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/* -*- 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
#ifndef mozilla_dom_media_MediaIPCUtils_h
#define mozilla_dom_media_MediaIPCUtils_h
#include <type_traits>
#include "DecoderDoctorDiagnostics.h"
#include "EncoderConfig.h"
#include "PerformanceRecorder.h"
#include "PlatformDecoderModule.h"
#include "PlatformEncoderModule.h"
#include "ipc/EnumSerializer.h"
#include "mozilla/EnumSet.h"
#include "mozilla/GfxMessageUtils.h"
#include "mozilla/Maybe.h"
#include "mozilla/ParamTraits_TiedFields.h"
#include "mozilla/gfx/Rect.h"
#include "mozilla/dom/MFCDMSerializers.h"
namespace IPC {
template <>
struct ParamTraits<mozilla::VideoInfo> {
typedef mozilla::VideoInfo paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
// TrackInfo
WriteParam(aWriter, aParam.mMimeType);
// VideoInfo
WriteParam(aWriter, aParam.mDisplay);
WriteParam(aWriter, aParam.mStereoMode);
WriteParam(aWriter, aParam.mImage);
WriteParam(aWriter, aParam.mImageRect);
WriteParam(aWriter, *aParam.mCodecSpecificConfig);
WriteParam(aWriter, *aParam.mExtraData);
WriteParam(aWriter, aParam.mRotation);
WriteParam(aWriter, aParam.mColorDepth);
WriteParam(aWriter, aParam.mColorSpace);
WriteParam(aWriter, aParam.mColorPrimaries);
WriteParam(aWriter, aParam.mTransferFunction);
WriteParam(aWriter, aParam.mColorRange);
WriteParam(aWriter, aParam.HasAlpha());
WriteParam(aWriter, aParam.mCrypto);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
mozilla::gfx::IntRect imageRect;
bool alphaPresent;
if (ReadParam(aReader, &aResult->mMimeType) &&
ReadParam(aReader, &aResult->mDisplay) &&
ReadParam(aReader, &aResult->mStereoMode) &&
ReadParam(aReader, &aResult->mImage) &&
ReadParam(aReader, &aResult->mImageRect) &&
ReadParam(aReader, aResult->mCodecSpecificConfig.get()) &&
ReadParam(aReader, aResult->mExtraData.get()) &&
ReadParam(aReader, &aResult->mRotation) &&
ReadParam(aReader, &aResult->mColorDepth) &&
ReadParam(aReader, &aResult->mColorSpace) &&
ReadParam(aReader, &aResult->mColorPrimaries) &&
ReadParam(aReader, &aResult->mTransferFunction) &&
ReadParam(aReader, &aResult->mColorRange) &&
ReadParam(aReader, &alphaPresent) &&
ReadParam(aReader, &aResult->mCrypto)) {
aResult->SetAlpha(alphaPresent);
return true;
}
return false;
}
};
template <>
struct ParamTraits<mozilla::TrackInfo::TrackType>
: public ContiguousEnumSerializerInclusive<
mozilla::TrackInfo::TrackType,
mozilla::TrackInfo::TrackType::kUndefinedTrack,
mozilla::TrackInfo::TrackType::kTextTrack> {};
template <>
struct ParamTraits<mozilla::VideoRotation>
: public ContiguousEnumSerializerInclusive<
mozilla::VideoRotation, mozilla::VideoRotation::kDegree_0,
mozilla::VideoRotation::kDegree_270> {};
template <>
struct ParamTraits<mozilla::MediaByteBuffer>
: public ParamTraits<nsTArray<uint8_t>> {
typedef mozilla::MediaByteBuffer paramType;
};
// Traits for AudioCodecSpecificVariant types.
