From a8948069bbf8995414bb20f578a1553c522b5d06 Mon Sep 17 00:00:00 2001
From: Jacek Jendrzej <overx300@gmail.com>
Date: Mon, 30 Jul 2018 17:17:14 +0200
Subject: [PATCH] fix possible segfault, if dash stream have only audio or
video pid
---
libavformat/dashdec.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
@@ -1936,7 +1936,8 @@ static int dash_read_header(AVFormatContext *s)
s->duration = (int64_t) c->media_presentation_duration * AV_TIME_BASE;
}
- c->is_init_section_common_video = is_common_init_section_exist(c->videos, c->n_videos);
+ if(c->n_videos)
+ c->is_init_section_common_video = is_common_init_section_exist(c->videos, c->n_videos);
/* Open the demuxer for video and audio components if available */
for (i = 0; i < c->n_videos; i++) {
@@ -1952,7 +1953,8 @@ static int dash_read_header(AVFormatContext *s)
++stream_index;
}
- c->is_init_section_common_audio = is_common_init_section_exist(c->audios, c->n_audios);
+ if(c->n_audios)
+ c->is_init_section_common_audio = is_common_init_section_exist(c->audios, c->n_audios);
for (i = 0; i < c->n_audios; i++) {
struct representation *cur_audio = c->audios[i];
--
2.18.0