1 files changed, 0 insertions, 65 deletions
diff --git a/cras/src/server/ewma_power.h b/cras/src/server/ewma_power.h
deleted file mode 100644
index 78d2e504..00000000
--- a/cras/src/server/ewma_power.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef EWMA_POWER_H_
-#define EWMA_POWER_H_
-
-#include <stdbool.h>
-#include <stdint.h>
-
-#include "cras_audio_area.h"
-
-/*
- * The exponentially weighted moving average power module used to
- * calculate the energe level in audio stream.
- * Members:
- *    power_set - Flag to note if the first power value has set.
- *    enabled - Flag to enable ewma calculation. Set to false to
- *        make all calculations no-ops.
- *    power - The power value.
- *    step_fr - How many frames to sample one for EWMA calculation.
- */
-struct ewma_power {
-	bool power_set;
-	bool enabled;
-	float power;
-	unsigned int step_fr;
-};
-
-/*
- * Disables the ewma instance.
- */
-void ewma_power_disable(struct ewma_power *ewma);
-
-/*
- * Initializes the ewma_power object.
- * Args:
- *    ewma - The ewma_power object to initialize.
- *    rate - The sample rate of the audio data that the ewma object
- *        will calculate power from.
- */
-void ewma_power_init(struct ewma_power *ewma, unsigned int rate);
-
-/*
- * Feeds an audio buffer to ewma_power object to calculate the
- * latest power value.
- * Args:
- *    ewma - The ewma_power object to calculate power.
- *    buf - Pointer to the audio data.
- *    channels - Number of channels of the audio data.
- *    size - Length in frames of the audio data.
- */
-void ewma_power_calculate(struct ewma_power *ewma, const int16_t *buf,
-			  unsigned int channels, unsigned int size);
-
-/*
- * Feeds non-interleaved audio data to ewma_power to calculate the
- * latest power value. This is similar to ewma_power_calculate but
- * accepts cras_audio_area.
- */
-void ewma_power_calculate_area(struct ewma_power *ewma, const int16_t *buf,
-			       struct cras_audio_area *area, unsigned int size);
-
-#endif /* EWMA_POWER_H_ */