ipusink: small debug output improvement

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Added new GstMeta for physically contiguous memory information

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Renamed gst_fsl_vpu_buffer_pool_set_framebuffer()

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Added picture width/height reported by the VPU to the framebuffers struct

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
gst_fsl_vpu_set_buffer_contents() now sets the phys mem meta data as well

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
ipusink: changed show_frame() code to use phys mem meta instead of vpu meta

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Moved GstMeta types into their own .h/.c files

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>