g3dvl: Rework the decoder interface part 3/5

Revert back to a macroblock based interface. The structure used
tries to keep as close to the spec as possible.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Younes Manton <younes.m@gmail.com>
diff --git a/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h b/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
index 5b3debd..fd14ac9 100644
--- a/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
+++ b/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
@@ -75,17 +75,7 @@
    // have we allready told the decoder to start a frame
    bool frame_started;
 
-   struct {
-      unsigned num_blocks_added;
-      struct pipe_ycbcr_block *stream;
-      short *buffer;
-   } ycbcr[3];
-
-   unsigned mv_stride;
-   struct {
-      XvMCSurface *surface;
-      struct pipe_motionvector *mv;
-   } ref[2];
+   XvMCSurface *ref[2];
 
    struct pipe_fence_handle *fence;