summaryrefslogtreecommitdiff
path: root/src/audioin.h
diff options
context:
space:
mode:
authorBent Bisballe Nyeng <deva@aasimon.org>2014-09-25 17:08:44 +0200
committerBent Bisballe Nyeng <deva@aasimon.org>2014-09-25 17:08:44 +0200
commit4f6b15ea26b5fa09f300f67e4ce1057c2b39a3aa (patch)
tree45d7bb4a9a90ef603b5a7a65a4d4d4309a7a1538 /src/audioin.h
parent0602763044f0f0f9163f2a888627213347d3dbb7 (diff)
New API, new name, new version.
Diffstat (limited to 'src/audioin.h')
-rw-r--r--src/audioin.h130
1 files changed, 0 insertions, 130 deletions
diff --git a/src/audioin.h b/src/audioin.h
deleted file mode 100644
index fe12fa4..0000000
--- a/src/audioin.h
+++ /dev/null
@@ -1,130 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/***************************************************************************
- * audioin.h
- *
- * Wed Sep 30 11:36:18 CEST 2009
- * Copyright 2011 Bent Bisballe Nyeng
- * deva@aasimon.org
- ****************************************************************************/
-
-/*
- * This file is part of libaudioin.
- *
- * libaudioin is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * libaudioin is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with libaudioin; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-#ifndef __LIBAUDIOIN_AUDIOIN_H__
-#define __LIBAUDIOIN_AUDIOIN_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define NO_ERROR 0
-
-#define OUT_OF_MEMORY 101
-#define MISSING_HANDLE 102
-
-#define COULD_NOT_OPEN_DEVICE 203
-#define COULD_NOT_SET_HW_PARAMS 204
-#define COULD_NOT_INIT_PARAMS 205
-#define COULD_NOT_SET_ACCESS_MODE 206
-#define COULD_NOT_SET_FORMAT 207
-#define COULD_NOT_SET_CHANNELS 208
-#define COULD_NOT_SET_SAMPLE_RATE 209
-#define COULD_NOT_SET_PERIOD_SIZE 210
-
-#define BUFFER_TOO_SMALL 305
-#define BUFFER_OVERRUN 306
-#define READ_ERROR 307
-#define SHORT_READ 308
-
-#define MIXER_INIT_FAILED 400
-
-#define MIXER_NOT_INITIALISED 401
-#define INVALID_MIXER_LEVEL 402
-#define INVALID_CHANNEL_NUMBER 403
-#define COULD_NOT_SET_MIXER_LEVEL 404
-
-struct ai_t;
-
-/**
- * Initalise the AudioIn library and connect to a soundcard and a mixer.
- * @param err An int pointer containing error value if function is unsuccessful.
- * @param device A string containing the device name to connect to. A list
- * possible devices can be seen with the 'aplay -L' command. The device
- * "default" are usually the one needed.
- * @param mixer A string containing the mixer interface to connect to. A list
- * of possible interfaces can be seen with the 'amixer scontrols' command.
- * Usually the interface "Capture" is the one needed.
- * @param samplerate An unsigned integer containing the desired samplerate in
- * Hertz.
- * @param channels An unsigned integer containing the desired number of
- * channels. The channel samples will be interleaved in the data stream whe
- * ai_read is called.
- * @return A pointer to the newly created handle or NULL on failure.
- */
-struct ai_t *ai_init(int *err, const char *device, const char *mixer,
- unsigned int samplerate, unsigned int channels);
-
-/**
- * Read samples from the soundcard.
- * @param err An int pointer containing error value if function is unsuccessful.
- * @param handle A pointer to the handle to be used.
- * @param maxsize The maximum number of bytes (not samples) to read.
- * @return Returns the number of bytes (not samples) read or -1 on error.
- * NOTE: to get the number of samples read, devide the return value with the
- * sample width (2 bytes / 16 bits) and the number of interleaved channels
- * (usually 1 or 2).
- */
-int ai_read(int *err, struct ai_t *handle, void *pcm, unsigned int maxsize);
-
-/**
- * Adjust channel mixer levels.
- * @param err An int pointer containing error value if function is unsuccessful.
- * @param handle A pointer to the handle to be used.
- * @param channel The channel number to set mixer level of. 0 or 1 should be
- * used for the two channels of a stereo interface.
- * @param level The mixer level to set, ranging from 0.0 to 1.0 where 0.0 is
- * mute and 1.0 is maximum gain.
- * @return Returns -1 on error 0 otherwise.
- */
-int ai_set_mixer_level(int *err, struct ai_t *handle, unsigned int channel,
- float level);
-
-/**
- * Get actual samplerate.
- * The samplerate set in ai_init may or may not match a possible samplerate for
- * the audio hardware and therefore the ALSA library might decide to use another
- * samplerate than the one specified.
- * This function can be called to obtain the actual samplerate that the hardware
- * has been configured to use.
- * @param err An int pointer containing error value if function is unsuccessful.
- * @param handle A pointer to the handle to be used.
- * @return The samplerate as an integer or -1 on error.
- */
-int ai_get_samplerate(int *err, struct ai_t *handle);
-
-/**
- * Close and free the handle.
- * @param err An int pointer containing error value if function is unsuccessful.
- * @param handle A pointer to the handle to be closed.
- */
-void ai_close(int *err, struct ai_t *handle);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif/*__LIBAUDIOIN_AUDIOIN_H__*/