2003-06-28 18:35:58 +00:00
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/*
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2005-09-14 20:46:50 +00:00
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* Asterisk -- An open source telephony toolkit.
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1999-12-02 20:24:59 +00:00
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*
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2006-01-03 22:16:23 +00:00
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* Copyright (C) 1999 - 2006, Digium, Inc.
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2005-09-14 20:46:50 +00:00
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*
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* Mark Spencer <markster@digium.com>
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1999-12-02 20:24:59 +00:00
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*
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2005-09-14 20:46:50 +00:00
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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1999-12-02 20:24:59 +00:00
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*
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* This program is free software, distributed under the terms of
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2005-09-14 20:46:50 +00:00
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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2005-10-24 20:12:06 +00:00
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/*! \file
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2005-09-14 20:46:50 +00:00
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*
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2005-10-24 20:12:06 +00:00
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* \brief Generic File Format Support.
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2005-12-30 21:18:06 +00:00
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*
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* \author Mark Spencer <markster@digium.com>
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1999-12-02 20:24:59 +00:00
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*/
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2006-06-07 18:54:56 +00:00
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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2005-04-22 13:11:34 +00:00
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#include <dirent.h>
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#include <sys/stat.h>
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2008-06-13 12:45:50 +00:00
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#include <math.h>
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2005-04-22 13:11:34 +00:00
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2007-11-22 00:53:49 +00:00
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#include "asterisk/_private.h" /* declare ast_file_init() */
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2007-11-20 23:16:15 +00:00
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#include "asterisk/paths.h" /* use ast_config_AST_DATA_DIR */
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2007-11-22 00:53:49 +00:00
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#include "asterisk/mod_format.h"
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2005-04-21 06:02:45 +00:00
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#include "asterisk/cli.h"
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#include "asterisk/channel.h"
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#include "asterisk/sched.h"
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#include "asterisk/translate.h"
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#include "asterisk/utils.h"
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#include "asterisk/lock.h"
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#include "asterisk/app.h"
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2005-07-12 01:34:06 +00:00
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#include "asterisk/pbx.h"
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2006-01-09 21:30:46 +00:00
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#include "asterisk/linkedlists.h"
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2006-06-07 18:54:56 +00:00
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#include "asterisk/module.h"
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2008-11-20 18:20:00 +00:00
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#include "asterisk/astobj2.h"
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1999-12-02 20:24:59 +00:00
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2006-04-04 12:59:25 +00:00
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/*
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* The following variable controls the layout of localized sound files.
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* If 0, use the historical layout with prefix just before the filename
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* (i.e. digits/en/1.gsm , digits/it/1.gsm or default to digits/1.gsm),
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* if 1 put the prefix at the beginning of the filename
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* (i.e. en/digits/1.gsm, it/digits/1.gsm or default to digits/1.gsm).
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* The latter permits a language to be entirely in one directory.
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*/
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2006-12-27 21:18:27 +00:00
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int ast_language_is_prefix = 1;
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1999-12-02 20:24:59 +00:00
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2007-01-26 22:55:06 +00:00
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static AST_RWLIST_HEAD_STATIC(formats, ast_format);
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1999-12-02 20:24:59 +00:00
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2006-08-21 02:11:39 +00:00
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int __ast_format_register(const struct ast_format *f, struct ast_module *mod)
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1999-12-02 20:24:59 +00:00
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{
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struct ast_format *tmp;
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2006-04-04 12:59:25 +00:00
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2007-01-26 22:55:06 +00:00
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AST_RWLIST_WRLOCK(&formats);
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AST_RWLIST_TRAVERSE(&formats, tmp, list) {
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2006-04-04 12:59:25 +00:00
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if (!strcasecmp(f->name, tmp->name)) {
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2007-01-26 22:55:06 +00:00
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AST_RWLIST_UNLOCK(&formats);
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2006-04-04 12:59:25 +00:00
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ast_log(LOG_WARNING, "Tried to register '%s' format, already registered\n", f->name);
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1999-12-02 20:24:59 +00:00
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return -1;
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}
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2006-04-04 12:59:25 +00:00
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}
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2006-08-21 02:11:39 +00:00
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if (!(tmp = ast_calloc(1, sizeof(*tmp)))) {
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2007-01-26 22:55:06 +00:00
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AST_RWLIST_UNLOCK(&formats);
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1999-12-02 20:24:59 +00:00
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return -1;
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}
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2006-04-04 12:59:25 +00:00
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*tmp = *f;
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2006-08-21 02:11:39 +00:00
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tmp->module = mod;
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2006-04-04 12:59:25 +00:00
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if (tmp->buf_size) {
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/*
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* Align buf_size properly, rounding up to the machine-specific
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* alignment for pointers.
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*/
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struct _test_align { void *a, *b; } p;
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int align = (char *)&p.b - (char *)&p.a;
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2008-03-04 23:04:29 +00:00
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tmp->buf_size = ((f->buf_size + align - 1) / align) * align;
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2006-04-04 12:59:25 +00:00
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}
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memset(&tmp->list, 0, sizeof(tmp->list));
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2007-01-26 22:55:06 +00:00
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AST_RWLIST_INSERT_HEAD(&formats, tmp, list);
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AST_RWLIST_UNLOCK(&formats);
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2007-07-26 15:49:18 +00:00
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ast_verb(2, "Registered file format %s, extension(s) %s\n", f->name, f->exts);
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2006-08-21 02:11:39 +00:00
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1999-12-02 20:24:59 +00:00
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return 0;
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}
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2004-11-13 16:13:07 +00:00
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int ast_format_unregister(const char *name)
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1999-12-02 20:24:59 +00:00
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{
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2006-01-09 21:30:46 +00:00
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struct ast_format *tmp;
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int res = -1;
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2007-01-26 22:55:06 +00:00
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AST_RWLIST_WRLOCK(&formats);
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AST_RWLIST_TRAVERSE_SAFE_BEGIN(&formats, tmp, list) {
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1999-12-02 20:24:59 +00:00
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if (!strcasecmp(name, tmp->name)) {
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2007-11-08 05:28:47 +00:00
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AST_RWLIST_REMOVE_CURRENT(list);
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2007-06-06 21:20:11 +00:00
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ast_free(tmp);
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2006-01-09 21:30:46 +00:00
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res = 0;
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1999-12-02 20:24:59 +00:00
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}
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}
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2007-11-08 05:28:47 +00:00
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AST_RWLIST_TRAVERSE_SAFE_END;
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2007-01-26 22:55:06 +00:00
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AST_RWLIST_UNLOCK(&formats);
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2006-01-09 21:30:46 +00:00
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2007-07-26 15:49:18 +00:00
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if (!res)
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ast_verb(2, "Unregistered format %s\n", name);
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else
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2006-01-09 21:30:46 +00:00
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ast_log(LOG_WARNING, "Tried to unregister format %s, already unregistered\n", name);
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return res;
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1999-12-02 20:24:59 +00:00
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}
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int ast_stopstream(struct ast_channel *tmp)
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{
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2007-11-29 00:07:32 +00:00
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ast_channel_lock(tmp);
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1999-12-02 20:24:59 +00:00
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/* Stop a running stream if there is one */
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2003-06-29 03:24:39 +00:00
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if (tmp->stream) {
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ast_closestream(tmp->stream);
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2006-05-02 20:06:21 +00:00
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tmp->stream = NULL;
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2004-04-06 22:17:32 +00:00
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if (tmp->oldwriteformat && ast_set_write_format(tmp, tmp->oldwriteformat))
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2003-06-29 03:24:39 +00:00
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ast_log(LOG_WARNING, "Unable to restore format back to %d\n", tmp->oldwriteformat);
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}
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2007-05-06 13:11:15 +00:00
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/* Stop the video stream too */
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if (tmp->vstream != NULL) {
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ast_closestream(tmp->vstream);
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tmp->vstream = NULL;
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}
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2007-11-29 00:07:32 +00:00
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ast_channel_unlock(tmp);
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1999-12-02 20:24:59 +00:00
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return 0;
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}
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int ast_writestream(struct ast_filestream *fs, struct ast_frame *f)
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{
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int res = -1;
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2006-04-04 12:59:25 +00:00
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int alt = 0;
