1 files changed, 126 insertions, 0 deletions
diff --git a/content/renderer/media/pepper_platform_video_decoder_impl.cc b/content/renderer/media/pepper_platform_video_decoder_impl.cc
new file mode 100644
index 0000000..8f95666
--- /dev/null
+++ b/content/renderer/media/pepper_platform_video_decoder_impl.cc
@@ -0,0 +1,126 @@
+// Copyright (c) 2012 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/renderer/media/pepper_platform_video_decoder_impl.h"
+
+#include <vector>
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "content/common/child_process.h"
+#include "content/renderer/gpu/gpu_channel_host.h"
+#include "content/renderer/render_thread_impl.h"
+
+using media::BitstreamBuffer;
+
+PlatformVideoDecoderImpl::PlatformVideoDecoderImpl(
+    VideoDecodeAccelerator::Client* client,
+    int32 command_buffer_route_id)
+    : client_(client),
+      command_buffer_route_id_(command_buffer_route_id) {
+  DCHECK(client);
+}
+
+PlatformVideoDecoderImpl::~PlatformVideoDecoderImpl() {}
+
+bool PlatformVideoDecoderImpl::Initialize(Profile profile) {
+  // TODO(vrk): Support multiple decoders.
+  if (decoder_)
+    return true;
+
+  RenderThreadImpl* render_thread = RenderThreadImpl::current();
+
+  // This is not synchronous, but subsequent IPC messages will be buffered, so
+  // it is okay to immediately send IPC messages through the returned channel.
+  GpuChannelHost* channel =
+      render_thread->EstablishGpuChannelSync(
+          content::CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
+
+  if (!channel)
+    return false;
+
+  DCHECK_EQ(channel->state(), GpuChannelHost::kConnected);
+
+  // Send IPC message to initialize decoder in GPU process.
+  decoder_ = channel->CreateVideoDecoder(
+      command_buffer_route_id_, profile, this);
+  return decoder_.get() != NULL;
+}
+
+void PlatformVideoDecoderImpl::Decode(const BitstreamBuffer& bitstream_buffer) {
+  DCHECK(decoder_);
+  decoder_->Decode(bitstream_buffer);
+}
+
+void PlatformVideoDecoderImpl::AssignPictureBuffers(
+    const std::vector<media::PictureBuffer>& buffers) {
+  DCHECK(decoder_);
+  decoder_->AssignPictureBuffers(buffers);
+}
+
+void PlatformVideoDecoderImpl::ReusePictureBuffer(
+    int32 picture_buffer_id) {
+  DCHECK(decoder_);
+  decoder_->ReusePictureBuffer(picture_buffer_id);
+}
+
+void PlatformVideoDecoderImpl::Flush() {
+  DCHECK(decoder_);
+  decoder_->Flush();
+}
+
+void PlatformVideoDecoderImpl::Reset() {
+  DCHECK(decoder_);
+  decoder_->Reset();
+}
+
+void PlatformVideoDecoderImpl::Destroy() {
+  DCHECK(decoder_);
+  decoder_->Destroy();
+  client_ = NULL;
+  decoder_ = NULL;
+}
+
+void PlatformVideoDecoderImpl::NotifyError(
+    VideoDecodeAccelerator::Error error) {
+  DCHECK(RenderThreadImpl::current());
+  client_->NotifyError(error);
+}
+
+void PlatformVideoDecoderImpl::ProvidePictureBuffers(
+    uint32 requested_num_of_buffers,
+    const gfx::Size& dimensions) {
+  DCHECK(RenderThreadImpl::current());
+  client_->ProvidePictureBuffers(requested_num_of_buffers, dimensions);
+}
+
+void PlatformVideoDecoderImpl::DismissPictureBuffer(int32 picture_buffer_id) {
+  DCHECK(RenderThreadImpl::current());
+  client_->DismissPictureBuffer(picture_buffer_id);
+}
+
+void PlatformVideoDecoderImpl::PictureReady(const media::Picture& picture) {
+  DCHECK(RenderThreadImpl::current());
+  client_->PictureReady(picture);
+}
+
+void PlatformVideoDecoderImpl::NotifyInitializeDone() {
+  NOTREACHED() << "GpuVideoDecodeAcceleratorHost::Initialize is synchronous!";
+}
+
+void PlatformVideoDecoderImpl::NotifyEndOfBitstreamBuffer(
+  int32 bitstream_buffer_id) {
+  DCHECK(RenderThreadImpl::current());
+  client_->NotifyEndOfBitstreamBuffer(bitstream_buffer_id);
+}
+
+void PlatformVideoDecoderImpl::NotifyFlushDone() {
+  DCHECK(RenderThreadImpl::current());
+  client_->NotifyFlushDone();
+}
+
+void PlatformVideoDecoderImpl::NotifyResetDone() {
+  DCHECK(RenderThreadImpl::current());
+  client_->NotifyResetDone();
+}