Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 506 insertions, 0 deletions

diff --git a/dom/media/webrtc/WebrtcGlobal.h b/dom/media/webrtc/WebrtcGlobal.h
new file mode 100644
index 0000000000..dac51dcf6b
--- /dev/null
+++ b/dom/media/webrtc/WebrtcGlobal.h
@@ -0,0 +1,506 @@
+/* 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 _WEBRTC_GLOBAL_H_
+#define _WEBRTC_GLOBAL_H_
+
+#include "WebrtcIPCTraits.h"
+#include "ipc/EnumSerializer.h"
+#include "ipc/IPCMessageUtilsSpecializations.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/RTCDataChannelBinding.h"
+#include "mozilla/dom/RTCStatsReportBinding.h"
+#include "mozilla/UniquePtr.h"
+
+typedef mozilla::dom::RTCStatsReportInternal StatsReport;
+typedef nsTArray<mozilla::UniquePtr<StatsReport>> RTCReports;
+typedef mozilla::dom::Sequence<nsString> WebrtcGlobalLog;
+
+namespace mozilla {
+namespace dom {
+// Calls aFunction with all public members of aStats.
+// Typical usage would have aFunction take a parameter pack.
+// To avoid inconsistencies, this should be the only explicit list of the
+// public RTCStatscollection members in C++.
+template <typename Collection, typename Function>
+static auto ForAllPublicRTCStatsCollectionMembers(Collection& aStats,
+                                                  Function aFunction) {
+  static_assert(std::is_same_v<typename std::remove_const<Collection>::type,
+                               RTCStatsCollection>,
+                "aStats must be a const or non-const RTCStatsCollection");
+  return aFunction(
+      aStats.mInboundRtpStreamStats, aStats.mOutboundRtpStreamStats,
+      aStats.mRemoteInboundRtpStreamStats, aStats.mRemoteOutboundRtpStreamStats,
+      aStats.mMediaSourceStats, aStats.mPeerConnectionStats,
+      aStats.mRtpContributingSourceStats, aStats.mIceCandidatePairStats,
+      aStats.mIceCandidateStats, aStats.mTrickledIceCandidateStats,
+      aStats.mDataChannelStats, aStats.mCodecStats);
+}
+
+// Calls aFunction with all members of aStats, including internal ones.
+// Typical usage would have aFunction take a parameter pack.
+// To avoid inconsistencies, this should be the only explicit list of the
+// internal RTCStatscollection members in C++.
+template <typename Collection, typename Function>
+static auto ForAllRTCStatsCollectionMembers(Collection& aStats,
+                                            Function aFunction) {
+  static_assert(std::is_same_v<typename std::remove_const<Collection>::type,
+                               RTCStatsCollection>,
+                "aStats must be a const or non-const RTCStatsCollection");
+  return ForAllPublicRTCStatsCollectionMembers(aStats, [&](auto&... aMember) {
+    return aFunction(aMember..., aStats.mRawLocalCandidates,
+                     aStats.mRawRemoteCandidates, aStats.mVideoFrameHistories,
+                     aStats.mBandwidthEstimations);
+  });
+}
+}  // namespace dom
+}  // namespace mozilla
+
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::dom::RTCStatsType>
+    : public ContiguousEnumSerializer<mozilla::dom::RTCStatsType,
+                                      mozilla::dom::RTCStatsType::Codec,
+                                      mozilla::dom::RTCStatsType::EndGuard_> {};
+
+template <>
+struct ParamTraits<mozilla::dom::RTCStatsIceCandidatePairState>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::RTCStatsIceCandidatePairState,
+          mozilla::dom::RTCStatsIceCandidatePairState::Frozen,
+          mozilla::dom::RTCStatsIceCandidatePairState::EndGuard_> {};
+
+template <>
+struct ParamTraits<mozilla::dom::RTCIceCandidateType>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::RTCIceCandidateType,
