Merge commit 'd9a2e87b1ce44cce23801e7ec6810f8bf994fa23'

[ffmpeg] / libavformat / yop.c

diff --git a/libavformat/yop.c b/libavformat/yop.c
index 51d088bdd26808a6d9e0e09b1593c03126a931ca..1185a3efc7c5793579e4e1a81e763cae337bf7c9 100644 (file)
--- a/libavformat/yop.c
+++ b/libavformat/yop.c
@@ -5,20 +5,20 @@
  * derived from the code by
  * Copyright (C) 2009 Thomas P. Higdon <thomas.p.higdon@gmail.com>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -38,10 +38,15 @@ typedef struct yop_dec_context {
 static int yop_probe(AVProbeData *probe_packet)
 {
     if (AV_RB16(probe_packet->buf) == AV_RB16("YO")  &&
+        probe_packet->buf[2]<10                      &&
+        probe_packet->buf[3]<10                      &&
         probe_packet->buf[6]                         &&
         probe_packet->buf[7]                         &&
         !(probe_packet->buf[8] & 1)                  &&
-        !(probe_packet->buf[10] & 1))
+        !(probe_packet->buf[10] & 1)                 &&
+        AV_RL16(probe_packet->buf + 12 + 6) >= 920    &&
+        AV_RL16(probe_packet->buf + 12 + 6) < probe_packet->buf[12] * 3 + 4 + probe_packet->buf[7] * 2048
+    )
         return AVPROBE_SCORE_MAX * 3 / 4;
 
     return 0;