+#define DECODEBLOCKSBW( OPBLOCK ) \
+{ \
+ int i_b, i_mask; \
+ \
+ i_mask = 1 << (3 + p_mb->i_chroma_nb_blocks); \
+ \
+ /* luminance */ \
+ for( i_b = 0; i_b < 4; i_b++, i_mask >>= 1 ) \
+ { \
+ if( p_mb->i_coded_block_pattern & i_mask ) \
+ { \
+ /* \
+ * Inverse DCT (ISO/IEC 13818-2 section Annex A) \
+ */ \
+ (p_mb->pf_idct[i_b])( p_vdec, p_mb->ppi_blocks[i_b], \
+ p_mb->pi_sparse_pos[i_b] ); \
+ \
+ /* \
+ * Adding prediction and coefficient data (ISO/IEC 13818-2 \
+ * section 7.6.8) \
+ */ \
+ OPBLOCK( p_vdec, p_mb->ppi_blocks[i_b], \
+ p_mb->p_data[i_b], p_mb->i_addb_l_stride ); \
+ } \
+ } \
+}
+
+void vdec_DecodeMacroblockC ( vdec_thread_t *p_vdec, macroblock_t * p_mb )
+{
+ if( !(p_mb->i_mb_type & MB_INTRA) )
+ {
+ /*
+ * Motion Compensation (ISO/IEC 13818-2 section 7.6)
+ */
+ if( p_mb->pf_motion == 0 )
+ {
+ intf_ErrMsg( "vdec error: pf_motion set to NULL" );
+ }
+ else
+ {
+ p_mb->pf_motion( p_mb );
+ }
+
+ DECODEBLOCKSC( AddBlock )
+ }
+ else
+ {
+ DECODEBLOCKSC( CopyBlock )
+ }
+
+ /*
+ * Decoding is finished, release the macroblock and free
+ * unneeded memory.
+ */
+ vpar_ReleaseMacroblock( &p_vdec->p_vpar->vfifo, p_mb );
+}
+
+void vdec_DecodeMacroblockBW ( vdec_thread_t *p_vdec, macroblock_t * p_mb )