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/* -*- Mode: C++; tab-width: 2; 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/. */
#ifndef GMPMessageUtils_h_
#define GMPMessageUtils_h_
#include "gmp-video-codec.h"
#include "gmp-video-frame-encoded.h"
#include "ipc/EnumSerializer.h"
#include "ipc/IPCMessageUtilsSpecializations.h"
#include "GMPSanitizedExports.h"
namespace IPC {
template <>
struct ParamTraits<GMPErr>
: public ContiguousEnumSerializer<GMPErr, GMPNoErr, GMPLastErr> {};
template <>
struct ParamTraits<GMPVideoFrameType>
: public ContiguousEnumSerializer<GMPVideoFrameType, kGMPKeyFrame,
kGMPVideoFrameInvalid> {};
template <>
struct ParamTraits<GMPVideoCodecComplexity>
: public ContiguousEnumSerializer<GMPVideoCodecComplexity,
kGMPComplexityNormal,
kGMPComplexityInvalid> {};
template <>
struct ParamTraits<GMPVP8ResilienceMode>
: public ContiguousEnumSerializer<GMPVP8ResilienceMode, kResilienceOff,
kResilienceInvalid> {};
template <>
struct ParamTraits<GMPVideoCodecType>
: public ContiguousEnumSerializer<GMPVideoCodecType, kGMPVideoCodecVP8,
kGMPVideoCodecInvalid> {};
template <>
struct ParamTraits<GMPVideoCodecMode>
: public ContiguousEnumSerializer<GMPVideoCodecMode, kGMPRealtimeVideo,
kGMPCodecModeInvalid> {};
template <>
struct ParamTraits<GMPBufferType>
: public ContiguousEnumSerializer<GMPBufferType, GMP_BufferSingle,
GMP_BufferInvalid> {};
template <>
struct ParamTraits<cdm::EncryptionScheme>
: public ContiguousEnumSerializerInclusive<
cdm::EncryptionScheme, cdm::EncryptionScheme::kUnencrypted,
cdm::EncryptionScheme::kCbcs> {};
template <>
struct ParamTraits<cdm::HdcpVersion>
: public ContiguousEnumSerializerInclusive<
cdm::HdcpVersion, cdm::HdcpVersion::kHdcpVersionNone,
cdm::HdcpVersion::kHdcpVersion2_2> {};
template <>
struct ParamTraits<GMPSimulcastStream> {
typedef GMPSimulcastStream paramType;
static void Write(Message* aMsg, const paramType& aParam) {
WriteParam(aMsg, aParam.mWidth);
WriteParam(aMsg, aParam.mHeight);
WriteParam(aMsg, aParam.mNumberOfTemporalLayers);
WriteParam(aMsg, aParam.mMaxBitrate);
WriteParam(aMsg, aParam.mTargetBitrate);
WriteParam(aMsg, aParam.mMinBitrate);
WriteParam(aMsg, aParam.mQPMax);
}
static bool Read(const Message* aMsg, PickleIterator* aIter,
paramType* aResult) {
if (ReadParam(aMsg, aIter, &(aResult->mWidth)) &&
ReadParam(aMsg, aIter, &(aResult->mHeight)) &&
ReadParam(aMsg, aIter, &(aResult->mNumberOfTemporalLayers)) &&
ReadParam(aMsg, aIter, &(aResult->mMaxBitrate)) &&
ReadParam(aMsg, aIter, &(aResult->mTargetBitrate)) &&
ReadParam(aMsg, aIter, &(aResult->mMinBitrate)) &&
ReadParam(aMsg, aIter, &(aResult->mQPMax))) {
return true;
}
return false;
}
static void Log(const paramType& aParam, std::wstring* aLog) {
aLog->append(StringPrintf(L"[%u, %u, %u, %u, %u, %u, %u]", aParam.mWidth,
