mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-15 14:50:39 +01:00
7120742701
Now that we have moved WebRTC from src/webrtc to src/, common_types.h and typedefs.h are triggering a cpplint error. The cpplint complaint is: Include the directory when naming .h files [build/include] [4] This CL disables the error but we have to remove these two headers from the root directory. NOPRESUBMIT=true Bug: webrtc:5876 Change-Id: I08e1b69aadcc4b28ab83bf25e3819d135d41d333 Reviewed-on: https://webrtc-review.googlesource.com/1577 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@google.com> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19859}
56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
/*
|
|
* Copyright (c) 2012 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 MODULES_AUDIO_PROCESSING_AGC_AGC_H_
|
|
#define MODULES_AUDIO_PROCESSING_AGC_AGC_H_
|
|
|
|
#include <memory>
|
|
|
|
#include "modules/audio_processing/vad/voice_activity_detector.h"
|
|
#include "typedefs.h" // NOLINT(build/include)
|
|
|
|
namespace webrtc {
|
|
|
|
class AudioFrame;
|
|
class LoudnessHistogram;
|
|
|
|
class Agc {
|
|
public:
|
|
Agc();
|
|
virtual ~Agc();
|
|
|
|
// Returns the proportion of samples in the buffer which are at full-scale
|
|
// (and presumably clipped).
|
|
virtual float AnalyzePreproc(const int16_t* audio, size_t length);
|
|
// |audio| must be mono; in a multi-channel stream, provide the first (usually
|
|
// left) channel.
|
|
virtual int Process(const int16_t* audio, size_t length, int sample_rate_hz);
|
|
|
|
// Retrieves the difference between the target RMS level and the current
|
|
// signal RMS level in dB. Returns true if an update is available and false
|
|
// otherwise, in which case |error| should be ignored and no action taken.
|
|
virtual bool GetRmsErrorDb(int* error);
|
|
virtual void Reset();
|
|
|
|
virtual int set_target_level_dbfs(int level);
|
|
virtual int target_level_dbfs() const;
|
|
virtual float voice_probability() const;
|
|
|
|
private:
|
|
double target_level_loudness_;
|
|
int target_level_dbfs_;
|
|
std::unique_ptr<LoudnessHistogram> histogram_;
|
|
std::unique_ptr<LoudnessHistogram> inactive_histogram_;
|
|
VoiceActivityDetector vad_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // MODULES_AUDIO_PROCESSING_AGC_AGC_H_
|