From 4d6bda544523a6cb54de18ef53e7b29221e38872 Mon Sep 17 00:00:00 2001
From: file <file@f38db490-d61c-443f-a65b-d21fe96a405b>
Date: Mon, 13 Aug 2007 14:55:17 +0000
Subject: Merged revisions 79207 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r79207 | file | 2007-08-13 11:51:09 -0300 (Mon, 13 Aug 2007) | 2 lines

Add an API call to allow the engine to know that DTMF was received.

........


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@79208 f38db490-d61c-443f-a65b-d21fe96a405b
---
 apps/app_speech_utils.c   |  1 +
 include/asterisk/speech.h |  4 ++++
 res/res_speech.c          | 15 +++++++++++++++
 3 files changed, 20 insertions(+)

diff --git a/apps/app_speech_utils.c b/apps/app_speech_utils.c
index 13aa709b6..df2fe468a 100644
--- a/apps/app_speech_utils.c
+++ b/apps/app_speech_utils.c
@@ -662,6 +662,7 @@ static int speech_background(struct ast_channel *chan, void *data)
 			/* Free the frame we received */
 			switch (f->frametype) {
 			case AST_FRAME_DTMF:
+				ast_speech_dtmf(speech, f->subclass);
 				if (dtmf_terminator != '\0' && f->subclass == dtmf_terminator) {
 					done = 1;
 				} else {
diff --git a/include/asterisk/speech.h b/include/asterisk/speech.h
index e040629d4..e4d0c76d5 100644
--- a/include/asterisk/speech.h
+++ b/include/asterisk/speech.h
@@ -87,6 +87,8 @@ struct ast_speech_engine {
 	int (*deactivate)(struct ast_speech *speech, char *grammar_name);
 	/*! Write audio to the speech engine */
 	int (*write)(struct ast_speech *speech, void *data, int len);
+	/*! Signal DTMF was received */
+	int (*dtmf)(struct ast_speech *speech, char dtmf);
 	/*! Prepare engine to accept audio */
 	int (*start)(struct ast_speech *speech);
 	/*! Change an engine specific setting */
@@ -134,6 +136,8 @@ struct ast_speech *ast_speech_new(char *engine_name, int formats);
 int ast_speech_destroy(struct ast_speech *speech);
 /*! \brief Write audio to the speech engine */
 int ast_speech_write(struct ast_speech *speech, void *data, int len);
+/*! \brief Signal to the engine that DTMF was received */
+int ast_speech_dtmf(struct ast_speech *speech, char dtmf);
 /*! \brief Change an engine specific attribute */
 int ast_speech_change(struct ast_speech *speech, char *name, const char *value);
 /*! \brief Change the type of results we want */
diff --git a/res/res_speech.c b/res/res_speech.c
index ed815b6ec..82614a50a 100644
--- a/res/res_speech.c
+++ b/res/res_speech.c
@@ -153,6 +153,21 @@ int ast_speech_write(struct ast_speech *speech, void *data, int len)
 	return speech->engine->write(speech, data, len);
 }
 
+/*! \brief Signal to the engine that DTMF was received */
+int ast_speech_dtmf(struct ast_speech *speech, char dtmf)
+{
+	int res = 0;
+
+	if (speech->state != AST_SPEECH_STATE_READY)
+		return -1;
+
+	if (speech->engine->dtmf != NULL) {
+		res = speech->engine->dtmf(speech, dtmf);
+	}
+
+	return res;
+}
+
 /*! \brief Change an engine specific attribute */
 int ast_speech_change(struct ast_speech *speech, char *name, const char *value)
 {
-- 
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