truncate last 200ms of DTMF-terminated recording to eliminate inband DTMF (issue...

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6717 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/res/res_agi.c b/res/res_agi.c
index c13eab7..5645b79 100755 (executable)
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -962,7 +962,11 @@ static int handle_recordfile(struct ast_channel *chan, AGI *agi, int argc, char
                        switch(f->frametype) {
                        case AST_FRAME_DTMF:
                                if (strchr(argv[4], f->subclass)) {
-                                       /* This is an interrupting chracter */
+                                       /* This is an interrupting chracter, so rewind to chop off any small
+                                          amount of DTMF that may have been recorded
+                                       */
+                                       ast_stream_rewind(fs, 200);
+                                       ast_truncstream(fs);
                                        sample_offset = ast_tellstream(fs);
                                        fdprintf(agi->fd, "200 result=%d (dtmf) endpos=%ld\n", f->subclass, sample_offset);
                                        ast_closestream(fs);