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Unified Diff: webrtc/voice_engine/audio_level.h

Issue 2731993002: Update formatting of AudioLevel class (Closed)
Patch Set: Change file names Created 3 years, 9 months ago
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Index: webrtc/voice_engine/audio_level.h
diff --git a/webrtc/voice_engine/audio_level.h b/webrtc/voice_engine/audio_level.h
new file mode 100644
index 0000000000000000000000000000000000000000..72d586338ce4454102c97ba01fae4b601bb704ef
--- /dev/null
+++ b/webrtc/voice_engine/audio_level.h
@@ -0,0 +1,52 @@
+/*
+ * 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 WEBRTC_VOICE_ENGINE_AUDIO_LEVEL_H_
+#define WEBRTC_VOICE_ENGINE_AUDIO_LEVEL_H_
+
+#include "webrtc/base/criticalsection.h"
+#include "webrtc/typedefs.h"
+
+namespace webrtc {
+
+class AudioFrame;
+namespace voe {
+
+class AudioLevel {
+ public:
+ AudioLevel();
+ virtual ~AudioLevel();
the sun 2017/03/06 15:53:45 Remove virtual
hlundin-webrtc 2017/03/07 09:35:57 Done.
+
+ // Called on "API thread(s)" from APIs like VoEBase::CreateChannel(),
+ // VoEBase::StopSend(), VoEVolumeControl::GetSpeechOutputLevel().
+ int8_t Level() const;
+ int16_t LevelFullRange() const;
+ void Clear();
+
+ // 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);
+
+ private:
+ enum { kUpdateFrequency = 10 };
+
+ rtc::CriticalSection crit_sect_;
+
+ int16_t abs_max_;
+ int16_t count_;
+ int8_t current_level_;
+ int16_t current_level_full_range_;
+};
+
+} // namespace voe
+} // namespace webrtc
+
+#endif // WEBRTC_VOICE_ENGINE_AUDIO_LEVEL_H_

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