content/common/gpu/media add platform suffix to some files (cleanup)

content/common/gpu/media/dxva_video_decode_accelerator.h

-// 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.
-
-#ifndef CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
-#define CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
-
-#include <d3d11.h>
-#include <d3d9.h>
-// Work around bug in this header by disabling the relevant warning for it.
-// https://connect.microsoft.com/VisualStudio/feedback/details/911260/dxva2api-h-in-win8-sdk-triggers-c4201-with-w4
-#pragma warning(push)
-#pragma warning(disable:4201)
-#include <dxva2api.h>
-#pragma warning(pop)
-#include <list>
-#include <map>
-#include <mfidl.h>
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/linked_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/synchronization/lock.h"
-#include "base/threading/non_thread_safe.h"
-#include "base/threading/thread.h"
-#include "base/win/scoped_comptr.h"
-#include "content/common/content_export.h"
-#include "media/video/video_decode_accelerator.h"
-
-interface IMFSample;
-interface IDirect3DSurface9;
-
-namespace gfx {
-class GLContext;
-}
-
-typedef HRESULT (WINAPI* CreateDXGIDeviceManager)(
-    UINT* reset_token,
-    IMFDXGIDeviceManager** device_manager);
-
-namespace content {
-
-// Class to provide a DXVA 2.0 based accelerator using the Microsoft Media
-// foundation APIs via the VideoDecodeAccelerator interface.
-// This class lives on a single thread and DCHECKs that it is never accessed
-// from any other.
-class CONTENT_EXPORT DXVAVideoDecodeAccelerator
-    : public media::VideoDecodeAccelerator {
- public:
-  enum State {
-    kUninitialized,               // un-initialized.
-    kNormal,                      // normal playing state.
-    kResetting,                   // upon received Reset(), before ResetDone()
-    kStopped,                     // upon output EOS received.
-    kFlushing,                    // upon flush request received.
-  };
-
-  // Does not take ownership of |client| which must outlive |*this|.
-  explicit DXVAVideoDecodeAccelerator(
-      const base::Callback<bool(void)>& make_context_current,
-      gfx::GLContext* gl_context);
-  ~DXVAVideoDecodeAccelerator() override;
-
-  // media::VideoDecodeAccelerator implementation.
-  bool Initialize(media::VideoCodecProfile profile,
-                  Client* client) override;
-  void Decode(const media::BitstreamBuffer& bitstream_buffer) override;
-  void AssignPictureBuffers(
-      const std::vector<media::PictureBuffer>& buffers) override;
-  void ReusePictureBuffer(int32 picture_buffer_id) override;
-  void Flush() override;
-  void Reset() override;
-  void Destroy() override;
-  bool CanDecodeOnIOThread() override;
-  GLenum GetSurfaceInternalFormat() const override;
-
-  static media::VideoDecodeAccelerator::SupportedProfiles
-      GetSupportedProfiles();
-
-  // Preload dlls required for decoding.
-  static void PreSandboxInitialization();
-
- private:
-  typedef void* EGLConfig;
-  typedef void* EGLSurface;
-
-  // Creates and initializes an instance of the D3D device and the
-  // corresponding device manager. The device manager instance is eventually
-  // passed to the IMFTransform interface implemented by the decoder.
-  bool CreateD3DDevManager();
-
-  // Creates and initializes an instance of the DX11 device and the
-  // corresponding device manager. The device manager instance is eventually
-  // passed to the IMFTransform interface implemented by the decoder.
-  bool CreateDX11DevManager();
-
-  // Creates, initializes and sets the media codec types for the decoder.
-  bool InitDecoder(media::VideoCodecProfile profile);
-
-  // Validates whether the decoder supports hardware video acceleration.
-  bool CheckDecoderDxvaSupport();
-
-  // Returns information about the input and output streams. This includes
-  // alignment information, decoder support flags, minimum sample size, etc.
-  bool GetStreamsInfoAndBufferReqs();
-
-  // Registers the input and output media types on the decoder. This includes
-  // the expected input and output formats.
-  bool SetDecoderMediaTypes();
-
-  // Registers the input media type for the decoder.
-  bool SetDecoderInputMediaType();
-
-  // Registers the output media type for the decoder.
-  bool SetDecoderOutputMediaType(const GUID& subtype);
-
-  // Passes a command message to the decoder. This includes commands like
-  // start of stream, end of stream, flush, drain the decoder, etc.
-  bool SendMFTMessage(MFT_MESSAGE_TYPE msg, int32 param);
-
-  // The bulk of the decoding happens here. This function handles errors,
-  // format changes and processes decoded output.
-  void DoDecode();
-
-  // Invoked when we have a valid decoded output sample. Retrieves the D3D
-  // surface and maintains a copy of it which is passed eventually to the
-  // client when we have a picture buffer to copy the surface contents to.
-  bool ProcessOutputSample(IMFSample* sample);
-
-  // Processes pending output samples by copying them to available picture
-  // slots.
-  void ProcessPendingSamples();
-
-  // Helper function to notify the accelerator client about the error.