+          mozilla::dom::RTCIceCandidateType::Host,
+          mozilla::dom::RTCIceCandidateType::EndGuard_> {};
+
+template <>
+struct ParamTraits<mozilla::dom::RTCBundlePolicy>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::RTCBundlePolicy,
+          mozilla::dom::RTCBundlePolicy::Balanced,
+          mozilla::dom::RTCBundlePolicy::EndGuard_> {};
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCIceServerInternal, mUrls,
+                                  mCredentialProvided, mUserNameProvided);
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCConfigurationInternal,
+                                  mBundlePolicy, mCertificatesProvided,
+                                  mIceServers, mIceTransportPolicy,
+                                  mPeerIdentityProvided, mSdpSemantics);
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCSdpParsingErrorInternal,
+                                  mLineNumber, mError);
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCSdpHistoryEntryInternal,
+                                  mTimestamp, mIsLocal, mSdp, mErrors);
+
+template <>
+struct ParamTraits<mozilla::dom::RTCStatsCollection> {
+  static void Write(MessageWriter* aWriter,
+                    const mozilla::dom::RTCStatsCollection& aParam) {
+    mozilla::dom::ForAllRTCStatsCollectionMembers(
+        aParam,
+        [&](const auto&... aMember) { WriteParams(aWriter, aMember...); });
+  }
+
+  static bool Read(MessageReader* aReader,
+                   mozilla::dom::RTCStatsCollection* aResult) {
+    return mozilla::dom::ForAllRTCStatsCollectionMembers(
+        *aResult,
+        [&](auto&... aMember) { return ReadParams(aReader, aMember...); });
+  }
+};
+
+DEFINE_IPC_SERIALIZER_WITH_SUPER_CLASS_AND_FIELDS(
+    mozilla::dom::RTCStatsReportInternal, mozilla::dom::RTCStatsCollection,
+    mClosed, mSdpHistory, mPcid, mBrowserId, mTimestamp, mCallDurationMs,
+    mIceRestarts, mIceRollbacks, mOfferer, mConfiguration);
+
+typedef mozilla::dom::RTCStats RTCStats;
+
+static void WriteRTCStats(MessageWriter* aWriter, const RTCStats& aParam) {
+  // RTCStats base class
+  WriteParam(aWriter, aParam.mId);
+  WriteParam(aWriter, aParam.mTimestamp);
+  WriteParam(aWriter, aParam.mType);
+}
+
+static bool ReadRTCStats(MessageReader* aReader, RTCStats* aResult) {
+  // RTCStats base class
+  if (!ReadParam(aReader, &(aResult->mId)) ||
+      !ReadParam(aReader, &(aResult->mTimestamp)) ||
+      !ReadParam(aReader, &(aResult->mType))) {
+    return false;
+  }
+
+  return true;
+}
+
+template <>
+struct ParamTraits<mozilla::dom::RTCIceCandidatePairStats> {
+  typedef mozilla::dom::RTCIceCandidatePairStats paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mTransportId);
+    WriteParam(aWriter, aParam.mLocalCandidateId);
+    WriteParam(aWriter, aParam.mPriority);
+    WriteParam(aWriter, aParam.mNominated);
+    WriteParam(aWriter, aParam.mWritable);
+    WriteParam(aWriter, aParam.mReadable);
+    WriteParam(aWriter, aParam.mRemoteCandidateId);
+    WriteParam(aWriter, aParam.mSelected);
+    WriteParam(aWriter, aParam.mComponentId);
+    WriteParam(aWriter, aParam.mState);
+    WriteParam(aWriter, aParam.mBytesSent);
+    WriteParam(aWriter, aParam.mBytesReceived);
+    WriteParam(aWriter, aParam.mLastPacketSentTimestamp);
+    WriteParam(aWriter, aParam.mLastPacketReceivedTimestamp);
+    WriteRTCStats(aWriter, aParam);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    if (!ReadParam(aReader, &(aResult->mTransportId)) ||
+        !ReadParam(aReader, &(aResult->mLocalCandidateId)) ||
+        !ReadParam(aReader, &(aResult->mPriority)) ||
+        !ReadParam(aReader, &(aResult->mNominated)) ||