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2003-06-29 03:24:39 +00:00
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if (f->frametype == AST_FRAME_VIDEO) {
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2007-11-06 22:51:48 +00:00
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if (fs->fmt->format & AST_FORMAT_AUDIO_MASK) {
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2003-06-29 03:24:39 +00:00
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/* This is the audio portion. Call the video one... */
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if (!fs->vfs && fs->filename) {
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2006-01-07 17:54:22 +00:00
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const char *type = ast_getformatname(f->subclass & ~0x1);
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2003-06-29 03:24:39 +00:00
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fs->vfs = ast_writefile(fs->filename, type, NULL, fs->flags, 0, fs->mode);
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2007-06-14 19:39:12 +00:00
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ast_debug(1, "Opened video output file\n");
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2003-06-29 03:24:39 +00:00
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}
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if (fs->vfs)
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return ast_writestream(fs->vfs, f);
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2006-04-04 12:59:25 +00:00
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/* else ignore */
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2003-06-29 03:24:39 +00:00
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return 0;
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} else {
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/* Might / might not have mark set */
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alt = 1;
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}
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} else if (f->frametype != AST_FRAME_VOICE) {
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1999-12-02 20:24:59 +00:00
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ast_log(LOG_WARNING, "Tried to write non-voice frame\n");
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return -1;
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}
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2003-06-29 03:24:39 +00:00
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if (((fs->fmt->format | alt) & f->subclass) == f->subclass) {
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2000-01-02 23:51:30 +00:00
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res = fs->fmt->write(fs, f);
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if (res < 0)
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ast_log(LOG_WARNING, "Natural write failed\n");
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2006-04-04 12:59:25 +00:00
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else if (res > 0)
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2000-01-02 23:51:30 +00:00
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ast_log(LOG_WARNING, "Huh??\n");
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} else {
|
1999-12-02 20:24:59 +00:00
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/* XXX If they try to send us a type of frame that isn't the normal frame, and isn't
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the one we've setup a translator for, we do the "wrong thing" XXX */
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2006-04-04 12:59:25 +00:00
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if (fs->trans && f->subclass != fs->lastwriteformat) {
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2003-05-28 19:45:07 +00:00
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ast_translator_free_path(fs->trans);
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fs->trans = NULL;
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}
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1999-12-02 20:24:59 +00:00
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if (!fs->trans)
|
2001-03-10 19:12:11 +00:00
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fs->trans = ast_translator_build_path(fs->fmt->format, f->subclass);
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1999-12-02 20:24:59 +00:00
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if (!fs->trans)
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2006-04-04 12:59:25 +00:00
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ast_log(LOG_WARNING, "Unable to translate to format %s, source format %s\n",
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fs->fmt->name, ast_getformatname(f->subclass));
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1999-12-02 20:24:59 +00:00
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else {
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2006-04-04 12:59:25 +00:00
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struct ast_frame *trf;
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2003-05-28 19:45:07 +00:00
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fs->lastwriteformat = f->subclass;
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2001-03-10 19:12:11 +00:00
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/* Get the translated frame but don't consume the original in case they're using it on another stream */
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trf = ast_translate(fs->trans, f, 0);
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2002-09-03 21:55:10 +00:00
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if (trf) {
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res = fs->fmt->write(fs, trf);
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2008-01-31 23:14:57 +00:00
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ast_frfree(trf);
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2002-09-03 21:55:10 +00:00
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if (res)
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ast_log(LOG_WARNING, "Translated frame write failed\n");
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} else
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res = 0;
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1999-12-02 20:24:59 +00:00
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}
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}
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2006-04-04 12:59:25 +00:00
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return res;
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1999-12-02 20:24:59 +00:00
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}
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2004-11-13 16:13:07 +00:00
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static int copy(const char *infile, const char *outfile)
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2001-06-13 20:36:52 +00:00
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{
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2006-04-04 12:59:25 +00:00
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int ifd, ofd, len;
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char buf[4096]; /* XXX make it lerger. */
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2004-06-23 18:00:50 +00:00
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2001-06-13 20:36:52 +00:00
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if ((ifd = open(infile, O_RDONLY)) < 0) {
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ast_log(LOG_WARNING, "Unable to open %s in read-only mode\n", infile);
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return -1;
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}
|
2006-12-21 19:44:20 +00:00
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if ((ofd = open(outfile, O_WRONLY | O_TRUNC | O_CREAT, AST_FILE_MODE)) < 0) {
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2001-06-13 20:36:52 +00:00
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ast_log(LOG_WARNING, "Unable to open %s in write-only mode\n", outfile);
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close(ifd);
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return -1;
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}
|
2006-04-04 12:59:25 +00:00
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while ( (len = read(ifd, buf, sizeof(buf)) ) ) {
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int res;
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2001-06-13 20:36:52 +00:00
|
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if (len < 0) {
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ast_log(LOG_WARNING, "Read failed on %s: %s\n", infile, strerror(errno));
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2006-04-04 12:59:25 +00:00
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break;
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2001-06-13 20:36:52 +00:00
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}
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2006-04-04 12:59:25 +00:00
|
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/* XXX handle partial writes */
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res = write(ofd, buf, len);
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if (res != len) {
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ast_log(LOG_WARNING, "Write failed on %s (%d of %d): %s\n", outfile, res, len, strerror(errno));
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len = -1; /* error marker */
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break;
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2001-06-13 20:36:52 +00:00
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}
|
2006-04-04 12:59:25 +00:00
|
|
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}
|
2001-06-13 20:36:52 +00:00
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close(ifd);
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close(ofd);
|
2006-04-04 12:59:25 +00:00
|
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|
if (len < 0) {
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|
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unlink(outfile);
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return -1; /* error */
|
|
|
|
}
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return 0; /* success */
|
2001-06-13 20:36:52 +00:00
|
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|
}
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|
2006-04-04 12:59:25 +00:00
|
|
|
/*!
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|
|
* \brief construct a filename. Absolute pathnames are preserved,
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* relative names are prefixed by the sounds/ directory.
|
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|
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* The wav49 suffix is replaced by 'WAV'.
|
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* Returns a malloc'ed string to be freed by the caller.
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*/
|
2004-11-14 22:38:34 +00:00
|
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|
static char *build_filename(const char *filename, const char *ext)
|
1999-12-02 20:24:59 +00:00
|
|
|
{
|
2006-04-04 12:59:25 +00:00
|
|
|
char *fn = NULL;
|
2004-07-14 07:44:19 +00:00
|
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|
|
2006-04-04 12:59:25 +00:00
|
|
|
if (!strcmp(ext, "wav49"))
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ext = "WAV";
|
2005-01-10 04:18:18 +00:00
|
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|
|
2008-11-02 18:52:13 +00:00
|
|
|
if (filename[0] == '/') {
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|
|
if (asprintf(&fn, "%s.%s", filename, ext) < 0) {
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|
|
ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
|
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|
|
fn = NULL;
|
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|
|
}
|
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|
|
} else {
|
|
|
|
if (asprintf(&fn, "%s/sounds/%s.%s",
|
|
|
|
ast_config_AST_DATA_DIR, filename, ext) < 0) {
|
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|
|
ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
|
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|
|
fn = NULL;
|
|
|
|
}
|
|
|
|
}
|
1999-12-02 20:24:59 +00:00
|
|
|
return fn;
|
|
|
|
}
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
/* compare type against the list 'exts' */
|
|
|
|
/* XXX need a better algorithm */
|
2004-11-14 22:38:34 +00:00
|
|
|
static int exts_compare(const char *exts, const char *type)
|
2004-02-25 22:31:51 +00:00
|
|
|
{
|
|
|
|
char tmp[256];
|
2006-04-04 12:59:25 +00:00
|
|
|
char *stringp = tmp, *ext;
|
2004-02-25 22:31:51 +00:00
|
|
|
|
2005-06-05 16:32:16 +00:00
|
|
|
ast_copy_string(tmp, exts, sizeof(tmp));
|
2004-02-25 22:31:51 +00:00
|
|
|
while ((ext = strsep(&stringp, "|"))) {
|
2006-04-04 12:59:25 +00:00
|
|
|
if (!strcmp(ext, type))
|
2004-02-25 22:31:51 +00:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-11-20 18:20:00 +00:00
|
|
|
static void filestream_destructor(void *arg)
|
|
|
|
{
|
|
|
|
char *cmd = NULL;
|
|
|
|
size_t size = 0;
|
|
|
|
struct ast_filestream *f = arg;
|
|
|
|
|
|
|
|
/* Stop a running stream if there is one */
|
|
|
|
if (f->owner) {
|
|
|
|
if (f->fmt->format < AST_FORMAT_AUDIO_MASK) {
|
|
|
|
f->owner->stream = NULL;
|
|
|
|
AST_SCHED_DEL(f->owner->sched, f->owner->streamid);
|
|
|
|
#ifdef HAVE_DAHDI
|
|
|
|
ast_settimeout(f->owner, 0, NULL, NULL);
|
|
|
|
#endif
|
|
|
|
} else {
|
|
|
|
f->owner->vstream = NULL;
|
|
|
|
AST_SCHED_DEL(f->owner->sched, f->owner->vstreamid);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* destroy the translator on exit */
|
|
|
|
if (f->trans)
|
|
|
|
ast_translator_free_path(f->trans);
|
|
|
|
|
|
|
|
if (f->realfilename && f->filename) {
|
|
|
|
size = strlen(f->filename) + strlen(f->realfilename) + 15;
|
|
|
|
cmd = alloca(size);
|
|
|
|
memset(cmd,0,size);
|
|
|
|
snprintf(cmd,size,"/bin/mv -f %s %s",f->filename,f->realfilename);
|
|
|
|
ast_safe_system(cmd);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (f->filename)
|
|
|
|
free(f->filename);
|
|
|
|
if (f->realfilename)
|
|
|
|
free(f->realfilename);
|
|
|
|
if (f->fmt->close)
|
|
|
|
f->fmt->close(f);
|
|
|
|
fclose(f->f);
|
|
|
|
if (f->vfs)
|
|
|
|
ast_closestream(f->vfs);
|
|
|
|
if (f->orig_chan_name)
|
|
|
|
free((void *) f->orig_chan_name);
|
|
|
|
ast_module_unref(f->fmt->module);
|
|
|
|
}
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
static struct ast_filestream *get_filestream(struct ast_format *fmt, FILE *bfile)
|
|
|
|
{
|
|
|
|
struct ast_filestream *s;
|
|
|
|
|
|
|
|
int l = sizeof(*s) + fmt->buf_size + fmt->desc_size; /* total allocation size */
|
2008-11-20 18:20:00 +00:00
|
|
|
if ( (s = ao2_alloc(l, filestream_destructor)) == NULL)
|
2006-04-04 12:59:25 +00:00
|
|
|
return NULL;
|
|
|
|
s->fmt = fmt;
|
|
|
|
s->f = bfile;
|
|
|
|
|
|
|
|
if (fmt->desc_size)
|
2008-03-04 23:04:29 +00:00
|
|
|
s->_private = ((char *)(s + 1)) + fmt->buf_size;
|
2006-04-04 12:59:25 +00:00
|
|
|
if (fmt->buf_size)
|
2008-03-04 23:04:29 +00:00
|
|
|
s->buf = (char *)(s + 1);
|
2006-04-04 12:59:25 +00:00
|
|
|
s->fr.src = fmt->name;
|
|
|
|
return s;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Default implementations of open and rewrite.
|
|
|
|
* Only use them if you don't have expensive stuff to do.
