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author | Thiago Santos <thiagoss@osg.samsung.com> | 2016-02-19 16:40:54 -0300 |
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committer | Tim-Philipp Müller <tim@centricular.com> | 2016-04-06 14:15:43 +0100 |
commit | ef6839e72c62ed0cd41f3da276414268167f21c9 (patch) | |
tree | c987dd6c58832129533e9c0d36e8aa67a3521609 | |
parent | 2df0ea3ab9c259533a83c66cabf0128b226f93d1 (diff) |
mpeg4parser: prevent assertion when scanning for sync code
Only search if there is indeed enough data to be searched otherwise
an assertion is raised
-rw-r--r-- | gst-libs/gst/codecparsers/gstmpeg4parser.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gst-libs/gst/codecparsers/gstmpeg4parser.c b/gst-libs/gst/codecparsers/gstmpeg4parser.c index ce156c5a2..b23fc872f 100644 --- a/gst-libs/gst/codecparsers/gstmpeg4parser.c +++ b/gst-libs/gst/codecparsers/gstmpeg4parser.c @@ -481,8 +481,11 @@ gst_mpeg4_parse (GstMpeg4Packet * packet, gboolean skip_user_data, packet->type = (GstMpeg4StartCode) (data[off1 + 3]); find_end: - off2 = gst_byte_reader_masked_scan_uint32 (&br, 0xffffff00, 0x00000100, - off1 + 4, size - off1 - 4); + if (off1 < size - 4) + off2 = gst_byte_reader_masked_scan_uint32 (&br, 0xffffff00, 0x00000100, + off1 + 4, size - off1 - 4); + else + off2 = -1; if (off2 == -1) { GST_DEBUG ("Packet start %d, No end found", off1 + 4); |