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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WidevineFileIO.h"
#include "GMPLog.h"
#include "WidevineUtils.h"
#include "gmp-api/gmp-platform.h"
// Declared in ChromiumCDMAdapter.cpp.
extern const GMPPlatformAPI* sPlatform;
namespace mozilla {
void WidevineFileIO::Open(const char* aFilename, uint32_t aFilenameLength) {
mName = std::string(aFilename, aFilename + aFilenameLength);
GMPRecord* record = nullptr;
GMPErr err = sPlatform->createrecord(aFilename, aFilenameLength, &record,
static_cast<GMPRecordClient*>(this));
if (GMP_FAILED(err)) {
GMP_LOG_DEBUG("WidevineFileIO::Open() '%s' GMPCreateRecord failed",
mName.c_str());
mClient->OnOpenComplete(cdm::FileIOClient::Status::kError);
return;
}
if (GMP_FAILED(record->Open())) {
GMP_LOG_DEBUG("WidevineFileIO::Open() '%s' record open failed",
mName.c_str());
mClient->OnOpenComplete(cdm::FileIOClient::Status::kError);
return;
}
GMP_LOG_DEBUG("WidevineFileIO::Open() '%s'", mName.c_str());
mRecord = record;
}
void WidevineFileIO::Read() {
if (!mRecord) {
GMP_LOG_DEBUG("WidevineFileIO::Read() '%s' used uninitialized!",
mName.c_str());
mClient->OnReadComplete(cdm::FileIOClient::Status::kError, nullptr, 0);
return;
}
GMP_LOG_DEBUG("WidevineFileIO::Read() '%s'", mName.c_str());
mRecord->Read();
}
void WidevineFileIO::Write(const uint8_t* aData, uint32_t aDataSize) {
if (!mRecord) {
GMP_LOG_DEBUG("WidevineFileIO::Write() '%s' used uninitialized!",
mName.c_str());
mClient->OnWriteComplete(cdm::FileIOClient::Status::kError);
return;
}
mRecord->Write(aData, aDataSize);
}
void WidevineFileIO::Close() {
GMP_LOG_DEBUG("WidevineFileIO::Close() '%s'", mName.c_str());
if (mRecord) {
mRecord->Close();
mRecord = nullptr;
}
delete this;
}
static cdm::FileIOClient::Status GMPToWidevineFileStatus(GMPErr aStatus) {
switch (aStatus) {
case GMPRecordInUse:
return cdm::FileIOClient::Status::kInUse;
case GMPNoErr:
return cdm::FileIOClient::Status::kSuccess;
default:
return cdm::FileIOClient::Status::kError;
}
}
void WidevineFileIO::OpenComplete(GMPErr aStatus) {
GMP_LOG_DEBUG("WidevineFileIO::OpenComplete() '%s' status=%d", mName.c_str(),
aStatus);
mClient->OnOpenComplete(GMPToWidevineFileStatus(aStatus));
}
void WidevineFileIO::ReadComplete(GMPErr aStatus, const uint8_t* aData,
uint32_t aDataSize) {
GMP_LOG_DEBUG("WidevineFileIO::OnReadComplete() '%s' status=%d",
mName.c_str(), aStatus);
mClient->OnReadComplete(GMPToWidevineFileStatus(aStatus), aData, aDataSize);
}
void WidevineFileIO::WriteComplete(GMPErr aStatus) {
GMP_LOG_DEBUG("WidevineFileIO::WriteComplete() '%s' status=%d", mName.c_str(),
aStatus);
mClient->OnWriteComplete(GMPToWidevineFileStatus(aStatus));
}
} // namespace mozilla