|
|
|
|
*/
|
|
|
|
enum wrap_fn { WRAP_OPEN, WRAP_REWRITE };
|
|
|
|
|
|
|
|
static int fn_wrapper(struct ast_filestream *s, const char *comment, enum wrap_fn mode)
|
|
|
|
{
|
|
|
|
struct ast_format *f = s->fmt;
|
|
|
|
int ret = -1;
|
|
|
|
|
|
|
|
if (mode == WRAP_OPEN && f->open && f->open(s))
|
2008-03-04 23:04:29 +00:00
|
|
|
ast_log(LOG_WARNING, "Unable to open format %s\n", f->name);
|
2006-04-04 12:59:25 +00:00
|
|
|
else if (mode == WRAP_REWRITE && f->rewrite && f->rewrite(s, comment))
|
2008-03-04 23:04:29 +00:00
|
|
|
ast_log(LOG_WARNING, "Unable to rewrite format %s\n", f->name);
|
2006-04-04 12:59:25 +00:00
|
|
|
else {
|
|
|
|
/* preliminary checks succeed. update usecount */
|
2006-08-21 02:11:39 +00:00
|
|
|
ast_module_ref(f->module);
|
2006-04-04 12:59:25 +00:00
|
|
|
ret = 0;
|
|
|
|
}
|
2008-03-04 23:04:29 +00:00
|
|
|
return ret;
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int rewrite_wrapper(struct ast_filestream *s, const char *comment)
|
|
|
|
{
|
|
|
|
return fn_wrapper(s, comment, WRAP_REWRITE);
|
|
|
|
}
|
2008-03-04 23:04:29 +00:00
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
static int open_wrapper(struct ast_filestream *s)
|
|
|
|
{
|
|
|
|
return fn_wrapper(s, NULL, WRAP_OPEN);
|
|
|
|
}
|
|
|
|
|
2006-02-09 02:08:04 +00:00
|
|
|
enum file_action {
|
2006-04-04 12:59:25 +00:00
|
|
|
ACTION_EXISTS = 1, /* return matching format if file exists, 0 otherwise */
|
|
|
|
ACTION_DELETE, /* delete file, return 0 on success, -1 on error */
|
|
|
|
ACTION_RENAME, /* rename file. return 0 on success, -1 on error */
|
2006-02-09 02:08:04 +00:00
|
|
|
ACTION_OPEN,
|
2006-04-04 12:59:25 +00:00
|
|
|
ACTION_COPY /* copy file. return 0 on success, -1 on error */
|
2006-02-09 02:08:04 +00:00
|
|
|
};
|
1999-12-02 20:24:59 +00:00
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
/*!
|
|
|
|
* \brief perform various actions on a file. Second argument
|
|
|
|
* arg2 depends on the command:
|
|
|
|
* unused for EXISTS and DELETE
|
|
|
|
* destination file name (const char *) for COPY and RENAME
|
|
|
|
* struct ast_channel * for OPEN
|
2006-04-06 15:08:31 +00:00
|
|
|
* if fmt is NULL, OPEN will return the first matching entry,
|
|
|
|
* whereas other functions will run on all matching entries.
|
2006-04-04 12:59:25 +00:00
|
|
|
*/
|
|
|
|
static int ast_filehelper(const char *filename, const void *arg2, const char *fmt, const enum file_action action)
|
1999-12-02 20:24:59 +00:00
|
|
|
{
|
|
|
|
struct ast_format *f;
|
2006-04-04 12:59:25 +00:00
|
|
|
int res = (action == ACTION_EXISTS) ? 0 : -1;
|
|
|
|
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_RDLOCK(&formats);
|
2006-04-04 12:59:25 +00:00
|
|
|
/* Check for a specific format */
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_TRAVERSE(&formats, f, list) {
|
2006-04-06 15:08:31 +00:00
|
|
|
char *stringp, *ext = NULL;
|
2006-04-04 12:59:25 +00:00
|
|
|
|
|
|
|
if (fmt && !exts_compare(f->exts, fmt))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* Look for a file matching the supported extensions.
|
|
|
|
* The file must exist, and for OPEN, must match
|
|
|
|
* one of the formats supported by the channel.
|
|
|
|
*/
|
2006-04-06 15:08:31 +00:00
|
|
|
stringp = ast_strdupa(f->exts); /* this is in the stack so does not need to be freed */
|
2006-04-04 12:59:25 +00:00
|
|
|
while ( (ext = strsep(&stringp, "|")) ) {
|
|
|
|
struct stat st;
|
2006-04-06 15:08:31 +00:00
|
|
|
char *fn = build_filename(filename, ext);
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
if (fn == NULL)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if ( stat(fn, &st) ) { /* file not existent */
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
2006-04-04 12:59:25 +00:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
/* for 'OPEN' we need to be sure that the format matches
|
|
|
|
* what the channel can process
|
|
|
|
*/
|
|
|
|
if (action == ACTION_OPEN) {
|
|
|
|
struct ast_channel *chan = (struct ast_channel *)arg2;
|
|
|
|
FILE *bfile;
|
|
|
|
struct ast_filestream *s;
|
|
|
|
|
|
|
|
if ( !(chan->writeformat & f->format) &&
|
2008-08-29 16:24:37 +00:00
|
|
|
!((f->format & AST_FORMAT_AUDIO_MASK && fmt) ||
|
|
|
|
(f->format & AST_FORMAT_VIDEO_MASK && fmt))) {
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
2006-04-04 12:59:25 +00:00
|
|
|
continue; /* not a supported format */
|
|
|
|
}
|
|
|
|
if ( (bfile = fopen(fn, "r")) == NULL) {
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
2006-04-04 12:59:25 +00:00
|
|
|
continue; /* cannot open file */
|
|
|
|
}
|
|
|
|
s = get_filestream(f, bfile);
|
|
|
|
if (!s) {
|
|
|
|
fclose(bfile);
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn); /* cannot allocate descriptor */
|
2006-04-04 12:59:25 +00:00
|
|
|
continue;
|
1999-12-02 20:24:59 +00:00
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
if (open_wrapper(s)) {
|
|
|
|
fclose(bfile);
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
|
|
|
ast_free(s);
|
2006-04-04 12:59:25 +00:00
|
|
|
continue; /* cannot run open on file */
|
|
|
|
}
|
2008-11-20 17:37:31 +00:00
|
|
|
if (st.st_size == 0) {
|
|
|
|
ast_log(LOG_WARNING, "File %s detected to have zero size.\n", fn);
|
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
/* ok this is good for OPEN */
|
|
|
|
res = 1; /* found */
|
|
|
|
s->lasttimeout = -1;
|
|
|
|
s->fmt = f;
|
|
|
|
s->trans = NULL;
|
|
|
|
s->filename = NULL;
|
2007-11-06 22:51:48 +00:00
|
|
|
if (s->fmt->format & AST_FORMAT_AUDIO_MASK) {
|
2007-04-08 01:42:32 +00:00
|
|
|
if (chan->stream)
|
|
|
|
ast_closestream(chan->stream);
|
2006-04-04 12:59:25 +00:00
|
|
|
chan->stream = s;
|
2007-04-08 01:42:32 +00:00
|
|
|
} else {
|
|
|
|
if (chan->vstream)
|
|
|
|
ast_closestream(chan->vstream);
|
2006-04-04 12:59:25 +00:00
|
|
|
chan->vstream = s;
|
2007-04-08 01:42:32 +00:00
|
|
|
}
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
2006-04-06 15:08:31 +00:00
|
|
|
break;
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
2006-04-06 15:08:31 +00:00
|
|
|
switch (action) {
|
|
|
|
case ACTION_OPEN:
|
|
|
|
break; /* will never get here */
|
|
|
|
|
|
|
|
case ACTION_EXISTS: /* return the matching format */
|
|
|
|
res |= f->format;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ACTION_DELETE:
|
|
|
|
if ( (res = unlink(fn)) )
|
|
|
|
ast_log(LOG_WARNING, "unlink(%s) failed: %s\n", fn, strerror(errno));
|
|
|
|
break;
|
|
|
|
|
|
|
|
case ACTION_RENAME:
|
|
|
|
case ACTION_COPY: {
|
|
|
|
char *nfn = build_filename((const char *)arg2, ext);
|
|
|
|
if (!nfn)
|
|
|
|
ast_log(LOG_WARNING, "Out of memory\n");
|
|
|
|
else {
|
|
|
|
res = action == ACTION_COPY ? copy(fn, nfn) : rename(fn, nfn);
|
|
|
|
if (res)
|
|
|
|
ast_log(LOG_WARNING, "%s(%s,%s) failed: %s\n",
|
|
|
|
action == ACTION_COPY ? "copy" : "rename",
|
|
|
|
fn, nfn, strerror(errno));
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(nfn);
|
2006-04-06 15:08:31 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
2006-04-04 12:59:25 +00:00
|
|
|
|
2006-04-06 15:08:31 +00:00
|
|
|
default:
|
|
|
|
ast_log(LOG_WARNING, "Unknown helper %d\n", action);
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
1999-12-02 20:24:59 +00:00
|
|
|
}
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_UNLOCK(&formats);
|
1999-12-02 20:24:59 +00:00
|
|
|
return res;
|
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
|
2008-03-06 22:11:30 +00:00
|
|
|
static int is_absolute_path(const char *filename)
|
|
|
|
{
|
|
|
|
return filename[0] == '/';
|
|
|
|
}
|
|
|
|
|
|
|
|
static int fileexists_test(const char *filename, const char *fmt, const char *lang,
|
|
|
|
char *buf, int buflen)
|
|
|
|
{
|
|
|
|
if (buf == NULL) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2008-04-10 17:27:16 +00:00
|
|
|
if (ast_language_is_prefix && !is_absolute_path(filename)) { /* new layout */
|
2008-03-06 22:11:30 +00:00
|
|
|
if (lang) {
|
|
|
|
snprintf(buf, buflen, "%s/%s", lang, filename);
|
|
|
|
} else {
|
|
|
|
snprintf(buf, buflen, "%s", filename);
|
|
|
|
}
|
|
|
|
} else { /* old layout */
|
|
|
|
strcpy(buf, filename); /* first copy the full string */
|
|
|
|
if (lang) {
|
|
|
|
/* insert the language and suffix if needed */
|
|
|
|
const char *c = strrchr(filename, '/');
|
|
|
|
int offset = c ? c - filename + 1 : 0; /* points right after the last '/' */
|
|
|
|
snprintf(buf + offset, buflen - offset, "%s/%s", lang, filename + offset);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return ast_filehelper(buf, NULL, fmt, ACTION_EXISTS);
|
|
|
|
}
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
/*!
|
|
|
|
* \brief helper routine to locate a file with a given format
|
|
|
|
* and language preference.
|
|
|
|
* Try preflang, preflang with stripped '_' suffix, or NULL.
