Migrate content/common/gpu/media code to media/gpu

content/common/gpu/media/vt_video_decode_accelerator_mac.h

Index: content/common/gpu/media/vt_video_decode_accelerator_mac.h
diff --git a/content/common/gpu/media/vt_video_decode_accelerator_mac.h b/content/common/gpu/media/vt_video_decode_accelerator_mac.h
deleted file mode 100644
index 932a6523223fbb6316fe457d2b32f9dbcf3624ba..0000000000000000000000000000000000000000
--- a/content/common/gpu/media/vt_video_decode_accelerator_mac.h
+++ /dev/null
@@ -1,279 +0,0 @@
-// Copyright 2014 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_VT_VIDEO_DECODE_ACCELERATOR_H_
-#define CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_
-
-#include <stdint.h>
-
-#include <map>
-#include <queue>
-
-#include "base/mac/scoped_cftyperef.h"
-#include "base/macros.h"
-#include "base/memory/linked_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/threading/thread.h"
-#include "base/threading/thread_checker.h"
-#include "content/common/gpu/media/gpu_video_decode_accelerator_helpers.h"
-#include "content/common/gpu/media/vt_mac.h"
-#include "media/filters/h264_parser.h"
-#include "media/video/h264_poc.h"
-#include "media/video/video_decode_accelerator.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gl/gl_context_cgl.h"
-#include "ui/gl/gl_image_io_surface.h"
-
-namespace content {
-
-// Preload VideoToolbox libraries, needed for sandbox warmup.
-bool InitializeVideoToolbox();
-
-// VideoToolbox.framework implementation of the VideoDecodeAccelerator
-// interface for Mac OS X (currently limited to 10.9+).
-class VTVideoDecodeAccelerator : public media::VideoDecodeAccelerator {
- public:
-  explicit VTVideoDecodeAccelerator(
-      const MakeGLContextCurrentCallback& make_context_current_cb,
-      const BindGLImageCallback& bind_image_cb);
-
-  ~VTVideoDecodeAccelerator() override;
-
-  // VideoDecodeAccelerator implementation.
-  bool Initialize(const Config& config, Client* client) override;
-  void Decode(const media::BitstreamBuffer& bitstream) override;
-  void AssignPictureBuffers(
-      const std::vector<media::PictureBuffer>& pictures) override;
-  void ReusePictureBuffer(int32_t picture_id) override;
-  void Flush() override;
-  void Reset() override;
-  void Destroy() override;
-  bool TryToSetupDecodeOnSeparateThread(
-      const base::WeakPtr<Client>& decode_client,
-      const scoped_refptr<base::SingleThreadTaskRunner>& decode_task_runner)
-      override;
-
-  // Called by OutputThunk() when VideoToolbox finishes decoding a frame.
-  void Output(
-      void* source_frame_refcon,
-      OSStatus status,
-      CVImageBufferRef image_buffer);
-
-  static media::VideoDecodeAccelerator::SupportedProfiles
-      GetSupportedProfiles();
-
- private:
-  // Logged to UMA, so never reuse values. Make sure to update
-  // VTVDASessionFailureType in histograms.xml to match.
-  enum VTVDASessionFailureType {
-    SFT_SUCCESSFULLY_INITIALIZED = 0,
-    SFT_PLATFORM_ERROR = 1,
-    SFT_INVALID_STREAM = 2,
-    SFT_UNSUPPORTED_STREAM_PARAMETERS = 3,
-    SFT_DECODE_ERROR = 4,
-    SFT_UNSUPPORTED_STREAM = 5,
-    // Must always be equal to largest entry logged.
-    SFT_MAX = SFT_UNSUPPORTED_STREAM
-  };
-
-  enum State {
-    STATE_DECODING,
-    STATE_ERROR,
-    STATE_DESTROYING,
-  };
-
-  enum TaskType {
-    TASK_FRAME,
-    TASK_FLUSH,
-    TASK_RESET,
-    TASK_DESTROY,
-  };
-
-  struct Frame {
-    explicit Frame(int32_t bitstream_id);
-    ~Frame();
-
-    // ID of the bitstream buffer this Frame will be decoded from.
-    int32_t bitstream_id;
-
-    // Relative presentation order of this frame (see AVC spec).
-    int32_t pic_order_cnt;
-
-    // Whether this frame is an IDR.
-    bool is_idr;
-
-    // Number of frames after this one in decode order that can appear before
-    // before it in presentation order.
-    int32_t reorder_window;
-
-    // Size of the decoded frame.
-    // TODO(sandersd): visible_rect.
-    gfx::Size coded_size;
-
-    // VideoToolbox decoded image, if decoding was successful.
-    base::ScopedCFTypeRef<CVImageBufferRef> image;
-  };
-
-  struct Task {
-    Task(TaskType type);
-    Task(const Task& other);
-    ~Task();
-
-    TaskType type;
-    linked_ptr<Frame> frame;
-  };
-
-  struct PictureInfo {
-    PictureInfo(uint32_t client_texture_id, uint32_t service_texture_id);
-    ~PictureInfo();
-
-    // Image buffer, kept alive while they are bound to pictures.
