[Bug 770683] New: Not start code and slice_data_offset for H.264(AVS) VASliceDataBufferType type data

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Aug 31 22:20:25 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=770683

            Bug ID: 770683
           Summary: Not start code and slice_data_offset for H.264(AVS)
                    VASliceDataBufferType type data
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: ayaka at soulik.info
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

The Intel i915 VA-API doesn't require the start code for H.264(AVS) but the
HEVC does, it would use the slice_data_offset to omit the start code
prefix(0x000001). But some hardware video process do require the start code for
AVS. The known device are those ARM chips from rockchips.

It would be not strip the start code for AVS to work in all the devices.

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