1 files changed, 0 insertions, 113 deletions
diff --git a/cras/src/server/dev_io.h b/cras/src/server/dev_io.h
deleted file mode 100644
index ca71a809..00000000
--- a/cras/src/server/dev_io.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/* Copyright 2017 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.
- *
- * `dev_io` Handles playback to and capture from open devices.  It runs only on
- * the audio thread.
- */
-
-#ifndef DEV_IO_H_
-#define DEV_IO_H_
-
-#include "cras_iodev.h"
-#include "cras_types.h"
-#include "polled_interval_checker.h"
-
-/*
- * Open input/output devices.
- *    dev - The device.
- *    last_wake - The last timestamp audio thread woke up and there is stream
- *        on this open device.
- *    longest_wake - The longest time between consecutive audio thread wakes
- *        in this open_dev's life cycle.
- *    wake_ts - When callback is needed to avoid xrun.
- *    last_non_empty_ts - The last time we know the device played/captured
- *        non-empty (zero) audio.
- *    coarse_rate_adjust - Hack for when the sample rate needs heavy correction.
- */
-struct open_dev {
-	struct cras_iodev *dev;
-	struct timespec last_wake;
-	struct timespec longest_wake;
-	struct timespec wake_ts;
-	struct polled_interval *non_empty_check_pi;
-	struct polled_interval *empty_pi;
-	int coarse_rate_adjust;
-	struct open_dev *prev, *next;
-};
-
-/*
- * Fetches streams from each device in `odev_list`.
- *    odev_list - The list of open devices.
- */
-void dev_io_playback_fetch(struct open_dev *odev_list);
-
-/*
- * Writes the samples fetched from the streams to the playback devices.
- *    odev_list - The list of open devices.  Devices will be removed when
- *                writing returns an error.
- */
-int dev_io_playback_write(struct open_dev **odevs,
-			  struct cras_fmt_conv *output_converter);
-
-/* Only public for testing. */
-int write_output_samples(struct open_dev **odevs, struct open_dev *adev,
-			 struct cras_fmt_conv *output_converter);
-
-/*
- * Captures samples from each device in the list.
- *    list - Pointer to the list of input devices.  Devices that fail to read
- *           will be removed from the list.
- *    olist - Pointer to the list of output devices.
- */
-int dev_io_capture(struct open_dev **list, struct open_dev **olist);
-
-/*
- * Send samples that have been captured to their streams.
- */
-int dev_io_send_captured_samples(struct open_dev *idev_list);
-
-/* Reads and/or writes audio samples from/to the devices. */
-void dev_io_run(struct open_dev **odevs, struct open_dev **idevs,
-		struct cras_fmt_conv *output_converter);
-
-/*
- * Checks the non-empty device state in active output lists and return
- * if there's at least one non-empty device.
- */
-int dev_io_check_non_empty_state_transition(struct open_dev *adevs);
-
-/*
- * Fills min_ts with the next time the system should wake to service input.
- * Returns the number of devices waiting.
- */
-int dev_io_next_input_wake(struct open_dev **idevs, struct timespec *min_ts);
-
-/*
- * Fills min_ts with the next time the system should wake to service output.
- * Returns the number of devices waiting.
- */
-int dev_io_next_output_wake(struct open_dev **odevs, struct timespec *min_ts);
-
-/*
- * Removes a device from a list of devices.
- *    odev_list - A pointer to the list to modify.
- *    dev_to_rm - Find this device in the list and remove it.
- */
-void dev_io_rm_open_dev(struct open_dev **odev_list,
-			struct open_dev *dev_to_rm);
-
-/* Returns a pointer to an open_dev if it is in the list, otherwise NULL. */
-struct open_dev *dev_io_find_open_dev(struct open_dev *odev_list,
-				      unsigned int dev_idx);
-
-/* Append a new stream to a specified set of iodevs. */
-int dev_io_append_stream(struct open_dev **odevs, struct open_dev **idevs,
-			 struct cras_rstream *stream,
-			 struct cras_iodev **iodevs, unsigned int num_iodevs);
-
-/* Remove a stream from the provided list of devices. */
-int dev_io_remove_stream(struct open_dev **dev_list,
-			 struct cras_rstream *stream, struct cras_iodev *dev);
-
-#endif /* DEV_IO_H_ */