content/common/gpu/media/vaapi_tfp_picture.h

   1 // Copyright 2014 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 // This file contains an implementation of picture allocation for the
   6 // X11 window system used by VaapiVideoDecodeAccelerator to produce
   7 // output pictures.
   8
   9 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_TFP_PICTURE_H_
  10 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_TFP_PICTURE_H_
  11
  12 #include "base/callback.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "content/common/gpu/media/vaapi_picture.h"
  15 #include "ui/gfx/geometry/size.h"
  16 #include "ui/gl/gl_bindings.h"
  17
  18 namespace gfx {
  19 class GLImageGLX;
  20 class GLContextGLX;
  21 }
  22
  23 namespace content {
  24
  25 class VaapiWrapper;
  26
  27 // Implementation of VaapiPicture for the X11 backed chromium.
  28 class VaapiTFPPicture : public VaapiPicture {
  29  public:
  30   VaapiTFPPicture(VaapiWrapper* vaapi_wrapper,
  31                   const base::Callback<bool(void)> make_context_current,
  32                   int32 picture_buffer_id,
  33                   uint32 texture_id,
  34                   const gfx::Size& size);
  35
  36   ~VaapiTFPPicture() override;
  37
  38   bool Initialize() override;
  39
  40   bool DownloadFromSurface(const scoped_refptr<VASurface>& va_surface) override;
  41
  42  private:
  43   VaapiWrapper* vaapi_wrapper_;  // Not owned.
  44
  45   base::Callback<bool(void)> make_context_current_;
  46   Display* x_display_;
  47
  48   Pixmap x_pixmap_;
  49   scoped_refptr<gfx::GLImageGLX> glx_image_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(VaapiTFPPicture);
  52 };
  53
  54 }  // namespace content
  55
  56 #endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_TFP_PICTURE_H_