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Diffstat (limited to '1.2-netsec/apps/app_record.c')
| -rw-r--r-- | 1.2-netsec/apps/app_record.c | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/1.2-netsec/apps/app_record.c b/1.2-netsec/apps/app_record.c deleted file mode 100644 index 85310ea70..000000000 --- a/1.2-netsec/apps/app_record.c +++ /dev/null @@ -1,377 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 1999 - 2005, Digium, Inc. - * - * Matthew Fredrickson <creslin@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 record a sound file - * - * \ingroup applications - */ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include "asterisk/lock.h" -#include "asterisk/file.h" -#include "asterisk/logger.h" -#include "asterisk/channel.h" -#include "asterisk/pbx.h" -#include "asterisk/module.h" -#include "asterisk/translate.h" -#include "asterisk/dsp.h" -#include "asterisk/utils.h" -#include "asterisk/options.h" - -static char *tdesc = "Trivial Record Application"; - -static char *app = "Record"; - -static char *synopsis = "Record to a file"; - -static char *descrip = -" Record(filename.format|silence[|maxduration][|options])\n\n" -"Records from the channel into a given filename. If the file exists it will\n" -"be overwritten.\n" -"- 'format' is the format of the file type to be recorded (wav, gsm, etc).\n" -"- 'silence' is the number of seconds of silence to allow before returning.\n" -"- 'maxduration' is the maximum recording duration in seconds. If missing\n" -"or 0 there is no maximum.\n" -"- 'options' may contain any of the following letters:\n" -" 'a' : append to existing recording rather than replacing\n" -" 'n' : do not answer, but record anyway if line not yet answered\n" -" 'q' : quiet (do not play a beep tone)\n" -" 's' : skip recording if the line is not yet answered\n" -" 't' : use alternate '*' terminator key instead of default '#'\n" -"\n" -"If filename contains '%d', these characters will be replaced with a number\n" -"incremented by one each time the file is recorded. \n\n" -"Use 'show file formats' to see the available formats on your system\n\n" -"User can press '#' to terminate the recording and continue to the next priority.\n\n" -"If the user should hangup during a recording, all data will be lost and the\n" -"application will teminate. \n"; - -STANDARD_LOCAL_USER; - -LOCAL_USER_DECL; - -static int record_exec(struct ast_channel *chan, void *data) -{ - int res = 0; - int count = 0; - int percentflag = 0; - char *filename, *ext = NULL, *silstr, *maxstr, *options; - char *vdata, *p; - int i = 0; - char tmp[256]; - - struct ast_filestream *s = '\0'; - struct localuser *u; - struct ast_frame *f = NULL; - - struct ast_dsp *sildet = NULL; /* silence detector dsp */ - int totalsilence = 0; - int dspsilence = 0; - int silence = 0; /* amount of silence to allow */ - int gotsilence = 0; /* did we timeout for silence? */ - int maxduration = 0; /* max duration of recording in milliseconds */ - int gottimeout = 0; /* did we timeout for maxduration exceeded? */ - int option_skip = 0; - int option_noanswer = 0; - int option_append = 0; - int terminator = '#'; - int option_quiet = 0; - int rfmt = 0; - int flags; - int waitres; - struct ast_silence_generator *silgen = NULL; - - /* The next few lines of code parse out the filename and header from the input string */ - if (ast_strlen_zero(data)) { /* no data implies no filename or anything is present */ - ast_log(LOG_WARNING, "Record requires an argument (filename)\n"); - return -1; - } - - LOCAL_USER_ADD(u); - - /* Yay for strsep being easy */ - vdata = ast_strdupa(data); - if (!vdata) { - ast_log(LOG_ERROR, "Out of memory\n"); - LOCAL_USER_REMOVE(u); - return -1; - } - - p = vdata; - filename = strsep(&p, "|"); - silstr = strsep(&p, "|"); - maxstr = strsep(&p, "|"); - options = strsep(&p, "|"); - - if (filename) { - if (strstr(filename, "%d")) - percentflag = 1; - ext = strrchr(filename, '.'); /* to support filename with a . in the filename, not format */ - if (!ext) - ext = strchr(filename, ':'); - if (ext) { - *ext = '\0'; - ext++; - } - } - if (!ext) { - ast_log(LOG_WARNING, "No extension specified to filename!