Can't forget to remember what format is in use for writing.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@74560 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_speech.c

@@ -168,6 +168,10 @@ struct ast_speech *ast_speech_new(char *engine_name, int format)
 	if (!(engine = find_engine(engine_name)))
 		return NULL;
 
+	/* Make sure the requested format fits */
+	if (!(engine->formats & format))
+		return NULL;
+
 	/* Allocate our own speech structure, and try to allocate a structure from the engine too */
 	if (!(new_speech = ast_calloc(1, sizeof(*new_speech))))
 		return NULL;
@@ -181,6 +185,9 @@ struct ast_speech *ast_speech_new(char *engine_name, int format)
 	/* Copy over our engine pointer */
 	new_speech->engine = engine;
 
+	/* Can't forget the format audio is going to be in */
+	new_speech->format = format;
+
 	/* We are not ready to accept audio yet */
 	ast_speech_change_state(new_speech, AST_SPEECH_STATE_NOT_READY);