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-rw-r--r--webrtc/common_video/interface/video_frame_buffer.h157
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diff --git a/webrtc/common_video/interface/video_frame_buffer.h b/webrtc/common_video/interface/video_frame_buffer.h
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--- a/webrtc/common_video/interface/video_frame_buffer.h
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@@ -1,157 +0,0 @@
-/*
- * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_VIDEO_FRAME_BUFFER_H_
-#define WEBRTC_VIDEO_FRAME_BUFFER_H_
-
-#include "webrtc/base/callback.h"
-#include "webrtc/base/refcount.h"
-#include "webrtc/base/scoped_ptr.h"
-#include "webrtc/base/scoped_ref_ptr.h"
-#include "webrtc/system_wrappers/include/aligned_malloc.h"
-
-namespace webrtc {
-
-enum PlaneType {
- kYPlane = 0,
- kUPlane = 1,
- kVPlane = 2,
- kNumOfPlanes = 3,
-};
-
-// Interface of a simple frame buffer containing pixel data. This interface does
-// not contain any frame metadata such as rotation, timestamp, pixel_width, etc.
-class VideoFrameBuffer : public rtc::RefCountInterface {
- public:
- // Returns true if this buffer has a single exclusive owner.
- virtual bool HasOneRef() const = 0;
-
- // The resolution of the frame in pixels. For formats where some planes are
- // subsampled, this is the highest-resolution plane.
- virtual int width() const = 0;
- virtual int height() const = 0;
-
- // Returns pointer to the pixel data for a given plane. The memory is owned by
- // the VideoFrameBuffer object and must not be freed by the caller.
- virtual const uint8_t* data(PlaneType type) const = 0;
-
- // Non-const data access is disallowed by default. You need to make sure you
- // have exclusive access and a writable buffer before calling this function.
- virtual uint8_t* MutableData(PlaneType type);
-
- // Returns the number of bytes between successive rows for a given plane.
- virtual int stride(PlaneType type) const = 0;
-
- // Return the handle of the underlying video frame. This is used when the
- // frame is backed by a texture.
- virtual void* native_handle() const = 0;
-
- // Returns a new memory-backed frame buffer converted from this buffer's
- // native handle.
- virtual rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() = 0;
-
- protected:
- virtual ~VideoFrameBuffer();
-};
-
-// Plain I420 buffer in standard memory.
-class I420Buffer : public VideoFrameBuffer {
- public:
- I420Buffer(int width, int height);
- I420Buffer(int width, int height, int stride_y, int stride_u, int stride_v);
-
- int width() const override;
- int height() const override;
- const uint8_t* data(PlaneType type) const override;
- // Non-const data access is only allowed if HasOneRef() is true to protect
- // against unexpected overwrites.
- uint8_t* MutableData(PlaneType type) override;
- int stride(PlaneType type) const override;
- void* native_handle() const override;
- rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() override;
-
- protected:
- ~I420Buffer() override;
-
- private:
- const int width_;
- const int height_;
- const int stride_y_;
- const int stride_u_;
- const int stride_v_;
- const rtc::scoped_ptr<uint8_t, AlignedFreeDeleter> data_;
-};
-
-// Base class for native-handle buffer is a wrapper around a |native_handle|.
-// This is used for convenience as most native-handle implementations can share
-// many VideoFrame implementations, but need to implement a few others (such
-// as their own destructors or conversion methods back to software I420).
-class NativeHandleBuffer : public VideoFrameBuffer {
- public:
- NativeHandleBuffer(void* native_handle, int width, int height);
-
- int width() const override;
- int height() const override;
- const uint8_t* data(PlaneType type) const override;
- int stride(PlaneType type) const override;
- void* native_handle() const override;
-
- protected:
- void* native_handle_;
- const int width_;
- const int height_;
-};
-
-class WrappedI420Buffer : public webrtc::VideoFrameBuffer {
- public:
- WrappedI420Buffer(int width,
- int height,
- const uint8_t* y_plane,
- int y_stride,
- const uint8_t* u_plane,
- int u_stride,
- const uint8_t* v_plane,
- int v_stride,
- const rtc::Callback0<void>& no_longer_used);
- int width() const override;
- int height() const override;
-
- const uint8_t* data(PlaneType type) const override;
-
- int stride(PlaneType type) const override;
- void* native_handle() const override;
-
- rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() override;
-
- private:
- friend class rtc::RefCountedObject<WrappedI420Buffer>;
- ~WrappedI420Buffer() override;
-
- const int width_;
- const int height_;
- const uint8_t* const y_plane_;
- const uint8_t* const u_plane_;
- const uint8_t* const v_plane_;
- const int y_stride_;
- const int u_stride_;
- const int v_stride_;
- rtc::Callback0<void> no_longer_used_cb_;
-};
-
-// Helper function to crop |buffer| without making a deep copy. May only be used
-// for non-native frames.
-rtc::scoped_refptr<VideoFrameBuffer> ShallowCenterCrop(
- const rtc::scoped_refptr<VideoFrameBuffer>& buffer,
- int cropped_width,
- int cropped_height);
-
-} // namespace webrtc
-
-#endif // WEBRTC_VIDEO_FRAME_BUFFER_H_