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vlc-2-2
Commit f7115564 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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Support for creating object with custom type name and size. 

This help suppress dependency of src/misc/modules.c
upon some structs typedefs just for the sake of sizeof.
parent 5d10806a
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Showing with 114 additions and 103 deletions
src/misc/objects.c
View file @ f7115564
......@@ -87,12 +87,120 @@ static void ListChildren ( vlc_list_t *, vlc_object_t *, int );
*****************************************************************************/
static vlc_mutex_t structure_lock;
static vlc_object_t *vlc_custom_create( vlc_object_t *p_this, size_t i_size,
int i_type, const char *psz_type )
{
vlc_object_t * p_new;
if( i_type == VLC_OBJECT_GLOBAL )
{
p_new = p_this;
}
else
{
p_new = malloc( i_size );
if( !p_new ) return NULL;
memset( p_new, 0, i_size );
}
p_new->i_object_type = i_type;
p_new->psz_object_type = psz_type;
p_new->psz_object_name = NULL;
p_new->b_die = VLC_FALSE;
p_new->b_error = VLC_FALSE;
p_new->b_dead = VLC_FALSE;
p_new->b_attached = VLC_FALSE;
p_new->b_force = VLC_FALSE;
p_new->psz_header = NULL;
p_new->i_flags = 0;
if( p_this->i_flags & OBJECT_FLAGS_NODBG )
p_new->i_flags |= OBJECT_FLAGS_NODBG;
if( p_this->i_flags & OBJECT_FLAGS_QUIET )
p_new->i_flags |= OBJECT_FLAGS_QUIET;
if( p_this->i_flags & OBJECT_FLAGS_NOINTERACT )
p_new->i_flags |= OBJECT_FLAGS_NOINTERACT;
p_new->i_vars = 0;
p_new->p_vars = (variable_t *)malloc( 16 * sizeof( variable_t ) );
if( !p_new->p_vars )
{
if( i_type != VLC_OBJECT_GLOBAL )
free( p_new );
return NULL;
}
if( i_type == VLC_OBJECT_GLOBAL )
{
/* If i_type is global, then p_new is actually p_libvlc_global */
p_new->p_libvlc_global = (libvlc_global_data_t*)p_new;
p_new->p_libvlc = NULL;
p_new->p_libvlc_global->i_counter = 0;
p_new->i_object_id = 0;
p_new->p_libvlc_global->i_objects = 1;
p_new->p_libvlc_global->pp_objects = malloc( sizeof(vlc_object_t *) );
p_new->p_libvlc_global->pp_objects[0] = p_new;
p_new->b_attached = VLC_TRUE;
}
else
{
p_new->p_libvlc_global = p_this->p_libvlc_global;
p_new->p_libvlc = ( i_type == VLC_OBJECT_LIBVLC ) ? (libvlc_int_t*)p_new
: p_this->p_libvlc;
vlc_mutex_lock( &structure_lock );
p_new->p_libvlc_global->i_counter++;
p_new->i_object_id = p_new->p_libvlc_global->i_counter;
/* Wooohaa! If *this* fails, we're in serious trouble! Anyway it's
* useless to try and recover anything if pp_objects gets smashed. */
TAB_APPEND( p_new->p_libvlc_global->i_objects,
p_new->p_libvlc_global->pp_objects,
p_new );
vlc_mutex_unlock( &structure_lock );
}
p_new->i_refcount = 0;
p_new->p_parent = NULL;
p_new->pp_children = NULL;
p_new->i_children = 0;
p_new->p_private = NULL;
/* Initialize mutexes and condvars */
vlc_mutex_init( p_new, &p_new->object_lock );
vlc_cond_init( p_new, &p_new->object_wait );
vlc_mutex_init( p_new, &p_new->var_lock );
if( i_type == VLC_OBJECT_GLOBAL )
{
vlc_mutex_init( p_new, &structure_lock );
var_Create( p_new, "list", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_new, "list", DumpCommand, NULL );
var_Create( p_new, "tree", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_new, "tree", DumpCommand, NULL );
}
return p_new;
}
/**
* Initialize a vlc object
* Allocates and initializes a vlc object.