\n"); - LOCAL_USER_REMOVE(u); - return -1; - } - if (silstr) { - if ((sscanf(silstr, "%d", &i) == 1) && (i > -1)) { - silence = i * 1000; - } else if (!ast_strlen_zero(silstr)) { - ast_log(LOG_WARNING, "'%s' is not a valid silence duration\n", silstr); - } - } - - if (maxstr) { - if ((sscanf(maxstr, "%d", &i) == 1) && (i > -1)) - /* Convert duration to milliseconds */ - maxduration = i * 1000; - else if (!ast_strlen_zero(maxstr)) - ast_log(LOG_WARNING, "'%s' is not a valid maximum duration\n", maxstr); - } - if (options) { - /* Retain backwards compatibility with old style options */ - if (!strcasecmp(options, "skip")) - option_skip = 1; - else if (!strcasecmp(options, "noanswer")) - option_noanswer = 1; - else { - if (strchr(options, 's')) - option_skip = 1; - if (strchr(options, 'n')) - option_noanswer = 1; - if (strchr(options, 'a')) - option_append = 1; - if (strchr(options, 't')) - terminator = '*'; - if (strchr(options, 'q')) - option_quiet = 1; - } - } - - /* done parsing */ - - /* these are to allow the use of the %d in the config file for a wild card of sort to - create a new file with the inputed name scheme */ - if (percentflag) { - do { - snprintf(tmp, sizeof(tmp), filename, count); - count++; - } while ( ast_fileexists(tmp, ext, chan->language) != -1 ); - pbx_builtin_setvar_helper(chan, "RECORDED_FILE", tmp); - } else - strncpy(tmp, filename, sizeof(tmp)-1); - /* end of routine mentioned */ - - - - if (chan->_state != AST_STATE_UP) { - if (option_skip) { - /* At the user's option, skip if the line is not up */ - LOCAL_USER_REMOVE(u); - return 0; - } else if (!option_noanswer) { - /* Otherwise answer unless we're supposed to record while on-hook */ - res = ast_answer(chan); - } - } - - if (res) { - ast_log(LOG_WARNING, "Could not answer channel '%s'\n", chan->name); - goto out; - } - - if (!option_quiet) { - /* Some code to play a nice little beep to signify the start of the record operation */ - res = ast_streamfile(chan, "beep", chan->language); - if (!res) { - res = ast_waitstream(chan, ""); - } else { - ast_log(LOG_WARNING, "ast_streamfile failed on %s\n", chan->name); - } - ast_stopstream(chan); - } - - /* The end of beep code. Now the recording starts */ - - if (silence > 0) { - rfmt = chan->readformat; - res = ast_set_read_format(chan, AST_FORMAT_SLINEAR); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to set to linear mode, giving up\n"); - LOCAL_USER_REMOVE(u); - return -1; - } - sildet = ast_dsp_new(); - if (!sildet) { - ast_log(LOG_WARNING, "Unable to create silence detector :(\n"); - LOCAL_USER_REMOVE(u); - return -1; - } - ast_dsp_set_threshold(sildet, 256); - } - - - flags = option_append ? O_CREAT|O_APPEND|O_WRONLY : O_CREAT|O_TRUNC|O_WRONLY; - s = ast_writefile( tmp, ext, NULL, flags , 0, 0644); - - if (!s) { - ast_log(LOG_WARNING, "Could not create file %s\n", filename); - goto out; - } - - if (option_transmit_silence_during_record) - silgen = ast_channel_start_silence_generator(chan); - - /* Request a video update */ - ast_indicate(chan, AST_CONTROL_VIDUPDATE); - - if (maxduration <= 0) - maxduration = -1; - - while ((waitres = ast_waitfor(chan, maxduration)) > -1) { - if (maxduration > 0) { - if (waitres == 0) { - gottimeout = 1; - break; - } - maxduration = waitres; - } - - f = ast_read(chan); - if (!f) { - res = -1; - break; - } - if (f->frametype == AST_FRAME_VOICE) { - res = ast_writestream(s, f); - - if (res) { - ast_log(LOG_WARNING, "Problem writing frame\n"); - ast_frfree(f); - break; - } - - if (silence > 0) { - dspsilence = 0; - ast_dsp_silence(sildet, f, &dspsilence); - if (dspsilence) { - totalsilence = dspsilence; - } else { - totalsilence = 0; - } - if (totalsilence > silence) { - /* Ended happily with silence */ - ast_frfree(f); - gotsilence = 1; - break; - } - } - } else if (f->frametype == AST_FRAME_VIDEO) { - res = ast_writestream(s, f); - - if (res) { - ast_log(LOG_WARNING, "Problem writing frame\n"); - ast_frfree(f); - break; - } - } else if ((f->frametype == AST_FRAME_DTMF) && - (f->subclass == terminator)) { - ast_frfree(f); - break; - } - ast_frfree(f); - } - if (!f) { - ast_log(LOG_DEBUG, "Got hangup\n"); - res = -1; - } - - if (gotsilence) { - ast_stream_rewind(s, silence-1000); - ast_truncstream(s); - } else if (!gottimeout) { - /* Strip off the last 1/4 second of it */ - ast_stream_rewind(s, 250); - ast_truncstream(s); - } - ast_closestream(s); - - if (silgen) - ast_channel_stop_silence_generator(chan, silgen); - - out: - if ((silence > 0) && rfmt) { - res = ast_set_read_format(chan, rfmt); - if (res) - ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", chan->name); - if (sildet) - ast_dsp_free(sildet); - } - - 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, record_exec, synopsis, descrip); -} - -char *description(void) -{ - return tdesc; -} - -int usecount(void) -{ - int res; - STANDARD_USECOUNT(res); - return res; -} - -char *key() -{ - return ASTERISK_GPL_KEY; -} |