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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "MediaDrmProxySupport.h"
#include "mozilla/EMEUtils.h"
#include "FennecJNINatives.h"
#include "MediaCodec.h" // For MediaDrm::KeyStatus
#include "MediaPrefs.h"
using namespace mozilla::java;
namespace mozilla {
LogModule* GetMDRMNLog() {
static LazyLogModule log("MediaDrmProxySupport");
return log;
}
class MediaDrmJavaCallbacksSupport
: public MediaDrmProxy::NativeMediaDrmProxyCallbacks::Natives<MediaDrmJavaCallbacksSupport>
{
public:
typedef MediaDrmProxy::NativeMediaDrmProxyCallbacks::Natives<MediaDrmJavaCallbacksSupport> MediaDrmProxyNativeCallbacks;
using MediaDrmProxyNativeCallbacks::DisposeNative;
using MediaDrmProxyNativeCallbacks::AttachNative;
MediaDrmJavaCallbacksSupport(DecryptorProxyCallback* aDecryptorProxyCallback)
: mDecryptorProxyCallback(aDecryptorProxyCallback)
{
MOZ_ASSERT(aDecryptorProxyCallback);
}
/*
* Native implementation, called by Java.
*/
void OnSessionCreated(int aCreateSessionToken,
int aPromiseId,
jni::ByteArray::Param aSessionId,
jni::ByteArray::Param aRequest);
void OnSessionUpdated(int aPromiseId, jni::ByteArray::Param aSessionId);
void OnSessionClosed(int aPromiseId, jni::ByteArray::Param aSessionId);
void OnSessionMessage(jni::ByteArray::Param aSessionId,
int /*mozilla::dom::MediaKeyMessageType*/ aSessionMessageType,
jni::ByteArray::Param aRequest);
void OnSessionError(jni::ByteArray::Param aSessionId,
jni::String::Param aMessage);
void OnSessionBatchedKeyChanged(jni::ByteArray::Param,
jni::ObjectArray::Param);
void OnRejectPromise(int aPromiseId, jni::String::Param aMessage);
private:
DecryptorProxyCallback* mDecryptorProxyCallback;
}; // MediaDrmJavaCallbacksSupport
void
MediaDrmJavaCallbacksSupport::OnSessionCreated(int aCreateSessionToken,
int aPromiseId,
jni::ByteArray::Param aSessionId,
jni::ByteArray::Param aRequest)
{
MOZ_ASSERT(NS_IsMainThread());
auto reqDataArray = aRequest->GetElements();
nsCString sessionId(reinterpret_cast<char*>(aSessionId->GetElements().Elements()),
aSessionId->Length());
MDRMN_LOG("SessionId(%s) closed", sessionId.get());
mDecryptorProxyCallback->SetSessionId(aCreateSessionToken, sessionId);
mDecryptorProxyCallback->ResolvePromise(aPromiseId);
}
void
MediaDrmJavaCallbacksSupport::OnSessionUpdated(int aPromiseId,
jni::ByteArray::Param aSessionId)
{
MOZ_ASSERT(NS_IsMainThread());
MDRMN_LOG("SessionId(%s) closed",
nsCString(reinterpret_cast<char*>(aSessionId->GetElements().Elements()),
aSessionId->Length()).get());
mDecryptorProxyCallback->ResolvePromise(aPromiseId);
}
void
MediaDrmJavaCallbacksSupport::OnSessionClosed(int aPromiseId,
jni::ByteArray::Param aSessionId)
{
MOZ_ASSERT(NS_IsMainThread());
nsCString sessionId(reinterpret_cast<char*>(aSessionId->GetElements().Elements()),
aSessionId->Length());
MDRMN_LOG("SessionId(%s) closed", sessionId.get());
mDecryptorProxyCallback->ResolvePromise(aPromiseId);
mDecryptorProxyCallback->SessionClosed(sessionId);
}
void
MediaDrmJavaCallbacksSupport::OnSessionMessage(jni::ByteArray::Param aSessionId,
int /*mozilla::dom::MediaKeyMessageType*/ aMessageType,
jni::ByteArray::Param aRequest)
{
MOZ_ASSERT(NS_IsMainThread());
nsCString sessionId(reinterpret_cast<char*>(aSessionId->GetElements().Elements()),
aSessionId->Length());
auto reqDataArray = aRequest->GetElements();
nsTArray<uint8_t> retRequest;
retRequest.AppendElements(reinterpret_cast<uint8_t*>(reqDataArray.Elements()),
reqDataArray.Length());
mDecryptorProxyCallback->SessionMessage(sessionId,
static_cast<dom::MediaKeyMessageType>(aMessageType),
retRequest);
}
void
MediaDrmJavaCallbacksSupport::OnSessionError(jni::ByteArray::Param aSessionId,
jni::String::Param aMessage)
{
MOZ_ASSERT(NS_IsMainThread());
nsCString sessionId(reinterpret_cast<char*>(aSessionId->GetElements().Elements()),
aSessionId->Length());
nsCString errorMessage = aMessage->ToCString();
MDRMN_LOG("SessionId(%s)", sessionId.get());
// TODO: We cannot get system error code from media drm API.
// Currently use -1 as an error code.
mDecryptorProxyCallback->SessionError(sessionId,
NS_ERROR_DOM_INVALID_STATE_ERR,
-1,
errorMessage);
}
// TODO: MediaDrm.KeyStatus defined the status code not included
// dom::MediaKeyStatus::Released and dom::MediaKeyStatus::Output_downscaled.
