[Bug 768446] New: kmssink: on intel, stride must be 64 byte aligned

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=768446

            Bug ID: 768446
           Summary: kmssink: on intel, stride must be 64 byte aligned
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: vjaquez at igalia.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

While testing kmssink in i965, I have found, when trying to negotiate a video
with format YUY2 720x576 the addfb2 failed with an "Invalid argument"

Debugging the kernel, found this message:

kernel: [drm:intel_framebuffer_init] pitch (1440) must be at least 64 byte
aligned
kernel: [drm:internal_framebuffer_create] could not create framebuffer
kernel: [drm:drm_ioctl] ret = -22

My first approach is to have two infos, one with the original video info, and a
second, used to allocate, with the aligned stride.

Is it a good approach? Would it work in other platforms?

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