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00028 #include "asterisk.h"
00029
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 227371 $")
00031
00032 #include "asterisk/pbx.h"
00033 #include "asterisk/app.h"
00034 #include "asterisk/module.h"
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00095 static const char *app = "ControlPlayback";
00096
00097 enum {
00098 OPT_OFFSET = (1 << 1),
00099 };
00100
00101 enum {
00102 OPT_ARG_OFFSET = 0,
00103
00104 OPT_ARG_ARRAY_LEN,
00105 };
00106
00107 AST_APP_OPTIONS(cpb_opts, BEGIN_OPTIONS
00108 AST_APP_OPTION_ARG('o', OPT_OFFSET, OPT_ARG_OFFSET),
00109 END_OPTIONS
00110 );
00111
00112 static int is_on_phonepad(char key)
00113 {
00114 return key == 35 || key == 42 || (key >= 48 && key <= 57);
00115 }
00116
00117 static int is_argument(const char *haystack, int needle)
00118 {
00119 if (ast_strlen_zero(haystack))
00120 return 0;
00121
00122 if (strchr(haystack, needle))
00123 return -1;
00124
00125 return 0;
00126 }
00127
00128 static int controlplayback_exec(struct ast_channel *chan, void *data)
00129 {
00130 int res = 0;
00131 int skipms = 0;
00132 long offsetms = 0;
00133 char offsetbuf[20];
00134 char stopkeybuf[2];
00135 char *tmp;
00136 struct ast_flags opts = { 0, };
00137 char *opt_args[OPT_ARG_ARRAY_LEN];
00138 AST_DECLARE_APP_ARGS(args,
00139 AST_APP_ARG(filename);
00140 AST_APP_ARG(skip);
00141 AST_APP_ARG(fwd);
00142 AST_APP_ARG(rev);
00143 AST_APP_ARG(stop);
00144 AST_APP_ARG(pause);
00145 AST_APP_ARG(restart);
00146 AST_APP_ARG(options);
00147 );
00148
00149 if (ast_strlen_zero(data)) {
00150 ast_log(LOG_WARNING, "ControlPlayback requires an argument (filename)\n");
00151 return -1;
00152 }
00153
00154 tmp = ast_strdupa(data);
00155 AST_STANDARD_APP_ARGS(args, tmp);
00156
00157 if (args.argc < 1) {
00158 ast_log(LOG_WARNING, "ControlPlayback requires an argument (filename)\n");
00159 return -1;
00160 }
00161
00162 skipms = args.skip ? (atoi(args.skip) ? atoi(args.skip) : 3000) : 3000;
00163
00164 if (!args.fwd || !is_on_phonepad(*args.fwd)) {
00165 char *digit = "#";
00166 if (!is_argument(args.rev, *digit) && !is_argument(args.stop, *digit) && !is_argument(args.pause, *digit) && !is_argument(args.restart, *digit))
00167 args.fwd = digit;
00168 else
00169 args.fwd = NULL;
00170 }
00171 if (!args.rev || !is_on_phonepad(*args.rev)) {
00172 char *digit = "*";
00173 if (!is_argument(args.fwd, *digit) && !is_argument(args.stop, *digit) && !is_argument(args.pause, *digit) && !is_argument(args.restart, *digit))
00174 args.rev = digit;
00175 else
00176 args.rev = NULL;
00177 }
00178 ast_debug(1, "Forward key = %s, Rewind key = %s\n", args.fwd, args.rev);
00179 if (args.stop && !is_on_phonepad(*args.stop))
00180 args.stop = NULL;
00181 if (args.pause && !is_on_phonepad(*args.pause))
00182 args.pause = NULL;
00183 if (args.restart && !is_on_phonepad(*args.restart))
00184 args.restart = NULL;
00185
00186 if (args.options) {
00187 ast_app_parse_options(cpb_opts, &opts, opt_args, args.options);
00188 if (ast_test_flag(&opts, OPT_OFFSET))
00189 offsetms = atol(opt_args[OPT_ARG_OFFSET]);
00190 }
00191
00192 res = ast_control_streamfile(chan, args.filename, args.fwd, args.rev, args.stop, args.pause, args.restart, skipms, &offsetms);
00193
00194
00195 if (res > 0 && args.stop && strchr(args.stop, res)) {
00196 pbx_builtin_setvar_helper(chan, "CPLAYBACKSTATUS", "USERSTOPPED");
00197 snprintf(stopkeybuf, sizeof(stopkeybuf), "%c", res);
00198 pbx_builtin_setvar_helper(chan, "CPLAYBACKSTOPKEY", stopkeybuf);
00199 res = 0;
00200 } else {
00201 if (res < 0) {
00202 res = 0;
00203 pbx_builtin_setvar_helper(chan, "CPLAYBACKSTATUS", "ERROR");
00204 } else
00205 pbx_builtin_setvar_helper(chan, "CPLAYBACKSTATUS", "SUCCESS");
00206 }
00207
00208 snprintf(offsetbuf, sizeof(offsetbuf), "%ld", offsetms);
00209 pbx_builtin_setvar_helper(chan, "CPLAYBACKOFFSET", offsetbuf);
00210
00211 return res;
00212 }
00213
00214 static int unload_module(void)
00215 {
00216 int res;
00217 res = ast_unregister_application(app);
00218 return res;
00219 }
00220
00221 static int load_module(void)
00222 {
00223 return ast_register_application_xml(app, controlplayback_exec);
00224 }
00225
00226 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Control Playback Application");