Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 210 insertions, 0 deletions

diff --git a/dom/media/gmp/GMPVideoDecoderChild.cpp b/dom/media/gmp/GMPVideoDecoderChild.cpp
new file mode 100644
index 0000000000..0f605cca9b
--- /dev/null
+++ b/dom/media/gmp/GMPVideoDecoderChild.cpp
@@ -0,0 +1,210 @@
+/* -*- 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 "GMPVideoDecoderChild.h"
+#include "GMPVideoi420FrameImpl.h"
+#include "GMPContentChild.h"
+#include <stdio.h>
+#include "mozilla/Unused.h"
+#include "GMPVideoEncodedFrameImpl.h"
+#include "runnable_utils.h"
+
+namespace mozilla::gmp {
+
+GMPVideoDecoderChild::GMPVideoDecoderChild(GMPContentChild* aPlugin)
+    : GMPSharedMemManager(aPlugin),
+      mPlugin(aPlugin),
+      mVideoDecoder(nullptr),
+      mVideoHost(this),
+      mNeedShmemIntrCount(0),
+      mPendingDecodeComplete(false) {
+  MOZ_ASSERT(mPlugin);
+}
+
+GMPVideoDecoderChild::~GMPVideoDecoderChild() {
+  MOZ_ASSERT(!mNeedShmemIntrCount);
+}
+
+void GMPVideoDecoderChild::Init(GMPVideoDecoder* aDecoder) {
+  MOZ_ASSERT(aDecoder,
+             "Cannot initialize video decoder child without a video decoder!");
+  mVideoDecoder = aDecoder;
+}
+
+GMPVideoHostImpl& GMPVideoDecoderChild::Host() { return mVideoHost; }
+
+void GMPVideoDecoderChild::Decoded(GMPVideoi420Frame* aDecodedFrame) {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  if (!aDecodedFrame) {
+    MOZ_CRASH("Not given a decoded frame!");
+  }
+
+  auto df = static_cast<GMPVideoi420FrameImpl*>(aDecodedFrame);
+
+  GMPVideoi420FrameData frameData;
+  df->InitFrameData(frameData);
+  SendDecoded(frameData);
+
+  aDecodedFrame->Destroy();
+}
+
+void GMPVideoDecoderChild::ReceivedDecodedReferenceFrame(
+    const uint64_t aPictureId) {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  SendReceivedDecodedReferenceFrame(aPictureId);
+}
+
+void GMPVideoDecoderChild::ReceivedDecodedFrame(const uint64_t aPictureId) {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  SendReceivedDecodedFrame(aPictureId);
+}
+
+void GMPVideoDecoderChild::InputDataExhausted() {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  SendInputDataExhausted();
+}
+
+void GMPVideoDecoderChild::DrainComplete() {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  SendDrainComplete();
+}
+
+void GMPVideoDecoderChild::ResetComplete() {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  SendResetComplete();
+}
+
+void GMPVideoDecoderChild::Error(GMPErr aError) {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  SendError(aError);
+}
+
+mozilla::ipc::IPCResult GMPVideoDecoderChild::RecvInitDecode(
+    const GMPVideoCodec& aCodecSettings, nsTArray<uint8_t>&& aCodecSpecific,
+    const int32_t& aCoreCount) {
+  if (!mVideoDecoder) {
+    return IPC_FAIL(this, "!mVideoDecoder");
+  }
+
+  // Ignore any return code. It is OK for this to fail without killing the
+  // process.
+  mVideoDecoder->InitDecode(aCodecSettings, aCodecSpecific.Elements(),
+                            aCodecSpecific.Length(), this, aCoreCount);
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult GMPVideoDecoderChild::RecvDecode(
+    const GMPVideoEncodedFrameData& aInputFrame, const bool& aMissingFrames,
+    nsTArray<uint8_t>&& aCodecSpecificInfo, const int64_t& aRenderTimeMs) {
+  if (!mVideoDecoder) {
+    return IPC_FAIL(this, "!mVideoDecoder");
+  }
+
+  auto f = new GMPVideoEncodedFrameImpl(aInputFrame, &mVideoHost);
+
+  // Ignore any return code. It is OK for this to fail without killing the
+  // process.
+  mVideoDecoder->Decode(f, aMissingFrames, aCodecSpecificInfo.Elements(),
+                        aCodecSpecificInfo.Length(), aRenderTimeMs);
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult GMPVideoDecoderChild::RecvChildShmemForPool(
+    Shmem&& aFrameBuffer) {
+  if (aFrameBuffer.IsWritable()) {
+    mVideoHost.SharedMemMgr()->MgrDeallocShmem(GMPSharedMem::kGMPFrameData,
+                                               aFrameBuffer);
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult GMPVideoDecoderChild::RecvReset() {
+  if (!mVideoDecoder) {
+    return IPC_FAIL(this, "!mVideoDecoder");
+  }
+
+  // Ignore any return code. It is OK for this to fail without killing the
+  // process.
+  mVideoDecoder->Reset();
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult GMPVideoDecoderChild::RecvDrain() {
+  if (!mVideoDecoder) {
+    return IPC_FAIL(this, "!mVideoDecoder");
+  }
+
+  // Ignore any return code. It is OK for this to fail without killing the
+  // process.
+  mVideoDecoder->Drain();
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult GMPVideoDecoderChild::RecvDecodingComplete() {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  if (mNeedShmemIntrCount) {
+    // There's a GMP blocked in Alloc() waiting for the CallNeedShem() to
+    // return a frame they can use. Don't call the GMP's DecodingComplete()
+    // now and don't delete the GMPVideoDecoderChild, defer processing the
+    // DecodingComplete() until once the Alloc() finishes.
+    mPendingDecodeComplete = true;
+    return IPC_OK();
+  }
+  if (mVideoDecoder) {
+    // Ignore any return code. It is OK for this to fail without killing the
+    // process.
+    mVideoDecoder->DecodingComplete();
+    mVideoDecoder = nullptr;
+  }
+
+  mVideoHost.DoneWithAPI();
+
+  mPlugin = nullptr;
+
+  Unused << Send__delete__(this);
+
+  return IPC_OK();
+}
+
+bool GMPVideoDecoderChild::Alloc(size_t aSize, Shmem* aMem) {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  bool rv;
+#ifndef SHMEM_ALLOC_IN_CHILD
+  ++mNeedShmemIntrCount;
+  rv = SendNeedShmem(aSize, aMem);
+  --mNeedShmemIntrCount;
+  if (mPendingDecodeComplete && mNeedShmemIntrCount == 0) {
+    mPendingDecodeComplete = false;
+    mPlugin->GMPMessageLoop()->PostTask(
+        NewRunnableMethod("gmp::GMPVideoDecoderChild::RecvDecodingComplete",
+                          this, &GMPVideoDecoderChild::RecvDecodingComplete));
+  }
+#else
+  rv = AllocShmem(aSize, aType, aMem);
+#endif
+  return rv;
+}
+
+void GMPVideoDecoderChild::Dealloc(Shmem&& aMem) {
+#ifndef SHMEM_ALLOC_IN_CHILD
+  SendParentShmemForPool(std::move(aMem));
+#else
+  DeallocShmem(aMem);
+#endif
+}
+
+}  // namespace mozilla::gmp