From 537c60b1cb457fd19491fe41c96d0a99d5d93bcf Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Mon, 12 Dec 2016 13:46:15 -0500
Subject: [PATCH] fix segfault when avcctx could not be initialized

closes #304

Change-Id: I8b01e269f81352f305d2ae20d01c006649876cda
---
 recording-daemon/output.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/recording-daemon/output.c b/recording-daemon/output.c
index 45f5403a6..3d092a773 100644
--- a/recording-daemon/output.c
+++ b/recording-daemon/output.c
@@ -270,9 +270,11 @@ static void output_shutdown(output_t *output) {
 	if (!output->fmtctx)
 		return;
 
-	av_write_trailer(output->fmtctx);
+	if (output->fmtctx->pb) {
+		av_write_trailer(output->fmtctx);
+		avio_closep(&output->fmtctx->pb);
+	}
 	avcodec_close(output->avcctx);
-	avio_closep(&output->fmtctx->pb);
 	avformat_free_context(output->fmtctx);
 	av_audio_fifo_free(output->fifo);
 	av_frame_free(&output->frame);