffer();
|
|
buffer.ComputeLengthAndData();
|
|
return ArrayData(buffer.Data(), buffer.Length());
|
|
} else if (aBufferOrView.IsArrayBufferView()) {
|
|
const dom::ArrayBufferView& bufferview =
|
|
aBufferOrView.GetAsArrayBufferView();
|
|
bufferview.ComputeLengthAndData();
|
|
return ArrayData(bufferview.Data(), bufferview.Length());
|
|
}
|
|
return ArrayData(nullptr, 0);
|
|
}
|
|
|
|
void CopyArrayBufferViewOrArrayBufferData(
|
|
const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView,
|
|
nsTArray<uint8_t>& aOutData) {
|
|
ArrayData data = GetArrayBufferViewOrArrayBufferData(aBufferOrView);
|
|
aOutData.Clear();
|
|
if (!data.IsValid()) {
|
|
return;
|
|
}
|
|
aOutData.AppendElements(data.mData, data.mLength);
|
|
}
|
|
|
|
bool IsClearkeyKeySystem(const nsAString& aKeySystem) {
|
|
return aKeySystem.EqualsLiteral(EME_KEY_SYSTEM_CLEARKEY);
|
|
}
|
|
|
|
bool IsWidevineKeySystem(const nsAString& aKeySystem) {
|
|
return aKeySystem.EqualsLiteral(EME_KEY_SYSTEM_WIDEVINE);
|
|
}
|
|
|
|
nsString KeySystemToGMPName(const nsAString& aKeySystem) {
|
|
if (IsClearkeyKeySystem(aKeySystem)) {
|
|
return NS_LITERAL_STRING("gmp-clearkey");
|
|
}
|
|
if (IsWidevineKeySystem(aKeySystem)) {
|
|
return NS_LITERAL_STRING("gmp-widevinecdm");
|
|
}
|
|
MOZ_ASSERT(false, "We should only call this for known GMPs");
|
|
return EmptyString();
|
|
}
|
|
|
|
} // namespace mozilla
|