Create VTVideoDecodeAccelerator

content/common/gpu/media/vt_video_decode_accelerator.cc

+// Copyright (c) 2014 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/common/gpu/media/vt_video_decode_accelerator.h"
+
+namespace content {
+
+VTVideoDecodeAccelerator::VTVideoDecodeAccelerator(CGLContextObj cgl_context)
+    : weak_this_factory_(this),
+      loop_proxy_(base::MessageLoopProxy::current()),
+      cgl_context_(cgl_context),
+      client_(NULL) {
+  weak_this_ = weak_this_factory_.GetWeakPtr();
+}
+
+VTVideoDecodeAccelerator::~VTVideoDecodeAccelerator() {
+  client_ = NULL;

[scherkus (not reviewing), 2014/06/09 16:02:07]

paranoid NULL setting? :)

(it's fine to leave it in if you want, but it's not really doing us much)

[sandersd (OOO until July 31), 2014/06/10 01:02:44]

Done.

+}
+
+bool VTVideoDecodeAccelerator::Initialize(
+    media::VideoCodecProfile profile,
+    Client* client) {
+  DCHECK(CalledOnValidThread());
+  client_ = client;
+
+  // Only H.264 is supported.
+  if (profile < media::H264PROFILE_MIN || profile > media::H264PROFILE_MAX)
+    return false;
+
+  // Prevent anyone from using VTVideoDecoder for now.

[scherkus (not reviewing), 2014/06/09 16:02:06]

link to bug would be nice

[sandersd (OOO until July 31), 2014/06/10 01:02:44]

Done.

+  return false;
+}
+
+void VTVideoDecodeAccelerator::Decode(const media::BitstreamBuffer& bitstream) {
+  DCHECK(CalledOnValidThread());
+}
+
+void VTVideoDecodeAccelerator::AssignPictureBuffers(
+    const std::vector<media::PictureBuffer>& pictures) {
+  DCHECK(CalledOnValidThread());
+}
+
+void VTVideoDecodeAccelerator::ReusePictureBuffer(int32_t picture_id) {
+  DCHECK(CalledOnValidThread());
+}
+
+void VTVideoDecodeAccelerator::Flush() {
+  DCHECK(CalledOnValidThread());
+}
+
+void VTVideoDecodeAccelerator::Reset() {
+  DCHECK(CalledOnValidThread());
+}
+
+void VTVideoDecodeAccelerator::Destroy() {
+  DCHECK(CalledOnValidThread());
+}
+
+}  // namespace content