/*****************************************************************************
* ModuleConfigControl implementation
*****************************************************************************/
ModuleConfigControl::ModuleConfigControl( vlc_object_t *p_this,
module_config_t *p_item,
HWND parent, HINSTANCE hInst,
int * py_pos )
: ConfigControl( p_this, p_item, parent, hInst )
{
module_t **p_list;
module_t *p_parser;
label = CreateWindow( _T("STATIC"), _FROMMB(p_item->psz_text),
WS_CHILD | WS_VISIBLE | SS_LEFT,
5, *py_pos, 200, 15,
parent, NULL, hInst, NULL );
*py_pos += 15 + 10;
combo = CreateWindow( _T("COMBOBOX"), _T(""),
WS_CHILD | WS_VISIBLE | CBS_AUTOHSCROLL |
CBS_DROPDOWNLIST | CBS_SORT | WS_VSCROLL,
20, *py_pos, 180, 5*15 + 6,
parent, NULL, hInst, NULL);
*py_pos += 15 + 10;
/* build a list of available modules */
p_list = module_list_get( NULL );
ComboBox_AddString( combo, _T("Default") );
ComboBox_SetItemData( combo, 0, (void *)NULL );
ComboBox_SetCurSel( combo, 0 );
//ComboBox_SetText( combo, _T("Default") );
for( size_t i_index = 0; p_list[i_index]; i_index++ )
{
p_parser = p_list[i_index];
if( module_provides( p_parser, p_item->psz_type ) )
{
ComboBox_AddString( combo, _FROMMB(module_GetLongName( p_parser ) ));
ComboBox_SetItemData( combo, i_index,
(void *) module_get_object( p_parser ) );
if( p_item->value.psz && !strcmp( p_item->value.psz,
module_get_object( p_parser )) )
{
ComboBox_SetCurSel( combo, i_index );
//ComboBox_SetText( combo, _FROMMB( module_GetLongName(p_parser)) );
}
}
}
module_list_free( p_list );
}
/*****************************************
* Get the list of available audio outputs
*****************************************/
libvlc_audio_output_t *
libvlc_audio_output_list_get( libvlc_instance_t *p_instance,
libvlc_exception_t *p_e )
{
VLC_UNUSED( p_instance );
libvlc_audio_output_t *p_list = NULL,
*p_actual = NULL,
*p_previous = NULL;
module_t **module_list = module_list_get( NULL );
for (size_t i = 0; module_list[i]; i++)
{
module_t *p_module = module_list[i];
if( module_provides( p_module, "audio output" ) )
{
if( p_actual == NULL)
{
p_actual = ( libvlc_audio_output_t * )
malloc( sizeof( libvlc_audio_output_t ) );
if( p_actual == NULL )
{
libvlc_exception_raise( p_e );
libvlc_printerr( "Not enough memory" );
libvlc_audio_output_list_release( p_list );
module_list_free( module_list );
return NULL;
}
if( p_list == NULL )
{
p_list = p_actual;
p_previous = p_actual;
}
}
p_actual->psz_name = strdup( module_get_object( p_module ) );
p_actual->psz_description = strdup( module_get_name( p_module, true ) );
p_actual->p_next = NULL;
if( p_previous != p_actual ) /* not first item */
p_previous->p_next = p_actual;
p_previous = p_actual;
p_actual = p_actual->p_next;
}
}
module_list_free( module_list );
return p_list;
}
static libvlc_module_description_t *module_description_list_get(
libvlc_instance_t *p_instance, const char *capability )
{
libvlc_module_description_t *p_list = NULL,
*p_actual = NULL,
*p_previous = NULL;
size_t count;
module_t **module_list = module_list_get( &count );
for (size_t i = 0; i < count; i++)
{
module_t *p_module = module_list[i];
if ( !module_provides( p_module, capability ) )
continue;
p_actual = ( libvlc_module_description_t * ) malloc( sizeof( libvlc_module_description_t ) );
if ( p_actual == NULL )
{
libvlc_printerr( "Not enough memory" );
libvlc_module_description_list_release( p_list );
module_list_free( module_list );
return NULL;
}
if ( p_list == NULL )
p_list = p_actual;
const char* name = module_get_object( p_module );