aParam.mHeight, aParam.mNumberOfTemporalLayers,
aParam.mMaxBitrate, aParam.mTargetBitrate,
aParam.mMinBitrate, aParam.mQPMax));
}
};
template <>
struct ParamTraits<GMPVideoCodec> {
typedef GMPVideoCodec paramType;
static void Write(Message* aMsg, const paramType& aParam) {
WriteParam(aMsg, aParam.mGMPApiVersion);
WriteParam(aMsg, aParam.mCodecType);
WriteParam(aMsg, static_cast<const nsCString&>(
nsDependentCString(aParam.mPLName)));
WriteParam(aMsg, aParam.mPLType);
WriteParam(aMsg, aParam.mWidth);
WriteParam(aMsg, aParam.mHeight);
WriteParam(aMsg, aParam.mStartBitrate);
WriteParam(aMsg, aParam.mMaxBitrate);
WriteParam(aMsg, aParam.mMinBitrate);
WriteParam(aMsg, aParam.mMaxFramerate);
WriteParam(aMsg, aParam.mFrameDroppingOn);
WriteParam(aMsg, aParam.mKeyFrameInterval);
WriteParam(aMsg, aParam.mQPMax);
WriteParam(aMsg, aParam.mNumberOfSimulcastStreams);
for (uint32_t i = 0; i < aParam.mNumberOfSimulcastStreams; i++) {
WriteParam(aMsg, aParam.mSimulcastStream[i]);
}
WriteParam(aMsg, aParam.mMode);
}
static bool Read(const Message* aMsg, PickleIterator* aIter,
paramType* aResult) {
// NOTE: make sure this matches any versions supported
if (!ReadParam(aMsg, aIter, &(aResult->mGMPApiVersion)) ||
aResult->mGMPApiVersion != kGMPVersion33) {
return false;
}
if (!ReadParam(aMsg, aIter, &(aResult->mCodecType))) {
return false;
}
nsAutoCString plName;
if (!ReadParam(aMsg, aIter, &plName) ||
plName.Length() > kGMPPayloadNameSize - 1) {
return false;
}
memcpy(aResult->mPLName, plName.get(), plName.Length());
memset(aResult->mPLName + plName.Length(), 0,
kGMPPayloadNameSize - plName.Length());
if (!ReadParam(aMsg, aIter, &(aResult->mPLType)) ||
!ReadParam(aMsg, aIter, &(aResult->mWidth)) ||
!ReadParam(aMsg, aIter, &(aResult->mHeight)) ||
!ReadParam(aMsg, aIter, &(aResult->mStartBitrate)) ||
!ReadParam(aMsg, aIter, &(aResult->mMaxBitrate)) ||
!ReadParam(aMsg, aIter, &(aResult->mMinBitrate)) ||
!ReadParam(aMsg, aIter, &(aResult->mMaxFramerate)) ||
!ReadParam(aMsg, aIter, &(aResult->mFrameDroppingOn)) ||
!ReadParam(aMsg, aIter, &(aResult->mKeyFrameInterval))) {
return false;
}
if (!ReadParam(aMsg, aIter, &(aResult->mQPMax)) ||
!ReadParam(aMsg, aIter, &(aResult->mNumberOfSimulcastStreams))) {
return false;
}
if (aResult->mNumberOfSimulcastStreams > kGMPMaxSimulcastStreams) {
return false;
}
for (uint32_t i = 0; i < aResult->mNumberOfSimulcastStreams; i++) {
if (!ReadParam(aMsg, aIter, &(aResult->mSimulcastStream[i]))) {
return false;
}
}
if (!ReadParam(aMsg, aIter, &(aResult->mMode))) {
return false;
}
return true;
}
static void Log(const paramType& aParam, std::wstring* aLog) {
const char* codecName = nullptr;
if (aParam.mCodecType == kGMPVideoCodecVP8) {
codecName = "VP8";
}
aLog->append(StringPrintf(L"[%s, %u, %u]", codecName, aParam.mWidth,
aParam.mHeight));
}
};
} // namespace IPC
#endif // GMPMessageUtils_h_