1 // Copyright 2017 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_GPU_VAAPI_VAAPI_PICTURE_FACTORY_H_
6 #define MEDIA_GPU_VAAPI_VAAPI_PICTURE_FACTORY_H_
7 
8 #include <stdint.h>
9 
10 #include "base/macros.h"
11 #include "base/memory/ref_counted.h"
12 #include "media/gpu/vaapi/vaapi_picture.h"
13 #include "ui/gfx/geometry/size.h"
14 #include "ui/gl/gl_implementation.h"
15 
16 namespace media {
17 
18 class PictureBuffer;
19 class VaapiWrapper;
20 
21 // Factory of platform dependent VaapiPictures.
22 class MEDIA_GPU_EXPORT VaapiPictureFactory {
23  public:
24   enum VaapiImplementation {
25     kVaapiImplementationNone = 0,
26     kVaapiImplementationDrm,
27     kVaapiImplementationX11
28   };
29 
30   VaapiPictureFactory();
31   virtual ~VaapiPictureFactory();
32 
33   // Creates a VaapiPicture of picture_buffer.size() associated with
34   // picture_buffer.id().
35   virtual std::unique_ptr<VaapiPicture> Create(
36       scoped_refptr<VaapiWrapper> vaapi_wrapper,
37       const MakeGLContextCurrentCallback& make_context_current_cb,
38       const BindGLImageCallback& bind_image_cb,
39       const PictureBuffer& picture_buffer,
40       const gfx::Size& visible_size);
41 
42   // Return the type of the VaapiPicture implementation for the given GL
43   // implementation.
44   VaapiImplementation GetVaapiImplementation(gl::GLImplementation gl_impl);
45 
46   // Gets the texture target used to bind EGLImages (either GL_TEXTURE_2D on X11
47   // or GL_TEXTURE_EXTERNAL_OES on DRM).
48   uint32_t GetGLTextureTarget();
49 
50   // Buffer format to use for output buffers backing PictureBuffers. This is
51   // the format decoded frames in VASurfaces are converted into.
52   gfx::BufferFormat GetBufferFormat();
53 
54  private:
55   DISALLOW_COPY_AND_ASSIGN(VaapiPictureFactory);
56 };
57 
58 }  // namespace media
59 
60 #endif  // MEDIA_GPU_VAAPI_VAAPI_PICTURE_FACTORY_H_
61