[Bug 778365] New: offset accounted twice in _masked_scan_uint32_peek for H264 special case
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Wed Feb 8 21:32:05 UTC 2017
https://bugzilla.gnome.org/show_bug.cgi?id=778365
Bug ID: 778365
Summary: offset accounted twice in _masked_scan_uint32_peek for
H264 special case
Classification: Platform
Product: GStreamer
Version: git master
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gstreamer (core)
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: m7onov at gmail.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
In function gstreamer/libs/gst/base/gstbytereader.c:_masked_scan_uint32_peek
"offset" value accounted twice. First time when we evaluate "data" variable.
The second time when we pass "offset" value to _scan_for_start_code function.
The case is applicable only when special condition are met: (pattern ==
0x00000100) && (mask == 0xffffff00) - H264 nal unit border pattern.
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