Add m-esr52 at 52.6.0

1 files changed, 369 insertions, 0 deletions

diff --git a/dom/media/gmp/GMPAudioDecoderParent.cpp b/dom/media/gmp/GMPAudioDecoderParent.cpp
new file mode 100644
index 000000000..592c7719b
--- /dev/null
+++ b/dom/media/gmp/GMPAudioDecoderParent.cpp
@@ -0,0 +1,369 @@
+/* -*- 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 "GMPAudioDecoderParent.h"
+#include "GMPContentParent.h"
+#include <stdio.h>
+#include "mozilla/Unused.h"
+#include "GMPMessageUtils.h"
+#include "nsThreadUtils.h"
+#include "mozilla/Logging.h"
+
+namespace mozilla {
+
+#ifdef LOG
+#undef LOG
+#endif
+
+extern LogModule* GetGMPLog();
+
+#define LOGV(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Verbose, msg)
+#define LOGD(msg) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Debug, msg)
+#define LOG(level, msg) MOZ_LOG(GetGMPLog(), (level), msg)
+
+namespace gmp {
+
+GMPAudioDecoderParent::GMPAudioDecoderParent(GMPContentParent* aPlugin)
+  : mIsOpen(false)
+  , mShuttingDown(false)
+  , mActorDestroyed(false)
+  , mIsAwaitingResetComplete(false)
+  , mIsAwaitingDrainComplete(false)
+  , mPlugin(aPlugin)
+  , mCallback(nullptr)
+{
+  MOZ_ASSERT(mPlugin);
+}
+
+GMPAudioDecoderParent::~GMPAudioDecoderParent()
+{
+}
+
+nsresult
+GMPAudioDecoderParent::InitDecode(GMPAudioCodecType aCodecType,
+                                  uint32_t aChannelCount,
+                                  uint32_t aBitsPerChannel,
+                                  uint32_t aSamplesPerSecond,
+                                  nsTArray<uint8_t>& aExtraData,
+                                  GMPAudioDecoderCallbackProxy* aCallback)
+{
+  LOGD(("GMPAudioDecoderParent[%p]::InitDecode()", this));
+
+  if (mIsOpen) {
+    NS_WARNING("Trying to re-init an in-use GMP audio decoder!");
+    return NS_ERROR_FAILURE;
+  }
+
+  MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread());
+
+  if (!aCallback) {
+    return NS_ERROR_FAILURE;
+  }
+  mCallback = aCallback;
+
+  GMPAudioCodecData data;
+  data.mCodecType() = aCodecType;
+  data.mChannelCount() = aChannelCount;
+  data.mBitsPerChannel() = aBitsPerChannel;
+  data.mSamplesPerSecond() = aSamplesPerSecond;
+  data.mExtraData() = aExtraData;
+  if (!SendInitDecode(data)) {
+    return NS_ERROR_FAILURE;
+  }
+  mIsOpen = true;
+
+  // Async IPC, we don't have access to a return value.
+  return NS_OK;
+}
+
+nsresult
+GMPAudioDecoderParent::Decode(GMPAudioSamplesImpl& aEncodedSamples)
+{
+  LOGV(("GMPAudioDecoderParent[%p]::Decode() timestamp=%lld",
+        this, aEncodedSamples.TimeStamp()));
+
+  if (!mIsOpen) {
+    NS_WARNING("Trying to use a dead GMP Audio decoder!");
+    return NS_ERROR_FAILURE;
+  }
+
+  MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread());
+
+  GMPAudioEncodedSampleData samples;
+  aEncodedSamples.RelinquishData(samples);
+
+  if (!SendDecode(samples)) {
+    return NS_ERROR_FAILURE;
+  }
+
+  // Async IPC, we don't have access to a return value.
+  return NS_OK;
+}
+
+nsresult
+GMPAudioDecoderParent::Reset()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::Reset()", this));
+
+  if (!mIsOpen) {
+    NS_WARNING("Trying to use a dead GMP Audio decoder!");
+    return NS_ERROR_FAILURE;
+  }
+
+  MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread());
+
+  if (!SendReset()) {
+    return NS_ERROR_FAILURE;
+  }
+
+  mIsAwaitingResetComplete = true;
+
+  // Async IPC, we don't have access to a return value.
+  return NS_OK;
+}
+
+nsresult
+GMPAudioDecoderParent::Drain()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::Drain()", this));
+
+  if (!mIsOpen) {
+    NS_WARNING("Trying to use a dead GMP Audio decoder!");
+    return NS_ERROR_FAILURE;
+  }
+
+  MOZ_ASSERT(mPlugin->GMPThread() == NS_GetCurrentThread());
+
+  if (!SendDrain()) {
+    return NS_ERROR_FAILURE;
+  }
+
+  mIsAwaitingDrainComplete = true;
+
+  // Async IPC, we don't have access to a return value.
+  return NS_OK;
+}
+
+// Note: Consider keeping ActorDestroy sync'd up when making changes here.
+nsresult
+GMPAudioDecoderParent::Close()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::Close()", this));
+  MOZ_ASSERT(!mPlugin || mPlugin->GMPThread() == NS_GetCurrentThread());
+
+  // Ensure if we've received a Close while waiting for a ResetComplete
+  // or DrainComplete notification, we'll unblock the caller before processing
+  // the close. This seems unlikely to happen, but better to be careful.
+  UnblockResetAndDrain();
+
+  // Consumer is done with us; we can shut down.  No more callbacks should
+  // be made to mCallback.  Note: do this before Shutdown()!
+  mCallback = nullptr;
+  // Let Shutdown mark us as dead so it knows if we had been alive
+
+  // In case this is the last reference
+  RefPtr<GMPAudioDecoderParent> kungfudeathgrip(this);
+  Release();
+  Shutdown();
+
+  return NS_OK;
+}
+
+// Note: Consider keeping ActorDestroy sync'd up when making changes here.
