#include "vlc_codec.h"
#include "variables.h"
-#ifndef WIN32
-# include <unistd.h>
-#else
+
+#ifdef HAVE_SEARCH_H
+# include <search.h>
+#endif
+
+#ifdef __OS2__
+# include <sys/socket.h>
+# include <netinet/in.h>
+# include <unistd.h> // close(), write()
+#elif defined(WIN32)
# include <io.h>
# include <winsock2.h>
# include <ws2tcpip.h>
# define write( a, b, c ) send (a, b, c, 0)
# undef close
# define close( a ) closesocket (a)
+#else
+# include <vlc_fs.h>
+# include <unistd.h>
#endif
-#include <search.h>
#include <limits.h>
#include <assert.h>
static int DumpCommand( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
-static vlc_object_t * FindParent ( vlc_object_t *, int );
-static vlc_object_t * FindChild ( vlc_object_internals_t *, int );
-static vlc_object_t * FindParentName( vlc_object_t *, const char * );
-static vlc_object_t * FindChildName ( vlc_object_internals_t *, const char * );
+static vlc_object_t * FindName ( vlc_object_internals_t *, const char * );
static void PrintObject( vlc_object_internals_t *, const char * );
static void DumpStructure( vlc_object_internals_t *, unsigned, char * );
}
#undef vlc_custom_create
-void *vlc_custom_create( vlc_object_t *p_this, size_t i_size,
- int i_type, const char *psz_type )
+void *vlc_custom_create (vlc_object_t *parent, size_t length,
+ const char *typename)
{
- vlc_object_t *p_new;
- vlc_object_internals_t *p_priv;
-
/* NOTE:
* VLC objects are laid out as follow:
* - first the LibVLC-private per-object data,
* This function initializes the LibVLC and common data,
* and zeroes the rest.
*/
- p_priv = calloc( 1, sizeof( *p_priv ) + i_size );
- if( p_priv == NULL )
- return NULL;
+ assert (length >= sizeof (vlc_object_t));
- assert (i_size >= sizeof (vlc_object_t));
- p_new = (vlc_object_t *)(p_priv + 1);
-
- p_priv->i_object_type = i_type;
- p_new->psz_object_type = psz_type;
- p_priv->psz_name = NULL;
+ vlc_object_internals_t *priv = malloc (sizeof (*priv) + length);
+ if (unlikely(priv == NULL))
+ return NULL;
+ priv->psz_name = NULL;
+ priv->var_root = NULL;
+ vlc_mutex_init (&priv->var_lock);
+ vlc_cond_init (&priv->var_wait);
+ priv->pipes[0] = priv->pipes[1] = -1;
+ vlc_spin_init (&priv->ref_spin);
+ priv->i_refcount = 1;
+ priv->pf_destructor = NULL;
+ priv->prev = NULL;
+ priv->first = NULL;
- p_new->b_die = false;
- p_new->b_force = false;
+ vlc_object_t *obj = (vlc_object_t *)(priv + 1);
+ obj->psz_object_type = typename;
+ obj->psz_header = NULL;
+ obj->b_die = false;
+ obj->b_force = false;
+ memset (obj + 1, 0, length - sizeof (*obj)); /* type-specific stuff */
- p_new->psz_header = NULL;
+ if (likely(parent != NULL))
+ {
+ vlc_object_internals_t *papriv = vlc_internals (parent);
- if (p_this)
- p_new->i_flags = p_this->i_flags
- & (OBJECT_FLAGS_NODBG|OBJECT_FLAGS_QUIET|OBJECT_FLAGS_NOINTERACT);
+ obj->i_flags = parent->i_flags;
+ obj->p_libvlc = parent->p_libvlc;
- p_priv->var_root = NULL;
+ /* Attach the child to its parent (no lock needed) */
+ obj->p_parent = vlc_object_hold (parent);
- if( p_this == NULL )
- {
- libvlc_int_t *self = (libvlc_int_t*)p_new;
- p_new->p_libvlc = self;
- vlc_mutex_init (&(libvlc_priv (self)->structure_lock));
- p_this = p_new;
+ /* Attach the parent to its child (structure lock needed) */
+ libvlc_lock (obj->p_libvlc);
+ priv->next = papriv->first;
+ if (priv->next != NULL)
+ priv->next->prev = priv;
+ papriv->first = priv;
+ libvlc_unlock (obj->p_libvlc);
}
else
- p_new->p_libvlc = p_this->p_libvlc;
-
- vlc_spin_init( &p_priv->ref_spin );
- p_priv->i_refcount = 1;
- p_priv->pf_destructor = NULL;
- p_priv->b_thread = false;
- p_new->p_parent = NULL;
- p_priv->first = NULL;
-
- /* Initialize mutexes and condvars */
- vlc_mutex_init( &p_priv->var_lock );
- vlc_cond_init( &p_priv->var_wait );
- p_priv->pipes[0] = p_priv->pipes[1] = -1;
