1 files changed, 0 insertions, 55 deletions
diff --git a/cras/src/dsp/dsp_util.h b/cras/src/dsp/dsp_util.h
deleted file mode 100644
index 7ca227ad..00000000
--- a/cras/src/dsp/dsp_util.h
+++ /dev/null
@@ -1,55 +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 DSPUTIL_H_
-#define DSPUTIL_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdint.h>
-
-#include "cras_audio_format.h"
-
-/* Converts from interleaved int16_t samples to non-interleaved float samples.
- * The int16_t samples have range [-32768, 32767], and the float samples have
- * range [-1.0, 1.0].
- * Args:
- *    input - The interleaved input buffer. Every "channels" samples is a frame.
- *    output - Pointers to output buffers. There are "channels" output buffers.
- *    channels - The number of samples per frame.
- *    frames - The number of frames to convert.
- * Returns:
- *    Negative error if format isn't supported, otherwise 0.
- */
-int dsp_util_deinterleave(uint8_t *input, float *const *output, int channels,
-			  snd_pcm_format_t format, int frames);
-
-/* Converts from non-interleaved float samples to interleaved int16_t samples.
- * The int16_t samples have range [-32768, 32767], and the float samples have
- * range [-1.0, 1.0]. This is the inverse of dsputil_deinterleave().
- * Args:
- *    input - Pointers to input buffers. There are "channels" input buffers.
- *    output - The interleaved output buffer. Every "channels" samples is a
- *        frame.
- *    channels - The number of samples per frame.
- *    frames - The number of frames to convert.
- * Returns:
- *    Negative error if format isn't supported, otherwise 0.
- */
-int dsp_util_interleave(float *const *input, uint8_t *output, int channels,
-			snd_pcm_format_t format, int frames);
-
-/* Disables denormal numbers in floating point calculation. Denormal numbers
- * happens often in IIR filters, and it can be very slow.
- */
-void dsp_enable_flush_denormal_to_zero();
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* DSPUTIL_H_ */