1// Copyright (c) 2011 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 MEDIA_VIDEO_PICTURE_H_
6#define MEDIA_VIDEO_PICTURE_H_
7
8#include "base/basictypes.h"
9#include "gpu/command_buffer/common/mailbox.h"
10#include "media/base/media_export.h"
11#include "ui/gfx/size.h"
12
13namespace media {
14
15// A picture buffer that is composed of a GLES2 texture.
16// This is the media-namespace equivalent of PP_PictureBuffer_Dev.
17class MEDIA_EXPORT PictureBuffer {
18 public:
19  PictureBuffer(int32 id, gfx::Size size, uint32 texture_id);
20  PictureBuffer(int32 id,
21                gfx::Size size,
22                uint32 texture_id,
23                const gpu::Mailbox& texture_mailbox);
24
25  // Returns the client-specified id of the buffer.
26  int32 id() const {
27    return id_;
28  }
29
30  // Returns the size of the buffer.
31  gfx::Size size() const {
32    return size_;
33  }
34
35  // Returns the id of the texture.
36  // NOTE: The texture id in the renderer process corresponds to a different
37  // texture id in the GPU process.
38  uint32 texture_id() const {
39    return texture_id_;
40  }
41
42  const gpu::Mailbox& texture_mailbox() const {
43    return texture_mailbox_;
44  }
45
46 private:
47  int32 id_;
48  gfx::Size size_;
49  uint32 texture_id_;
50  gpu::Mailbox texture_mailbox_;
51};
52
53// A decoded picture frame.
54// This is the media-namespace equivalent of PP_Picture_Dev.
55class MEDIA_EXPORT Picture {
56 public:
57  Picture(int32 picture_buffer_id, int32 bitstream_buffer_id);
58
59  // Returns the id of the picture buffer where this picture is contained.
60  int32 picture_buffer_id() const {
61    return picture_buffer_id_;
62  }
63
64  // Returns the id of the bitstream buffer from which this frame was decoded.
65  int32 bitstream_buffer_id() const {
66    return bitstream_buffer_id_;
67  }
68
69  void set_bitstream_buffer_id(int32 bitstream_buffer_id) {
70    bitstream_buffer_id_ = bitstream_buffer_id;
71  }
72
73 private:
74  int32 picture_buffer_id_;
75  int32 bitstream_buffer_id_;
76};
77
78}  // namespace media
79
80#endif  // MEDIA_VIDEO_PICTURE_H_
81