content gpu refactor: get rid of gpu related content switches.

content/common/gpu/media/gpu_video_encode_accelerator.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ENCODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ENCODE_ACCELERATOR_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_listener.h"
 #include "media/video/video_encode_accelerator.h"
 #include "ui/gfx/geometry/size.h"
 
 struct AcceleratedVideoEncoderMsg_Encode_Params;
 struct AcceleratedVideoEncoderMsg_Encode_Params2;
 
 namespace base {
 class SharedMemory;
 }  // namespace base
 
+namespace gpu {
+struct GpuPreferences;
+}  // namespace gpu
+
 namespace content {
 
 // This class encapsulates the GPU process view of a VideoEncodeAccelerator,
 // wrapping the platform-specific VideoEncodeAccelerator instance.  It handles
 // IPC coming in from the renderer and passes it to the underlying VEA.
 class GpuVideoEncodeAccelerator
     : public IPC::Listener,
       public media::VideoEncodeAccelerator::Client,
       public GpuCommandBufferStub::DestructionObserver {
  public:
@@ skipping 18 matching lines @@
                             size_t payload_size,
                             bool key_frame) override;
   void NotifyError(media::VideoEncodeAccelerator::Error error) override;
 
   // GpuCommandBufferStub::DestructionObserver implementation.
   void OnWillDestroyStub() override;
 
   // Static query for supported profiles.  This query calls the appropriate
   // platform-specific version. The returned supported profiles vector will
   // not contain duplicates.
-  static gpu::VideoEncodeAcceleratorSupportedProfiles GetSupportedProfiles();
+  static gpu::VideoEncodeAcceleratorSupportedProfiles GetSupportedProfiles(
+      const gpu::GpuPreferences& gpu_preferences);
 
  private:
   typedef scoped_ptr<media::VideoEncodeAccelerator>(*CreateVEAFp)();
 
   // Return a set of VEA Create function pointers applicable to the current
   // platform.
-  static std::vector<CreateVEAFp> CreateVEAFps();
+  static std::vector<CreateVEAFp> CreateVEAFps(
+      const gpu::GpuPreferences& gpu_preferences);
+#if defined(OS_CHROMEOS) && defined(USE_V4L2_CODEC)
   static scoped_ptr<media::VideoEncodeAccelerator> CreateV4L2VEA();
+#endif
+#if defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY)
   static scoped_ptr<media::VideoEncodeAccelerator> CreateVaapiVEA();
+#endif
+#if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
   static scoped_ptr<media::VideoEncodeAccelerator> CreateAndroidVEA();
+#endif
 
   // IPC handlers, proxying media::VideoEncodeAccelerator for the renderer
   // process.
   void OnEncode(const AcceleratedVideoEncoderMsg_Encode_Params& params);
   void OnEncode2(const AcceleratedVideoEncoderMsg_Encode_Params2& params);
   void OnUseOutputBitstreamBuffer(int32_t buffer_id,
                                   base::SharedMemoryHandle buffer_handle,
                                   uint32_t buffer_size);
   void OnRequestEncodingParametersChange(uint32_t bitrate, uint32_t framerate);
 
@@ skipping 25 matching lines @@
 
   // Weak pointer for media::VideoFrames that refer back to |this|.
   base::WeakPtrFactory<GpuVideoEncodeAccelerator> weak_this_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuVideoEncodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ENCODE_ACCELERATOR_H_