73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
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* recording functions
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*
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* This file is part of ANT (Ant is Not a Telephone)
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*
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* Copyright 2003 Roland Stigge
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*
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* ANT is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* ANT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ANT; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef _ANT_RECORDING_H
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#define _ANT_RECORDING_H
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#include "config.h"
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/* regular GNU system includes */
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#include <stdio.h>
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/* sndfile audio file reading/writing library */
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#include <sndfile.h>
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enum recording_format_t {
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RECORDING_FORMAT_WAV = 0x10,
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RECORDING_FORMAT_AIFF = 0x20,
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RECORDING_FORMAT_ULAW = 0x01,
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RECORDING_FORMAT_S16 = 0x02,
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RECORDING_FORMAT_MAJOR = 0xF0,
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RECORDING_FORMAT_MINOR = 0x0F
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};
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enum recording_channel_t {
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RECORDING_LOCAL = 0,
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RECORDING_REMOTE = 1
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};
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struct recqueue_t {
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struct recqueue_t *next;
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short *buf;
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};
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struct recorder_t {
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SNDFILE *sf; /* sndfile state */
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char *filename; /* audio file name */
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struct recqueue_t *queue; /* buffer queue for communication with libsndfile */
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struct recqueue_t *current_local; /* current queue element for local input */
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struct recqueue_t *current_remote;/* current queue element for remote input */
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int localindex; /* indices into current block in queue */
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int remoteindex;
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};
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int recording_open(struct recorder_t *recorder, char *filename,
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enum recording_format_t format);
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int recording_write(struct recorder_t *recorder, short *buf, int size,
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enum recording_channel_t channel);
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int recording_close(struct recorder_t *recorder);
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#endif /* recording.h */
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