// Should keep tracking for this if it will be changed in the future.
static dom::MediaKeyStatus
MediaDrmKeyStatusToMediaKeyStatus(int aStatusCode)
{
using mozilla::java::sdk::KeyStatus;
switch (aStatusCode) {
case KeyStatus::STATUS_USABLE: return dom::MediaKeyStatus::Usable;
case KeyStatus::STATUS_EXPIRED: return dom::MediaKeyStatus::Expired;
case KeyStatus::STATUS_OUTPUT_NOT_ALLOWED: return dom::MediaKeyStatus::Output_restricted;
case KeyStatus::STATUS_INTERNAL_ERROR: return dom::MediaKeyStatus::Internal_error;
case KeyStatus::STATUS_PENDING: return dom::MediaKeyStatus::Status_pending;
default: return dom::MediaKeyStatus::Internal_error;
}
}
void
MediaDrmJavaCallbacksSupport::OnSessionBatchedKeyChanged(jni::ByteArray::Param aSessionId,
jni::ObjectArray::Param aKeyInfos)
{
MOZ_ASSERT(NS_IsMainThread());
nsCString sessionId(reinterpret_cast<char*>(aSessionId->GetElements().Elements()),
aSessionId->Length());
nsTArray<jni::Object::LocalRef> keyInfosObjectArray(aKeyInfos->GetElements());
nsTArray<CDMKeyInfo> keyInfosArray;
for (auto&& keyInfoObject : keyInfosObjectArray) {
java::SessionKeyInfo::LocalRef keyInfo(mozilla::Move(keyInfoObject));
mozilla::jni::ByteArray::LocalRef keyIdByteArray = keyInfo->KeyId();
nsTArray<int8_t> keyIdInt8Array = keyIdByteArray->GetElements();
// Cast nsTArray<int8_t> to nsTArray<uint8_t>
nsTArray<uint8_t>* keyId = reinterpret_cast<nsTArray<uint8_t>*>(&keyIdInt8Array);
auto keyStatus = keyInfo->Status(); // int32_t
keyInfosArray.AppendElement(CDMKeyInfo(*keyId,
dom::Optional<dom::MediaKeyStatus>(
MediaDrmKeyStatusToMediaKeyStatus(keyStatus)
)
)
);
}
mDecryptorProxyCallback->BatchedKeyStatusChanged(sessionId,
keyInfosArray);
}
void
MediaDrmJavaCallbacksSupport::OnRejectPromise(int aPromiseId, jni::String::Param aMessage)
{
MOZ_ASSERT(NS_IsMainThread());
nsCString reason = aMessage->ToCString();
MDRMN_LOG("OnRejectPromise aMessage(%s) ", reason.get());
// Current implementation assume all the reject from MediaDrm is due to invalid state.
// Other cases should be handled before calling into MediaDrmProxy API.
mDecryptorProxyCallback->RejectPromise(aPromiseId,
NS_ERROR_DOM_INVALID_STATE_ERR,
reason);
}
MediaDrmProxySupport::MediaDrmProxySupport(const nsAString& aKeySystem)
: mKeySystem(aKeySystem), mDestroyed(false)
{
mJavaCallbacks = MediaDrmProxy::NativeMediaDrmProxyCallbacks::New();
mBridgeProxy =
MediaDrmProxy::Create(mKeySystem,
mJavaCallbacks,
MediaPrefs::PDMAndroidRemoteCodecEnabled());
}
MediaDrmProxySupport::~MediaDrmProxySupport()
{
MOZ_ASSERT(mDestroyed, "Shutdown() should be called before !!");
MediaDrmJavaCallbacksSupport::DisposeNative(mJavaCallbacks);
}
nsresult
MediaDrmProxySupport::Init(DecryptorProxyCallback* aCallback)
{
MOZ_ASSERT(mJavaCallbacks);
mCallback = aCallback;
MediaDrmJavaCallbacksSupport::AttachNative(mJavaCallbacks,
mozilla::MakeUnique<MediaDrmJavaCallbacksSupport>(mCallback));
return mBridgeProxy != nullptr ? NS_OK : NS_ERROR_FAILURE;
}
void
MediaDrmProxySupport::CreateSession(uint32_t aCreateSessionToken,
uint32_t aPromiseId,
const nsCString& aInitDataType,
const nsTArray<uint8_t>& aInitData,
MediaDrmSessionType aSessionType)
{
MOZ_ASSERT(mBridgeProxy);
auto initDataBytes =
mozilla::jni::ByteArray::New(reinterpret_cast<const int8_t*>(&aInitData[0]),
aInitData.Length());
// TODO: aSessionType is not used here.
// Refer to
// http://androidxref.com/5.1.1_r6/xref/external/chromium_org/media/base/android/java/src/org/chromium/media/MediaDrmBridge.java#420
// it is hard code to streaming type.
mBridgeProxy->CreateSession(aCreateSessionToken,
aPromiseId,
NS_ConvertUTF8toUTF16(aInitDataType),
initDataBytes);
}
void
MediaDrmProxySupport::UpdateSession(uint32_t aPromiseId,
const nsCString& aSessionId,
const nsTArray<uint8_t>& aResponse)
{
MOZ_ASSERT(mBridgeProxy);
auto response =
mozilla::jni::ByteArray::New(reinterpret_cast<const int8_t*>(aResponse.Elements()),
aResponse.Length());
mBridgeProxy->UpdateSession(aPromiseId,
NS_ConvertUTF8toUTF16(aSessionId),
response);
}
void
MediaDrmProxySupport::CloseSession(uint32_t aPromiseId,
const nsCString& aSessionId)
{
MOZ_ASSERT(mBridgeProxy);
mBridgeProxy->CloseSession(aPromiseId, NS_ConvertUTF8toUTF16(aSessionId));
}
void
MediaDrmProxySupport::Shutdown()
{
MOZ_ASSERT(mBridgeProxy);
if (mDestroyed) {
return;
}
mBridgeProxy->Destroy();
mDestroyed = true;
}
} // namespace mozilla
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