|
|
|
|
* In the standard asterisk, language goes just before the last component.
|
|
|
|
* In an alternative configuration, the language should be a prefix
|
|
|
|
* to the actual filename.
|
|
|
|
*
|
|
|
|
* The last parameter(s) point to a buffer of sufficient size,
|
|
|
|
* which on success is filled with the matching filename.
|
|
|
|
*/
|
|
|
|
static int fileexists_core(const char *filename, const char *fmt, const char *preflang,
|
2008-02-27 16:54:14 +00:00
|
|
|
char *buf, int buflen)
|
2006-04-04 12:59:25 +00:00
|
|
|
{
|
|
|
|
int res = -1;
|
2008-03-06 22:11:30 +00:00
|
|
|
char *lang = NULL;
|
2006-04-04 12:59:25 +00:00
|
|
|
|
2008-03-06 22:11:30 +00:00
|
|
|
if (buf == NULL) {
|
|
|
|
return -1;
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
2008-02-27 16:54:14 +00:00
|
|
|
|
2008-03-06 22:11:30 +00:00
|
|
|
/* We try languages in the following order:
|
|
|
|
* preflang (may include dialect)
|
|
|
|
* lang (preflang without dialect - if any)
|
|
|
|
* <none>
|
|
|
|
* default (unless the same as preflang or lang without dialect)
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Try preferred language */
|
|
|
|
if (!ast_strlen_zero(preflang)) {
|
|
|
|
/* try the preflang exactly as it was requested */
|
|
|
|
if ((res = fileexists_test(filename, fmt, preflang, buf, buflen)) > 0) {
|
|
|
|
return res;
|
|
|
|
} else {
|
|
|
|
/* try without a dialect */
|
|
|
|
char *postfix = NULL;
|
|
|
|
postfix = lang = ast_strdupa(preflang);
|
|
|
|
|
|
|
|
strsep(&postfix, "_");
|
|
|
|
if (postfix) {
|
|
|
|
if ((res = fileexists_test(filename, fmt, lang, buf, buflen)) > 0) {
|
|
|
|
return res;
|
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
|
|
|
}
|
2008-03-06 22:11:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Try without any language */
|
|
|
|
if ((res = fileexists_test(filename, fmt, NULL, buf, buflen)) > 0) {
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Finally try the default language unless it was already tried before */
|
|
|
|
if ((ast_strlen_zero(preflang) || strcmp(preflang, DEFAULT_LANGUAGE)) && (ast_strlen_zero(lang) || strcmp(lang, DEFAULT_LANGUAGE))) {
|
|
|
|
if ((res = fileexists_test(filename, fmt, DEFAULT_LANGUAGE, buf, buflen)) > 0) {
|
|
|
|
return res;
|
2008-02-27 16:54:14 +00:00
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
2008-02-27 16:54:14 +00:00
|
|
|
|
2008-03-06 22:11:30 +00:00
|
|
|
return 0;
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
|
|
|
|
2004-11-13 16:13:07 +00:00
|
|
|
struct ast_filestream *ast_openstream(struct ast_channel *chan, const char *filename, const char *preflang)
|
2004-12-24 01:40:07 +00:00
|
|
|
{
|
|
|
|
return ast_openstream_full(chan, filename, preflang, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
struct ast_filestream *ast_openstream_full(struct ast_channel *chan, const char *filename, const char *preflang, int asis)
|
1999-12-02 20:24:59 +00:00
|
|
|
{
|
2006-04-04 12:59:25 +00:00
|
|
|
/*
|
|
|
|
* Use fileexists_core() to find a file in a compatible
|
|
|
|
* language and format, set up a suitable translator,
|
|
|
|
* and open the stream.
|
|
|
|
*/
|
|
|
|
int fmts, res, buflen;
|
|
|
|
char *buf;
|
2004-12-24 01:40:07 +00:00
|
|
|
|
|
|
|
if (!asis) {
|
|
|
|
/* do this first, otherwise we detect the wrong writeformat */
|
|
|
|
ast_stopstream(chan);
|
|
|
|
if (chan->generator)
|
|
|
|
ast_deactivate_generator(chan);
|
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
if (preflang == NULL)
|
|
|
|
preflang = "";
|
2008-02-27 17:45:55 +00:00
|
|
|
buflen = strlen(preflang) + strlen(filename) + 4;
|
2006-04-04 12:59:25 +00:00
|
|
|
buf = alloca(buflen);
|
|
|
|
if (buf == NULL)
|
|
|
|
return NULL;
|
|
|
|
fmts = fileexists_core(filename, NULL, preflang, buf, buflen);
|
|
|
|
if (fmts > 0)
|
|
|
|
fmts &= AST_FORMAT_AUDIO_MASK;
|
1999-12-02 20:24:59 +00:00
|
|
|
if (fmts < 1) {
|
|
|
|
ast_log(LOG_WARNING, "File %s does not exist in any format\n", filename);
|
2003-02-06 22:11:43 +00:00
|
|
|
return NULL;
|
1999-12-02 20:24:59 +00:00
|
|
|
}
|
2001-03-10 19:12:11 +00:00
|
|
|
chan->oldwriteformat = chan->writeformat;
|
|
|
|
/* Set the channel to a format we can work with */
|
2004-04-06 22:17:32 +00:00
|
|
|
res = ast_set_write_format(chan, fmts);
|
2006-04-04 12:59:25 +00:00
|
|
|
res = ast_filehelper(buf, chan, NULL, ACTION_OPEN);
|
2005-10-16 16:12:51 +00:00
|
|
|
if (res >= 0)
|
2003-02-06 22:11:43 +00:00
|
|
|
return chan->stream;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2004-11-13 16:13:07 +00:00
|
|
|
struct ast_filestream *ast_openvstream(struct ast_channel *chan, const char *filename, const char *preflang)
|
2003-06-29 03:24:39 +00:00
|
|
|
{
|
2006-04-04 12:59:25 +00:00
|
|
|
/* As above, but for video. But here we don't have translators
|
|
|
|
* so we must enforce a format.
|
|
|
|
*/
|
2006-01-07 17:54:22 +00:00
|
|
|
unsigned int format;
|
2006-04-04 12:59:25 +00:00
|
|
|
char *buf;
|
|
|
|
int buflen;
|
|
|
|
|
|
|
|
if (preflang == NULL)
|
|
|
|
preflang = "";
|
2008-02-27 20:37:32 +00:00
|
|
|
buflen = strlen(preflang) + strlen(filename) + 4;
|
2006-04-04 12:59:25 +00:00
|
|
|
buf = alloca(buflen);
|
|
|
|
if (buf == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
2007-11-06 22:51:48 +00:00
|
|
|
for (format = AST_FORMAT_AUDIO_MASK + 1; format <= AST_FORMAT_VIDEO_MASK; format = format << 1) {
|
2006-04-04 12:59:25 +00:00
|
|
|
int fd;
|
|
|
|
const char *fmt;
|
|
|
|
|
2006-01-07 17:54:22 +00:00
|
|
|
if (!(chan->nativeformats & format))
|
|
|
|
continue;
|
|
|
|
fmt = ast_getformatname(format);
|
2006-04-04 12:59:25 +00:00
|
|
|
if ( fileexists_core(filename, fmt, preflang, buf, buflen) < 1) /* no valid format */
|
2006-01-07 17:54:22 +00:00
|
|
|
continue;
|
2006-04-04 12:59:25 +00:00
|
|
|
fd = ast_filehelper(buf, chan, fmt, ACTION_OPEN);
|
2006-01-07 17:54:22 +00:00
|
|
|
if (fd >= 0)
|
|
|
|
return chan->vstream;
|
|
|
|
ast_log(LOG_WARNING, "File %s has video but couldn't be opened\n", filename);
|
2003-06-29 03:24:39 +00:00
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2003-12-19 18:06:29 +00:00
|
|
|
struct ast_frame *ast_readframe(struct ast_filestream *s)
|
|
|
|
{
|
|
|
|
struct ast_frame *f = NULL;
|
|
|
|
int whennext = 0;
|
|
|
|
if (s && s->fmt)
|
|
|
|
f = s->fmt->read(s, &whennext);
|
2008-11-20 18:20:00 +00:00
|
|
|
if (f) {
|
|
|
|
ast_set_flag(f, AST_FRFLAG_FROM_FILESTREAM);
|
|
|
|
ao2_ref(s, +1);
|
|
|
|
}
|
2003-12-19 18:06:29 +00:00
|
|
|
return f;
|
|
|
|
}
|
|
|
|
|
2007-09-05 20:58:19 +00:00
|
|
|
enum fsread_res {
|
|
|
|
FSREAD_FAILURE,
|
|
|
|
FSREAD_SUCCESS_SCHED,
|
|
|
|
FSREAD_SUCCESS_NOSCHED,
|
|
|
|
};
|
|
|
|
|
2007-09-21 14:40:10 +00:00
|
|
|
static int ast_fsread_audio(const void *data);
|
2007-09-05 20:58:19 +00:00
|
|
|
|
|
|
|
