Sample code: IPC Transport object for GPU

content/common/gpu/media/gpu_video_encode_accelerator.cc

 // Copyright 2013 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/gpu_video_encode_accelerator.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/shared_memory.h"
 #include "base/numerics/safe_math.h"
 #include "base/sys_info.h"
 #include "build/build_config.h"
 #include "content/common/gpu/client/gpu_memory_buffer_impl.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/media/gpu_video_accelerator_util.h"
+#include "content/common/gpu/video_encode_params.h"
 #include "content/public/common/content_switches.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/limits.h"
 #include "media/base/video_frame.h"
 
 #if defined(OS_CHROMEOS)
 #if defined(USE_V4L2_CODEC)
 #include "content/common/gpu/media/v4l2_video_encode_accelerator.h"
 #endif
@@ skipping 203 matching lines @@
 // static
 scoped_ptr<media::VideoEncodeAccelerator>
 GpuVideoEncodeAccelerator::CreateAndroidVEA() {
   scoped_ptr<media::VideoEncodeAccelerator> encoder;
 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
   encoder.reset(new AndroidVideoEncodeAccelerator());
 #endif
   return encoder;
 }
 
-void GpuVideoEncodeAccelerator::OnEncode(
-    const AcceleratedVideoEncoderMsg_Encode_Params& params) {
+void GpuVideoEncodeAccelerator::OnEncode(const VideoEncodeParams& params) {
   DVLOG(3) << "GpuVideoEncodeAccelerator::OnEncode: frame_id = "
            << params.frame_id << ", buffer_size=" << params.buffer_size
            << ", force_keyframe=" << params.force_keyframe;
   DCHECK_EQ(media::PIXEL_FORMAT_I420, input_format_);
 
   // Wrap into a SharedMemory in the beginning, so that |params.buffer_handle|
   // is cleaned properly in case of an early return.
   scoped_ptr<base::SharedMemory> shm(
       new base::SharedMemory(params.buffer_handle, true));
 
@@ skipping 49 matching lines @@
   }
   frame->AddDestructionObserver(
       media::BindToCurrentLoop(
           base::Bind(&GpuVideoEncodeAccelerator::EncodeFrameFinished,
                      weak_this_factory_.GetWeakPtr(),
                      params.frame_id,
                      base::Passed(&shm))));
   encoder_->Encode(frame, params.force_keyframe);
 }
 
-void GpuVideoEncodeAccelerator::OnEncode2(
-    const AcceleratedVideoEncoderMsg_Encode_Params2& params) {
+void GpuVideoEncodeAccelerator::OnEncode2(const VideoEncodeParams2& params) {
   DVLOG(3) << "GpuVideoEncodeAccelerator::OnEncode2: frame_id = "
            << params.frame_id << ", size=" << params.size.ToString()
            << ", force_keyframe=" << params.force_keyframe << ", handle type="
            << params.gpu_memory_buffer_handles[0].type;
   DCHECK_EQ(media::PIXEL_FORMAT_I420, input_format_);
   DCHECK_EQ(media::VideoFrame::NumPlanes(input_format_),
             params.gpu_memory_buffer_handles.size());
 
   bool map_result = true;
   uint8_t* data[media::VideoFrame::kMaxPlanes];
@@ skipping 130 matching lines @@
   stub_->channel()->Send(message);
 }
 
 void GpuVideoEncodeAccelerator::SendCreateEncoderReply(IPC::Message* message,
                                                        bool succeeded) {
   GpuCommandBufferMsg_CreateVideoEncoder::WriteReplyParams(message, succeeded);
   Send(message);
 }
 
 }  // namespace content