00b8f6b364
BUG= R=andrew@webrtc.org Review URL: https://webrtc-codereview.appspot.com/36229004 Cr-Commit-Position: refs/heads/master@{#8517} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8517 4adac7df-926f-26a2-2b94-8c16560cd09d
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/*
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* Copyright (c) 2013 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 WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_WPD_NODE_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_WPD_NODE_H_
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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class FIRFilter;
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// A single node of a Wavelet Packet Decomposition (WPD) tree.
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class WPDNode {
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public:
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// Creates a WPDNode. The data vector will contain zeros. The filter will have
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// the coefficients provided.
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WPDNode(size_t length, const float* coefficients, size_t coefficients_length);
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~WPDNode();
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// Updates the node data. |parent_data| / 2 must be equals to |length_|.
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// Returns 0 if correct, and -1 otherwise.
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int Update(const float* parent_data, size_t parent_data_length);
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const float* data() const { return data_.get(); }
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// Returns 0 if correct, and -1 otherwise.
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int set_data(const float* new_data, size_t length);
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size_t length() const { return length_; }
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private:
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rtc::scoped_ptr<float[]> data_;
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size_t length_;
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rtc::scoped_ptr<FIRFilter> filter_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_TRANSIENT_WPD_NODE_H_
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