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Unified Diff: content/browser/gpu/gpu_arc_video_service_host.cc

Issue 1451353002: Implement GpuArcVideoService for arc video accelerator (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: addressed dcheng's comments Created 4 years, 11 months ago
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Index: content/browser/gpu/gpu_arc_video_service_host.cc
diff --git a/content/browser/gpu/gpu_arc_video_service_host.cc b/content/browser/gpu/gpu_arc_video_service_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7ba572d64f1bcbd7e4ef686ba0e5c0742ce6288b
--- /dev/null
+++ b/content/browser/gpu/gpu_arc_video_service_host.cc
@@ -0,0 +1,76 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/gpu/gpu_arc_video_service_host.h"
+
+#include "base/location.h"
+#include "base/logging.h"
+#include "base/message_loop/message_loop.h"
+#include "content/browser/gpu/gpu_process_host.h"
+#include "content/common/gpu/gpu_messages.h"
+#include "content/public/browser/arc_video_host_delegate.h"
+#include "content/public/browser/browser_thread.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_message_macros.h"
+#include "ipc/ipc_message_utils.h"
+#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
+
+namespace content {
+
+namespace {
+
+void CreateChannelOnIOThread(
+ const GpuProcessHost::CreateArcVideoAcceleratorChannelCallback& callback) {
+ GpuProcessHost* gpu_process_host =
+ GpuProcessHost::Get(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
+ CAUSE_FOR_GPU_LAUNCH_ARCVIDEOACCELERATOR);
+ gpu_process_host->CreateArcVideoAcceleratorChannel(callback);
+}
+
+void HandleChannelCreatedReply(
+ const arc::VideoHost::OnRequestArcVideoAcceleratorChannelCallback& callback,
+ const IPC::ChannelHandle& handle) {
+ MojoHandle wrapped_handle;
+ MojoResult wrap_result = mojo::embedder::CreatePlatformHandleWrapper(
+ mojo::embedder::ScopedPlatformHandle(
+ mojo::embedder::PlatformHandle(handle.socket.fd)),
+ &wrapped_handle);
+ if (wrap_result != MOJO_RESULT_OK) {
+ LOG(WARNING) << "Pipe failed to wrap handles. Closing: " << wrap_result;
+ callback.Run(mojo::ScopedHandle());
+ return;
+ }
+ callback.Run(mojo::ScopedHandle(mojo::Handle(wrapped_handle)));
+}
+
+} // namespace
+
+scoped_ptr<arc::VideoHostDelegate> CreateArcVideoHostDelegate() {
+ return make_scoped_ptr(new GpuArcVideoServiceHost());
+}
+
+GpuArcVideoServiceHost::GpuArcVideoServiceHost()
+ : io_task_runner_(content::BrowserThread::GetMessageLoopProxyForThread(
+ content::BrowserThread::IO)) {}
+
+GpuArcVideoServiceHost::~GpuArcVideoServiceHost() {
+ DCHECK(thread_checker_.CalledOnValidThread());
+}
+
+void GpuArcVideoServiceHost::OnRequestArcVideoAcceleratorChannel(
+ const OnRequestArcVideoAcceleratorChannelCallback& callback) {
+ DCHECK(thread_checker_.CalledOnValidThread());
+
+ io_task_runner_->PostTask(
+ FROM_HERE, base::Bind(&CreateChannelOnIOThread,
+ base::Bind(&HandleChannelCreatedReply, callback)));
+}
+
+void GpuArcVideoServiceHost::OnStopping() {
+ GpuProcessHost::SendOnIO(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
+ CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
+ new GpuMsg_ShutdownArcVideoService());
+}
+
+} // namespace content

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