+        !ReadParam(aReader, &(aResult->mWritable)) ||
+        !ReadParam(aReader, &(aResult->mReadable)) ||
+        !ReadParam(aReader, &(aResult->mRemoteCandidateId)) ||
+        !ReadParam(aReader, &(aResult->mSelected)) ||
+        !ReadParam(aReader, &(aResult->mComponentId)) ||
+        !ReadParam(aReader, &(aResult->mState)) ||
+        !ReadParam(aReader, &(aResult->mBytesSent)) ||
+        !ReadParam(aReader, &(aResult->mBytesReceived)) ||
+        !ReadParam(aReader, &(aResult->mLastPacketSentTimestamp)) ||
+        !ReadParam(aReader, &(aResult->mLastPacketReceivedTimestamp)) ||
+        !ReadRTCStats(aReader, aResult)) {
+      return false;
+    }
+
+    return true;
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::dom::RTCIceCandidateStats> {
+  typedef mozilla::dom::RTCIceCandidateStats paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mCandidateType);
+    WriteParam(aWriter, aParam.mPriority);
+    WriteParam(aWriter, aParam.mTransportId);
+    WriteParam(aWriter, aParam.mAddress);
+    WriteParam(aWriter, aParam.mRelayProtocol);
+    WriteParam(aWriter, aParam.mPort);
+    WriteParam(aWriter, aParam.mProtocol);
+    WriteParam(aWriter, aParam.mProxied);
+    WriteRTCStats(aWriter, aParam);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    if (!ReadParam(aReader, &(aResult->mCandidateType)) ||
+        !ReadParam(aReader, &(aResult->mPriority)) ||
+        !ReadParam(aReader, &(aResult->mTransportId)) ||
+        !ReadParam(aReader, &(aResult->mAddress)) ||
+        !ReadParam(aReader, &(aResult->mRelayProtocol)) ||
+        !ReadParam(aReader, &(aResult->mPort)) ||
+        !ReadParam(aReader, &(aResult->mProtocol)) ||
+        !ReadParam(aReader, &(aResult->mProxied)) ||
+        !ReadRTCStats(aReader, aResult)) {
+      return false;
+    }
+
+    return true;
+  }
+};
+
+static void WriteRTCRtpStreamStats(
+    MessageWriter* aWriter, const mozilla::dom::RTCRtpStreamStats& aParam) {
+  WriteParam(aWriter, aParam.mSsrc);
+  WriteParam(aWriter, aParam.mMediaType);
+  WriteParam(aWriter, aParam.mKind);
+  WriteParam(aWriter, aParam.mTransportId);
+  WriteParam(aWriter, aParam.mCodecId);
+  WriteRTCStats(aWriter, aParam);
+}
+
+static bool ReadRTCRtpStreamStats(MessageReader* aReader,
+                                  mozilla::dom::RTCRtpStreamStats* aResult) {
+  return ReadParam(aReader, &(aResult->mSsrc)) &&
+         ReadParam(aReader, &(aResult->mMediaType)) &&
+         ReadParam(aReader, &(aResult->mKind)) &&
+         ReadParam(aReader, &(aResult->mTransportId)) &&
+         ReadParam(aReader, &(aResult->mCodecId)) &&
+         ReadRTCStats(aReader, aResult);
+}
+
+static void WriteRTCReceivedRtpStreamStats(
+    MessageWriter* aWriter,
+    const mozilla::dom::RTCReceivedRtpStreamStats& aParam) {
+  WriteParam(aWriter, aParam.mPacketsReceived);
+  WriteParam(aWriter, aParam.mPacketsLost);
+  WriteParam(aWriter, aParam.mJitter);
+  WriteParam(aWriter, aParam.mDiscardedPackets);
+  WriteParam(aWriter, aParam.mPacketsDiscarded);
+  WriteRTCRtpStreamStats(aWriter, aParam);
+}
+
+static bool ReadRTCReceivedRtpStreamStats(
+    MessageReader* aReader, mozilla::dom::RTCReceivedRtpStreamStats* aResult) {
+  return ReadParam(aReader, &(aResult->mPacketsReceived)) &&
+         ReadParam(aReader, &(aResult->mPacketsLost)) &&
+         ReadParam(aReader, &(aResult->mJitter)) &&
+         ReadParam(aReader, &(aResult->mDiscardedPackets)) &&
+         ReadParam(aReader, &(aResult->mPacketsDiscarded)) &&
+         ReadRTCRtpStreamStats(aReader, aResult);
+}
+
+template <>
+struct ParamTraits<mozilla::dom::RTCInboundRtpStreamStats> {
