H264 HW encode using VideoToolbox

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"
@@ skipping 13 matching lines @@
 
 #if defined(OS_CHROMEOS)
 #if defined(USE_V4L2_CODEC)
 #include "content/common/gpu/media/v4l2_video_encode_accelerator.h"
 #endif
 #if defined(ARCH_CPU_X86_FAMILY)
 #include "content/common/gpu/media/vaapi_video_encode_accelerator.h"
 #endif
 #elif defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
 #include "content/common/gpu/media/android_video_encode_accelerator.h"
+#elif defined(OS_MACOSX)
+#include "content/common/gpu/media/vt_video_encode_accelerator_mac.h"
 #endif
 
 namespace content {
 
 namespace {
 
 // Allocation and destruction of buffer are done on the Browser process, so we
 // don't need to handle synchronization here.
 void DestroyGpuMemoryBuffer(const gpu::SyncToken& sync_token) {}
 
@@ skipping 160 matching lines @@
   create_vea_fps.push_back(&GpuVideoEncodeAccelerator::CreateV4L2VEA);
 #endif
 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
   if (!gpu_preferences.disable_vaapi_accelerated_video_encode)
     create_vea_fps.push_back(&GpuVideoEncodeAccelerator::CreateVaapiVEA);
 #endif
 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
   if (!gpu_preferences.disable_web_rtc_hw_encoding)
     create_vea_fps.push_back(&GpuVideoEncodeAccelerator::CreateAndroidVEA);
 #endif
+#if defined(OS_MACOSX)
+  create_vea_fps.push_back(&GpuVideoEncodeAccelerator::CreateVTVEA);
+#endif
   return create_vea_fps;
 }
 
 #if defined(OS_CHROMEOS) && defined(USE_V4L2_CODEC)
 // static
 scoped_ptr<media::VideoEncodeAccelerator>
 GpuVideoEncodeAccelerator::CreateV4L2VEA() {
   scoped_ptr<media::VideoEncodeAccelerator> encoder;
   scoped_refptr<V4L2Device> device = V4L2Device::Create(V4L2Device::kEncoder);
   if (device)
@@ skipping 13 matching lines @@
 
 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
 // static
 scoped_ptr<media::VideoEncodeAccelerator>
 GpuVideoEncodeAccelerator::CreateAndroidVEA() {
   return make_scoped_ptr<media::VideoEncodeAccelerator>(
       new AndroidVideoEncodeAccelerator());
 }
 #endif
 
+#if defined(OS_MACOSX)
+// static
+scoped_ptr<media::VideoEncodeAccelerator>
+GpuVideoEncodeAccelerator::CreateVTVEA() {
+  return make_scoped_ptr<media::VideoEncodeAccelerator>(
+      new VTVideoEncodeAccelerator());
+}
+#endif
+
 void GpuVideoEncodeAccelerator::OnEncode(
     const AcceleratedVideoEncoderMsg_Encode_Params& 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(
@@ skipping 197 matching lines @@
   Send(new AcceleratedVideoEncoderHostMsg_NotifyInputDone(host_route_id_,
                                                           frame_id));
   // Just let |buffers| fall out of scope.
 }
 
 void GpuVideoEncodeAccelerator::Send(IPC::Message* message) {
   stub_->channel()->Send(message);
 }
 
 }  // namespace content