template <>
struct ParamTraits<mozilla::NoCodecSpecificData>
: public EmptyStructSerializer<mozilla::NoCodecSpecificData> {};
template <>
struct ParamTraits<mozilla::AudioCodecSpecificBinaryBlob> {
using paramType = mozilla::AudioCodecSpecificBinaryBlob;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, *aParam.mBinaryBlob);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, aResult->mBinaryBlob.get());
}
};
template <>
struct ParamTraits<mozilla::AacCodecSpecificData> {
using paramType = mozilla::AacCodecSpecificData;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, *aParam.mEsDescriptorBinaryBlob);
WriteParam(aWriter, *aParam.mDecoderConfigDescriptorBinaryBlob);
WriteParam(aWriter, aParam.mEncoderDelayFrames);
WriteParam(aWriter, aParam.mMediaFrameCount);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, aResult->mEsDescriptorBinaryBlob.get()) &&
ReadParam(aReader,
aResult->mDecoderConfigDescriptorBinaryBlob.get()) &&
ReadParam(aReader, &aResult->mEncoderDelayFrames) &&
ReadParam(aReader, &aResult->mMediaFrameCount);
}
};
template <>
struct ParamTraits<mozilla::FlacCodecSpecificData> {
using paramType = mozilla::FlacCodecSpecificData;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, *aParam.mStreamInfoBinaryBlob);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, aResult->mStreamInfoBinaryBlob.get());
}
};
template <>
struct ParamTraits<mozilla::Mp3CodecSpecificData>
: public ParamTraits_TiedFields<mozilla::Mp3CodecSpecificData> {};
template <>
struct ParamTraits<mozilla::OpusCodecSpecificData> {
using paramType = mozilla::OpusCodecSpecificData;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mContainerCodecDelayFrames);
WriteParam(aWriter, *aParam.mHeadersBinaryBlob);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mContainerCodecDelayFrames) &&
ReadParam(aReader, aResult->mHeadersBinaryBlob.get());
}
};
template <>
struct ParamTraits<mozilla::VorbisCodecSpecificData> {
using paramType = mozilla::VorbisCodecSpecificData;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, *aParam.mHeadersBinaryBlob);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, aResult->mHeadersBinaryBlob.get());
}
};
template <>
struct ParamTraits<mozilla::WaveCodecSpecificData>
: public EmptyStructSerializer<mozilla::WaveCodecSpecificData> {};
// End traits for AudioCodecSpecificVariant types.
template <>
struct ParamTraits<mozilla::AudioInfo> {
typedef mozilla::AudioInfo paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
// TrackInfo
WriteParam(aWriter, aParam.mMimeType);
// AudioInfo
WriteParam(aWriter, aParam.mRate);
WriteParam(aWriter, aParam.mChannels);
WriteParam(aWriter, aParam.mChannelMap);
WriteParam(aWriter, aParam.mBitDepth);
WriteParam(aWriter, aParam.mProfile);
WriteParam(aWriter, aParam.mExtendedProfile);
WriteParam(aWriter, aParam.mCodecSpecificConfig);
WriteParam(aWriter, aParam.mCrypto);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
if (ReadParam(aReader, &aResult->mMimeType) &&
ReadParam(aReader, &aResult->mRate) &&
ReadParam(aReader, &aResult->mChannels) &&
ReadParam(aReader, &aResult->mChannelMap) &&
ReadParam(aReader, &aResult->mBitDepth) &&
ReadParam(aReader, &aResult->mProfile) &&
ReadParam(aReader, &aResult->mExtendedProfile) &&
ReadParam(aReader, &aResult->mCodecSpecificConfig) &&
ReadParam(aReader, &aResult->mCrypto)) {
return true;
}
return false;
}
};
template <>
struct ParamTraits<mozilla::MediaDataDecoder::ConversionRequired>
: public ContiguousEnumSerializerInclusive<
mozilla::MediaDataDecoder::ConversionRequired,
mozilla::MediaDataDecoder::ConversionRequired(0),
mozilla::MediaDataDecoder::ConversionRequired(
mozilla::MediaDataDecoder::ConversionRequired::kNeedHVCC)> {};
template <>
struct ParamTraits<mozilla::media::TimeUnit> {
using paramType = mozilla::media::TimeUnit;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.IsValid());
