Add MediaGpuChannelManager::LookupChannel().

media/mojo/clients/mojo_video_decoder.cc

 // 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 "media/mojo/clients/mojo_video_decoder.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
+#include "base/unguessable_token.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/demuxer_stream.h"
 #include "media/base/video_frame.h"
 #include "media/mojo/common/media_type_converters.h"
 #include "media/mojo/common/mojo_decoder_buffer_converter.h"
+#include "media/mojo/interfaces/media_types.mojom.h"
+#include "media/renderers/gpu_video_accelerator_factories.h"
 
 namespace media {
 
 MojoVideoDecoder::MojoVideoDecoder(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     GpuVideoAcceleratorFactories* gpu_factories,
     mojom::VideoDecoderPtr remote_decoder)
     : task_runner_(task_runner),
+      remote_decoder_info_(remote_decoder.PassInterface()),
       gpu_factories_(gpu_factories),
-      remote_decoder_info_(remote_decoder.PassInterface()),
       client_binding_(this) {
-  (void)gpu_factories_;
   DVLOG(1) << __func__;
 }
 
 MojoVideoDecoder::~MojoVideoDecoder() {
   DVLOG(1) << __func__;
   Stop();
 }
 
 std::string MojoVideoDecoder::GetDisplayName() const {
   // TODO(sandersd): Build the name including information from the remote end.
@@ skipping 133 matching lines @@
 
   // TODO(sandersd): Does this need its own error handler?
   mojom::VideoDecoderClientAssociatedPtrInfo client_ptr_info;
   client_binding_.Bind(&client_ptr_info, remote_decoder_.associated_group());
 
   // TODO(sandersd): Better buffer sizing.
   mojo::ScopedDataPipeConsumerHandle remote_consumer_handle;
   mojo_decoder_buffer_writer_ = MojoDecoderBufferWriter::Create(
       DemuxerStream::VIDEO, &remote_consumer_handle);
 
+  media::mojom::CommandBufferIdPtr command_buffer_id;
+  if (gpu_factories_) {
+    base::UnguessableToken channel_token = gpu_factories_->GetChannelToken();
+    if (channel_token) {
+      command_buffer_id = media::mojom::CommandBufferId::New();
+      command_buffer_id->channel_token = std::move(channel_token);
+      command_buffer_id->route_id = gpu_factories_->GetCommandBufferRouteId();
+    }
+  }
+
   remote_decoder_->Construct(std::move(client_ptr_info),
-                             std::move(remote_consumer_handle));
+                             std::move(remote_consumer_handle),
+                             std::move(command_buffer_id));
 }
 
 void MojoVideoDecoder::Stop() {
   DVLOG(2) << __func__;
   DCHECK(task_runner_->BelongsToCurrentThread());
 
   has_connection_error_ = true;
 
   if (!init_cb_.is_null())
     base::ResetAndReturn(&init_cb_).Run(false);
 
   for (const auto& pending_decode : pending_decodes_)
     pending_decode.second.Run(DecodeStatus::DECODE_ERROR);
   pending_decodes_.clear();
 
   if (!reset_cb_.is_null())
     base::ResetAndReturn(&reset_cb_).Run();
 }
 
 }  // namespace media