Files
tubestation/ipc/glue/UtilityAudioDecoderParent.cpp

87 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 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 "UtilityAudioDecoderParent.h"
#include "GeckoProfiler.h"
#include "nsDebugImpl.h"
#include "mozilla/RemoteDecoderManagerParent.h"
#if defined(XP_WIN) && defined(MOZ_SANDBOX)
# include "WMF.h"
# include "WMFDecoderModule.h"
# include "WMFUtils.h"
# include "mozilla/sandboxTarget.h"
#endif // defined(XP_WIN) && defined(MOZ_SANDBOX)
#ifdef MOZ_WIDGET_ANDROID
# include "mozilla/StaticPrefs_media.h"
# include "AndroidDecoderModule.h"
#endif
namespace mozilla::ipc {
UtilityAudioDecoderParent::UtilityAudioDecoderParent() {
nsDebugImpl::SetMultiprocessMode("Utility AudioDecoder");
profiler_set_process_name(nsCString("Utility AudioDecoder"));
}
/* static */
void UtilityAudioDecoderParent::PreloadForSandbox() {
#if defined(MOZ_SANDBOX) && defined(OS_WIN)
// Preload AV dlls so we can enable Binary Signature Policy
// to restrict further dll loads.
::LoadLibraryW(L"mozavcodec.dll");
::LoadLibraryW(L"mozavutil.dll");
// WMF
::LoadLibraryW(L"mfplat.dll");
::LoadLibraryW(L"mf.dll");
# if defined(DEBUG)
// WMF Shutdown on debug build somehow requires this
::LoadLibraryW(L"ole32.dll");
# endif // defined(DEBUG)
auto rv = wmf::MediaFoundationInitializer::HasInitialized();
if (!rv) {
NS_WARNING("Failed to init Media Foundation in the Utility process");
}
#endif // defined(MOZ_SANDBOX) && defined(OS_WIN)
}
void UtilityAudioDecoderParent::Start(
Endpoint<PUtilityAudioDecoderParent>&& aEndpoint) {
MOZ_ASSERT(NS_IsMainThread());
DebugOnly<bool> ok = std::move(aEndpoint).Bind(this);
MOZ_ASSERT(ok);
#ifdef MOZ_WIDGET_ANDROID
if (StaticPrefs::media_utility_android_media_codec_enabled()) {
AndroidDecoderModule::SetSupportedMimeTypes(
AndroidDecoderModule::GetSupportedMimeTypes());
}
#endif
auto supported = PDMFactory::Supported();
Unused << SendUpdateMediaCodecsSupported(std::move(supported));
}
mozilla::ipc::IPCResult
UtilityAudioDecoderParent::RecvNewContentRemoteDecoderManager(
Endpoint<PRemoteDecoderManagerParent>&& aEndpoint) {
MOZ_ASSERT(NS_IsMainThread());
if (!RemoteDecoderManagerParent::CreateForContent(std::move(aEndpoint))) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
} // namespace mozilla::ipc