VDA implementation for Exynos, using V4L2

content/common/gpu/media/gpu_video_decode_accelerator.cc

 // 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/common/gpu/media/gpu_video_decode_accelerator.h"
 
 #include <vector>
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_messages.h"
+#include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_surface_egl.h"
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #include "content/common/gpu/media/dxva_video_decode_accelerator.h"
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
 #include "content/common/gpu/media/omx_video_decode_accelerator.h"
+#include "content/common/gpu/media/exynos_video_decode_accelerator.h"
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
 #include "ui/gl/gl_context_glx.h"
 #include "content/common/gpu/media/vaapi_video_decode_accelerator.h"
 #elif defined(OS_MACOSX)
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "content/common/gpu/media/mac_video_decode_accelerator.h"
 #endif
 
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "ui/gfx/size.h"
@@ skipping 129 matching lines @@
 #if defined(OS_WIN)
   if (base::win::GetVersion() < base::win::VERSION_WIN7) {
     NOTIMPLEMENTED() << "HW video decode acceleration not available.";
     NotifyError(media::VideoDecodeAccelerator::PLATFORM_FAILURE);
     return;
   }
   DLOG(INFO) << "Initializing DXVA HW decoder for windows.";
   video_decode_accelerator_.reset(new DXVAVideoDecodeAccelerator(
       this, make_context_current_));
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
-  video_decode_accelerator_.reset(new OmxVideoDecodeAccelerator(
-      gfx::GLSurfaceEGL::GetHardwareDisplay(),
-      stub_->decoder()->GetGLContext()->GetHandle(),
-      this,
-      make_context_current_));
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseExynosVda)) {
+    video_decode_accelerator_.reset(new ExynosVideoDecodeAccelerator(
+        stub_->decoder()->GetGLContext(), this, make_context_current_));
+  } else {
+    video_decode_accelerator_.reset(new OmxVideoDecodeAccelerator(
+        gfx::GLSurfaceEGL::GetHardwareDisplay(),
+        stub_->decoder()->GetGLContext()->GetHandle(),
+        this,
+        make_context_current_));
+  }
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
   gfx::GLContextGLX* glx_context =
       static_cast<gfx::GLContextGLX*>(stub_->decoder()->GetGLContext());
   GLXContext glx_context_handle =
       static_cast<GLXContext>(glx_context->GetHandle());
   video_decode_accelerator_.reset(new VaapiVideoDecodeAccelerator(
       glx_context->display(), glx_context_handle, this,
       make_context_current_));
 #elif defined(OS_MACOSX)
   video_decode_accelerator_.reset(new MacVideoDecodeAccelerator(
@@ skipping 107 matching lines @@
   if (stub_) {
     stub_->RemoveDestructionObserver(this);
     stub_.reset();
   }
 }
 
 bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) {
   DCHECK(sender_);
   return sender_->Send(message);
 }