vdec: transform h264 buffers to bytestream
vdec: transform h264 buffers to bytestream

So that the DSP is happy.

Signed-off-by: Felipe Contreras <de77a8b9cd239b204c19c52ed62e48ab47243362@nokia.com>

felipec/gst-dsp,felipec/gst-dsp,community-ssu/gst-dsp,community-ssu/gst-dsp,community-ssu/gst-dsp