static enum fsread_res ast_readaudio_callback(struct ast_filestream *s)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
2003-06-28 22:50:47 +00:00
|
|
|
int whennext = 0;
|
|
|
|
|
2007-01-23 00:11:32 +00:00
|
|
|
while (!whennext) {
|
2007-09-05 20:58:19 +00:00
|
|
|
struct ast_frame *fr;
|
|
|
|
|
|
|
|
if (s->orig_chan_name && strcasecmp(s->owner->name, s->orig_chan_name))
|
|
|
|
goto return_failure;
|
|
|
|
|
|
|
|
fr = s->fmt->read(s, &whennext);
|
2006-04-04 12:59:25 +00:00
|
|
|
if (!fr /* stream complete */ || ast_write(s->owner, fr) /* error writing */) {
|
|
|
|
if (fr)
|
2003-06-28 22:50:47 +00:00
|
|
|
ast_log(LOG_WARNING, "Failed to write frame\n");
|
2007-09-05 20:58:19 +00:00
|
|
|
goto return_failure;
|
2003-06-28 22:50:47 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
if (whennext != s->lasttimeout) {
|
2008-03-20 20:08:26 +00:00
|
|
|
if (s->owner->timingfd > -1) {
|
2008-06-13 12:45:50 +00:00
|
|
|
float samp_rate = (float) ast_format_rate(s->fmt->format);
|
|
|
|
unsigned int rate;
|
|
|
|
|
|
|
|
rate = (unsigned int) roundf(samp_rate / ((float) whennext));
|
|
|
|
|
|
|
|
ast_settimeout(s->owner, rate, ast_fsread_audio, s);
|
|
|
|
} else {
|
2008-03-07 00:24:58 +00:00
|
|
|
s->owner->streamid = ast_sched_add(s->owner->sched,
|
|
|
|
whennext / (ast_format_rate(s->fmt->format) / 1000), ast_fsread_audio, s);
|
2008-06-13 12:45:50 +00:00
|
|
|
}
|
2003-06-28 22:50:47 +00:00
|
|
|
s->lasttimeout = whennext;
|
2007-09-05 20:58:19 +00:00
|
|
|
return FSREAD_SUCCESS_NOSCHED;
|
2003-02-06 22:11:43 +00:00
|
|
|
}
|
2007-09-05 20:58:19 +00:00
|
|
|
return FSREAD_SUCCESS_SCHED;
|
|
|
|
|
|
|
|
return_failure:
|
|
|
|
s->owner->streamid = -1;
|
|
|
|
ast_settimeout(s->owner, 0, NULL, NULL);
|
|
|
|
return FSREAD_FAILURE;
|
2003-06-28 22:50:47 +00:00
|
|
|
}
|
|
|
|
|
2007-09-21 14:40:10 +00:00
|
|
|
static int ast_fsread_audio(const void *data)
|
2007-09-05 20:58:19 +00:00
|
|
|
{
|
2007-09-21 14:40:10 +00:00
|
|
|
struct ast_filestream *fs = (struct ast_filestream *)data;
|
2007-09-05 20:58:19 +00:00
|
|
|
enum fsread_res res;
|
|
|
|
|
|
|
|
res = ast_readaudio_callback(fs);
|
|
|
|
|
|
|
|
if (res == FSREAD_SUCCESS_SCHED)
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-09-21 14:40:10 +00:00
|
|
|
static int ast_fsread_video(const void *data);
|
2007-09-05 20:58:19 +00:00
|
|
|
|
|
|
|
static enum fsread_res ast_readvideo_callback(struct ast_filestream *s)
|
2003-06-29 03:24:39 +00:00
|
|
|
{
|
|
|
|
int whennext = 0;
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
while (!whennext) {
|
|
|
|
struct ast_frame *fr = s->fmt->read(s, &whennext);
|
|
|
|
if (!fr || ast_write(s->owner, fr)) { /* no stream or error, as above */
|
|
|
|
if (fr)
|
2003-06-29 03:24:39 +00:00
|
|
|
ast_log(LOG_WARNING, "Failed to write frame\n");
|
|
|
|
s->owner->vstreamid = -1;
|
2007-09-05 20:58:19 +00:00
|
|
|
return FSREAD_FAILURE;
|
2003-06-29 03:24:39 +00:00
|
|
|
}
|
|
|
|
}
|
2007-09-05 20:58:19 +00:00
|
|
|
|
2003-06-29 03:24:39 +00:00
|
|
|
if (whennext != s->lasttimeout) {
|
2008-03-07 00:24:58 +00:00
|
|
|
s->owner->vstreamid = ast_sched_add(s->owner->sched,
|
|
|
|
whennext / (ast_format_rate(s->fmt->format) / 1000),
|
2007-09-05 20:58:19 +00:00
|
|
|
ast_fsread_video, s);
|
2003-06-29 03:24:39 +00:00
|
|
|
s->lasttimeout = whennext;
|
2007-09-05 20:58:19 +00:00
|
|
|
return FSREAD_SUCCESS_NOSCHED;
|
2003-06-29 03:24:39 +00:00
|
|
|
}
|
2007-09-05 20:58:19 +00:00
|
|
|
|
|
|
|
return FSREAD_SUCCESS_SCHED;
|
|
|
|
}
|
|
|
|
|
2007-09-21 14:40:10 +00:00
|
|
|
static int ast_fsread_video(const void *data)
|
2007-09-05 20:58:19 +00:00
|
|
|
{
|
2007-09-21 14:40:10 +00:00
|
|
|
struct ast_filestream *fs = (struct ast_filestream *)data;
|
2007-09-05 20:58:19 +00:00
|
|
|
enum fsread_res res;
|
|
|
|
|
|
|
|
res = ast_readvideo_callback(fs);
|
|
|
|
|
|
|
|
if (res == FSREAD_SUCCESS_SCHED)
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
return 0;
|
2003-06-29 03:24:39 +00:00
|
|
|
}
|
|
|
|
|
2003-06-28 22:50:47 +00:00
|
|
|
int ast_applystream(struct ast_channel *chan, struct ast_filestream *s)
|
|
|
|
{
|
|
|
|
s->owner = chan;
|
2003-02-06 22:11:43 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int ast_playstream(struct ast_filestream *s)
|
|
|
|
{
|
2007-09-05 20:58:19 +00:00
|
|
|
enum fsread_res res;
|
|
|
|
|
2007-11-06 22:51:48 +00:00
|
|
|
if (s->fmt->format & AST_FORMAT_AUDIO_MASK)
|
2007-09-05 20:58:19 +00:00
|
|
|
res = ast_readaudio_callback(s);
|
2003-06-29 03:24:39 +00:00
|
|
|
else
|
2007-09-05 20:58:19 +00:00
|
|
|
res = ast_readvideo_callback(s);
|
|
|
|
|
|
|
|
return (res == FSREAD_FAILURE) ? -1 : 0;
|
2003-02-06 22:11:43 +00:00
|
|
|
}
|
|
|
|
|
2006-02-20 23:35:12 +00:00
|
|
|
int ast_seekstream(struct ast_filestream *fs, off_t sample_offset, int whence)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
|
|
|
return fs->fmt->seek(fs, sample_offset, whence);
|
|
|
|
}
|
|
|
|
|
|
|
|
int ast_truncstream(struct ast_filestream *fs)
|
|
|
|
{
|
|
|
|
return fs->fmt->trunc(fs);
|
|
|
|
}
|
|
|
|
|
2006-02-20 23:35:12 +00:00
|
|
|
off_t ast_tellstream(struct ast_filestream *fs)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
|
|
|
return fs->fmt->tell(fs);
|
|
|
|
}
|
|
|
|
|
2006-02-20 23:35:12 +00:00
|
|
|
int ast_stream_fastforward(struct ast_filestream *fs, off_t ms)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
2006-04-04 12:59:25 +00:00
|
|
|
return ast_seekstream(fs, ms * DEFAULT_SAMPLES_PER_MS, SEEK_CUR);
|
2003-02-06 22:11:43 +00:00
|
|
|
}
|
|
|
|
|
2006-02-20 23:35:12 +00:00
|
|
|
int ast_stream_rewind(struct ast_filestream *fs, off_t ms)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
2006-04-04 12:59:25 +00:00
|
|
|
return ast_seekstream(fs, -ms * DEFAULT_SAMPLES_PER_MS, SEEK_CUR);
|
2003-02-06 22:11:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int ast_closestream(struct ast_filestream *f)
|
|
|
|
{
|
2008-11-20 18:20:00 +00:00
|
|
|
if (ast_test_flag(&f->fr, AST_FRFLAG_FROM_FILESTREAM)) {
|
|
|
|
/* If this flag is still set, it essentially means that the reference
|
|
|
|
* count of f is non-zero. We can't destroy this filestream until
|
|
|
|
* whatever is using the filestream's frame has finished.
|
|
|
|
*
|
|
|
|
* Since this was called, however, we need to remove the reference from
|
|
|
|
* when this filestream was first allocated. That way, when the embedded
|
|
|
|
* frame is freed, the refcount will reach 0 and we can finish destroying
|
|
|
|
* this filestream properly.
|
|
|
|
*/
|
|
|
|
ao2_ref(f, -1);
|
|
|
|
return 0;
|
2008-04-03 07:49:05 +00:00
|
|
|
}
|
2008-11-20 18:20:00 +00:00
|
|
|
|
|
|
|
ao2_ref(f, -1);
|
2003-02-06 22:11:43 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
/*
|
|
|
|
* Look the various language-specific places where a file could exist.