+  typedef mozilla::dom::RTCInboundRtpStreamStats paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mTrackIdentifier);
+    WriteParam(aWriter, aParam.mRemoteId);
+    WriteParam(aWriter, aParam.mFramesDecoded);
+    WriteParam(aWriter, aParam.mFramesDropped);
+    WriteParam(aWriter, aParam.mFrameWidth);
+    WriteParam(aWriter, aParam.mFrameHeight);
+    WriteParam(aWriter, aParam.mFramesPerSecond);
+    WriteParam(aWriter, aParam.mQpSum);
+    WriteParam(aWriter, aParam.mTotalDecodeTime);
+    WriteParam(aWriter, aParam.mTotalInterFrameDelay);
+    WriteParam(aWriter, aParam.mTotalSquaredInterFrameDelay);
+    WriteParam(aWriter, aParam.mLastPacketReceivedTimestamp);
+    WriteParam(aWriter, aParam.mHeaderBytesReceived);
+    WriteParam(aWriter, aParam.mFecPacketsReceived);
+    WriteParam(aWriter, aParam.mFecPacketsDiscarded);
+    WriteParam(aWriter, aParam.mBytesReceived);
+    WriteParam(aWriter, aParam.mNackCount);
+    WriteParam(aWriter, aParam.mFirCount);
+    WriteParam(aWriter, aParam.mPliCount);
+    WriteParam(aWriter, aParam.mTotalProcessingDelay);
+    // Always missing from libwebrtc stats
+    // WriteParam(aWriter, aParam.mEstimatedPlayoutTimestamp);
+    WriteParam(aWriter, aParam.mFramesReceived);
+    WriteParam(aWriter, aParam.mJitterBufferDelay);
+    WriteParam(aWriter, aParam.mJitterBufferEmittedCount);
+    WriteParam(aWriter, aParam.mTotalSamplesReceived);
+    WriteParam(aWriter, aParam.mConcealedSamples);
+    WriteParam(aWriter, aParam.mSilentConcealedSamples);
+    WriteParam(aWriter, aParam.mConcealmentEvents);
+    WriteParam(aWriter, aParam.mInsertedSamplesForDeceleration);
+    WriteParam(aWriter, aParam.mRemovedSamplesForAcceleration);
+    WriteParam(aWriter, aParam.mAudioLevel);
+    WriteParam(aWriter, aParam.mTotalAudioEnergy);
+    WriteParam(aWriter, aParam.mTotalSamplesDuration);
+    WriteRTCReceivedRtpStreamStats(aWriter, aParam);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    return ReadParam(aReader, &(aResult->mTrackIdentifier)) &&
+           ReadParam(aReader, &(aResult->mRemoteId)) &&
+           ReadParam(aReader, &(aResult->mFramesDecoded)) &&
+           ReadParam(aReader, &(aResult->mFramesDropped)) &&
+           ReadParam(aReader, &(aResult->mFrameWidth)) &&
+           ReadParam(aReader, &(aResult->mFrameHeight)) &&
+           ReadParam(aReader, &(aResult->mFramesPerSecond)) &&
+           ReadParam(aReader, &(aResult->mQpSum)) &&
+           ReadParam(aReader, &(aResult->mTotalDecodeTime)) &&
+           ReadParam(aReader, &(aResult->mTotalInterFrameDelay)) &&
+           ReadParam(aReader, &(aResult->mTotalSquaredInterFrameDelay)) &&
+           ReadParam(aReader, &(aResult->mLastPacketReceivedTimestamp)) &&
+           ReadParam(aReader, &(aResult->mHeaderBytesReceived)) &&
+           ReadParam(aReader, &(aResult->mFecPacketsReceived)) &&
+           ReadParam(aReader, &(aResult->mFecPacketsDiscarded)) &&
+           ReadParam(aReader, &(aResult->mBytesReceived)) &&
+           ReadParam(aReader, &(aResult->mNackCount)) &&
+           ReadParam(aReader, &(aResult->mFirCount)) &&
+           ReadParam(aReader, &(aResult->mPliCount)) &&
+           ReadParam(aReader, &(aResult->mTotalProcessingDelay)) &&
+           // Always missing from libwebrtc
+           // ReadParam(aReader, &(aResult->mEstimatedPlayoutTimestamp)) &&
+           ReadParam(aReader, &(aResult->mFramesReceived)) &&
+           ReadParam(aReader, &(aResult->mJitterBufferDelay)) &&
+           ReadParam(aReader, &(aResult->mJitterBufferEmittedCount)) &&
+           ReadParam(aReader, &(aResult->mTotalSamplesReceived)) &&
+           ReadParam(aReader, &(aResult->mConcealedSamples)) &&