const char* shortname = module_get_name( p_module, false );
const char* longname = module_get_name( p_module, true );
const char* help = module_get_help( p_module );
p_actual->psz_name = name ? strdup( name ) : NULL;
p_actual->psz_shortname = shortname ? strdup( shortname ) : NULL;
p_actual->psz_longname = longname ? strdup( longname ) : NULL;
p_actual->psz_help = help ? strdup( help ) : NULL;
p_actual->p_next = NULL;
if ( p_previous )
p_previous->p_next = p_actual;
p_previous = p_actual;
}
module_list_free( module_list );
VLC_UNUSED( p_instance );
return p_list;
}
/*****************************************
* Get the list of available audio outputs
*****************************************/
libvlc_audio_output_t *
libvlc_audio_output_list_get( libvlc_instance_t *p_instance )
{
size_t count;
module_t **module_list = module_list_get( &count );
libvlc_audio_output_t *list = NULL;
for (size_t i = 0; i < count; i++)
{
module_t *module = module_list[i];
if( !module_provides( module, "audio output" ) )
continue;
libvlc_audio_output_t *item = malloc( sizeof( *item ) );
if( unlikely(item == NULL) )
{
error:
libvlc_printerr( "Not enough memory" );
libvlc_audio_output_list_release( list );
list = NULL;
break;
}
item->psz_name = strdup( module_get_object( module ) );
item->psz_description = strdup( module_get_name( module, true ) );
if( unlikely(item->psz_name == NULL || item->psz_description == NULL) )
{
free( item->psz_name );
free( item->psz_description );
free( item );
goto error;
}
item->p_next = list;
list = item;
}
module_list_free( module_list );
VLC_UNUSED( p_instance );
return list;
}
/**
* Finds and instantiates the best module of a certain type.
* All candidates modules having the specified capability and name will be
* sorted in decreasing order of priority. Then the probe callback will be
* invoked for each module, until it succeeds (returns 0), or all candidate
* module failed to initialize.
*
* The probe callback first parameter is the address of the module entry point.
* Further parameters are passed as an argument list; it corresponds to the
* variable arguments passed to this function. This scheme is meant to
* support arbitrary prototypes for the module entry point.
*
* \param p_this VLC object
* \param psz_capability capability, i.e. class of module
* \param psz_name name name of the module asked, if any
* \param b_strict if true, do not fallback to plugin with a different name
* but the same capability
* \param probe module probe callback
* \return the module or NULL in case of a failure
*/
module_t *vlc_module_load(vlc_object_t *p_this, const char *psz_capability,
const char *psz_name, bool b_strict,
vlc_activate_t probe, ...)
{
int i_shortcuts = 0;
char *psz_shortcuts = NULL, *psz_var = NULL, *psz_alias = NULL;
bool b_force_backup = p_this->b_force;
/* Deal with variables */
if( psz_name && psz_name[0] == '$' )
{
psz_name = psz_var = var_CreateGetString( p_this, psz_name + 1 );
}
/* Count how many different shortcuts were asked for */
if( psz_name && *psz_name )
{
char *psz_parser, *psz_last_shortcut;
/* If the user wants none, give him none. */
if( !strcmp( psz_name, "none" ) )
{
free( psz_var );
return NULL;
}
i_shortcuts++;
psz_parser = psz_shortcuts = psz_last_shortcut = strdup( psz_name );
while( ( psz_parser = strchr( psz_parser, ',' ) ) )
{
*psz_parser = '\0';
i_shortcuts++;
psz_last_shortcut = ++psz_parser;
}
/* Check if the user wants to override the "strict" mode */
if( psz_last_shortcut )
{