WriteParam(aWriter, aParam.IsValid() ? aParam.mTicks.value() : 0);
WriteParam(aWriter,
aParam.IsValid() ? aParam.mBase : 1); // base can't be 0
}
static bool Read(MessageReader* aReader, paramType* aResult) {
bool valid;
int64_t ticks;
int64_t base;
if (ReadParam(aReader, &valid) && ReadParam(aReader, &ticks) &&
ReadParam(aReader, &base)) {
if (valid) {
*aResult = mozilla::media::TimeUnit(ticks, base);
} else {
*aResult = mozilla::media::TimeUnit::Invalid();
}
return true;
}
return false;
};
};
template <>
struct ParamTraits<mozilla::media::TimeInterval> {
typedef mozilla::media::TimeInterval paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mStart);
WriteParam(aWriter, aParam.mEnd);
WriteParam(aWriter, aParam.mFuzz);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
if (ReadParam(aReader, &aResult->mStart) &&
ReadParam(aReader, &aResult->mEnd) &&
ReadParam(aReader, &aResult->mFuzz)) {
return true;
}
return false;
}
};
template <>
struct ParamTraits<mozilla::MediaResult> {
typedef mozilla::MediaResult paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.Code());
WriteParam(aWriter, aParam.Message());
WriteParam(aWriter, aParam.GetPlatformErrorCode());
}
static bool Read(MessageReader* aReader, paramType* aResult) {
nsresult result;
nsCString message;
mozilla::Maybe<int32_t> platformErrorCode;
if (ReadParam(aReader, &result) && ReadParam(aReader, &message) &&
ReadParam(aReader, &platformErrorCode)) {
*aResult = paramType(result, std::move(message), platformErrorCode);
return true;
}
return false;
};
};
template <>
struct ParamTraits<mozilla::DecoderDoctorDiagnostics> {
typedef mozilla::DecoderDoctorDiagnostics paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mDiagnosticsType);
WriteParam(aWriter, aParam.mFormat);
WriteParam(aWriter, aParam.mFlags);
WriteParam(aWriter, aParam.mEvent);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
if (ReadParam(aReader, &aResult->mDiagnosticsType) &&
ReadParam(aReader, &aResult->mFormat) &&
ReadParam(aReader, &aResult->mFlags) &&
ReadParam(aReader, &aResult->mEvent)) {
return true;
}
return false;
};
};
template <>
struct ParamTraits<mozilla::DecoderDoctorDiagnostics::DiagnosticsType>
: public ContiguousEnumSerializerInclusive<
mozilla::DecoderDoctorDiagnostics::DiagnosticsType,
mozilla::DecoderDoctorDiagnostics::DiagnosticsType::eUnsaved,
mozilla::DecoderDoctorDiagnostics::DiagnosticsType::eDecodeWarning> {
};
template <>
struct ParamTraits<mozilla::DecoderDoctorEvent> {
typedef mozilla::DecoderDoctorEvent paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
int domain = aParam.mDomain;
WriteParam(aWriter, domain);
WriteParam(aWriter, aParam.mResult);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
int domain = 0;
if (ReadParam(aReader, &domain) && ReadParam(aReader, &aResult->mResult)) {
aResult->mDomain = paramType::Domain(domain);
return true;
}
return false;
};
};
template <>
struct ParamTraits<mozilla::TrackingId::Source>
: public ContiguousEnumSerializer<
mozilla::TrackingId::Source,
mozilla::TrackingId::Source::Unimplemented,
mozilla::TrackingId::Source::LAST> {};
template <>
struct ParamTraits<mozilla::TrackingId> {
typedef mozilla::TrackingId paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mSource);
WriteParam(aWriter, aParam.mProcId);
WriteParam(aWriter, aParam.mUniqueInProcId);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mSource) &&
ReadParam(aReader, &aResult->mProcId) &&
ReadParam(aReader, &aResult->mUniqueInProcId);
}
};
template <>
struct ParamTraits<mozilla::CryptoTrack> {
typedef mozilla::CryptoTrack paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mCryptoScheme);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mCryptoScheme);
}
};
template <>
struct ParamTraits<mozilla::dom::ImageBitmapFormat>
: public ContiguousEnumSerializerInclusive<
mozilla::dom::ImageBitmapFormat,
mozilla::dom::ImageBitmapFormat::RGBA32,
mozilla::dom::ImageBitmapFormat::DEPTH> {};
