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Unified Diff: content/common/gpu/media/android_copying_backing_strategy.h

Issue 1313913003: Begin refactor of AVDA to support zero-copy. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: cl feedback. Created 5 years, 3 months ago
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Index: content/common/gpu/media/android_copying_backing_strategy.h
diff --git a/content/common/gpu/media/android_copying_backing_strategy.h b/content/common/gpu/media/android_copying_backing_strategy.h
new file mode 100644
index 0000000000000000000000000000000000000000..b372ec302ae304eba89d265599ccf27c19ddbeaa
--- /dev/null
+++ b/content/common/gpu/media/android_copying_backing_strategy.h
@@ -0,0 +1,57 @@
+// Copyright 2015 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.
+
+#ifndef CONTENT_COMMON_GPU_MEDIA_ANDROID_COPYING_BACKING_STRATEGY_H_
+#define CONTENT_COMMON_GPU_MEDIA_ANDROID_COPYING_BACKING_STRATEGY_H_
+
+//#include <list>
DaleCurtis 2015/09/14 18:46:21 ?
liberato (no reviews please) 2015/09/14 22:34:53 no idea. done.
+//#include <map>
+//#include <queue>
+//#include <string>
+//#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/threading/thread_checker.h"
+#include "content/common/content_export.h"
+#include "content/common/gpu/media/android_video_decode_accelerator.h"
+
+namespace gpu {
+class CopyTextureCHROMIUMResourceManager;
+}
+
+namespace media {
+class PictureBuffer;
+}
+
+namespace content {
+
+class AndroidVideoDecodeAcceleratorStateProvider;
+
+// A BackingStrategy implementation that copies images to PictureBuffer
+// textures via gpu texture copy.
+class CONTENT_EXPORT AndroidCopyingBackingStrategy
+ : public AndroidVideoDecodeAccelerator::BackingStrategy {
+ public:
+ AndroidCopyingBackingStrategy();
+ ~AndroidCopyingBackingStrategy() override;
+
+ // AndroidVideoDecodeAccelerator::BackingStrategy
+ void SetStateProvider(AndroidVideoDecodeAcceleratorStateProvider*) override;
+ void Cleanup() override;
+ uint32 GetNumPictureBuffers() const override;
+ uint32 GetTextureTarget() const override;
+ void AssignCurrentSurfaceToPictureBuffer(
+ int32 codec_buffer_index,
+ const media::PictureBuffer&) override;
+
+ private:
+ // Used for copy the texture from surface texture to picture buffers.
+ scoped_ptr<gpu::CopyTextureCHROMIUMResourceManager> copier_;
+
+ AndroidVideoDecodeAcceleratorStateProvider* state_provider_;
+};
+
+} // namespace content
+
+#endif // CONTENT_COMMON_GPU_MEDIA_ANDROID_COPYING_BACKING_STRATEGY_H_

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