if( !strcmp(psz_last_shortcut, "none") )
{
b_strict = true;
i_shortcuts--;
}
else if( !strcmp(psz_last_shortcut, "any") )
{
b_strict = false;
i_shortcuts--;
}
}
}
/* Sort the modules and test them */
size_t total, match = 0;
module_t **p_all = module_list_get (&total);
module_list_t *p_list = xmalloc( total * sizeof( module_list_t ) );
/* Parse the module list for capabilities and probe each of them */
for (size_t i = 0; i < total; i++)
{
module_t *p_module = p_all[i];
int i_shortcut_bonus = 0;
/* Test that this module can do what we need */
if( !module_provides( p_module, psz_capability ) )
continue;
/* If we required a shortcut, check this plugin provides it. */
if( i_shortcuts > 0 )
{
const char *name = psz_shortcuts;
for( unsigned i_short = i_shortcuts; i_short > 0; i_short-- )
{
for( unsigned i = 0; i < p_module->i_shortcuts; i++ )
{
char *c;
if( ( c = strchr( name, '@' ) )
? !strncasecmp( name, p_module->pp_shortcuts[i],
c-name )
: !strcasecmp( name, p_module->pp_shortcuts[i] ) )
{
/* Found it */
if( c && c[1] )
psz_alias = c+1;
i_shortcut_bonus = i_short * 10000;
goto found_shortcut;
}
}
/* Go to the next shortcut... This is so lame! */
name += strlen( name ) + 1;
}
/* If we are in "strict" mode and we couldn't
* find the module in the list of provided shortcuts,
* then kick the bastard out of here!!! */
if( b_strict )
continue;
}
/* Trash <= 0 scored plugins (they can only be selected by shortcut) */
if( p_module->i_score <= 0 )
continue;
found_shortcut:
/* Store this new module */
p_list[match].p_module = p_module;
p_list[match].i_score = p_module->i_score + i_shortcut_bonus;
p_list[match].b_force = i_shortcut_bonus && b_strict;
match++;
}
/* We can release the list, interesting modules are held */
module_list_free (p_all);
if( match == 0 )
{
msg_Dbg( p_this, "no %s module matched \"%s\"",
psz_capability, (psz_name && *psz_name) ? psz_name : "any" );
return NULL; // shortcut
}
/* Sort candidates by descending score */
qsort (p_list, match, sizeof (p_list[0]), modulecmp);
msg_Dbg( p_this, "looking for %s module: %zu candidate%s", psz_capability,
match, match == 1 ? "" : "s" );
/* Parse the linked list and use the first successful module */
module_t *p_module = NULL;
va_list args;
va_start(args, probe);
for (size_t i = 0; (i < match) && (p_module == NULL); i++)
{
module_t *p_cand = p_list[i].p_module;
if (module_Map (p_this, p_cand))
continue;
p_this->b_force = p_list[i].b_force;
int ret;
if (likely(p_cand->pf_activate != NULL))
{
va_list ap;
va_copy(ap, args);
ret = probe(p_cand->pf_activate, ap);
va_end(ap);
}
else
ret = VLC_SUCCESS;
switch (ret)
{
case VLC_SUCCESS:
/* good module! */
p_module = p_cand;
break;
case VLC_ETIMEOUT:
/* good module, but aborted */
break;
default: /* bad module */
continue;
}
}
va_end (args);
free( p_list );
p_this->b_force = b_force_backup;
if( p_module != NULL )
{
msg_Dbg( p_this, "using %s module \"%s\"",
psz_capability, module_get_object(p_module) );
vlc_object_set_name( p_this, psz_alias ? psz_alias
: module_get_object(p_module) );
}
else
msg_Dbg( p_this, "no %s module matching \"%s\" could be loaded",
psz_capability, (psz_name && *psz_name) ? psz_name : "any" );
free( psz_shortcuts );
free( psz_var );
/* Don't forget that the module is still locked */
return p_module;
}
void vout_EnableFilter( vout_thread_t *p_vout, const char *psz_name,
bool b_add, bool b_setconfig )
{
char *psz_parser;
char *psz_string;
const char *psz_filter_type;
module_t *p_obj = module_find( psz_name );
if( !p_obj )
{
msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
