X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fsmush.c;h=9c8997cc00ce26fbc1a99de8734320c7489c2895;hb=3a7ef8dc44abe3b8f58cbf69acfd361287c12f2b;hp=b164c7516e90eee5a16f2831b416d862f8b82c1f;hpb=d0ab71ed11c54c40b1c975c713dee8d3993ccdc5;p=ffmpeg

diff --git a/libavformat/smush.c b/libavformat/smush.c
index b164c7516e9..9c8997cc00c 100644
--- a/libavformat/smush.c
+++ b/libavformat/smush.c
@@ -32,8 +32,10 @@ typedef struct {
 
 static int smush_read_probe(AVProbeData *p)
 {
-    if ((AV_RL32(p->buf) == MKTAG('S', 'A', 'N', 'M') ||
-         AV_RL32(p->buf) == MKTAG('A', 'N', 'I', 'M'))) {
+    if (((AV_RL32(p->buf) == MKTAG('S', 'A', 'N', 'M') &&
+          AV_RL32(p->buf + 8) == MKTAG('S', 'H', 'D', 'R')) ||
+         (AV_RL32(p->buf) == MKTAG('A', 'N', 'I', 'M') &&
+          AV_RL32(p->buf + 8) == MKTAG('A', 'H', 'D', 'R')))) {
         return AVPROBE_SCORE_MAX;
     }
 
@@ -209,7 +211,7 @@ static int smush_read_packet(AVFormatContext *ctx, AVPacket *pkt)
         case MKBETAG('W', 'a', 'v', 'e'):
             if (size < 13)
                 return AVERROR_INVALIDDATA;
-            if (av_get_packet(pb, pkt, size) < 0)
+            if (av_get_packet(pb, pkt, size) < 13)
                 return AVERROR(EIO);
 
             pkt->stream_index = smush->audio_stream_index;