*
* This function allocates memory for a vlc object and initializes it. If
* i_type is not a known value such as VLC_OBJECT_LIBVLC, VLC_OBJECT_VOUT and
* so on, vlc_object_create will use its value for the object size.
* @param i_type known object type (all of them are negative integer values),
* or object byte size (always positive).
*
* @return the new object, or NULL on error.
*/
void * __vlc_object_create( vlc_object_t *p_this, int i_type )
{
......@@ -226,107 +334,10 @@ void * __vlc_object_create( vlc_object_t *p_this, int i_type )
break;
}
if( i_type == VLC_OBJECT_GLOBAL )
{
p_new = p_this;
}
else
{
p_new = malloc( i_size );
if( !p_new ) return NULL;
memset( p_new, 0, i_size );
}
p_new->i_object_type = i_type;
p_new->psz_object_type = psz_type;
p_new->psz_object_name = NULL;
p_new->b_die = VLC_FALSE;
p_new->b_error = VLC_FALSE;
p_new->b_dead = VLC_FALSE;
p_new->b_attached = VLC_FALSE;
p_new->b_force = VLC_FALSE;
p_new->psz_header = NULL;
p_new->i_flags = 0;
if( p_this->i_flags & OBJECT_FLAGS_NODBG )
p_new->i_flags |= OBJECT_FLAGS_NODBG;
if( p_this->i_flags & OBJECT_FLAGS_QUIET )
p_new->i_flags |= OBJECT_FLAGS_QUIET;
if( p_this->i_flags & OBJECT_FLAGS_NOINTERACT )
p_new->i_flags |= OBJECT_FLAGS_NOINTERACT;
p_new->i_vars = 0;
p_new->p_vars = (variable_t *)malloc( 16 * sizeof( variable_t ) );
if( !p_new->p_vars )
{
if( i_type != VLC_OBJECT_GLOBAL )
free( p_new );
return NULL;
}
if( i_type == VLC_OBJECT_GLOBAL )
{
/* If i_type is global, then p_new is actually p_libvlc_global */
p_new->p_libvlc_global = (libvlc_global_data_t*)p_new;
p_new->p_libvlc = NULL;
p_new->p_libvlc_global->i_counter = 0;
p_new->i_object_id = 0;
p_new->p_libvlc_global->i_objects = 1;
p_new->p_libvlc_global->pp_objects = malloc( sizeof(vlc_object_t *) );
p_new->p_libvlc_global->pp_objects[0] = p_new;
p_new->b_attached = VLC_TRUE;
}
else
{
p_new->p_libvlc_global = p_this->p_libvlc_global;
p_new->p_libvlc = ( i_type == VLC_OBJECT_LIBVLC ) ? (libvlc_int_t*)p_new
: p_this->p_libvlc;
vlc_mutex_lock( &structure_lock );
p_new->p_libvlc_global->i_counter++;
p_new->i_object_id = p_new->p_libvlc_global->i_counter;
/* Wooohaa! If *this* fails, we're in serious trouble! Anyway it's
* useless to try and recover anything if pp_objects gets smashed. */
TAB_APPEND( p_new->p_libvlc_global->i_objects,
p_new->p_libvlc_global->pp_objects,
p_new );
vlc_mutex_unlock( &structure_lock );
}
p_new->i_refcount = 0;
p_new->p_parent = NULL;
p_new->pp_children = NULL;
p_new->i_children = 0;
p_new->p_private = NULL;
/* Initialize mutexes and condvars */
vlc_mutex_init( p_new, &p_new->object_lock );
vlc_cond_init( p_new, &p_new->object_wait );
vlc_mutex_init( p_new, &p_new->var_lock );
if( i_type == VLC_OBJECT_GLOBAL )
{
vlc_mutex_init( p_new, &structure_lock );
var_Create( p_new, "list", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_new, "list", DumpCommand, NULL );
var_Create( p_new, "tree", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_new, "tree", DumpCommand, NULL );
}
return p_new;
return vlc_custom_create( p_this, i_size, i_type, psz_type );
}
/**
****************************************************************************
* Destroy a vlc object
......
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