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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
* \brief Trivial application to control playback of a sound file
*
* \ingroup applications
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision: 7221 $")
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/app.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/utils.h"
#include "asterisk/options.h"
static const char *tdesc = "Control Playback Application";
static const char *app = "ControlPlayback";
static const char *synopsis = "Play a file with fast forward and rewind";
static const char *descrip =
" ControlPlayback(file[|skipms[|ff[|rew[|stop[|pause[|restart|options]]]]]]]):\n"
"This application will play back the given filename. By default, the '*' key\n"
"can be used to rewind, and the '#' key can be used to fast-forward.\n"
"Parameters:\n"
" skipms - This is number of milliseconds to skip when rewinding or\n"
" fast-forwarding.\n"
" ff - Fast-forward when this DTMF digit is received.\n"
" rew - Rewind when this DTMF digit is received.\n"
" stop - Stop playback when this DTMF digit is received.\n"
" pause - Pause playback when this DTMF digit is received.\n"
" restart - Restart playback when this DTMF digit is received.\n"
"Options:\n"
" j - Jump to priority n+101 if the requested file is not found.\n"
"This application sets the following channel variable upon completion:\n"
" CPLAYBACKSTATUS - This variable contains the status of the attempt as a text\n"
" string, one of: SUCCESS | USERSTOPPED | ERROR\n";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static int is_on_phonepad(char key)
{
return key == 35 || key == 42 || (key >= 48 && key <= 57);
}
static int controlplayback_exec(struct ast_channel *chan, void *data)
{
int res = 0, priority_jump = 0;
int skipms = 0;
struct localuser *u;
char *tmp;
int argc;
char *argv[8];
enum arg_ids {
arg_file = 0,
arg_skip = 1,
arg_fwd = 2,
arg_rev = 3,
arg_stop = 4,
arg_pause = 5,
arg_restart = 6,
options = 7,
};
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "ControlPlayback requires an argument (filename)\n");
return -1;
}
LOCAL_USER_ADD(u);
tmp = ast_strdupa(data);
memset(argv, 0, sizeof(argv));
argc = ast_app_separate_args(tmp, '|', argv, sizeof(argv) / sizeof(argv[0]));
if (argc < 1) {
ast_log(LOG_WARNING, "ControlPlayback requires an argument (filename)\n");
LOCAL_USER_REMOVE(u);
return -1;
}
skipms = argv[arg_skip] ? atoi(argv[arg_skip]) : 3000;
if (!skipms)
skipms = 3000;
if (!argv[arg_fwd] || !is_on_phonepad(*argv[arg_fwd]))
argv[arg_fwd] = "#";
if (!argv[arg_rev] || !is_on_phonepad(*argv[arg_rev]))
argv[arg_rev] = "*";
if (argv[arg_stop] && !is_on_phonepad(*argv[arg_stop]))
argv[arg_stop] = NULL;
if (argv[arg_pause] && !is_on_phonepad(*argv[arg_pause]))
argv[arg_pause] = NULL;
if (argv[arg_restart] && !is_on_phonepad(*argv[arg_restart]))
argv[arg_restart] = NULL;
if (argv[options]) {
if (strchr(argv[options], 'j'))
priority_jump = 1;
}
res = ast_control_streamfile(chan, argv[arg_file], argv[arg_fwd], argv[arg_rev], argv[arg_stop], argv[arg_pause], argv[arg_restart], skipms);
/* If we stopped on one of our stop keys, return 0 */
if (argv[arg_stop] && strchr(argv[arg_stop], res)) {
res = 0;
pbx_builtin_setvar_helper(chan, "CPLAYBACKSTATUS", "USERSTOPPED");
} else {
if (res < 0) {
if (priority_jump || option_priority_jumping) {
if (ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101)) {
ast_log(LOG_WARNING, "ControlPlayback tried to jump to priority n+101 as requested, but priority didn't exist\n");
}
}
res = 0;
pbx_builtin_setvar_helper(chan, "CPLAYBACKSTATUS", "ERROR");
} else
pbx_builtin_setvar_helper(chan, "CPLAYBACKSTATUS", "SUCCESS");
}
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
int res;
res = ast_unregister_application(app);
STANDARD_HANGUP_LOCALUSERS;
return res;
}
int load_module(void)
{
return ast_register_application(app, controlplayback_exec, synopsis, descrip);
}
char *description(void)
{
return (char *) tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}
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