|
|
|
|
*/
|
2004-11-13 16:13:07 +00:00
|
|
|
int ast_fileexists(const char *filename, const char *fmt, const char *preflang)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
2006-04-04 12:59:25 +00:00
|
|
|
char *buf;
|
|
|
|
int buflen;
|
|
|
|
|
|
|
|
if (preflang == NULL)
|
|
|
|
preflang = "";
|
2008-02-27 20:37:32 +00:00
|
|
|
buflen = strlen(preflang) + strlen(filename) + 4; /* room for everything */
|
2006-04-04 12:59:25 +00:00
|
|
|
buf = alloca(buflen);
|
|
|
|
if (buf == NULL)
|
|
|
|
return 0;
|
|
|
|
return fileexists_core(filename, fmt, preflang, buf, buflen);
|
2003-02-06 22:11:43 +00:00
|
|
|
}
|
|
|
|
|
2004-11-13 16:13:07 +00:00
|
|
|
int ast_filedelete(const char *filename, const char *fmt)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
|
|
|
return ast_filehelper(filename, NULL, fmt, ACTION_DELETE);
|
|
|
|
}
|
|
|
|
|
2004-11-13 16:13:07 +00:00
|
|
|
int ast_filerename(const char *filename, const char *filename2, const char *fmt)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
|
|
|
return ast_filehelper(filename, filename2, fmt, ACTION_RENAME);
|
|
|
|
}
|
|
|
|
|
2004-11-13 16:13:07 +00:00
|
|
|
int ast_filecopy(const char *filename, const char *filename2, const char *fmt)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
|
|
|
return ast_filehelper(filename, filename2, fmt, ACTION_COPY);
|
|
|
|
}
|
|
|
|
|
2004-11-13 16:13:07 +00:00
|
|
|
int ast_streamfile(struct ast_channel *chan, const char *filename, const char *preflang)
|
2003-02-06 22:11:43 +00:00
|
|
|
{
|
|
|
|
struct ast_filestream *fs;
|
2006-01-07 17:54:22 +00:00
|
|
|
struct ast_filestream *vfs=NULL;
|
|
|
|
char fmt[256];
|
2008-11-20 17:37:31 +00:00
|
|
|
int seekattempt;
|
2008-11-25 00:19:55 +00:00
|
|
|
int res;
|
2003-02-06 22:11:43 +00:00
|
|
|
|
|
|
|
fs = ast_openstream(chan, filename, preflang);
|
2008-11-24 21:27:26 +00:00
|
|
|
if (!fs) {
|
|
|
|
ast_log(LOG_WARNING, "Unable to open %s (format %s): %s\n", filename, ast_getformatname_multiple(fmt, sizeof(fmt), chan->nativeformats), strerror(errno));
|
|
|
|
return -1;
|
|
|
|
}
|
2008-11-20 17:37:31 +00:00
|
|
|
|
|
|
|
/* check to see if there is any data present (not a zero length file),
|
|
|
|
* done this way because there is no where for ast_openstream_full to
|
|
|
|
* return the file had no data. */
|
|
|
|
seekattempt = fseek(fs->f, -1, SEEK_END);
|
|
|
|
if (!seekattempt)
|
|
|
|
fseek(fs->f, 0, SEEK_SET);
|
|
|
|
else
|
|
|
|
return 0;
|
|
|
|
|
2008-11-24 21:27:26 +00:00
|
|
|
vfs = ast_openvstream(chan, filename, preflang);
|
2006-10-03 15:53:07 +00:00
|
|
|
if (vfs) {
|
2007-06-14 19:39:12 +00:00
|
|
|
ast_debug(1, "Ooh, found a video stream, too, format %s\n", ast_getformatname(vfs->fmt->format));
|
2006-10-03 15:53:07 +00:00
|
|
|
}
|
2007-01-16 17:39:39 +00:00
|
|
|
|
2008-11-24 21:27:26 +00:00
|
|
|
if (ast_test_flag(chan, AST_FLAG_MASQ_NOSTREAM))
|
|
|
|
fs->orig_chan_name = ast_strdup(chan->name);
|
|
|
|
if (ast_applystream(chan, fs))
|
|
|
|
return -1;
|
|
|
|
if (vfs && ast_applystream(chan, vfs))
|
|
|
|
return -1;
|
|
|
|
res = ast_playstream(fs);
|
|
|
|
if (!res && vfs)
|
|
|
|
res = ast_playstream(vfs);
|
|
|
|
ast_verb(3, "<%s> Playing '%s.%s' (language '%s')\n", chan->name, filename, ast_getformatname(chan->writeformat), preflang ? preflang : "default");
|
|
|
|
|
|
|
|
return res;
|
1999-12-02 20:24:59 +00:00
|
|
|
}
|
|
|
|
|
2004-11-13 16:13:07 +00:00
|
|
|
struct ast_filestream *ast_readfile(const char *filename, const char *type, const char *comment, int flags, int check, mode_t mode)
|
2003-12-19 18:06:29 +00:00
|
|
|
{
|
2005-10-16 16:12:51 +00:00
|
|
|
FILE *bfile;
|
2003-12-19 18:06:29 +00:00
|
|
|
struct ast_format *f;
|
2005-07-05 14:37:24 +00:00
|
|
|
struct ast_filestream *fs = NULL;
|
2003-12-19 18:06:29 +00:00
|
|
|
char *fn;
|
2008-02-19 21:38:39 +00:00
|
|
|
int format_found = 0;
|
2005-07-05 14:37:24 +00:00
|
|
|
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_RDLOCK(&formats);
|
2005-07-05 14:37:24 +00:00
|
|
|
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_TRAVERSE(&formats, f, list) {
|
2006-04-04 12:59:25 +00:00
|
|
|
fs = NULL;
|
2005-07-05 14:37:24 +00:00
|
|
|
if (!exts_compare(f->exts, type))
|
|
|
|
continue;
|
2008-02-19 21:38:39 +00:00
|
|
|
else
|
|
|
|
format_found = 1;
|
2005-07-05 14:37:24 +00:00
|
|
|
|
|
|
|
fn = build_filename(filename, type);
|
2006-04-04 12:59:25 +00:00
|
|
|
errno = 0;
|
2005-10-16 16:12:51 +00:00
|
|
|
bfile = fopen(fn, "r");
|
2008-02-19 21:38:39 +00:00
|
|
|
|
|
|
|
if (!bfile || (fs = get_filestream(f, bfile)) == NULL || open_wrapper(fs) ) {
|
2006-04-04 12:59:25 +00:00
|
|
|
ast_log(LOG_WARNING, "Unable to open %s\n", fn);
|
|
|
|
if (fs)
|
2007-04-08 01:42:32 +00:00
|
|
|
ast_free(fs);
|
2008-09-12 16:29:01 +00:00
|
|
|
fs = NULL;
|
2006-11-15 20:51:18 +00:00
|
|
|
if (bfile)
|
|
|
|
fclose(bfile);
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
2008-02-19 21:38:39 +00:00
|
|
|
break;
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
|
|
|
/* found it */
|
|
|
|
fs->trans = NULL;
|
|
|
|
fs->fmt = f;
|
|
|
|
fs->flags = flags;
|
|
|
|
fs->mode = mode;
|
2007-06-14 23:01:01 +00:00
|
|
|
fs->filename = ast_strdup(filename);
|
2006-04-04 12:59:25 +00:00
|
|
|
fs->vfs = NULL;
|
|
|
|
break;
|
2003-12-19 18:06:29 +00:00
|
|
|
}
|
2005-07-05 14:37:24 +00:00
|
|
|
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_UNLOCK(&formats);
|
2008-02-19 21:38:39 +00:00
|
|
|
if (!format_found)
|
2003-12-19 18:06:29 +00:00
|
|
|
ast_log(LOG_WARNING, "No such format '%s'\n", type);
|
2005-07-05 14:37:24 +00:00
|
|
|
|
2003-12-19 18:06:29 +00:00
|
|
|
return fs;
|
|
|
|
}
|
1999-12-02 20:24:59 +00:00
|
|
|
|
2004-11-13 16:13:07 +00:00
|
|
|
struct ast_filestream *ast_writefile(const char *filename, const char *type, const char *comment, int flags, int check, mode_t mode)
|
1999-12-02 20:24:59 +00:00
|
|
|
{
|
2005-07-05 14:37:24 +00:00
|
|
|
int fd, myflags = 0;
|
2005-10-16 23:26:35 +00:00
|
|
|
/* compiler claims this variable can be used before initialization... */
|
|
|
|
FILE *bfile = NULL;
|
1999-12-02 20:24:59 +00:00
|
|
|
struct ast_format *f;
|
2005-07-05 14:37:24 +00:00
|
|
|
struct ast_filestream *fs = NULL;
|
|
|
|
char *buf = NULL;
|
2004-09-07 01:49:08 +00:00
|
|
|
size_t size = 0;
|
2006-06-14 02:21:47 +00:00
|
|
|
int format_found = 0;
|
2004-09-07 01:49:08 +00:00
|
|
|
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_RDLOCK(&formats);
|
2005-07-05 14:37:24 +00:00
|
|
|
|
2003-02-06 22:11:43 +00:00
|
|
|
/* set the O_TRUNC flag if and only if there is no O_APPEND specified */
|
2006-04-04 12:59:25 +00:00
|
|
|
/* We really can't use O_APPEND as it will break WAV header updates */
|
2005-02-03 05:35:03 +00:00
|
|
|
if (flags & O_APPEND) {
|
|
|
|
flags &= ~O_APPEND;
|
|
|
|
} else {
|
2003-12-19 18:06:29 +00:00
|
|
|
myflags = O_TRUNC;
|
2005-02-03 05:35:03 +00:00
|
|
|
}
|
2003-12-19 18:06:29 +00:00
|
|
|
|
|
|
|
myflags |= O_WRONLY | O_CREAT;
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
/* XXX need to fix this - we should just do the fopen,
|
|
|
|
* not open followed by fdopen()
|
|
|
|
*/
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_TRAVERSE(&formats, f, list) {
|
2006-04-04 12:59:25 +00:00
|
|
|
char *fn, *orig_fn = NULL;
|
2006-01-09 21:30:46 +00:00
|
|
|
if (fs)
|
|
|
|
break;
|
|
|
|
|
2005-07-05 14:37:24 +00:00
|
|
|
if (!exts_compare(f->exts, type))
|
|
|
|
continue;
|
2006-06-14 02:21:47 +00:00
|
|
|
else
|
|
|
|
format_found = 1;
|
2005-07-05 14:37:24 +00:00
|
|
|
|
|
|
|
fn = build_filename(filename, type);
|
|
|
|
fd = open(fn, flags | myflags, mode);
|
2005-10-16 16:12:51 +00:00
|
|
|
if (fd > -1) {
|
|
|
|
/* fdopen() the resulting file stream */
|
|
|
|
bfile = fdopen(fd, ((flags | myflags) & O_RDWR) ? "w+" : "w");
|
|
|
|
if (!bfile) {
|
|
|
|
ast_log(LOG_WARNING, "Whoa, fdopen failed: %s!\n", strerror(errno));
|
|
|
|
close(fd);
|
|
|
|
fd = -1;
|
|
|
|
}
|
|
|
|
}
|
2005-07-05 14:37:24 +00:00
|
|
|
|
2005-12-04 20:40:46 +00:00
|
|
|
if (ast_opt_cache_record_files && (fd > -1)) {
|
2005-07-05 14:37:24 +00:00
|
|
|
char *c;
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
fclose(bfile); /* this also closes fd */
|
2005-07-05 14:37:24 +00:00
|
|
|
/*
|
|
|
|
We touch orig_fn just as a place-holder so other things (like vmail) see the file is there.
|
|
|
|
What we are really doing is writing to record_cache_dir until we are done then we will mv the file into place.
