1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CONTENT_RENDERER_PEPPER_PPB_VIDEO_DECODER_IMPL_H_
6#define CONTENT_RENDERER_PEPPER_PPB_VIDEO_DECODER_IMPL_H_
7
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "base/memory/ref_counted.h"
11#include "media/video/video_decode_accelerator.h"
12#include "ppapi/c/dev/pp_video_dev.h"
13#include "ppapi/c/dev/ppp_video_decoder_dev.h"
14#include "ppapi/c/pp_var.h"
15#include "ppapi/shared_impl/ppb_video_decoder_shared.h"
16#include "ppapi/shared_impl/resource.h"
17#include "ppapi/thunk/ppb_video_decoder_dev_api.h"
18
19struct PP_PictureBuffer_Dev;
20struct PP_VideoBitstreamBuffer_Dev;
21
22namespace content {
23class PPB_Graphics3D_Impl;
24
25class PPB_VideoDecoder_Impl : public ppapi::PPB_VideoDecoder_Shared,
26                              public media::VideoDecodeAccelerator::Client {
27 public:
28  // See PPB_VideoDecoder_Dev::Create.  Returns 0 on failure to create &
29  // initialize.
30  static PP_Resource Create(PP_Instance instance,
31                            PP_Resource graphics_context,
32                            PP_VideoDecoder_Profile profile);
33
34  // PPB_VideoDecoder_Dev_API implementation.
35  virtual int32_t Decode(const PP_VideoBitstreamBuffer_Dev* bitstream_buffer,
36                         scoped_refptr<ppapi::TrackedCallback> callback)
37      OVERRIDE;
38  virtual void AssignPictureBuffers(uint32_t no_of_buffers,
39                                    const PP_PictureBuffer_Dev* buffers)
40      OVERRIDE;
41  virtual void ReusePictureBuffer(int32_t picture_buffer_id) OVERRIDE;
42  virtual int32_t Flush(scoped_refptr<ppapi::TrackedCallback> callback)
43      OVERRIDE;
44  virtual int32_t Reset(scoped_refptr<ppapi::TrackedCallback> callback)
45      OVERRIDE;
46  virtual void Destroy() OVERRIDE;
47
48  // media::VideoDecodeAccelerator::Client implementation.
49  virtual void ProvidePictureBuffers(uint32 requested_num_of_buffers,
50                                     const gfx::Size& dimensions,
51                                     uint32 texture_target) OVERRIDE;
52  virtual void DismissPictureBuffer(int32 picture_buffer_id) OVERRIDE;
53  virtual void PictureReady(const media::Picture& picture) OVERRIDE;
54  virtual void NotifyError(media::VideoDecodeAccelerator::Error error) OVERRIDE;
55  virtual void NotifyFlushDone() OVERRIDE;
56  virtual void NotifyEndOfBitstreamBuffer(int32 buffer_id) OVERRIDE;
57  virtual void NotifyResetDone() OVERRIDE;
58
59 private:
60  virtual ~PPB_VideoDecoder_Impl();
61
62  explicit PPB_VideoDecoder_Impl(PP_Instance instance);
63  bool Init(PP_Resource graphics_context,
64            PP_VideoDecoder_Profile profile);
65
66  // This is NULL before initialization, and after destruction.
67  // Holds a GpuVideoDecodeAcceleratorHost.
68  scoped_ptr<media::VideoDecodeAccelerator> decoder_;
69
70  // Reference to the plugin requesting this interface.
71  const PPP_VideoDecoder_Dev* ppp_videodecoder_;
72
73  DISALLOW_COPY_AND_ASSIGN(PPB_VideoDecoder_Impl);
74};
75
76}  // namespace content
77
78#endif  // CONTENT_RENDERER_PEPPER_PPB_VIDEO_DECODER_IMPL_H_
79