* idct.c : IDCT module
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
- * $Id: idct.c,v 1.4 2001/01/16 05:04:25 sam Exp $
+ * $Id: idct.c,v 1.6 2001/01/18 05:13:22 sam Exp $
*
* Authors: Gaƫl Hendryckx <jimmy@via.ecp.fr>
*
* Local and extern prototypes.
*****************************************************************************/
static void idct_getfunctions( function_list_t * p_function_list );
-
static int idct_Probe ( probedata_t *p_data );
-static void vdec_InitIDCT ( vdec_thread_t * p_vdec);
- void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
- int i_sparse_pos);
-static void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
- int i_idontcare );
+static void vdec_NormScan ( u8 ppi_scan[2][64] );
/*****************************************************************************
int InitModule( module_t * p_module )
{
p_module->psz_name = MODULE_STRING;
- p_module->psz_longname = "C IDCT module";
+ p_module->psz_longname = "IDCT module";
p_module->psz_version = VERSION;
p_module->i_capabilities = MODULE_CAPABILITY_NULL
p_function_list->functions.idct.pf_init = vdec_InitIDCT;
p_function_list->functions.idct.pf_sparse_idct = vdec_SparseIDCT;
p_function_list->functions.idct.pf_idct = vdec_IDCT;
+ p_function_list->functions.idct.pf_norm_scan = vdec_NormScan;
}
/*****************************************************************************
}
/*****************************************************************************
- * vdec_InitIDCT : initialize datas for vdec_SparseIDCT
+ * vdec_NormScan : Unused in this IDCT
*****************************************************************************/
-static void vdec_InitIDCT (vdec_thread_t * p_vdec)
+static void vdec_NormScan( u8 ppi_scan[2][64] )
{
- int i;
-
- dctelem_t * p_pre = p_vdec->p_pre_idct;
- memset( p_pre, 0, 64*64*sizeof(dctelem_t) );
-
- for( i=0 ; i < 64 ; i++ )
- {
- p_pre[i*64+i] = 1 << SPARSE_SCALE_FACTOR;
- vdec_IDCT( p_vdec, &p_pre[i*64], 0) ;
- }
- return;
}
/*****************************************************************************
* vdec_IDCT : IDCT function for normal matrices
*****************************************************************************/
-static void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
- int i_idontcare )
+void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
+ int i_idontcare )
{
s32 tmp0, tmp1, tmp2, tmp3;
s32 tmp10, tmp11, tmp12, tmp13;