template <>
struct ParamTraits<mozilla::CodecType>
: public ContiguousEnumSerializerInclusive<mozilla::CodecType,
mozilla::CodecType::_BeginVideo_,
mozilla::CodecType::Unknown> {};
template <>
struct ParamTraits<mozilla::BitrateMode>
: public ContiguousEnumSerializerInclusive<mozilla::BitrateMode,
mozilla::BitrateMode::Constant,
mozilla::BitrateMode::Variable> {
};
template <>
struct ParamTraits<mozilla::ScalabilityMode>
: public ContiguousEnumSerializerInclusive<mozilla::ScalabilityMode,
mozilla::ScalabilityMode::None,
mozilla::ScalabilityMode::L1T3> {
};
template <>
struct ParamTraits<mozilla::H264BitStreamFormat>
: public ContiguousEnumSerializerInclusive<
mozilla::H264BitStreamFormat, mozilla::H264BitStreamFormat::AVC,
mozilla::H264BitStreamFormat::ANNEXB> {};
template <>
struct ParamTraits<mozilla::HardwarePreference>
: public ContiguousEnumSerializerInclusive<
mozilla::HardwarePreference,
mozilla::HardwarePreference::RequireHardware,
mozilla::HardwarePreference::None> {};
template <>
struct ParamTraits<mozilla::Usage>
: public ContiguousEnumSerializerInclusive<
mozilla::Usage, mozilla::Usage::Realtime, mozilla::Usage::Record> {};
template <>
struct ParamTraits<mozilla::H264_PROFILE>
: public ContiguousEnumSerializerInclusive<
mozilla::H264_PROFILE, mozilla::H264_PROFILE::H264_PROFILE_UNKNOWN,
mozilla::H264_PROFILE::H264_PROFILE_HIGH> {};
template <>
struct ParamTraits<mozilla::H264_LEVEL>
: public ContiguousEnumSerializerInclusive<
mozilla::H264_LEVEL, mozilla::H264_LEVEL::H264_LEVEL_1,
mozilla::H264_LEVEL::H264_LEVEL_6_2> {};
template <>
struct ParamTraits<mozilla::OpusBitstreamFormat>
: public ContiguousEnumSerializerInclusive<
mozilla::OpusBitstreamFormat, mozilla::OpusBitstreamFormat::Opus,
mozilla::OpusBitstreamFormat::OGG> {};
template <>
struct ParamTraits<mozilla::OpusSpecific::Application>
: public ContiguousEnumSerializerInclusive<
mozilla::OpusSpecific::Application,
mozilla::OpusSpecific::Application::Unspecified,
mozilla::OpusSpecific::Application::RestricedLowDelay> {};
template <>
struct ParamTraits<mozilla::VPXComplexity>
: public ContiguousEnumSerializerInclusive<mozilla::VPXComplexity,
mozilla::VPXComplexity::Normal,
mozilla::VPXComplexity::Max> {};
template <>
struct ParamTraits<struct mozilla::H264Specific> {
typedef mozilla::H264Specific paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mProfile);
WriteParam(aWriter, aParam.mLevel);
WriteParam(aWriter, aParam.mFormat);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mProfile) &&
ReadParam(aReader, &aResult->mLevel) &&
ReadParam(aReader, &aResult->mFormat);
}
};
template <>
struct ParamTraits<struct mozilla::OpusSpecific> {
typedef mozilla::OpusSpecific paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mApplication);
WriteParam(aWriter, aParam.mFrameDuration);
WriteParam(aWriter, aParam.mComplexity);
WriteParam(aWriter, aParam.mFormat);
WriteParam(aWriter, aParam.mPacketLossPerc);
WriteParam(aWriter, aParam.mUseInBandFEC);
WriteParam(aWriter, aParam.mUseDTX);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mApplication) &&
ReadParam(aReader, &aResult->mFrameDuration) &&
ReadParam(aReader, &aResult->mComplexity) &&
ReadParam(aReader, &aResult->mFormat) &&
ReadParam(aReader, &aResult->mPacketLossPerc) &&
ReadParam(aReader, &aResult->mUseInBandFEC) &&
ReadParam(aReader, &aResult->mUseDTX);
}
};
template <>
struct ParamTraits<struct mozilla::VP8Specific> {
typedef mozilla::VP8Specific paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mComplexity);
WriteParam(aWriter, aParam.mResilience);
WriteParam(aWriter, aParam.mNumTemporalLayers);
WriteParam(aWriter, aParam.mDenoising);
WriteParam(aWriter, aParam.mAutoResize);
WriteParam(aWriter, aParam.mFrameDropping);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mComplexity) &&
ReadParam(aReader, &aResult->mResilience) &&
ReadParam(aReader, &aResult->mNumTemporalLayers) &&
