import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/gmp/GMPAudioDecoderChild.cpp

@@ -0,0 +1,172 @@
+/* -*- 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/. */
+
+#include "GMPAudioDecoderChild.h"
+#include "GMPContentChild.h"
+#include "GMPAudioHost.h"
+#include "mozilla/Unused.h"
+#include <stdio.h>
+
+namespace mozilla {
+namespace gmp {
+
+GMPAudioDecoderChild::GMPAudioDecoderChild(GMPContentChild* aPlugin)
+  : mPlugin(aPlugin)
+  , mAudioDecoder(nullptr)
+{
+  MOZ_ASSERT(mPlugin);
+}
+
+GMPAudioDecoderChild::~GMPAudioDecoderChild()
+{
+}
+
+void
+GMPAudioDecoderChild::Init(GMPAudioDecoder* aDecoder)
+{
+  MOZ_ASSERT(aDecoder, "Cannot initialize Audio decoder child without a Audio decoder!");
+  mAudioDecoder = aDecoder;
+}
+
+GMPAudioHostImpl&
+GMPAudioDecoderChild::Host()
+{
+  return mAudioHost;
+}
+
+void
+GMPAudioDecoderChild::Decoded(GMPAudioSamples* aDecodedSamples)
+{
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  if (!aDecodedSamples) {
+    MOZ_CRASH("Not given decoded audio samples!");
+  }
+
+  GMPAudioDecodedSampleData samples;
+  samples.mData().AppendElements((int16_t*)aDecodedSamples->Buffer(),
+                                 aDecodedSamples->Size() / sizeof(int16_t));
+  samples.mTimeStamp() = aDecodedSamples->TimeStamp();
+  samples.mChannelCount() = aDecodedSamples->Channels();
+  samples.mSamplesPerSecond() = aDecodedSamples->Rate();
+
+  Unused << SendDecoded(samples);
+
+  aDecodedSamples->Destroy();
+}
+
+void
+GMPAudioDecoderChild::InputDataExhausted()
+{
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  Unused << SendInputDataExhausted();
+}
+
+void
+GMPAudioDecoderChild::DrainComplete()
+{
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  Unused << SendDrainComplete();
+}
+
+void
+GMPAudioDecoderChild::ResetComplete()
+{
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  Unused << SendResetComplete();
+}
+
+void
+GMPAudioDecoderChild::Error(GMPErr aError)
+{
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  Unused << SendError(aError);
+}
+
+bool
+GMPAudioDecoderChild::RecvInitDecode(const GMPAudioCodecData& a)
+{
+  MOZ_ASSERT(mAudioDecoder);
+  if (!mAudioDecoder) {
+    return false;
+  }
+
+  GMPAudioCodec codec;
+  codec.mCodecType = a.mCodecType();
+  codec.mChannelCount = a.mChannelCount();
+  codec.mBitsPerChannel = a.mBitsPerChannel();
+  codec.mSamplesPerSecond = a.mSamplesPerSecond();
+  codec.mExtraData = a.mExtraData().Elements();
+  codec.mExtraDataLen = a.mExtraData().Length();
+
+  // Ignore any return code. It is OK for this to fail without killing the process.
+  mAudioDecoder->InitDecode(codec, this);
+
+  return true;
+}
+
+bool
+GMPAudioDecoderChild::RecvDecode(const GMPAudioEncodedSampleData& aEncodedSamples)
+{
+  if (!mAudioDecoder) {
+    return false;
+  }
+
+  GMPAudioSamples* samples = new GMPAudioSamplesImpl(aEncodedSamples);
+
+  // Ignore any return code. It is OK for this to fail without killing the process.
+  mAudioDecoder->Decode(samples);
+
+  return true;
+}
+
+bool
+GMPAudioDecoderChild::RecvReset()
+{
+  if (!mAudioDecoder) {
+    return false;
+  }
+
+  // Ignore any return code. It is OK for this to fail without killing the process.
+  mAudioDecoder->Reset();
+
+  return true;
+}
+
+bool
+GMPAudioDecoderChild::RecvDrain()
+{
+  if (!mAudioDecoder) {
+    return false;
+  }
+
+  // Ignore any return code. It is OK for this to fail without killing the process.
+  mAudioDecoder->Drain();
+
+  return true;
+}
+
+bool
+GMPAudioDecoderChild::RecvDecodingComplete()
+{
+  if (mAudioDecoder) {
+    // Ignore any return code. It is OK for this to fail without killing the process.
+    mAudioDecoder->DecodingComplete();
+    mAudioDecoder = nullptr;
+  }
+
+  mPlugin = nullptr;
+
+  Unused << Send__delete__(this);
+
+  return true;
+}
+
+} // namespace gmp
+} // namespace mozilla