[svn-commits] seanbright: branch seanbright/tts r426100 - in /team/seanbright/tts: include/...

SVN commits to the Digium repositories svn-commits at lists.digium.com
Wed Oct 22 16:49:21 CDT 2014 

Author: seanbright
Date: Wed Oct 22 16:49:19 2014
New Revision: 426100

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=426100
Log:
Registration/Unregistration

Added:
    team/seanbright/tts/include/asterisk/tts.h   (with props)
    team/seanbright/tts/res/res_tts.c   (with props)
    team/seanbright/tts/res/res_tts.exports.in   (with props)

Added: team/seanbright/tts/include/asterisk/tts.h
URL: http://svnview.digium.com/svn/asterisk/team/seanbright/tts/include/asterisk/tts.h?view=auto&rev=426100
==============================================================================
--- team/seanbright/tts/include/asterisk/tts.h (added)
+++ team/seanbright/tts/include/asterisk/tts.h Wed Oct 22 16:49:19 2014
@@ -1,0 +1,45 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2014, malleable, LLC.
+ *
+ * Sean Bright <sean at malleable.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 Generic Text-To-Speech API
+ */
+
+#ifndef _ASTERISK_TTS_H
+#define _ASTERISK_TTS_H
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+struct ast_tts_engine {
+	/*! Name of TTS engine */
+	char *name;
+	AST_LIST_ENTRY(ast_tts_engine) list;
+};
+
+/*! \brief Register a TTS engine */
+int ast_tts_register(struct ast_tts_engine *engine);
+/*! \brief Unregister a TTS engine */
+int ast_tts_unregister(const char *engine_name);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+#endif /* _ASTERISK_TTS_H */

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Added: team/seanbright/tts/res/res_tts.c
URL: http://svnview.digium.com/svn/asterisk/team/seanbright/tts/res/res_tts.c?view=auto&rev=426100
==============================================================================
--- team/seanbright/tts/res/res_tts.c (added)
+++ team/seanbright/tts/res/res_tts.c Wed Oct 22 16:49:19 2014
@@ -1,0 +1,138 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2014, malleable, LLC.
+ *
+ * Sean Bright <sean at malleable.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 Generic Text-To-Speech API
+ *
+ * \author Sean Bright <sean at malleable.com>
+ */
+
+/*** MODULEINFO
+	<support_level>core</support_level>
+ ***/
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$");
+
+#include "asterisk/channel.h"
+#include "asterisk/module.h"
+#include "asterisk/lock.h"
+#include "asterisk/linkedlists.h"
+#include "asterisk/cli.h"
+#include "asterisk/term.h"
+#include "asterisk/tts.h"
+#include "asterisk/format_cache.h"
+
+static AST_RWLIST_HEAD_STATIC(engines, ast_tts_engine);
+static struct ast_tts_engine *default_engine = NULL;
+
+/*! \brief Find a TTS engine of specified name, if NULL then use the default one */
+static struct ast_tts_engine *find_engine(const char *engine_name)
+{
+	struct ast_tts_engine *engine = NULL;
+
+	/* If no name is specified -- use the default engine */
+	if (ast_strlen_zero(engine_name)) {
+		return default_engine;
+	}
+
+	AST_RWLIST_RDLOCK(&engines);
+	AST_RWLIST_TRAVERSE(&engines, engine, list) {
+		if (!strcasecmp(engine->name, engine_name)) {
+			break;
+		}
+	}
+	AST_RWLIST_UNLOCK(&engines);
+
+	return engine;
+}
+
+/*! \brief Register a TTS engine */
+int ast_tts_register(struct ast_tts_engine *engine)
+{
+	int res = 0;
+
+	/* If an engine is already loaded with this name, error out */
+	if (find_engine(engine->name)) {
+		ast_log(LOG_WARNING, "TTS engine '%s' already exists.\n", engine->name);
+		return -1;
+	}
+
+	ast_verb(2, "Registered TTS engine '%s'\n", engine->name);
+
+	/* Add to the engine linked list and make default if needed */
+	AST_RWLIST_WRLOCK(&engines);
+	AST_RWLIST_INSERT_HEAD(&engines, engine, list);
+	if (!default_engine) {
+		default_engine = engine;
+		ast_verb(2, "Made '%s' the default TTS engine\n", engine->name);
+	}
+	AST_RWLIST_UNLOCK(&engines);
+
+	return res;
+}
+
+/*! \brief Unregister a TTS engine */
+int ast_tts_unregister(const char *engine_name)
+{
+	struct ast_tts_engine *engine = NULL;
+	int res = -1;
+
+	if (ast_strlen_zero(engine_name))
+		return -1;
+
+	AST_RWLIST_WRLOCK(&engines);
+	AST_RWLIST_TRAVERSE_SAFE_BEGIN(&engines, engine, list) {
+		if (!strcasecmp(engine->name, engine_name)) {
+			/* We have our engine... removed it */
+			AST_RWLIST_REMOVE_CURRENT(list);
+			/* If this was the default engine, we need to pick a new one */
+			if (engine == default_engine) {
+				default_engine = AST_RWLIST_FIRST(&engines);
+			}
+			ast_verb(2, "Unregistered TTS  engine '%s'\n", engine_name);
+			/* All went well */
+			res = 0;
+			break;
+		}
+	}
+	AST_RWLIST_TRAVERSE_SAFE_END;
+	AST_RWLIST_UNLOCK(&engines);
+
+	return res;
+}
+
+static int unload_module(void)
+{
+	/* We can not be unloaded */
+	return -1;
+}
+
+static int load_module(void)
+{
+	return AST_MODULE_LOAD_SUCCESS;
+}
+
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS | AST_MODFLAG_LOAD_ORDER, "Generic Text-To-Speech API",
+		.support_level = AST_MODULE_SUPPORT_CORE,
+		.load = load_module,
+		.unload = unload_module,
+		.load_pri = AST_MODPRI_APP_DEPEND,
+		);

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Added: team/seanbright/tts/res/res_tts.exports.in
URL: http://svnview.digium.com/svn/asterisk/team/seanbright/tts/res/res_tts.exports.in?view=auto&rev=426100
==============================================================================
--- team/seanbright/tts/res/res_tts.exports.in (added)
+++ team/seanbright/tts/res/res_tts.exports.in Wed Oct 22 16:49:19 2014
@@ -1,0 +1,6 @@
+{
+	global:
+		LINKER_SYMBOL_PREFIXast_*;
+	local:
+		*;
+};

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