summaryrefslogtreecommitdiff
path: root/cras/src/server/linear_resampler.h
diff options
context:
space:
mode:
Diffstat (limited to 'cras/src/server/linear_resampler.h')
-rw-r--r--cras/src/server/linear_resampler.h57
1 files changed, 0 insertions, 57 deletions
diff --git a/cras/src/server/linear_resampler.h b/cras/src/server/linear_resampler.h
deleted file mode 100644
index 25eff2b5..00000000
--- a/cras/src/server/linear_resampler.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Copyright (c) 2014 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 LINEAR_RESAMPLER_H_
-#define LINEAR_RESAMPLER_H_
-
-struct linear_resampler;
-
-/* Creates a linear resampler.
- * Args:
- * num_channels - The number of channels in each frames.
- * format_bytes - The length of one frame in bytes.
- * src_rate - The source rate to resample from.
- * dst_rate - The destination rate to resample to.
- */
-struct linear_resampler *linear_resampler_create(unsigned int num_channels,
- unsigned int format_bytes,
- float src_rate,
- float dst_rate);
-
-/* Sets the rates for the linear resampler.
- * Args:
- * from - The rate to resample from.
- * to - The rate to resample to.
- */
-void linear_resampler_set_rates(struct linear_resampler *lr, float from,
- float to);
-
-/* Converts the frames count from output rate to input rate. */
-unsigned int linear_resampler_out_frames_to_in(struct linear_resampler *lr,
- unsigned int frames);
-
-/* Converts the frames count from input rate to output rate. */
-unsigned int linear_resampler_in_frames_to_out(struct linear_resampler *lr,
- unsigned int frames);
-
-/* Returns true if SRC is needed, otherwise return false. */
-int linear_resampler_needed(struct linear_resampler *lr);
-
-/* Run linear resample for audio samples.
- * Args:
- * lr - The linear resampler.
- * src - The input buffer.
- * src_frames - The number of frames of input buffer.
- * dst - The output buffer.
- * dst_frames - The number of frames of output buffer.
- */
-unsigned int linear_resampler_resample(struct linear_resampler *lr,
- uint8_t *src, unsigned int *src_frames,
- uint8_t *dst, unsigned dst_frames);
-
-/* Destroy a linear resampler. */
-void linear_resampler_destroy(struct linear_resampler *lr);
-
-#endif /* LINEAR_RESAMPLER_H_ */