Thu Jul 9 13:40:37 2009

Asterisk developer's documentation


monitor.h

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 1999 - 2005, Digium, Inc.
00005  *
00006  * Mark Spencer <markster@digium.com>
00007  *
00008  * See http://www.asterisk.org for more information about
00009  * the Asterisk project. Please do not directly contact
00010  * any of the maintainers of this project for assistance;
00011  * the project provides a web site, mailing lists and IRC
00012  * channels for your use.
00013  *
00014  * This program is free software, distributed under the terms of
00015  * the GNU General Public License Version 2. See the LICENSE file
00016  * at the top of the source tree.
00017  */
00018 
00019 /*! \file
00020  * \brief Channel monitoring
00021  */
00022 
00023 #ifndef _ASTERISK_MONITOR_H
00024 #define _ASTERISK_MONITOR_H
00025 
00026 #include "asterisk/channel.h"
00027 
00028 enum AST_MONITORING_STATE {
00029    AST_MONITOR_RUNNING,
00030    AST_MONITOR_PAUSED
00031 };
00032 
00033 /* Streams recording control */
00034 #define X_REC_IN  1
00035 #define X_REC_OUT 2
00036 #define X_JOIN    4
00037 
00038 /*! Responsible for channel monitoring data */
00039 struct ast_channel_monitor {
00040    struct ast_filestream *read_stream;
00041    struct ast_filestream *write_stream;
00042    char read_filename[FILENAME_MAX];
00043    char write_filename[FILENAME_MAX];
00044    char filename_base[FILENAME_MAX];
00045    int filename_changed;
00046    char *format;
00047    int joinfiles;
00048    enum AST_MONITORING_STATE state;
00049    int (*stop)(struct ast_channel *chan, int need_lock);
00050 };
00051 
00052 /* Start monitoring a channel */
00053 int ast_monitor_start(struct ast_channel *chan, const char *format_spec,
00054             const char *fname_base, int need_lock, int stream_action) attribute_weak;
00055 
00056 /* Stop monitoring a channel */
00057 int ast_monitor_stop(struct ast_channel *chan, int need_lock) attribute_weak;
00058 
00059 /* Change monitoring filename of a channel */
00060 int ast_monitor_change_fname(struct ast_channel *chan,
00061               const char *fname_base, int need_lock) attribute_weak;
00062 
00063 void ast_monitor_setjoinfiles(struct ast_channel *chan, int turnon) attribute_weak;
00064 
00065 /* Pause monitoring of a channel */
00066 int ast_monitor_pause(struct ast_channel *chan) attribute_weak;
00067 
00068 /* Unpause monitoring of a channel */
00069 int ast_monitor_unpause(struct ast_channel *chan) attribute_weak;
00070 
00071 #endif /* _ASTERISK_MONITOR_H */

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