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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 
13 namespace media {
14 
15 // A picture buffer that is composed of a GLES2 texture.
16 // This is the media-namespace equivalent of PP_PictureBuffer_Dev.
17 class 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.
id()26   int32 id() const {
27     return id_;
28   }
29 
30   // Returns the size of the buffer.
size()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.
texture_id()38   uint32 texture_id() const {
39     return texture_id_;
40   }
41 
texture_mailbox()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.
55 class 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.
picture_buffer_id()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.
bitstream_buffer_id()65   int32 bitstream_buffer_id() const {
66     return bitstream_buffer_id_;
67   }
68 
set_bitstream_buffer_id(int32 bitstream_buffer_id)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