From 38792c00a5d6b4c389acb67f437622b950a58c88 Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Mon, 3 Feb 2020 13:39:07 -0500
Subject: [PATCH] TT#75352 don't attempt to send uninitialised packets

This can presumably happen when an encoder gets re-initialised due to an
SSRC table overflow, or when a passthrough encoder (e.g. G.729) returns
no data.

Possibly fixes #915

Change-Id: Ib351054b99754f46d0a8fb2d49629ce7c48dc964
---
 daemon/codec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/daemon/codec.c b/daemon/codec.c
index 8a9479172..5f608c2f5 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -1452,7 +1452,7 @@ static int __packet_encoded(encoder_t *enc, void *u1, void *u2) {
 		int ret = ch->handler->dest_pt.codec_def->packetizer(in_pkt,
 				ch->sample_buffer, &inout, enc);
 
-		if (G_UNLIKELY(ret == -1)) {
+		if (G_UNLIKELY(ret == -1 || enc->avpkt.pts == AV_NOPTS_VALUE)) {
 			// nothing
 			free(buf);
 			break;