-  void StopOnError(media::VideoDecodeAccelerator::Error error);
-
-  // Transitions the decoder to the uninitialized state. The decoder will stop
-  // accepting requests in this state.
-  void Invalidate();
-
-  // Notifies the client that the input buffer identifed by input_buffer_id has
-  // been processed.
-  void NotifyInputBufferRead(int input_buffer_id);
-
-  // Notifies the client that the decoder was flushed.
-  void NotifyFlushDone();
-
-  // Notifies the client that the decoder was reset.
-  void NotifyResetDone();
-
-  // Requests picture buffers from the client.
-  void RequestPictureBuffers(int width, int height);
-
-  // Notifies the client about the availability of a picture.
-  void NotifyPictureReady(int picture_buffer_id,
-                          int input_buffer_id);
-
-  // Sends pending input buffer processed acks to the client if we don't have
-  // output samples waiting to be processed.
-  void NotifyInputBuffersDropped();
-
-  // Decodes pending input buffers.
-  void DecodePendingInputBuffers();
-
-  // Helper for handling the Flush operation.
-  void FlushInternal();
-
-  // Helper for handling the Decode operation.
-  void DecodeInternal(const base::win::ScopedComPtr<IMFSample>& input_sample);
-
-  // Handles mid stream resolution changes.
-  void HandleResolutionChanged(int width, int height);
-
-  struct DXVAPictureBuffer;
-  typedef std::map<int32, linked_ptr<DXVAPictureBuffer> > OutputBuffers;
-
-  // Tells the client to dismiss the stale picture buffers passed in.
-  void DismissStaleBuffers();
-
-  // Called after the client indicates we can recycle a stale picture buffer.
-  void DeferredDismissStaleBuffer(int32 picture_buffer_id);
-
-  // Sets the state of the decoder. Called from the main thread and the decoder
-  // thread. The state is changed on the main thread.
-  void SetState(State state);
-
-  // Gets the state of the decoder. Can be called from the main thread and
-  // the decoder thread. Thread safe.
-  State GetState();
-
-  // Worker function for the Decoder Reset functionality. Executes on the
-  // decoder thread and queues tasks on the main thread as needed.
-  void ResetHelper();
-
-  // Starts the thread used for decoding.
-  void StartDecoderThread();
-
-  // Returns if we have output samples waiting to be processed. We only
-  // allow one output sample to be present in the output queue at any given
-  // time.
-  bool OutputSamplesPresent();
-
-  // Copies the source surface |src_surface| to the destination |dest_surface|.
-  // The copying is done on the decoder thread.
-  void CopySurface(IDirect3DSurface9* src_surface,
-                   IDirect3DSurface9* dest_surface,
-                   int picture_buffer_id,
-                   int input_buffer_id);
-
-  // This is a notification that the source surface |src_surface| was copied to
-  // the destination |dest_surface|. Received on the main thread.
-  void CopySurfaceComplete(IDirect3DSurface9* src_surface,
-                           IDirect3DSurface9* dest_surface,
-                           int picture_buffer_id,
-                           int input_buffer_id);
-
-  // Copies the source texture |src_texture| to the destination |dest_texture|.
-  // The copying is done on the decoder thread. The |video_frame| parameter
-  // is the sample containing the frame to be copied.
-  void CopyTexture(ID3D11Texture2D* src_texture,
-                   ID3D11Texture2D* dest_texture,
-                   IMFSample* video_frame,
-                   int picture_buffer_id,
-                   int input_buffer_id);
-
-  // Flushes the decoder device to ensure that the decoded surface is copied
-  // to the target surface. |iterations| helps to maintain an upper limit on
-  // the number of times we try to complete the flush operation.
-  void FlushDecoder(int iterations,
-                    IDirect3DSurface9* src_surface,
-                    IDirect3DSurface9* dest_surface,
-                    int picture_buffer_id,
-                    int input_buffer_id);
-
-  // Initializes the DX11 Video format converter media types.
-  // Returns true on success.
-  bool InitializeDX11VideoFormatConverterMediaType(int width, int height);
-
-  // Returns the output video frame dimensions (width, height).
-  // |sample| :- This is the output sample containing the video frame.
-  // |width| :- The width is returned here.
-  // |height| :- The height is returned here.
-  // Returns true on success.
-  bool GetVideoFrameDimensions(IMFSample* sample, int* width, int* height);
-
-  // To expose client callbacks from VideoDecodeAccelerator.
