[Bug 671126] New: v4l2src: avoid using same lenght variable for mmap and video buffer
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Thu Mar 1 05:25:47 PST 2012
https://bugzilla.gnome.org/show_bug.cgi?id=671126
GStreamer | gst-plugins-good | git
Summary: v4l2src: avoid using same lenght variable for mmap and
video buffer
Classification: Platform
Product: GStreamer
Version: git
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-plugins-good
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: bug-track at fisher-privat.net
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
Created an attachment (id=208781)
View: https://bugzilla.gnome.org/attachment.cgi?id=208781
Review: https://bugzilla.gnome.org/review?bug=671126&attachment=208781
v4l2src: patch v1
current v4l2src use same structure for VIDIOC_QUERYBUF, VIDIOC_QBUF
aand v4l2_munmap calls. The problem, video buffer size (lenght) may variate for
compressed or emulated bufs. VIDIOC_QBUF will change it if we pass
the pointer of v4l2_buffer pointer.
This is why we should avoid using same variable for mmap and video buffers.
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