|
|
|
|
*/
|
|
|
|
orig_fn = ast_strdupa(fn);
|
|
|
|
for (c = fn; *c; c++)
|
|
|
|
if (*c == '/')
|
|
|
|
*c = '_';
|
|
|
|
|
|
|
|
size = strlen(fn) + strlen(record_cache_dir) + 2;
|
|
|
|
buf = alloca(size);
|
2005-10-16 23:26:35 +00:00
|
|
|
strcpy(buf, record_cache_dir);
|
|
|
|
strcat(buf, "/");
|
|
|
|
strcat(buf, fn);
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
2005-07-05 14:37:24 +00:00
|
|
|
fn = buf;
|
2003-12-19 18:06:29 +00:00
|
|
|
fd = open(fn, flags | myflags, mode);
|
2005-10-16 16:12:51 +00:00
|
|
|
if (fd > -1) {
|
|
|
|
/* fdopen() the resulting file stream */
|
|
|
|
bfile = fdopen(fd, ((flags | myflags) & O_RDWR) ? "w+" : "w");
|
|
|
|
if (!bfile) {
|
|
|
|
ast_log(LOG_WARNING, "Whoa, fdopen failed: %s!\n", strerror(errno));
|
|
|
|
close(fd);
|
|
|
|
fd = -1;
|
|
|
|
}
|
|
|
|
}
|
2005-07-05 14:37:24 +00:00
|
|
|
}
|
2005-10-16 23:26:35 +00:00
|
|
|
if (fd > -1) {
|
2005-07-05 14:37:24 +00:00
|
|
|
errno = 0;
|
2006-04-04 12:59:25 +00:00
|
|
|
fs = get_filestream(f, bfile);
|
|
|
|
if (!fs || rewrite_wrapper(fs, comment)) {
|
2005-07-05 14:37:24 +00:00
|
|
|
ast_log(LOG_WARNING, "Unable to rewrite %s\n", fn);
|
|
|
|
close(fd);
|
|
|
|
if (orig_fn) {
|
|
|
|
unlink(fn);
|
2004-09-07 01:49:08 +00:00
|
|
|
unlink(orig_fn);
|
2005-07-05 14:37:24 +00:00
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
if (fs)
|
2007-04-08 01:42:32 +00:00
|
|
|
ast_free(fs);
|
2007-06-06 23:41:37 +00:00
|
|
|
fs = NULL;
|
|
|
|
continue;
|
2006-04-04 12:59:25 +00:00
|
|
|
}
|
|
|
|
fs->trans = NULL;
|
|
|
|
fs->fmt = f;
|
|
|
|
fs->flags = flags;
|
|
|
|
fs->mode = mode;
|
|
|
|
if (orig_fn) {
|
2007-06-14 23:01:01 +00:00
|
|
|
fs->realfilename = ast_strdup(orig_fn);
|
|
|
|
fs->filename = ast_strdup(fn);
|
2006-04-04 12:59:25 +00:00
|
|
|
} else {
|
|
|
|
fs->realfilename = NULL;
|
2007-06-14 23:01:01 +00:00
|
|
|
fs->filename = ast_strdup(filename);
|
2004-09-07 01:49:08 +00:00
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
fs->vfs = NULL;
|
|
|
|
/* If truncated, we'll be at the beginning; if not truncated, then append */
|
2008-04-03 07:49:05 +00:00
|
|
|
|
|
|
|
if ((fs->write_buffer = ast_malloc(32768))){
|
|
|
|
setvbuf(fs->f, fs->write_buffer, _IOFBF, 32768);
|
|
|
|
}
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
f->seek(fs, 0, SEEK_END);
|
2005-07-05 14:37:24 +00:00
|
|
|
} else if (errno != EEXIST) {
|
|
|
|
ast_log(LOG_WARNING, "Unable to open file %s: %s\n", fn, strerror(errno));
|
|
|
|
if (orig_fn)
|
|
|
|
unlink(orig_fn);
|
1999-12-02 20:24:59 +00:00
|
|
|
}
|
2005-07-05 14:37:24 +00:00
|
|
|
/* if buf != NULL then fn is already free and pointing to it */
|
|
|
|
if (!buf)
|
2007-06-06 21:20:11 +00:00
|
|
|
ast_free(fn);
|
1999-12-02 20:24:59 +00:00
|
|
|
}
|
2005-07-05 14:37:24 +00:00
|
|
|
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_UNLOCK(&formats);
|
2006-06-14 02:21:47 +00:00
|
|
|
|
|
|
|
if (!format_found)
|
1999-12-02 20:24:59 +00:00
|
|
|
ast_log(LOG_WARNING, "No such format '%s'\n", type);
|
2005-07-05 14:37:24 +00:00
|
|
|
|
1999-12-02 20:24:59 +00:00
|
|
|
return fs;
|
|
|
|
}
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
/*!
|
|
|
|
* \brief the core of all waitstream() functions
|
|
|
|
*/
|
|
|
|
static int waitstream_core(struct ast_channel *c, const char *breakon,
|
2008-08-10 19:35:50 +00:00
|
|
|
const char *forward, const char *reverse, int skip_ms,
|
2006-04-04 12:59:25 +00:00
|
|
|
int audiofd, int cmdfd, const char *context)
|
2003-04-03 07:37:30 +00:00
|
|
|
{
|
2007-09-05 20:58:19 +00:00
|
|
|
const char *orig_chan_name = NULL;
|
|
|
|
int err = 0;
|
|
|
|
|
2005-02-06 06:43:32 +00:00
|
|
|
if (!breakon)
|
2006-04-04 12:59:25 +00:00
|
|
|
breakon = "";
|
2005-02-06 06:43:32 +00:00
|
|
|
if (!forward)
|
2006-04-04 12:59:25 +00:00
|
|
|
forward = "";
|
2008-08-10 19:35:50 +00:00
|
|
|
if (!reverse)
|
|
|
|
reverse = "";
|
2007-08-10 14:17:42 +00:00
|
|
|
|
|
|
|
/* Switch the channel to end DTMF frame only. waitstream_core doesn't care about the start of DTMF. */
|
|
|
|
ast_set_flag(c, AST_FLAG_END_DTMF_ONLY);
|
2007-09-05 20:58:19 +00:00
|
|
|
|
|
|
|
if (ast_test_flag(c, AST_FLAG_MASQ_NOSTREAM))
|
|
|
|
orig_chan_name = ast_strdupa(c->name);
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
while (c->stream) {
|
|
|
|
int res;
|
2007-09-05 20:58:19 +00:00
|
|
|
int ms;
|
|
|
|
|
|
|
|
if (orig_chan_name && strcasecmp(orig_chan_name, c->name)) {
|
|
|
|
ast_stopstream(c);
|
|
|
|
err = 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ms = ast_sched_wait(c->sched);
|
|
|
|
|
2006-04-04 12:59:25 +00:00
|
|
|
if (ms < 0 && !c->timingfunc) {
|
2003-07-01 16:16:28 +00:00
|
|
|
ast_stopstream(c);
|
2003-02-23 06:00:11 +00:00
|
|
|
break;
|
|
|
|
}
|
2003-06-29 21:54:58 +00:00
|
|
|
if (ms < 0)
|
|
|
|
ms = 1000;
|
2006-09-01 16:50:02 +00:00
|
|
|
if (cmdfd < 0) {
|
2006-04-04 12:59:25 +00:00
|
|
|
res = ast_waitfor(c, ms);
|
|
|
|
if (res < 0) {
|
|
|
|
ast_log(LOG_WARNING, "Select failed (%s)\n", strerror(errno));
|
2007-08-10 14:17:42 +00:00
|
|
|
ast_clear_flag(c, AST_FLAG_END_DTMF_ONLY);
|
2006-04-04 12:59:25 +00:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
int outfd;
|
|
|
|
struct ast_channel *rchan = ast_waitfor_nandfds(&c, 1, &cmdfd, (cmdfd > -1) ? 1 : 0, NULL, &outfd, &ms);
|
|
|
|
if (!rchan && (outfd < 0) && (ms)) {
|
|
|
|
/* Continue */
|
|
|
|
if (errno == EINTR)
|
|
|
|
continue;
|
|
|
|
ast_log(LOG_WARNING, "Wait failed (%s)\n", strerror(errno));
|
2007-08-10 14:17:42 +00:00
|
|
|
ast_clear_flag(c, AST_FLAG_END_DTMF_ONLY);
|
2003-02-23 06:00:11 +00:00
|
|
|
return -1;
|
2006-04-04 12:59:25 +00:00
|
|
|
} else if (outfd > -1) { /* this requires cmdfd set */
|
|
|
|
/* The FD we were watching has something waiting */
|
2007-08-10 14:17:42 +00:00
|
|
|
ast_clear_flag(c, AST_FLAG_END_DTMF_ONLY);
|
2006-04-04 12:59:25 +00:00
|
|
|
return 1;
|
2003-02-23 06:00:11 +00:00
|
|
|
}
|
2006-04-04 12:59:25 +00:00
|
|
|
/* if rchan is set, it is 'c' */
|
|
|
|
res = rchan ? 1 : 0; /* map into 'res' values */
|
|
|
|
}
|
|
|
|
if (res > 0) {
|
|
|
|
struct ast_frame *fr = ast_read(c);
|
2007-08-10 14:17:42 +00:00
|
|
|
if (!fr) {
|
|
|
|
ast_clear_flag(c, AST_FLAG_END_DTMF_ONLY);
|
2006-04-04 12:59:25 +00:00
|
|
|
return -1;
|
2007-08-10 14:17:42 +00:00
|
|
|
}
|
2007-01-23 00:11:32 +00:00
|
|
|
switch (fr->frametype) {
|
2006-08-31 01:59:02 +00:00
|
|
|
case AST_FRAME_DTMF_END:
|
2006-04-04 12:59:25 +00:00
|
|
|
if (context) {
|
|
|
|
const char exten[2] = { fr->subclass, '\0' };
|
|
|
|
if (ast_exists_extension(c, context, exten, 1, c->cid.cid_num)) {
|
2007-03-02 00:22:22 +00:00
|
|
|
res = fr->subclass;
|
2006-04-04 12:59:25 +00:00
|
|
|
ast_frfree(fr);
|
2007-08-10 14:17:42 +00:00
|
|
|
ast_clear_flag(c, AST_FLAG_END_DTMF_ONLY);
|
2006-04-04 12:59:25 +00:00