-  media::VideoDecodeAccelerator::Client* client_;
-
-  base::win::ScopedComPtr<IMFTransform> decoder_;
-  base::win::ScopedComPtr<IMFTransform> video_format_converter_mft_;
-
-  base::win::ScopedComPtr<IDirect3D9Ex> d3d9_;
-  base::win::ScopedComPtr<IDirect3DDevice9Ex> d3d9_device_ex_;
-  base::win::ScopedComPtr<IDirect3DDeviceManager9> device_manager_;
-  base::win::ScopedComPtr<IDirect3DQuery9> query_;
-
-  base::win::ScopedComPtr<ID3D11DeviceContext> d3d11_device_context_;
-  base::win::ScopedComPtr<ID3D11Device > d3d11_device_;
-  base::win::ScopedComPtr<IMFDXGIDeviceManager> d3d11_device_manager_;
-  base::win::ScopedComPtr<ID3D11Query> d3d11_query_;
-  base::win::ScopedComPtr<ID3D10Multithread> multi_threaded_;
-
-  // Ideally the reset token would be a stack variable which is used while
-  // creating the device manager. However it seems that the device manager
-  // holds onto the token and attempts to access it if the underlying device
-  // changes.
-  // TODO(ananta): This needs to be verified.
-  uint32 dev_manager_reset_token_;
-
-  // Reset token for the DX11 device manager.
-  uint32 dx11_dev_manager_reset_token_;
-
-  uint32 dx11_dev_manager_reset_token_format_conversion_;
-
-  // The EGL config to use for decoded frames.
-  EGLConfig egl_config_;
-
-  // Current state of the decoder.
-  volatile State state_;
-
-  MFT_INPUT_STREAM_INFO input_stream_info_;
-  MFT_OUTPUT_STREAM_INFO output_stream_info_;
-
-  // Contains information about a decoded sample.
-  struct PendingSampleInfo {
-    PendingSampleInfo(int32 buffer_id, IMFSample* sample);
-    ~PendingSampleInfo();
-
-    int32 input_buffer_id;
-
-    // The target picture buffer id where the frame would be copied to.
-    // Defaults to -1.
-    int picture_buffer_id;
-
-    base::win::ScopedComPtr<IMFSample> output_sample;
-  };
-
-  typedef std::list<PendingSampleInfo> PendingOutputSamples;
-
-  // List of decoded output samples. Protected by |decoder_lock_|.
-  PendingOutputSamples pending_output_samples_;
-
-  // This map maintains the picture buffers passed the client for decoding.
-  // The key is the picture buffer id.
-  OutputBuffers output_picture_buffers_;
-
-  // After a resolution change there may be a few output buffers which have yet
-  // to be displayed so they cannot be dismissed immediately. We move them from
-  // |output_picture_buffers_| to this map so they may be dismissed once they
-  // become available.
-  OutputBuffers stale_output_picture_buffers_;
-
-  // Set to true if we requested picture slots from the client.
-  bool pictures_requested_;
-
-  // Counter which holds the number of input packets before a successful
-  // decode.
-  int inputs_before_decode_;
-
-  // Set to true when the drain message is sent to the decoder during a flush
-  // operation. Used to ensure the message is only sent once after
-  // |pending_input_buffers_| is drained. Protected by |decoder_lock_|.
-  bool sent_drain_message_;
-
-  // List of input samples waiting to be processed.
-  typedef std::list<base::win::ScopedComPtr<IMFSample>> PendingInputs;
-  PendingInputs pending_input_buffers_;
-
-  // Callback to set the correct gl context.
-  base::Callback<bool(void)> make_context_current_;
-
-  // Which codec we are decoding with hardware acceleration.
-  media::VideoCodec codec_;
-  // Thread on which the decoder operations like passing input frames,
-  // getting output frames are performed. One instance of this thread
-  // is created per decoder instance.
-  base::Thread decoder_thread_;
-
-  // Task runner to be used for posting tasks to the decoder thread.
-  scoped_refptr<base::SingleThreadTaskRunner> decoder_thread_task_runner_;
-
-  // Task runner to be used for posting tasks to the main thread.
-  scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
-
-  // Used to synchronize access between the decoder thread and the main thread.
-  base::Lock decoder_lock_;
-
-  // Disallow rebinding WeakReference ownership to a different thread by
-  // keeping a persistent reference. This avoids problems with the
-  // thread safety of reaching into this class from multiple threads to
-  // attain a WeakPtr.
-  base::WeakPtr<DXVAVideoDecodeAccelerator> weak_ptr_;
-
-  // Set to true if we are in the context of a Flush operation. Used to prevent
-  // multiple flush done notifications being sent out.
-  bool pending_flush_;
-
-  // Defaults to false. Indicates if we should use D3D or DX11 interfaces for
-  // H/W decoding.
-  bool use_dx11_;
-
-  // Set to true if the DX11 video format converter input media types need to
-  // be initialized. Defaults to true.
-  bool dx11_video_format_converter_media_type_needs_init_;
-
-  // The GLContext to be used by the decoder.
-  scoped_refptr<gfx::GLContext> gl_context_;
-
-  // Set to true if we are sharing ANGLE's device.
-  bool using_angle_device_;
-
-  // WeakPtrFactory for posting tasks back to |this|.
-  base::WeakPtrFactory<DXVAVideoDecodeAccelerator> weak_this_factory_;
-
-  // Function pointer for the MFCreateDXGIDeviceManager API.
-  static CreateDXGIDeviceManager create_dxgi_device_manager_;
-
-  DISALLOW_COPY_AND_ASSIGN(DXVAVideoDecodeAccelerator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_