ffmpeg update to june 23 version which fixes mp4 crash on still frames with 3...

source/patched-ffmpeg-mt/libavcodec/mpeg4audio.c

Index: source/patched-ffmpeg-mt/libavcodec/mpeg4audio.c
===================================================================
--- source/patched-ffmpeg-mt/libavcodec/mpeg4audio.c	(revision 50820)
+++ source/patched-ffmpeg-mt/libavcodec/mpeg4audio.c	(working copy)
@@ -131,6 +131,14 @@
                 get_bits1(&gb); // skip 1 bit
         }
     }
+
+    //PS requires SBR
+    if (!c->sbr)
+        c->ps = 0;
+    //Limit implicit PS to the HE-AACv2 Profile
+    if ((c->ps == -1 && c->object_type != AOT_AAC_LC) || c->channels & ~0x01)
+        c->ps = 0;
+
     return specific_config_bitindex;
 }