ReadParam(aReader, &aResult->mDenoising) &&
ReadParam(aReader, &aResult->mAutoResize) &&
ReadParam(aReader, &aResult->mFrameDropping);
}
};
template <>
struct ParamTraits<struct mozilla::VP9Specific> {
typedef mozilla::VP9Specific paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
ParamTraits<mozilla::VP8Specific>::Write(aWriter, aParam);
WriteParam(aWriter, aParam.mAdaptiveQp);
WriteParam(aWriter, aParam.mNumSpatialLayers);
WriteParam(aWriter, aParam.mFlexible);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ParamTraits<mozilla::VP8Specific>::Read(aReader, aResult) &&
ReadParam(aReader, &aResult->mAdaptiveQp) &&
ReadParam(aReader, &aResult->mNumSpatialLayers) &&
ReadParam(aReader, &aResult->mFlexible);
}
};
template <>
struct ParamTraits<struct mozilla::EncoderConfig::VideoColorSpace> {
typedef mozilla::EncoderConfig::VideoColorSpace paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mRange);
WriteParam(aWriter, aParam.mMatrix);
WriteParam(aWriter, aParam.mPrimaries);
WriteParam(aWriter, aParam.mTransferFunction);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mRange) &&
ReadParam(aReader, &aResult->mMatrix) &&
ReadParam(aReader, &aResult->mPrimaries) &&
ReadParam(aReader, &aResult->mTransferFunction);
}
};
template <>
struct ParamTraits<struct mozilla::EncoderConfig::SampleFormat> {
typedef mozilla::EncoderConfig::SampleFormat paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mPixelFormat);
WriteParam(aWriter, aParam.mColorSpace);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mPixelFormat) &&
ReadParam(aReader, &aResult->mColorSpace);
}
};
template <>
struct ParamTraits<mozilla::EncoderConfig> {
typedef mozilla::EncoderConfig paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mCodec);
WriteParam(aWriter, aParam.mSize);
WriteParam(aWriter, aParam.mBitrateMode);
WriteParam(aWriter, aParam.mBitrate);
WriteParam(aWriter, aParam.mMinBitrate);
WriteParam(aWriter, aParam.mMaxBitrate);
WriteParam(aWriter, aParam.mUsage);
WriteParam(aWriter, aParam.mHardwarePreference);
WriteParam(aWriter, aParam.mFormat);
WriteParam(aWriter, aParam.mScalabilityMode);
WriteParam(aWriter, aParam.mFramerate);
WriteParam(aWriter, aParam.mKeyframeInterval);
WriteParam(aWriter, aParam.mNumberOfChannels);
WriteParam(aWriter, aParam.mSampleRate);
WriteParam(aWriter, aParam.mCodecSpecific);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mCodec) &&
ReadParam(aReader, &aResult->mSize) &&
ReadParam(aReader, &aResult->mBitrateMode) &&
ReadParam(aReader, &aResult->mBitrate) &&
ReadParam(aReader, &aResult->mMinBitrate) &&
ReadParam(aReader, &aResult->mMaxBitrate) &&
ReadParam(aReader, &aResult->mUsage) &&
ReadParam(aReader, &aResult->mHardwarePreference) &&
ReadParam(aReader, &aResult->mFormat) &&
ReadParam(aReader, &aResult->mScalabilityMode) &&
ReadParam(aReader, &aResult->mFramerate) &&
ReadParam(aReader, &aResult->mKeyframeInterval) &&
ReadParam(aReader, &aResult->mNumberOfChannels) &&
ReadParam(aReader, &aResult->mSampleRate) &&
ReadParam(aReader, &aResult->mCodecSpecific);
}
};
template <typename T, typename Phantom>
struct ParamTraits<struct mozilla::StrongTypedef<T, Phantom>> {
typedef mozilla::StrongTypedef<T, Phantom> paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mValue);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mValue);
}
};
// [RefCounted] typed
template <>
struct ParamTraits<mozilla::EncoderConfigurationChangeList*> {
typedef mozilla::EncoderConfigurationChangeList paramType;
static void Write(MessageWriter* aWriter, const paramType* aParam) {
WriteParam(aWriter, aParam->mChanges);
}
static bool Read(MessageReader* aReader, RefPtr<paramType>* aResult) {
auto result = mozilla::MakeRefPtr<paramType>();
if (!ReadParam(aReader, &result->mChanges)) {
return false;
}
*aResult = std::move(result);
return true;
}
};
} // namespace IPC
#endif // mozilla_dom_media_MediaIPCUtils_h