+nsresult
+GMPAudioDecoderParent::Shutdown()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::Shutdown()", this));
+  MOZ_ASSERT(!mPlugin || mPlugin->GMPThread() == NS_GetCurrentThread());
+
+  if (mShuttingDown) {
+    return NS_OK;
+  }
+  mShuttingDown = true;
+
+  // Ensure if we've received a shutdown while waiting for a ResetComplete
+  // or DrainComplete notification, we'll unblock the caller before processing
+  // the shutdown.
+  UnblockResetAndDrain();
+
+  // Notify client we're gone!  Won't occur after Close()
+  if (mCallback) {
+    mCallback->Terminated();
+    mCallback = nullptr;
+  }
+
+  mIsOpen = false;
+  if (!mActorDestroyed) {
+    Unused << SendDecodingComplete();
+  }
+
+  return NS_OK;
+}
+
+// Note: Keep this sync'd up with DecodingComplete
+void
+GMPAudioDecoderParent::ActorDestroy(ActorDestroyReason aWhy)
+{
+  LOGD(("GMPAudioDecoderParent[%p]::ActorDestroy(reason=%d)", this, aWhy));
+
+  mIsOpen = false;
+  mActorDestroyed = true;
+
+  // Ensure if we've received a destroy while waiting for a ResetComplete
+  // or DrainComplete notification, we'll unblock the caller before processing
+  // the error.
+  UnblockResetAndDrain();
+
+  if (mCallback) {
+    // May call Close() (and Shutdown()) immediately or with a delay
+    mCallback->Terminated();
+    mCallback = nullptr;
+  }
+  if (mPlugin) {
+    // Ignore any return code. It is OK for this to fail without killing the process.
+    mPlugin->AudioDecoderDestroyed(this);
+    mPlugin = nullptr;
+  }
+  MaybeDisconnect(aWhy == AbnormalShutdown);
+}
+
+bool
+GMPAudioDecoderParent::RecvDecoded(const GMPAudioDecodedSampleData& aDecoded)
+{
+  LOGV(("GMPAudioDecoderParent[%p]::RecvDecoded() timestamp=%lld",
+        this, aDecoded.mTimeStamp()));
+
+  if (!mCallback) {
+    return false;
+  }
+
+  mCallback->Decoded(aDecoded.mData(),
+                     aDecoded.mTimeStamp(),
+                     aDecoded.mChannelCount(),
+                     aDecoded.mSamplesPerSecond());
+
+  return true;
+}
+
+bool
+GMPAudioDecoderParent::RecvInputDataExhausted()
+{
+  LOGV(("GMPAudioDecoderParent[%p]::RecvInputDataExhausted()", this));
+
+  if (!mCallback) {
+    return false;
+  }
+
+  // Ignore any return code. It is OK for this to fail without killing the process.
+  mCallback->InputDataExhausted();
+
+  return true;
+}
+
+bool
+GMPAudioDecoderParent::RecvDrainComplete()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::RecvDrainComplete()", this));
+
+  if (!mCallback) {
+    return false;
+  }
+
+  if (!mIsAwaitingDrainComplete) {
+    return true;
+  }
+  mIsAwaitingDrainComplete = false;
+
+  // Ignore any return code. It is OK for this to fail without killing the process.
+  mCallback->DrainComplete();
+
+  return true;
+}
+
+bool
+GMPAudioDecoderParent::RecvResetComplete()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::RecvResetComplete()", this));
+
+  if (!mCallback) {
+    return false;
+  }
+
+  if (!mIsAwaitingResetComplete) {
+    return true;
+  }
+  mIsAwaitingResetComplete = false;
+
+  // Ignore any return code. It is OK for this to fail without killing the process.
+  mCallback->ResetComplete();
+
+  return true;
+}
+
+bool
+GMPAudioDecoderParent::RecvError(const GMPErr& aError)
+{
+  LOGD(("GMPAudioDecoderParent[%p]::RecvError(error=%d)", this, aError));
+
+  if (!mCallback) {
+    return false;
+  }
+
+  // Ensure if we've received an error while waiting for a ResetComplete
+  // or DrainComplete notification, we'll unblock the caller before processing
+  // the error.
+  UnblockResetAndDrain();
+
+  // Ignore any return code. It is OK for this to fail without killing the process.
+  mCallback->Error(aError);
+
+  return true;
+}
+
+bool
+GMPAudioDecoderParent::RecvShutdown()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::RecvShutdown()", this));
+
+  Shutdown();
+  return true;
+}
+
+bool
+GMPAudioDecoderParent::Recv__delete__()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::Recv__delete__()", this));
+
+  if (mPlugin) {
+    // Ignore any return code. It is OK for this to fail without killing the process.
+    mPlugin->AudioDecoderDestroyed(this);
+    mPlugin = nullptr;
+  }
+
+  return true;
+}
+
+void
+GMPAudioDecoderParent::UnblockResetAndDrain()
+{
+  LOGD(("GMPAudioDecoderParent[%p]::UnblockResetAndDrain()", this));
+
+  if (!mCallback) {
+    MOZ_ASSERT(!mIsAwaitingResetComplete);
+    MOZ_ASSERT(!mIsAwaitingDrainComplete);
+    return;
+  }
+  if (mIsAwaitingResetComplete) {
+    mIsAwaitingResetComplete = false;
+    mCallback->ResetComplete();
+  }
+  if (mIsAwaitingDrainComplete) {
+    mIsAwaitingDrainComplete = false;
+    mCallback->DrainComplete();
+  }
+}
+
+} // namespace gmp
+} // namespace mozilla