Update to current webrtc library
This is from the upstream library commit id 3326535126e435f1ba647885ce43a8f0f3d317eb, corresponding to Chromium 88.0.4290.1.
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@ -8,29 +8,25 @@
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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_AGC_AGC_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_AGC_AGC_H_
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#ifndef MODULES_AUDIO_PROCESSING_AGC_AGC_H_
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#define MODULES_AUDIO_PROCESSING_AGC_AGC_H_
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/modules/audio_processing/vad/voice_activity_detector.h"
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#include "webrtc/typedefs.h"
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#include <memory>
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#include "modules/audio_processing/vad/voice_activity_detector.h"
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namespace webrtc {
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class AudioFrame;
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class Histogram;
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class LoudnessHistogram;
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class Agc {
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public:
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Agc();
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virtual ~Agc();
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// Returns the proportion of samples in the buffer which are at full-scale
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// (and presumably clipped).
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virtual float AnalyzePreproc(const int16_t* audio, size_t length);
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// |audio| must be mono; in a multi-channel stream, provide the first (usually
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// left) channel.
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virtual int Process(const int16_t* audio, size_t length, int sample_rate_hz);
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virtual void Process(const int16_t* audio, size_t length, int sample_rate_hz);
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// Retrieves the difference between the target RMS level and the current
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// signal RMS level in dB. Returns true if an update is available and false
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@ -39,20 +35,17 @@ class Agc {
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virtual void Reset();
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virtual int set_target_level_dbfs(int level);
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virtual int target_level_dbfs() const { return target_level_dbfs_; }
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virtual float voice_probability() const {
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return vad_.last_voice_probability();
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}
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virtual int target_level_dbfs() const;
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virtual float voice_probability() const;
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private:
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double target_level_loudness_;
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int target_level_dbfs_;
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rtc::scoped_ptr<Histogram> histogram_;
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rtc::scoped_ptr<Histogram> inactive_histogram_;
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std::unique_ptr<LoudnessHistogram> histogram_;
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std::unique_ptr<LoudnessHistogram> inactive_histogram_;
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VoiceActivityDetector vad_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_AGC_AGC_H_
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#endif // MODULES_AUDIO_PROCESSING_AGC_AGC_H_
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