X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fmicrodvddec.c;h=ca9086afe9bb4c535993feef6330c727db0653f1;hb=76ef18fd3910a5b479a3d9e584a0adc13f0d84ee;hp=c2f1ac45cda7a029ef45c7315566ff2e514ee565;hpb=ef71ef5f30ddf1cd61e46628a04608892caf76d2;p=ffmpeg

diff --git a/libavformat/microdvddec.c b/libavformat/microdvddec.c
index c2f1ac45cda..ca9086afe9b 100644
--- a/libavformat/microdvddec.c
+++ b/libavformat/microdvddec.c
@@ -36,7 +36,7 @@ typedef struct {
 } MicroDVDContext;
 
 
-static int microdvd_probe(AVProbeData *p)
+static int microdvd_probe(const AVProbeData *p)
 {
     unsigned char c;
     const uint8_t *ptr = p->buf;
@@ -102,6 +102,8 @@ static int microdvd_read_header(AVFormatContext *s)
         if (!len)
             break;
         line[strcspn(line, "\r\n")] = 0;
+        if (!*p)
+            continue;
         if (i++ < 3) {
             int frame;
             double fps;