Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/third_party/libwebrtc/webrtc/voice_engine/audio_level.h b/third_party/libwebrtc/webrtc/voice_engine/audio_level.h
new file mode 100644
index 0000000000..a1951edba9
--- /dev/null
+++ b/third_party/libwebrtc/webrtc/voice_engine/audio_level.h
@@ -0,0 +1,60 @@
+/*
+ *  Copyright (c) 2011 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 VOICE_ENGINE_AUDIO_LEVEL_H_
+#define VOICE_ENGINE_AUDIO_LEVEL_H_
+
+#include "rtc_base/criticalsection.h"
+#include "rtc_base/thread_annotations.h"
+#include "typedefs.h"  // NOLINT(build/include)
+
+namespace webrtc {
+
+class AudioFrame;
+namespace voe {
+
+class AudioLevel {
+ public:
+  AudioLevel();
+  ~AudioLevel();
+
+  // Called on "API thread(s)" from APIs like VoEBase::CreateChannel(),
+  // VoEBase::StopSend(), VoEVolumeControl::GetSpeechOutputLevel().
+  int8_t Level() const;
+  int16_t LevelFullRange() const;
+  void Clear();
+  // See the description for "totalAudioEnergy" in the WebRTC stats spec
+  // (https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamtrackstats-totalaudioenergy)
+  double TotalEnergy() const;
+  double TotalDuration() const;
+
+  // Called on a native capture audio thread (platform dependent) from the
+  // AudioTransport::RecordedDataIsAvailable() callback.
+  // In Chrome, this method is called on the AudioInputDevice thread.
+  void ComputeLevel(const AudioFrame& audioFrame, double duration);
+
+ private:
+  enum { kUpdateFrequency = 10 };
+
+  rtc::CriticalSection crit_sect_;
+
+  int16_t abs_max_ RTC_GUARDED_BY(crit_sect_);
+  int16_t count_ RTC_GUARDED_BY(crit_sect_);
+  int8_t current_level_ RTC_GUARDED_BY(crit_sect_);
+  int16_t current_level_full_range_ RTC_GUARDED_BY(crit_sect_);
+
+  double total_energy_ RTC_GUARDED_BY(crit_sect_) = 0.0;
+  double total_duration_ RTC_GUARDED_BY(crit_sect_) = 0.0;
+};
+
+}  // namespace voe
+}  // namespace webrtc
+
+#endif  // VOICE_ENGINE_AUDIO_LEVEL_H_