|
|
|
return res;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
res = fr->subclass;
|
2008-03-04 23:04:29 +00:00
|
|
|
if (strchr(forward, res)) {
|
2006-04-04 12:59:25 +00:00
|
|
|
ast_stream_fastforward(c->stream, skip_ms);
|
2008-08-10 19:35:50 +00:00
|
|
|
} else if (strchr(reverse, res)) {
|
2006-04-04 12:59:25 +00:00
|
|
|
ast_stream_rewind(c->stream, skip_ms);
|
|
|
|
} else if (strchr(breakon, res)) {
|
|
|
|
ast_frfree(fr);
|
2007-08-10 14:17:42 +00:00
|
|
|
ast_clear_flag(c, AST_FLAG_END_DTMF_ONLY);
|
2006-04-04 12:59:25 +00:00
|
|
|
return res;
|
|
|
|
}
|
2003-02-23 06:00:11 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
case AST_FRAME_CONTROL:
|
2007-01-23 00:11:32 +00:00
|
|
|
switch (fr->subclass) {
|
2003-02-23 06:00:11 +00:00
|
|
|
case AST_CONTROL_HANGUP:
|
2006-10-05 19:58:50 +00:00
|
|
|
case AST_CONTROL_BUSY:
|
2006-10-06 16:56:05 +00:00
|
|
|
case AST_CONTROL_CONGESTION:
|
2003-02-23 06:00:11 +00:00
|
|
|
ast_frfree(fr);
|
2007-08-10 14:17:42 +00:00
|
|
|
ast_clear_flag(c, AST_FLAG_END_DTMF_ONLY);
|
2003-02-23 06:00:11 +00:00
|
|
|
return -1;
|
|
|
|
case AST_CONTROL_RINGING:
|
|
|
|
case AST_CONTROL_ANSWER:
|
2006-05-08 07:56:42 +00:00
|
|
|
case AST_CONTROL_VIDUPDATE:
|
2008-03-05 22:43:22 +00:00
|
|
|
case AST_CONTROL_SRCUPDATE:
|
2006-09-28 11:12:58 +00:00
|
|
|
case AST_CONTROL_HOLD:
|
|
|
|
case AST_CONTROL_UNHOLD:
|
2003-02-23 06:00:11 +00:00
|
|
|
/* Unimportant */
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ast_log(LOG_WARNING, "Unexpected control subclass '%d'\n", fr->subclass);
|
|
|
|
}
|
2006-09-28 11:12:58 +00:00
|
|
|
break;
|
2003-02-23 06:00:11 +00:00
|
|
|
case AST_FRAME_VOICE:
|
|
|
|
/* Write audio if appropriate */
|
2008-11-02 18:52:13 +00:00
|
|
|
if (audiofd > -1) {
|
|
|
|
if (write(audiofd, fr->data.ptr, fr->datalen) < 0) {
|
|
|
|
ast_log(LOG_WARNING, "write() failed: %s\n", strerror(errno));
|
|
|
|
}
|
|
|
|
}
|
2006-08-31 01:59:02 +00:00
|
|
|
default:
|
|
|
|
/* Ignore all others */
|
|
|
|
break;
|
2003-02-23 06:00:11 +00:00
|
|
|
}
|
|
|
|
ast_frfree(fr);
|
2003-05-12 04:23:55 +00:00
|
|
|
}
|
|
|
|
ast_sched_runq(c->sched);
|
2003-02-23 06:00:11 +00:00
|
|
|
}
|
2007-08-10 14:17:42 +00:00
|
|
|
|
|
|
|
ast_clear_flag(c, AST_FLAG_END_DTMF_ONLY);
|
|
|
|
|
2007-09-05 20:58:19 +00:00
|
|
|
return (err || c->_softhangup) ? -1 : 0;
|
2003-02-23 06:00:11 +00:00
|
|
|
}
|
2004-06-30 03:22:29 +00:00
|
|
|
|
2008-08-10 19:35:50 +00:00
|
|
|
int ast_waitstream_fr(struct ast_channel *c, const char *breakon, const char *forward, const char *reverse, int ms)
|
2006-04-04 12:59:25 +00:00
|
|
|
{
|
2008-08-10 19:35:50 +00:00
|
|
|
return waitstream_core(c, breakon, forward, reverse, ms,
|
2006-04-04 12:59:25 +00:00
|
|
|
-1 /* no audiofd */, -1 /* no cmdfd */, NULL /* no context */);
|
|
|
|
}
|
|
|
|
|
|
|
|
int ast_waitstream(struct ast_channel *c, const char *breakon)
|
|
|
|
{
|
|
|
|
return waitstream_core(c, breakon, NULL, NULL, 0, -1, -1, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
int ast_waitstream_full(struct ast_channel *c, const char *breakon, int audiofd, int cmdfd)
|
|
|
|
{
|
|
|
|
return waitstream_core(c, breakon, NULL, NULL, 0,
|
|
|
|
audiofd, cmdfd, NULL /* no context */);
|
|
|
|
}
|
|
|
|
|
2005-07-12 01:34:06 +00:00
|
|
|
int ast_waitstream_exten(struct ast_channel *c, const char *context)
|
|
|
|
{
|
|
|
|
/* Waitstream, with return in the case of a valid 1 digit extension */
|
|
|
|
/* in the current or specified context being pressed */
|
2006-04-04 12:59:25 +00:00
|
|
|
|
|
|
|
if (!context)
|
|
|
|
context = c->context;
|
|
|
|
return waitstream_core(c, NULL, NULL, NULL, 0,
|
|
|
|
-1, -1, context);
|
2005-07-12 01:34:06 +00:00
|
|
|
}
|
|
|
|
|
2008-11-20 18:20:00 +00:00
|
|
|
void ast_filestream_frame_freed(struct ast_frame *fr)
|
|
|
|
{
|
|
|
|
struct ast_filestream *fs;
|
|
|
|
|
|
|
|
ast_clear_flag(fr, AST_FRFLAG_FROM_FILESTREAM);
|
|
|
|
|
|
|
|
fs = (struct ast_filestream *) (((char *) fr) - offsetof(struct ast_filestream, fr));
|
|
|
|
|
|
|
|
ao2_ref(fs, -1);
|
|
|
|
}
|
|
|
|
|
2006-04-21 20:28:32 +00:00
|
|
|
/*
|
|
|
|
* if the file name is non-empty, try to play it.
|
|
|
|
* Return 0 if success, -1 if error, digit if interrupted by a digit.
|
|
|
|
* If digits == "" then we can simply check for non-zero.
|
|
|
|
*/
|
2006-11-17 23:18:51 +00:00
|
|
|
int ast_stream_and_wait(struct ast_channel *chan, const char *file, const char *digits)
|
2006-04-21 20:28:32 +00:00
|
|
|
{
|
2008-03-04 23:04:29 +00:00
|
|
|
int res = 0;
|
|
|
|
if (!ast_strlen_zero(file)) {
|
|
|
|
res = ast_streamfile(chan, file, chan->language);
|
|
|
|
if (!res) {
|
|
|
|
res = ast_waitstream(chan, digits);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return res;
|
2006-04-21 20:28:32 +00:00
|
|
|
}
|
|
|
|
|
2007-10-11 19:03:06 +00:00
|
|
|
static char *handle_cli_core_show_file_formats(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
2004-06-30 03:22:29 +00:00
|
|
|
{
|
|
|
|
#define FORMAT "%-10s %-10s %-20s\n"
|
|
|
|
#define FORMAT2 "%-10s %-10s %-20s\n"
|
|
|
|
struct ast_format *f;
|
2005-08-23 15:43:47 +00:00
|
|
|
int count_fmt = 0;
|
|
|
|
|
2007-10-11 19:03:06 +00:00
|
|
|
switch (cmd) {
|
|
|
|
case CLI_INIT:
|
|
|
|
e->command = "core show file formats";
|
|
|
|
e->usage =
|
|
|
|
"Usage: core show file formats\n"
|
|
|
|
" Displays currently registered file formats (if any).\n";
|
|
|
|
return NULL;
|
|
|
|
case CLI_GENERATE:
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (a->argc != 4)
|
|
|
|
return CLI_SHOWUSAGE;
|
|
|
|
|
|
|
|
ast_cli(a->fd, FORMAT, "Format", "Name", "Extensions");
|
|
|
|
ast_cli(a->fd, FORMAT, "------", "----", "----------");
|
2004-06-30 03:22:29 +00:00
|
|
|
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_RDLOCK(&formats);
|
|
|
|
AST_RWLIST_TRAVERSE(&formats, f, list) {
|
2007-10-11 19:03:06 +00:00
|
|
|
ast_cli(a->fd, FORMAT2, ast_getformatname(f->format), f->name, f->exts);
|
2005-08-23 15:43:47 +00:00
|
|
|
count_fmt++;
|
2006-01-09 21:30:46 +00:00
|
|
|
}
|
2007-01-26 22:55:06 +00:00
|
|
|
AST_RWLIST_UNLOCK(&formats);
|
2007-10-11 19:03:06 +00:00
|
|
|
ast_cli(a->fd, "%d file formats registered.\n", count_fmt);
|
|
|
|
return CLI_SUCCESS;
|
2005-07-15 16:13:26 +00:00
|
|
|
#undef FORMAT
|
|
|
|
#undef FORMAT2
|
2004-06-30 03:22:29 +00:00
|
|
|
}
|
|
|
|
|
2006-09-18 19:54:18 +00:00
|
|
|
struct ast_cli_entry cli_file[] = {
|
2007-10-22 20:05:18 +00:00
|
|
|
AST_CLI_DEFINE(handle_cli_core_show_file_formats, "Displays file formats")
|
2004-06-30 03:22:29 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
int ast_file_init(void)
|
|
|
|
{
|
2006-09-18 19:54:18 +00:00
|
|
|
ast_cli_register_multiple(cli_file, sizeof(cli_file) / sizeof(struct ast_cli_entry));
|
2004-06-30 03:22:29 +00:00
|
|
|
return 0;
|
|
|
|
}
|