return;
}
if( module_provides( p_obj, "video filter2" ) )
{
psz_filter_type = "video-filter";
}
else if( module_provides( p_obj, "sub source" ) )
{
psz_filter_type = "sub-source";
}
else if( module_provides( p_obj, "sub filter" ) )
{
psz_filter_type = "sub-filter";
}
else
{
msg_Err( p_vout, "Unknown video filter type." );
return;
}
psz_string = var_GetString( p_vout, psz_filter_type );
/* Todo : Use some generic chain manipulation functions */
if( !psz_string ) psz_string = strdup("");
psz_parser = strstr( psz_string, psz_name );
if( b_add )
{
if( !psz_parser )
{
psz_parser = psz_string;
if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
psz_string, psz_name ) == -1 )
{
free( psz_parser );
return;
}
free( psz_parser );
}
else
return;
}
else
{
if( psz_parser )
{
memmove( psz_parser, psz_parser + strlen(psz_name) +
(*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
strlen(psz_parser + strlen(psz_name)) + 1 );
/* Remove trailing : : */
if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
{
*(psz_string+strlen(psz_string ) -1 ) = '\0';
}
}
else
{
free( psz_string );
return;
}
}
if( b_setconfig )
{
config_PutPsz( p_vout, psz_filter_type, psz_string );
}
var_SetString( p_vout, psz_filter_type, psz_string );
free( psz_string );
}
void vout_EnableFilter( vout_thread_t *p_vout, char *psz_name,
bool b_add, bool b_setconfig )
{
char *psz_parser;
char *psz_string;
const char *psz_filter_type;
/* FIXME temporary hack */
const char *psz_module_name = psz_name;
if( !strcmp( psz_name, "magnify" ) ||
!strcmp( psz_name, "puzzle" ) ||
!strcmp( psz_name, "logo" ) ||
!strcmp( psz_name, "wall" ) ||
!strcmp( psz_name, "clone" ) )
psz_module_name = "video_filter_wrapper";
module_t *p_obj = module_find( psz_module_name );
if( !p_obj )
{
msg_Err( p_vout, "Unable to find filter module \"%s\".", psz_name );
return;
}
if( module_provides( p_obj, "video filter" ) )
{
psz_filter_type = "vout-filter";
}
else if( module_provides( p_obj, "video filter2" ) )
{
psz_filter_type = "video-filter";
}
else if( module_provides( p_obj, "sub filter" ) )
{
psz_filter_type = "sub-filter";
}
else
{
module_release( p_obj );
msg_Err( p_vout, "Unknown video filter type." );
return;
}
module_release( p_obj );
if( !strcmp( psz_filter_type, "sub-filter") )
psz_string = var_GetString( vout_GetSpu( p_vout ), psz_filter_type );
else
psz_string = var_GetString( p_vout, psz_filter_type );
/* Todo : Use some generic chain manipulation functions */
if( !psz_string ) psz_string = strdup("");
psz_parser = strstr( psz_string, psz_name );
if( b_add )
{
if( !psz_parser )
{
psz_parser = psz_string;
if( asprintf( &psz_string, (*psz_string) ? "%s:%s" : "%s%s",
psz_string, psz_name ) == -1 )
{
free( psz_parser );
return;
}
free( psz_parser );
}
else
return;
}
else
{
if( psz_parser )
{
memmove( psz_parser, psz_parser + strlen(psz_name) +
(*(psz_parser + strlen(psz_name)) == ':' ? 1 : 0 ),
strlen(psz_parser + strlen(psz_name)) + 1 );
/* Remove trailing : : */
if( *(psz_string+strlen(psz_string ) -1 ) == ':' )
{
*(psz_string+strlen(psz_string ) -1 ) = '\0';
}
}
else
{
free( psz_string );
return;
}
}
if( b_setconfig )
{
if( !strcmp( psz_filter_type, "sub-filter") )
config_PutPsz( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
else
config_PutPsz( p_vout, psz_filter_type, psz_string );
}
if( !strcmp( psz_filter_type, "sub-filter") )
var_SetString( vout_GetSpu( p_vout ), psz_filter_type, psz_string );
else
var_SetString( p_vout, psz_filter_type, psz_string );
free( psz_string );
}
