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ce202a0f98
This is a reland ofa66395e72fOriginal change's description: > Reland "Add core multi-channel pipeline in AEC3 This CL adds basic the basic pipeline to support multi-channel processing in AEC3." > > This is a reland off3a197e553> > Original change's description: > > Add core multi-channel pipeline in AEC3 > > This CL adds basic the basic pipeline to support multi-channel > > processing in AEC3. > > > > Apart from that, it removes the 8 kHz processing support in several > > places of the AEC3 code. > > > > Bug: webrtc:10913 > > Change-Id: If5b75fa325ed0071deea94a7546cb4a7adf22137 > > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/150332 > > Commit-Queue: Per Åhgren <peah@webrtc.org> > > Reviewed-by: Sam Zackrisson <saza@webrtc.org> > > Cr-Commit-Position: refs/heads/master@{#29017} > > Bug: webrtc:10913 > Change-Id: Ifc4b13bd994cfd22dca8f8755fa5700617cc379d > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/151124 > Reviewed-by: Sam Zackrisson <saza@webrtc.org> > Commit-Queue: Per Åhgren <peah@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#29034} Bug: webrtc:10913 Change-Id: Id8da5666df8c86f290c73ad5dc9958199f1a7ebe Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/151127 Commit-Queue: Sam Zackrisson <saza@webrtc.org> Reviewed-by: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29042}
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/*
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* Copyright (c) 2016 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 MODULES_AUDIO_PROCESSING_AEC3_FRAME_BLOCKER_H_
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#define MODULES_AUDIO_PROCESSING_AEC3_FRAME_BLOCKER_H_
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#include <stddef.h>
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#include <vector>
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#include "api/array_view.h"
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#include "modules/audio_processing/aec3/aec3_common.h"
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namespace webrtc {
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// Class for producing 64 sample multiband blocks from frames consisting of 2
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// subframes of 80 samples.
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class FrameBlocker {
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public:
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FrameBlocker(size_t num_bands, size_t num_channels);
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~FrameBlocker();
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FrameBlocker(const FrameBlocker&) = delete;
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FrameBlocker& operator=(const FrameBlocker&) = delete;
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// Inserts one 80 sample multiband subframe from the multiband frame and
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// extracts one 64 sample multiband block.
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void InsertSubFrameAndExtractBlock(
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const std::vector<std::vector<rtc::ArrayView<float>>>& sub_frame,
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std::vector<std::vector<std::vector<float>>>* block);
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// Reports whether a multiband block of 64 samples is available for
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// extraction.
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bool IsBlockAvailable() const;
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// Extracts a multiband block of 64 samples.
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void ExtractBlock(std::vector<std::vector<std::vector<float>>>* block);
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private:
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const size_t num_bands_;
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const size_t num_channels_;
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std::vector<std::vector<std::vector<float>>> buffer_;
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_AEC3_FRAME_BLOCKER_H_
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