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)
+    : loop_proxy_(base::MessageLoopProxy::current()),
+      cgl_context_(cgl_context),
+      client_(NULL),
+      weak_this_factory_(this) {
+}
+
+VTVideoDecodeAccelerator::~VTVideoDecodeAccelerator() {
+}
+
+bool VTVideoDecodeAccelerator::Initialize(
+    media::VideoCodecProfile profile,
+    Client* client) {
+  DCHECK(CalledOnValidThread());
+  DVLOG(2) << __FUNCTION__;
+  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. http://crbug.com/133828
+  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());
+}
+
+bool VTVideoDecodeAccelerator::CanDecodeOnIOThread() {
+  return false;
+}
+
+}  // namespace content