Index: content/common/gpu/media/vaapi_picture.h |
diff --git a/content/common/gpu/media/vaapi_picture.h b/content/common/gpu/media/vaapi_picture.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..fdb7a7e98d32ad9c8c1f19fd99a98680055356a4 |
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+++ b/content/common/gpu/media/vaapi_picture.h |
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+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+// |
+// This file contains an interface of output pictures for the Vaapi |
+// video decoder. This is implemented by different window system |
+// (X11/Ozone) and used by VaapiVideoDecodeAccelerator to produce |
+// output pictures. |
+ |
+#ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_H_ |
+#define CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_H_ |
+ |
+#include "base/callback.h" |
+#include "base/memory/linked_ptr.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/threading/non_thread_safe.h" |
+#include "ui/gfx/size.h" |
+ |
+namespace content { |
+ |
+class VASurface; |
+class VaapiWrapper; |
+ |
+// Picture is native pixmap abstraction (X11/Ozone). |
+class VaapiPicture : public base::NonThreadSafe { |
+ public: |
+ virtual ~VaapiPicture() {} |
+ |
+ // Try to allocate the underlying resources for the picture. |
+ virtual bool Initialize() = 0; |
+ |
+ int32 picture_buffer_id() const { return picture_buffer_id_; } |
+ uint32 texture_id() const { return texture_id_; } |
+ const gfx::Size& size() const { return size_; } |
+ |
+ // Downloads the |va_surface| into the picture, potentially scaling |
+ // it if needed. |
+ virtual bool DownloadFromSurface( |
+ const scoped_refptr<VASurface>& va_surface) = 0; |
+ |
+ // Create a VaapiPicture of |size| to be associated with |
+ // |picture_buffer_id| and bound to |texture_id|. |
+ // |make_context_current| is provided for the GL operations. |
+ static linked_ptr<VaapiPicture> CreatePicture( |
+ const scoped_refptr<VaapiWrapper>& vaapi_wrapper, |
+ const base::Callback<bool(void)> make_context_current, |
+ int32 picture_buffer_id, |
+ uint32 texture_id, |
+ const gfx::Size& size); |
+ |
+ // Get the texture target used to bind EGLImages (either |
+ // GL_TEXTURE_2D on X11 or GL_TEXTURE_EXTERNAL_OES on DRM). |
+ static uint32 GetGLTextureTarget(); |
+ |
+ protected: |
+ VaapiPicture(int32 picture_buffer_id, |
+ uint32 texture_id, |
+ const gfx::Size& size) |
+ : picture_buffer_id_(picture_buffer_id), |
+ texture_id_(texture_id), |
+ size_(size) {} |
+ |
+ private: |
+ int32 picture_buffer_id_; |
+ uint32 texture_id_; |
+ gfx::Size size_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(VaapiPicture); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_H_ |