import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/webaudio/BufferDecoder.cpp

@@ -0,0 +1,77 @@
+/* -*- 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 "BufferDecoder.h"
+
+#include "nsISupports.h"
+#include "MediaResource.h"
+#include "GMPService.h"
+
+namespace mozilla {
+
+NS_IMPL_ISUPPORTS0(BufferDecoder)
+
+BufferDecoder::BufferDecoder(MediaResource* aResource, GMPCrashHelper* aCrashHelper)
+  : mResource(aResource)
+  , mCrashHelper(aCrashHelper)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_COUNT_CTOR(BufferDecoder);
+}
+
+BufferDecoder::~BufferDecoder()
+{
+  // The dtor may run on any thread, we cannot be sure.
+  MOZ_COUNT_DTOR(BufferDecoder);
+}
+
+void
+BufferDecoder::BeginDecoding(TaskQueue* aTaskQueueIdentity)
+{
+  MOZ_ASSERT(!mTaskQueueIdentity && aTaskQueueIdentity);
+  mTaskQueueIdentity = aTaskQueueIdentity;
+}
+
+MediaResource*
+BufferDecoder::GetResource() const
+{
+  return mResource;
+}
+
+void
+BufferDecoder::NotifyDecodedFrames(const FrameStatisticsData& aStats)
+{
+  // ignore
+}
+
+VideoFrameContainer*
+BufferDecoder::GetVideoFrameContainer()
+{
+  // no video frame
+  return nullptr;
+}
+
+layers::ImageContainer*
+BufferDecoder::GetImageContainer()
+{
+  // no image container
+  return nullptr;
+}
+
+MediaDecoderOwner*
+BufferDecoder::GetOwner() const
+{
+  // unknown
+  return nullptr;
+}
+
+already_AddRefed<GMPCrashHelper>
+BufferDecoder::GetCrashHelper()
+{
+  return do_AddRef(mCrashHelper);
+}
+
+} // namespace mozilla