-    base::ScopedCFTypeRef<CVImageBufferRef> cv_image;
-
-    // The GLImage representation of |cv_image|. This is kept around to ensure
-    // that Destroy is called on it before it hits its destructor (there is a
-    // DCHECK that requires this).
-    scoped_refptr<gl::GLImageIOSurface> gl_image;
-
-    // Texture IDs for the image buffer.
-    const uint32_t client_texture_id;
-    const uint32_t service_texture_id;
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(PictureInfo);
-  };
-
-  //
-  // Methods for interacting with VideoToolbox. Run on |decoder_thread_|.
-  //
-
-  // Compute the |pic_order_cnt| for a frame. Returns true or calls
-  // NotifyError() before returning false.
-  bool ComputePicOrderCnt(
-      const media::H264SPS* sps,
-      const media::H264SliceHeader& slice_hdr,
-      Frame* frame);
-
-  // Set up VideoToolbox using the current SPS and PPS. Returns true or calls
-  // NotifyError() before returning false.
-  bool ConfigureDecoder();
-
-  // Wait for VideoToolbox to output all pending frames. Returns true or calls
-  // NotifyError() before returning false.
-  bool FinishDelayedFrames();
-
-  // |frame| is owned by |pending_frames_|.
-  void DecodeTask(const media::BitstreamBuffer&, Frame* frame);
-  void DecodeDone(Frame* frame);
-
-  //
-  // Methods for interacting with |client_|. Run on |gpu_task_runner_|.
-  //
-  void NotifyError(
-      Error vda_error_type,
-      VTVDASessionFailureType session_failure_type);
-
-  // |type| is the type of task that the flush will complete, one of TASK_FLUSH,
-  // TASK_RESET, or TASK_DESTROY.
-  void QueueFlush(TaskType type);
-  void FlushTask(TaskType type);
-  void FlushDone(TaskType type);
-
-  // Try to make progress on tasks in the |task_queue_| or sending frames in the
-  // |reorder_queue_|.
-  void ProcessWorkQueues();
-
-  // These methods returns true if a task was completed, false otherwise.
-  bool ProcessTaskQueue();
-  bool ProcessReorderQueue();
-  bool ProcessFrame(const Frame& frame);
-  bool SendFrame(const Frame& frame);
-
-  //
-  // GPU thread state.
-  //
-  MakeGLContextCurrentCallback make_context_current_cb_;
-  BindGLImageCallback bind_image_cb_;
-
-  media::VideoDecodeAccelerator::Client* client_;
-  State state_;
-
-  // Queue of pending flush tasks. This is used to drop frames when a reset
-  // is pending.
-  std::queue<TaskType> pending_flush_tasks_;
-
-  // Queue of tasks to complete in the GPU thread.
-  std::queue<Task> task_queue_;
-
-  // Utility class to define the order of frames in the reorder queue.
-  struct FrameOrder {
-    bool operator()(
-        const linked_ptr<Frame>& lhs,
-        const linked_ptr<Frame>& rhs) const;
-  };
-
-  // Queue of decoded frames in presentation order.
-  std::priority_queue<linked_ptr<Frame>,
-                      std::vector<linked_ptr<Frame>>,
-                      FrameOrder> reorder_queue_;
-
-  // Size of assigned picture buffers.
-  gfx::Size picture_size_;
-
-  // Frames that have not yet been decoded, keyed by bitstream ID; maintains
-  // ownership of Frame objects while they flow through VideoToolbox.
-  std::map<int32_t, linked_ptr<Frame>> pending_frames_;
-
-  // Set of assigned bitstream IDs, so that Destroy() can release them all.
-  std::set<int32_t> assigned_bitstream_ids_;
-
-  // All picture buffers assigned to us. Used to check if reused picture buffers
-  // should be added back to the available list or released. (They are not
-  // released immediately because we need the reuse event to free the binding.)
-  std::set<int32_t> assigned_picture_ids_;
-
-  // Texture IDs and image buffers of assigned pictures.
-  std::map<int32_t, std::unique_ptr<PictureInfo>> picture_info_map_;
-
-  // Pictures ready to be rendered to.
-  std::vector<int32_t> available_picture_ids_;
-
-  //
-  // Decoder thread state.
-  //
-  VTDecompressionOutputCallbackRecord callback_;
-  base::ScopedCFTypeRef<CMFormatDescriptionRef> format_;
-  base::ScopedCFTypeRef<VTDecompressionSessionRef> session_;
-  media::H264Parser parser_;
-  gfx::Size coded_size_;
-
-  int last_sps_id_;
-  std::vector<uint8_t> last_sps_;
-  std::vector<uint8_t> last_spsext_;
-  int last_pps_id_;
-  std::vector<uint8_t> last_pps_;
-  bool config_changed_;
-  bool waiting_for_idr_;
-  bool missing_idr_logged_;
-  media::H264POC poc_;
-
-  //
-  // Shared state (set up and torn down on GPU thread).
-  //
-  scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner_;
-  base::ThreadChecker gpu_thread_checker_;
-  base::WeakPtr<VTVideoDecodeAccelerator> weak_this_;
-  base::Thread decoder_thread_;
-
-  // Declared last to ensure that all weak pointers are invalidated before
-  // other destructors run.
-  base::WeakPtrFactory<VTVideoDecodeAccelerator> weak_this_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(VTVideoDecodeAccelerator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_