* ./src/misc/modules.c: if a module name starts with "$", vlc calls

    config_GetPsz and uses the result instead.

modules/codec/a52old/a52old.c

@@ -2,7 +2,7 @@
  * a52old.c: A52 decoder module main file
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: a52old.c,v 1.1 2002/08/04 17:23:42 sam Exp $
+ * $Id: a52old.c,v 1.2 2002/08/04 20:04:11 sam Exp $
  *
  * Authors: Michel Lespinasse <walken@zoy.org>
  *
@@ -225,8 +225,6 @@ static int RunDecoder( decoder_fifo_t *p_fifo )
  *****************************************************************************/
 static int InitThread( a52dec_t * p_a52dec )
 {
-    char *psz_name;
-
     /*
      * Choose the best downmix module
      */
@@ -234,10 +232,8 @@ static int InitThread( a52dec_t * p_a52dec )
                                              sizeof( downmix_t ) );
     p_a52dec->p_downmix->psz_object_name = "downmix";
 
-    psz_name = config_GetPsz( p_a52dec->p_downmix, "a52-downmix" );
     p_a52dec->p_downmix->p_module =
-                    module_Need( p_a52dec->p_downmix, "downmix", psz_name );
-    if( psz_name ) free( psz_name );
+                module_Need( p_a52dec->p_downmix, "downmix", "$a52-downmix" );
 
     if( p_a52dec->p_downmix->p_module == NULL )
     {
@@ -253,10 +249,8 @@ static int InitThread( a52dec_t * p_a52dec )
                                            sizeof( imdct_t ) );
     
 #define IMDCT p_a52dec->p_imdct
-    psz_name = config_GetPsz( p_a52dec->p_fifo, "a52-imdct" );
     p_a52dec->p_imdct->p_module =
-                   module_Need( p_a52dec->p_imdct, "imdct", psz_name );
-    if( psz_name ) free( psz_name );
+                   module_Need( p_a52dec->p_imdct, "imdct", "$a52-imdct" );
 
     if( p_a52dec->p_imdct->p_module == NULL )
     {

modules/codec/mpeg_video/parser.c

@@ -2,7 +2,7 @@
  * video_parser.c : video parser thread
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: parser.c,v 1.2 2002/08/04 18:39:41 sam Exp $
+ * $Id: parser.c,v 1.3 2002/08/04 20:04:11 sam Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *          Samuel Hocevar <sam@via.ecp.fr>
@@ -194,15 +194,11 @@ static int RunDecoder ( decoder_fifo_t * p_fifo )
  *****************************************************************************/
 static int InitThread( vpar_thread_t *p_vpar )
 {
-    char *psz_name;
-
     /*
      * Choose the best motion compensation module
      */
-    psz_name = config_GetPsz( p_vpar->p_fifo, "mpeg-motion" );
     p_vpar->p_motion =
-                module_Need( p_vpar->p_fifo, "motion compensation", psz_name );
-    if( psz_name ) free( psz_name );
+         module_Need( p_vpar->p_fifo, "motion compensation", "$mpeg-motion" );
 
     if( p_vpar->p_motion == NULL )
     {
@@ -217,9 +213,7 @@ static int InitThread( vpar_thread_t *p_vpar )
     /*
      * Choose the best IDCT module
      */
-    psz_name = config_GetPsz( p_vpar->p_fifo, "mpeg-idct" );
-    p_vpar->p_idct = module_Need( p_vpar->p_fifo, "idct", psz_name );
-    if( psz_name ) free( psz_name );
+    p_vpar->p_idct = module_Need( p_vpar->p_fifo, "idct", "$mpeg-idct" );
 
     if( p_vpar->p_idct == NULL )
     {

src/audio_output/audio_output.c

@@ -2,7 +2,7 @@
  * audio_output.c : audio output thread
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: audio_output.c,v 1.88 2002/08/04 17:23:44 sam Exp $
+ * $Id: audio_output.c,v 1.89 2002/08/04 20:04:11 sam Exp $
  *
  * Authors: Michel Kaempf <maxx@via.ecp.fr>
  *          Cyril Deguet <asmax@via.ecp.fr>
@@ -55,7 +55,6 @@ aout_thread_t *aout_CreateThread( vlc_object_t *p_parent,
                                   int i_channels, int i_rate )
 {
     aout_thread_t * p_aout;                             /* thread descriptor */
-    char *          psz_name;
     int             i_format;
 
     /* Allocate descriptor */
@@ -87,9 +86,7 @@ aout_thread_t *aout_CreateThread( vlc_object_t *p_parent,
     }
 
     /* Choose the best module */
-    psz_name = config_GetPsz( p_aout, "aout" );
-    p_aout->p_module = module_Need( p_aout, "audio output", psz_name );
-    if( psz_name ) free( psz_name );
+    p_aout->p_module = module_Need( p_aout, "audio output", "$aout" );
     if( p_aout->p_module == NULL )
     {
         msg_Err( p_aout, "no suitable aout module" );

src/input/input_dec.c

@@ -2,7 +2,7 @@
  * input_dec.c: Functions for the management of decoders
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: input_dec.c,v 1.41 2002/07/31 20:56:52 sam Exp $
+ * $Id: input_dec.c,v 1.42 2002/08/04 20:04:11 sam Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
@@ -45,7 +45,6 @@ static void             DeleteDecoderFifo( decoder_fifo_t * );
 decoder_fifo_t * input_RunDecoder( input_thread_t * p_input,
                                    es_descriptor_t * p_es )
 {
-    char * psz_plugin;
     decoder_fifo_t *p_fifo;
 
