Fix handling of zero-length frames when a codec is capable of native PLC.

Issue 9183, patch by Mihai.


git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@65877 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 3 insertions, 1 deletions

diff --git a/main/translate.c b/main/translate.c
index c9e16b96f..ca044c331 100644
--- a/main/translate.c
+++ b/main/translate.c
@@ -174,7 +174,9 @@ static int framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
 				pvt->samples += l;
 				pvt->datalen = pvt->samples * 2;	/* SLIN has 2bytes for 1sample */
 			}
-			return 0;
+			/* We don't want generic PLC. If the codec has native PLC, then do that */
+			if (!pvt->t->native_plc)
+				return 0;
 		}
 		if (pvt->samples + f->samples > pvt->t->buffer_samples) {
 			ast_log(LOG_WARNING, "Out of buffer space\n");