. added files for the SSE (MMX on steroids) IDCT. Meuuh, you should just

   need to touch plugins/idct/idct_mmxext.c (ok, the filenames suck).

Makefile.in

@@ -354,6 +354,9 @@ PLUGIN_IDCTMMX =	plugins/idct/idctmmx.o \
 			plugins/idct/idct_common.o \
 			plugins/idct/idctmmx_asm.o
 
+PLUGIN_IDCTMMXEXT =	plugins/idct/idctmmxext.o \
+			plugins/idct/idct_mmxext.o
+
 PLUGIN_ALSA =	plugins/alsa/alsa.o \
 		plugins/alsa/aout_alsa.o
 
@@ -368,7 +371,9 @@ STD_PLUGIN_OBJ =$(PLUGIN_BEOS) \
 		$(PLUGIN_YUV) \
 		$(PLUGIN_YUVMMX) \
 		$(PLUGIN_IDCT) \
+		$(PLUGIN_IDCTCLASSIC) \
 		$(PLUGIN_IDCTMMX) \
+		$(PLUGIN_IDCTMMXEXT) \
 		$(PLUGIN_SDL) \
 		$(PLUGIN_ALSA) \
 		$(PLUGIN_NULL)
@@ -568,6 +573,9 @@ lib/idctclassic.so: $(PLUGIN_IDCTCLASSIC)
 
 lib/idctmmx.so: $(PLUGIN_IDCTMMX)
 	$(CC) -nostart -Xlinker -soname=$@ -o $@ $^ plugins/_APP_
+
+lib/idctmmxext.so: $(PLUGIN_IDCTMMXEXT)
+	$(CC) -nostart -Xlinker -soname=$@ -o $@ $^ plugins/_APP_
 else
 lib/null.so: $(PLUGIN_NULL)
 	$(CC) $(PCFLAGS) -shared -o $@ $^
@@ -589,6 +597,9 @@ lib/idctclassic.so: $(PLUGIN_IDCTCLASSIC)
 
 lib/idctmmx.so: $(PLUGIN_IDCTMMX)
 	$(CC) $(PCFLAGS) -shared -o $@ $^
+
+lib/idctmmxext.so: $(PLUGIN_IDCTMMXEXT)
+	$(CC) $(PCFLAGS) -shared -o $@ $^
 endif
 
 ################################################################################

configure

@@ -3310,9 +3310,9 @@ fi
 # Check whether --enable-mmx or --disable-mmx was given.
 if test "${enable_mmx+set}" = set; then
   enableval="$enable_mmx"
-   if test x$enableval = xyes; then ARCH=${ARCH}" mmx"; PLUGINS=${PLUGINS}"yuvmmx idctmmx "; fi 
+   if test x$enableval = xyes; then ARCH=${ARCH}" mmx"; PLUGINS=${PLUGINS}"yuvmmx idctmmx idctmmxext "; fi 
 else
-   if test x${host_cpu} = xi686 -o x${host_cpu} = xi586; then ARCH=${ARCH}" mmx"; PLUGINS=${PLUGINS}"yuvmmx idctmmx "; fi 
+   if test x${host_cpu} = xi686 -o x${host_cpu} = xi586; then ARCH=${ARCH}" mmx"; PLUGINS=${PLUGINS}"yuvmmx idctmmx idctmmxext "; fi 
 fi
 
 # Check whether --enable-debug or --disable-debug was given.

configure.in

@@ -117,8 +117,8 @@ AC_ARG_ENABLE(ppro,
 [ if test x${host_cpu} = xi686; then ARCH=${ARCH}" ppro"; fi ])
 AC_ARG_ENABLE(mmx,
 [  --disable-mmx           Disable MMX optimizations (default enabled for x86)],
-[ if test x$enableval = xyes; then ARCH=${ARCH}" mmx"; PLUGINS=${PLUGINS}"yuvmmx idctmmx "; fi ],
-[ if test x${host_cpu} = xi686 -o x${host_cpu} = xi586; then ARCH=${ARCH}" mmx"; PLUGINS=${PLUGINS}"yuvmmx idctmmx "; fi ])
+[ if test x$enableval = xyes; then ARCH=${ARCH}" mmx"; PLUGINS=${PLUGINS}"yuvmmx idctmmx idctmmxext "; fi ],
+[ if test x${host_cpu} = xi686 -o x${host_cpu} = xi586; then ARCH=${ARCH}" mmx"; PLUGINS=${PLUGINS}"yuvmmx idctmmx idctmmxext "; fi ])
 AC_ARG_ENABLE(debug,
 [  --enable-debug          Enable debug mode (default disabled)],
 [ if test x$enableval = xyes; then DEBUG=1; fi ])

plugins/idct/idct_mmxext.c

+/*****************************************************************************
+ * 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;
+}
+

plugins/idct/idctmmxext.c

+/*****************************************************************************
+ * 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 );
+    }
+}
+