1 files changed, 0 insertions, 71 deletions
diff --git a/cras/src/dsp/eq2.h b/cras/src/dsp/eq2.h
deleted file mode 100644
index dfa9a1df..00000000
--- a/cras/src/dsp/eq2.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* Copyright (c) 2013 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 EQ2_H_
-#define EQ2_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* "eq2" is a two channel version of the "eq" filter. It processes two channels
- * of data at once to increase performance. */
-
-#include "biquad.h"
-
-/* Maximum number of biquad filters an EQ2 can have per channel */
-#define MAX_BIQUADS_PER_EQ2 10
-
-struct eq2;
-
-/* Create an EQ2. */
-struct eq2 *eq2_new();
-
-/* Free an EQ2. */
-void eq2_free(struct eq2 *eq2);
-
-/* Append a biquad filter to an EQ2. An EQ2 can have at most MAX_BIQUADS_PER_EQ2
- * biquad filters per channel.
- * Args:
- *    eq2 - The EQ2 we want to use.
- *    channel - 0 or 1. The channel we want to append the filter to.
- *    type - The type of the biquad filter we want to append.
- *    frequency - The value should be in the range [0, 1]. It is relative to
- *        half of the sampling rate.
- *    Q, gain - The meaning depends on the type of the filter. See Web Audio
- *        API for details.
- * Returns:
- *    0 if success. -1 if the eq has no room for more biquads.
- */
-int eq2_append_biquad(struct eq2 *eq2, int channel, enum biquad_type type,
-		      float freq, float Q, float gain);
-
-/* Append a biquad filter to an EQ2. An EQ2 can have at most MAX_BIQUADS_PER_EQ2
- * biquad filters. This is similar to eq2_append_biquad(), but it specifies the
- * biquad coefficients directly.
- * Args:
- *    eq2 - The EQ2 we want to use.
- *    channel - 0 or 1. The channel we want to append the filter to.
- *    biquad - The parameters for the biquad filter.
- * Returns:
- *    0 if success. -1 if the eq has no room for more biquads.
- */
-int eq2_append_biquad_direct(struct eq2 *eq2, int channel,
-			     const struct biquad *biquad);
-
-/* Process a buffer of audio data through the EQ2.
- * Args:
- *    eq2 - The EQ2 we want to use.
- *    data0 - The array of channel 0 audio samples.
- *    data1 - The array of channel 1 audio samples.
- *    count - The number of elements in each of the data array to process.
- */
-void eq2_process(struct eq2 *eq2, float *data0, float *data1, int count);
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* EQ2_H_ */