--- /dev/null
+/*****************************************************************************
+ * idct_mmxext.c : MMX EXT IDCT functions
+ *****************************************************************************
+ * Copyright (C) 1999, 2000 VideoLAN
+ * $Id: idct_mmxext.c,v 1.1 2001/01/16 13:26:46 sam Exp $
+ *
+ * Authors:
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include "defs.h"
+
+#include <stdlib.h>
+
+#include "config.h"
+#include "common.h"
+#include "threads.h"
+#include "mtime.h"
+#include "tests.h"
+
+#include "video.h"
+#include "video_output.h"
+
+#include "video_decoder.h"
+
+#include "idct.h"
+
+/*****************************************************************************
+ * Local and extern prototypes.
+ *****************************************************************************/
+void vdec_InitIDCT ( vdec_thread_t * p_vdec);
+void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
+ int i_sparse_pos);
+void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
+ int i_idontcare );
+
+
+/*****************************************************************************
+ * vdec_InitIDCT : initialize datas for vdec_SparseIDCT
+ *****************************************************************************/
+void vdec_InitIDCT (vdec_thread_t * p_vdec)
+{
+ return;
+}
+
+/*****************************************************************************
+ * vdec_IDCT : IDCT function for normal matrices
+ *****************************************************************************/
+void vdec_IDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
+ int i_idontcare )
+{
+ return;
+}
+
+/*****************************************************************************
+ * vdec_SparseIDCT : IDCT function for sparse matrices
+ *****************************************************************************/
+void vdec_SparseIDCT( vdec_thread_t * p_vdec, dctelem_t * p_block,
+ int i_sparse_pos )
+{
+ return;
+}
+
--- /dev/null
+/*****************************************************************************
+ * idctmmxext.c : MMX EXT IDCT module
+ *****************************************************************************
+ * Copyright (C) 1999, 2000 VideoLAN
+ * $Id: idctmmxext.c,v 1.1 2001/01/16 13:26:46 sam Exp $
+ *
+ * Authors:
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+#define MODULE_NAME idctmmxext
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include "defs.h"
+
+#include <stdlib.h>
+
+#include "config.h"
+#include "common.h"
+#include "threads.h"
+#include "mtime.h"
+#include "tests.h" /* TestCPU() */
+
+#include "video.h"
+#include "video_output.h"
+
+#include "video_decoder.h"
+
+#include "modules.h"
+#include "modules_inner.h"
+
+#include "idct.h"
+
+/*****************************************************************************
+ * Local prototypes.
+ *****************************************************************************/
+static void idct_getfunctions( function_list_t * p_function_list );
+
+static int idct_Probe ( probedata_t *p_data );
+
+ void vdec_InitIDCT ( vdec_thread_t * p_vdec);
+ void vdec_SparseIDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
+ int i_sparse_pos);
+ void vdec_IDCT ( vdec_thread_t * p_vdec, dctelem_t * p_block,
+ int i_idontcare );
+
+
+/*****************************************************************************
+ * Build configuration tree.
+ *****************************************************************************/
+MODULE_CONFIG_START
+ADD_WINDOW( "Configuration for MMX EXT IDCT module" )
+ ADD_COMMENT( "Ha, ha -- nothing to configure yet" )
+MODULE_CONFIG_END
+
+/*****************************************************************************
+ * InitModule: get the module structure and configuration.
+ *****************************************************************************
+ * We have to fill psz_name, psz_longname and psz_version. These variables
+ * will be strdup()ed later by the main application because the module can
+ * be unloaded later to save memory, and we want to be able to access this
+ * data even after the module has been unloaded.
+ *****************************************************************************/
+int InitModule( module_t * p_module )
+{
+ p_module->psz_name = MODULE_STRING;
+ p_module->psz_longname = "MMX EXT IDCT module";
+ p_module->psz_version = VERSION;
+
+ p_module->i_capabilities = MODULE_CAPABILITY_NULL
+ | MODULE_CAPABILITY_IDCT;
+
+ return( 0 );
+}
+
+/*****************************************************************************
+ * ActivateModule: set the module to an usable state.
+ *****************************************************************************
+ * This function fills the capability functions and the configuration
+ * structure. Once ActivateModule() has been called, the i_usage can
+ * be set to 0 and calls to NeedModule() be made to increment it. To unload
+ * the module, one has to wait until i_usage == 0 and call DeactivateModule().
+ *****************************************************************************/
+int ActivateModule( module_t * p_module )
+{
+ p_module->p_functions = malloc( sizeof( module_functions_t ) );
+ if( p_module->p_functions == NULL )
+ {
+ return( -1 );
+ }
+
+ idct_getfunctions( &p_module->p_functions->idct );
+
+ p_module->p_config = p_config;
+
+ return( 0 );
+}
+
+/*****************************************************************************
+ * DeactivateModule: make sure the module can be unloaded.
+ *****************************************************************************
+ * This function must only be called when i_usage == 0. If it successfully
+ * returns, i_usage can be set to -1 and the module unloaded. Be careful to
+ * lock usage_lock during the whole process.
+ *****************************************************************************/
+int DeactivateModule( module_t * p_module )
+{
+ free( p_module->p_functions );
+
+ return( 0 );
+}
+
+/* Following functions are local */
+
+/*****************************************************************************
+ * Functions exported as capabilities.
+ *****************************************************************************/
+static void idct_getfunctions( function_list_t * p_function_list )
+{
+ p_function_list->pf_probe = idct_Probe;
+ 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;
+}
+
+/*****************************************************************************
+ * idct_Probe: return a preference score
+ *****************************************************************************/
+static int idct_Probe( probedata_t *p_data )
+{
+ /* FIXME: we need to test for EXT extensions */
+ if( TestCPU() & CPU_CAPABILITY_MMX )
+ {
+ if( TestMethod( IDCT_METHOD_VAR, "idctmmxext" ) )
+ {
+ return( 999 );
+ }
+ else
+ {
+ return( 200 );
+ }
+ }
+ else
+ {
+ return( 0 );
+ }
+}
+
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