d617a44a4f
- Transition scoped_ptr_mallocs to scoped_ptr. - AlignedFreeDeleter matches Chromium's version. TESTED=try bots R=turaj@webrtc.org Review URL: https://webrtc-codereview.appspot.com/8969005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5587 4adac7df-926f-26a2-2b94-8c16560cd09d
76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef COMMON_VIDEO_PLANE_H
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#define COMMON_VIDEO_PLANE_H
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#include "webrtc/system_wrappers/interface/aligned_malloc.h"
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#include "webrtc/system_wrappers/interface/scoped_ptr.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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// Helper class for I420VideoFrame: Store plane data and perform basic plane
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// operations.
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class Plane {
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public:
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Plane();
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~Plane();
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// CreateEmptyPlane - set allocated size, actual plane size and stride:
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// If current size is smaller than current size, then a buffer of sufficient
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// size will be allocated.
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// Return value: 0 on success ,-1 on error.
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int CreateEmptyPlane(int allocated_size, int stride, int plane_size);
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// Copy the entire plane data.
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// Return value: 0 on success ,-1 on error.
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int Copy(const Plane& plane);
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// Copy buffer: If current size is smaller
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// than current size, then a buffer of sufficient size will be allocated.
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// Return value: 0 on success ,-1 on error.
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int Copy(int size, int stride, const uint8_t* buffer);
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// Swap plane data.
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void Swap(Plane& plane);
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// Get allocated size.
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int allocated_size() const {return allocated_size_;}
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// Set actual size.
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void ResetSize() {plane_size_ = 0;}
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// Return true is plane size is zero, false if not.
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bool IsZeroSize() const {return plane_size_ == 0;}
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// Get stride value.
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int stride() const {return stride_;}
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// Return data pointer.
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const uint8_t* buffer() const {return buffer_.get();}
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// Overloading with non-const.
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uint8_t* buffer() {return buffer_.get();}
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private:
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// Resize when needed: If current allocated size is less than new_size, buffer
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// will be updated. Old data will be copied to new buffer.
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// Return value: 0 on success ,-1 on error.
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int MaybeResize(int new_size);
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scoped_ptr<uint8_t, AlignedFreeDeleter> buffer_;
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int allocated_size_;
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int plane_size_;
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int stride_;
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}; // Plane
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} // namespace webrtc
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#endif // COMMON_VIDEO_PLANE_H
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