1 files changed, 87 insertions, 0 deletions
diff --git a/dom/media/ipc/RemoteDecoderModule.cpp b/dom/media/ipc/RemoteDecoderModule.cpp
new file mode 100644
index 0000000000..2f0d6e1752
--- /dev/null
+++ b/dom/media/ipc/RemoteDecoderModule.cpp
@@ -0,0 +1,87 @@
+/* -*- 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 "RemoteDecoderModule.h"
+
+#ifdef MOZ_AV1
+#  include "AOMDecoder.h"
+#endif
+#include "OpusDecoder.h"
+#include "RemoteAudioDecoder.h"
+#include "RemoteDecoderManagerChild.h"
+#include "RemoteMediaDataDecoder.h"
+#include "RemoteVideoDecoder.h"
+#include "VideoUtils.h"
+#include "VorbisDecoder.h"
+#include "WAVDecoder.h"
+#include "gfxConfig.h"
+#include "mozilla/RemoteDecodeUtils.h"
+
+namespace mozilla {
+
+using namespace ipc;
+using namespace layers;
+
+already_AddRefed<PlatformDecoderModule> RemoteDecoderModule::Create(
+    RemoteDecodeIn aLocation) {
+  MOZ_ASSERT(!XRE_IsGPUProcess() && !XRE_IsRDDProcess(),
+             "Should not be created in GPU or RDD process.");
+  if (!XRE_IsContentProcess()) {
+    // For now, the RemoteDecoderModule is only available in the content
+    // process.
+    return nullptr;
+  }
+  return MakeAndAddRef<RemoteDecoderModule>(aLocation);
+}
+
+RemoteDecoderModule::RemoteDecoderModule(RemoteDecodeIn aLocation)
+    : mLocation(aLocation) {}
+
+media::DecodeSupportSet RemoteDecoderModule::SupportsMimeType(
+    const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const {
+  MOZ_CRASH("Deprecated: Use RemoteDecoderModule::Supports");
+}  // namespace mozilla
+
+media::DecodeSupportSet RemoteDecoderModule::Supports(
+    const SupportDecoderParams& aParams,
+    DecoderDoctorDiagnostics* aDiagnostics) const {
+  bool supports =
+      RemoteDecoderManagerChild::Supports(mLocation, aParams, aDiagnostics);
+  // This should only be supported by mf media engine cdm process.
+  if (aParams.mMediaEngineId &&
+      mLocation != RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM) {
+    supports = false;
+  }
+  MOZ_LOG(sPDMLog, LogLevel::Debug,
+          ("Sandbox %s decoder %s requested type %s",
+           RemoteDecodeInToStr(mLocation), supports ? "supports" : "rejects",
+           aParams.MimeType().get()));
+  if (supports) {
+    // TODO: Note that we do not yet distinguish between SW/HW decode support.
+    //       Will be done in bug 1754239.
+    return media::DecodeSupport::SoftwareDecode;
+  }
+  return media::DecodeSupport::Unsupported;
+}
+
+RefPtr<RemoteDecoderModule::CreateDecoderPromise>
+RemoteDecoderModule::AsyncCreateDecoder(const CreateDecoderParams& aParams) {
+  if (aParams.mConfig.IsAudio()) {
+    // OpusDataDecoder will check this option to provide the same info
+    // that IsDefaultPlaybackDeviceMono provides.  We want to avoid calls
+    // to IsDefaultPlaybackDeviceMono on RDD because initializing audio
+    // backends on RDD will be blocked by the sandbox.
+    if (OpusDataDecoder::IsOpus(aParams.mConfig.mMimeType) &&
+        IsDefaultPlaybackDeviceMono()) {
+      CreateDecoderParams params = aParams;
+      params.mOptions += CreateDecoderParams::Option::DefaultPlaybackDeviceMono;
+      return RemoteDecoderManagerChild::CreateAudioDecoder(params, mLocation);
+    }
+    return RemoteDecoderManagerChild::CreateAudioDecoder(aParams, mLocation);
+  }
+  return RemoteDecoderManagerChild::CreateVideoDecoder(aParams, mLocation);
+}
+
+}  // namespace mozilla