+           ReadParam(aReader, &(aResult->mSilentConcealedSamples)) &&
+           ReadParam(aReader, &(aResult->mConcealmentEvents)) &&
+           ReadParam(aReader, &(aResult->mInsertedSamplesForDeceleration)) &&
+           ReadParam(aReader, &(aResult->mRemovedSamplesForAcceleration)) &&
+           ReadParam(aReader, &(aResult->mAudioLevel)) &&
+           ReadParam(aReader, &(aResult->mTotalAudioEnergy)) &&
+           ReadParam(aReader, &(aResult->mTotalSamplesDuration)) &&
+           ReadRTCReceivedRtpStreamStats(aReader, aResult);
+  }
+};
+
+static void WriteRTCSentRtpStreamStats(
+    MessageWriter* aWriter, const mozilla::dom::RTCSentRtpStreamStats& aParam) {
+  WriteParam(aWriter, aParam.mPacketsSent);
+  WriteParam(aWriter, aParam.mBytesSent);
+  WriteRTCRtpStreamStats(aWriter, aParam);
+}
+
+static bool ReadRTCSentRtpStreamStats(
+    MessageReader* aReader, mozilla::dom::RTCSentRtpStreamStats* aResult) {
+  return ReadParam(aReader, &(aResult->mPacketsSent)) &&
+         ReadParam(aReader, &(aResult->mBytesSent)) &&
+         ReadRTCRtpStreamStats(aReader, aResult);
+}
+
+template <>
+struct ParamTraits<mozilla::dom::RTCOutboundRtpStreamStats> {
+  typedef mozilla::dom::RTCOutboundRtpStreamStats paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mRemoteId);
+    WriteParam(aWriter, aParam.mFramesEncoded);
+    WriteParam(aWriter, aParam.mQpSum);
+    WriteParam(aWriter, aParam.mNackCount);
+    WriteParam(aWriter, aParam.mFirCount);
+    WriteParam(aWriter, aParam.mPliCount);
+    WriteParam(aWriter, aParam.mHeaderBytesSent);
+    WriteParam(aWriter, aParam.mRetransmittedPacketsSent);
+    WriteParam(aWriter, aParam.mRetransmittedBytesSent);
+    WriteParam(aWriter, aParam.mTotalEncodedBytesTarget);
+    WriteParam(aWriter, aParam.mFrameWidth);
+    WriteParam(aWriter, aParam.mFrameHeight);
+    WriteParam(aWriter, aParam.mFramesSent);
+    WriteParam(aWriter, aParam.mHugeFramesSent);
+    WriteParam(aWriter, aParam.mTotalEncodeTime);
+    WriteRTCSentRtpStreamStats(aWriter, aParam);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    return ReadParam(aReader, &(aResult->mRemoteId)) &&
+           ReadParam(aReader, &(aResult->mFramesEncoded)) &&
+           ReadParam(aReader, &(aResult->mQpSum)) &&
+           ReadParam(aReader, &(aResult->mNackCount)) &&
+           ReadParam(aReader, &(aResult->mFirCount)) &&
+           ReadParam(aReader, &(aResult->mPliCount)) &&
+           ReadParam(aReader, &(aResult->mHeaderBytesSent)) &&
+           ReadParam(aReader, &(aResult->mRetransmittedPacketsSent)) &&
+           ReadParam(aReader, &(aResult->mRetransmittedBytesSent)) &&
+           ReadParam(aReader, &(aResult->mTotalEncodedBytesTarget)) &&
+           ReadParam(aReader, &(aResult->mFrameWidth)) &&
+           ReadParam(aReader, &(aResult->mFrameHeight)) &&
+           ReadParam(aReader, &(aResult->mFramesSent)) &&
+           ReadParam(aReader, &(aResult->mHugeFramesSent)) &&
+           ReadParam(aReader, &(aResult->mTotalEncodeTime)) &&
+           ReadRTCSentRtpStreamStats(aReader, aResult);
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::dom::RTCRemoteInboundRtpStreamStats> {
+  typedef mozilla::dom::RTCRemoteInboundRtpStreamStats paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mLocalId);
+    WriteParam(aWriter, aParam.mRoundTripTime);
+    WriteParam(aWriter, aParam.mTotalRoundTripTime);
+    WriteParam(aWriter, aParam.mFractionLost);
+    WriteParam(aWriter, aParam.mRoundTripTimeMeasurements);
+    WriteRTCReceivedRtpStreamStats(aWriter, aParam);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    return ReadParam(aReader, &(aResult->mLocalId)) &&
+           ReadParam(aReader, &(aResult->mRoundTripTime)) &&
