From ecabfc7f9a71b8ec17e1a0253d3811c08fbdcbce Mon Sep 17 00:00:00 2001
From: Dragos Oancea <droancea@yahoo.com>
Date: Wed, 19 Aug 2015 14:29:19 -0400
Subject: [PATCH] FS-8005: mod_opus : fix for rare decoder error when doing
 PLC, OPUS_GET_LAST_PACKET_DURATION might return 0

---
 src/mod/codecs/mod_opus/mod_opus.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mod/codecs/mod_opus/mod_opus.c b/src/mod/codecs/mod_opus/mod_opus.c
index 9a3469b6ff..bac1f9d54e 100644
--- a/src/mod/codecs/mod_opus/mod_opus.c
+++ b/src/mod/codecs/mod_opus/mod_opus.c
@@ -571,6 +571,9 @@ static switch_status_t switch_opus_decode(switch_codec_t *codec,
 		plc = 1;
 		encoded_data = NULL;
 		opus_decoder_ctl(context->decoder_object, OPUS_GET_LAST_PACKET_DURATION(&frame_size));
+		if (!frame_size) {
+			frame_size = frame_samples - (frame_samples % (codec->implementation->actual_samples_per_second / 400));
+		}
 
 		if (context->codec_settings.useinbandfec) {
 			fec = 1;