     /* Create the decoder configuration structure */
@@ -58,9 +57,7 @@ decoder_fifo_t * input_RunDecoder( input_thread_t * p_input,
     }
 
     /* Get a suitable module */
-    psz_plugin = config_GetPsz( p_fifo, "codec" );
-    p_fifo->p_module = module_Need( p_fifo, "decoder", psz_plugin );
-    if( psz_plugin ) free( psz_plugin );
+    p_fifo->p_module = module_Need( p_fifo, "decoder", "$codec" );
     if( p_fifo->p_module == NULL )
     {
         msg_Err( p_fifo, "no suitable decoder module for fourcc `%4.4s'",

src/interface/interface.c

@@ -4,7 +4,7 @@
  * interface, such as command line.
  *****************************************************************************
  * Copyright (C) 1998-2001 VideoLAN
- * $Id: interface.c,v 1.97 2002/07/31 20:56:52 sam Exp $
+ * $Id: interface.c,v 1.98 2002/08/04 20:04:11 sam Exp $
  *
  * Authors: Vincent Seguin <seguin@via.ecp.fr>
  *
@@ -58,7 +58,6 @@ static void Manager( intf_thread_t *p_intf );
 intf_thread_t* __intf_Create( vlc_object_t *p_this )
 {
     intf_thread_t * p_intf;
-    char *psz_name;
 
     /* Allocate structure */
     p_intf = vlc_object_create( p_this, VLC_OBJECT_INTF );
@@ -69,10 +68,8 @@ intf_thread_t* __intf_Create( vlc_object_t *p_this )
     }
 
     /* Choose the best module */
-    psz_name = config_GetPsz( p_intf, "intf" );
-    p_intf->p_module = module_Need( p_intf, "interface", psz_name );
+    p_intf->p_module = module_Need( p_intf, "interface", "$intf" );
 
-    if( psz_name ) free( psz_name );
     if( p_intf->p_module == NULL )
     {
         msg_Err( p_intf, "no suitable intf module" );

src/libvlc.c

@@ -2,7 +2,7 @@
  * libvlc.c: main libvlc source
  *****************************************************************************
  * Copyright (C) 1998-2002 VideoLAN
- * $Id: libvlc.c,v 1.19 2002/07/31 20:56:52 sam Exp $
+ * $Id: libvlc.c,v 1.20 2002/08/04 20:04:11 sam Exp $
  *
  * Authors: Vincent Seguin <seguin@via.ecp.fr>
  *          Samuel Hocevar <sam@zoy.org>
@@ -186,7 +186,6 @@ vlc_error_t vlc_init( int i_argc, char *ppsz_argv[] )
 vlc_error_t vlc_init_r( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
 {
     char p_capabilities[200];
-    char *psz_module;
     char *p_tmp;
     module_t        *p_help_module;
     playlist_t      *p_playlist;
@@ -453,9 +452,7 @@ vlc_error_t vlc_init_r( vlc_t *p_vlc, int i_argc, char *ppsz_argv[] )
     /*
      * Choose the best memcpy module
      */
-    psz_module = config_GetPsz( p_vlc, "memcpy" );
-    p_vlc->p_memcpy_module = module_Need( p_vlc, "memcpy", psz_module );
-    if( psz_module ) free( psz_module );
+    p_vlc->p_memcpy_module = module_Need( p_vlc, "memcpy", "$memcpy" );
 
     if( p_vlc->p_memcpy_module == NULL )
     {

src/misc/modules.c

@@ -2,7 +2,7 @@
  * modules.c : Builtin and plugin modules management functions
  *****************************************************************************
  * Copyright (C) 2001 VideoLAN
- * $Id: modules.c,v 1.77 2002/08/04 17:23:44 sam Exp $
+ * $Id: modules.c,v 1.78 2002/08/04 20:04:11 sam Exp $
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
  *          Ethan C. Baldridge <BaldridgeE@cadmus.com>
@@ -277,7 +277,7 @@ module_t * __module_Need( vlc_object_t *p_this, const char *psz_capability,
     module_list_t *p_list, *p_first, *p_tmp;
 
     int i_index = 0;
-    vlc_bool_t b_intf = VLC_FALSE;
+    vlc_bool_t b_intf = VLC_FALSE, b_var = VLC_FALSE;
 
     module_t *p_module;
 
@@ -286,6 +286,13 @@ module_t * __module_Need( vlc_object_t *p_this, const char *psz_capability,
 
     msg_Dbg( p_this, "looking for %s module", psz_capability );
 
+    /* Deal with variables */
+    if( psz_name && psz_name[0] == '$' )
+    {
+        psz_name = config_GetPsz( p_this, psz_name + 1 );
+        b_var = ( psz_name != NULL );
+    }
+
     /* Count how many different shortcuts were asked for */
     if( psz_name && *psz_name )
     {
@@ -294,6 +301,7 @@ module_t * __module_Need( vlc_object_t *p_this, const char *psz_capability,
         /* If the user wants none, give him none. */
         if( !strcmp( psz_name, "none" ) )
         {
+            if( b_var ) free( psz_name );
             return NULL;
         }
 
@@ -525,6 +533,11 @@ module_t * __module_Need( vlc_object_t *p_this, const char *psz_capability,
         free( psz_shortcuts );
     }
 
+    if( b_var )
+    {
+        free( psz_name );
+    }
+
     /* Don't forget that the module is still locked */
     return p_module;
 }