+           ReadParam(aReader, &(aResult->mTotalRoundTripTime)) &&
+           ReadParam(aReader, &(aResult->mFractionLost)) &&
+           ReadParam(aReader, &(aResult->mRoundTripTimeMeasurements)) &&
+           ReadRTCReceivedRtpStreamStats(aReader, aResult);
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::dom::RTCRemoteOutboundRtpStreamStats> {
+  typedef mozilla::dom::RTCRemoteOutboundRtpStreamStats paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mLocalId);
+    WriteParam(aWriter, aParam.mRemoteTimestamp);
+    WriteRTCSentRtpStreamStats(aWriter, aParam);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    return ReadParam(aReader, &(aResult->mLocalId)) &&
+           ReadParam(aReader, &(aResult->mRemoteTimestamp)) &&
+           ReadRTCSentRtpStreamStats(aReader, aResult);
+  }
+};
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCMediaSourceStats, mId,
+                                  mTimestamp, mType, mTrackIdentifier, mKind);
+
+template <>
+struct ParamTraits<mozilla::dom::RTCRTPContributingSourceStats> {
+  typedef mozilla::dom::RTCRTPContributingSourceStats paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mContributorSsrc);
+    WriteParam(aWriter, aParam.mInboundRtpStreamId);
+    WriteRTCStats(aWriter, aParam);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    if (!ReadParam(aReader, &(aResult->mContributorSsrc)) ||
+        !ReadParam(aReader, &(aResult->mInboundRtpStreamId)) ||
+        !ReadRTCStats(aReader, aResult)) {
+      return false;
+    }
+    return true;
+  }
+};
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCPeerConnectionStats, mId,
+                                  mTimestamp, mType, mDataChannelsOpened,
+                                  mDataChannelsClosed);
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(
+    mozilla::dom::RTCVideoFrameHistoryEntryInternal, mWidth, mHeight,
+    mRotationAngle, mFirstFrameTimestamp, mLastFrameTimestamp,
+    mConsecutiveFrames, mLocalSsrc, mRemoteSsrc);
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCVideoFrameHistoryInternal,
+                                  mTrackIdentifier, mEntries);
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCBandwidthEstimationInternal,
+                                  mTrackIdentifier, mSendBandwidthBps,
+                                  mMaxPaddingBps, mReceiveBandwidthBps,
+                                  mPacerDelayMs, mRttMs);
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCDataChannelStats, mId,
+                                  mTimestamp, mType, mLabel, mProtocol,
+                                  mDataChannelIdentifier, mState, mMessagesSent,
+                                  mBytesSent, mMessagesReceived, mBytesReceived)
+
+template <>
+struct ParamTraits<mozilla::dom::RTCDataChannelState>
+    : public ContiguousEnumSerializer<
+          mozilla::dom::RTCDataChannelState,
+          mozilla::dom::RTCDataChannelState::Connecting,
+          mozilla::dom::RTCDataChannelState::EndGuard_> {};
+
+DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::RTCCodecStats, mTimestamp,
+                                  mType, mId, mPayloadType, mCodecType,
+                                  mTransportId, mMimeType, mClockRate,
+                                  mChannels, mSdpFmtpLine)
+
+template <>
+struct ParamTraits<mozilla::dom::RTCCodecType>
+    : public ContiguousEnumSerializer<mozilla::dom::RTCCodecType,
+                                      mozilla::dom::RTCCodecType::Encode,
+                                      mozilla::dom::RTCCodecType::EndGuard_> {};
+}  // namespace IPC
+
+#endif  // _WEBRTC_GLOBAL_H_