From 121ab69c9d0650b8be9b3351b5f4fcaa5235bded Mon Sep 17 00:00:00 2001
From: "Azamat H. Hackimov" <azamat.hackimov@gmail.com>
Date: Mon, 3 Jul 2017 01:10:55 +0500
Subject: [PATCH] libavformat/gdv: Fix parsing for soundless video

Added 2 byte skipping if there no sound present, that fixes playback
files without sound stream.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/gdv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/gdv.c b/libavformat/gdv.c
index 90692bd61c..32209320a7 100644
--- a/libavformat/gdv.c
+++ b/libavformat/gdv.c
@@ -107,6 +107,8 @@ static int gdv_read_header(AVFormatContext *ctx)
         gdv->audio_size = (ast->codecpar->sample_rate / fps) *
                            ast->codecpar->channels * (1 + !!(snd_flags & 4)) / (1 + !!(snd_flags & 8));
         gdv->is_audio = 1;
+    } else {
+        avio_skip(pb, 2);
     }
     vid_depth = avio_rl16(pb);
     avio_skip(pb, 4);