-
- if (p_new == VLC_OBJECT(p_new->p_libvlc))
- { /* TODO: should be in src/libvlc.c */
+ {
+ libvlc_int_t *self = (libvlc_int_t *)obj;
+
+ obj->i_flags = 0;
+ obj->p_libvlc = self;
+ obj->p_parent = NULL;
+ priv->next = NULL;
+ vlc_mutex_init (&(libvlc_priv (self)->structure_lock));
+
+ /* TODO: should be in src/libvlc.c */
int canc = vlc_savecancel ();
- var_Create( p_new, "tree", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
- var_AddCallback( p_new, "tree", DumpCommand, NULL );
- var_Create( p_new, "vars", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
- var_AddCallback( p_new, "vars", DumpCommand, NULL );
+ var_Create (obj, "tree", VLC_VAR_STRING | VLC_VAR_ISCOMMAND);
+ var_AddCallback (obj, "tree", DumpCommand, obj);
+ var_Create (obj, "vars", VLC_VAR_STRING | VLC_VAR_ISCOMMAND);
+ var_AddCallback (obj, "vars", DumpCommand, obj);
vlc_restorecancel (canc);
}
- return p_new;
+ return obj;
}
#undef vlc_object_create
*/
void *vlc_object_create( vlc_object_t *p_this, size_t i_size )
{
- return vlc_custom_create( p_this, i_size, VLC_OBJECT_GENERIC, "generic" );
+ return vlc_custom_create( p_this, i_size, "generic" );
}
#undef vlc_object_set_destructor
}
/**
- ****************************************************************************
- * Destroy a vlc object (Internal)
- *
- * This function destroys an object that has been previously allocated with
- * vlc_object_create. The object's refcount must be zero and it must not be
- * attached to other objects in any way.
+ * Destroys a VLC object once it has no more references.
*
* This function must be called with cancellation disabled (currently).
- *****************************************************************************/
+ */
static void vlc_object_destroy( vlc_object_t *p_this )
{
vlc_object_internals_t *p_priv = vlc_internals( p_this );
- /* Send a kill to the object's thread if applicable */
- vlc_object_kill( p_this );
-
/* Call the custom "subclass" destructor */
if( p_priv->pf_destructor )
p_priv->pf_destructor( p_this );
- /* Any thread must have been cleaned up at this point. */
- assert( !p_priv->b_thread );
+ if (unlikely(p_this == VLC_OBJECT(p_this->p_libvlc)))
+ {
+ /* TODO: should be in src/libvlc.c */
+ var_DelCallback (p_this, "tree", DumpCommand, p_this);
+ var_DelCallback (p_this, "vars", DumpCommand, p_this);
+ }
/* Destroy the associated variables. */
var_DestroyAll( p_this );
}
-#ifdef WIN32
+#if defined(WIN32) || defined(__OS2__)
/**
* select()-able pipes emulated using Winsock
*/
-static int pipe (int fd[2])
+# define vlc_pipe selectable_pipe
+static int selectable_pipe (int fd[2])
{
- SOCKADDR_IN addr;
+ struct sockaddr_in addr;
int addrlen = sizeof (addr);
- SOCKET l = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP), a,
- c = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP);
- if ((l == INVALID_SOCKET) || (c == INVALID_SOCKET))
+ int l = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP),
+ c = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (l == -1 || c == -1)
goto error;
memset (&addr, 0, sizeof (addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
- if (bind (l, (PSOCKADDR)&addr, sizeof (addr))
- || getsockname (l, (PSOCKADDR)&addr, &addrlen)
+ if (bind (l, (struct sockaddr *)&addr, sizeof (addr))
+ || getsockname (l, (struct sockaddr *)&addr, &addrlen)
|| listen (l, 1)
- || connect (c, (PSOCKADDR)&addr, addrlen))
+ || connect (c, (struct sockaddr *)&addr, addrlen))
goto error;
- a = accept (l, NULL, NULL);
- if (a == INVALID_SOCKET)
+ int a = accept (l, NULL, NULL);
+ if (a == -1)
goto error;
- closesocket (l);
+ close (l);
//shutdown (a, 0);
//shutdown (c, 1);
fd[0] = c;
return 0;
error:
- if (l != INVALID_SOCKET)
- closesocket (l);
- if (c != INVALID_SOCKET)
- closesocket (c);
+ if (l != -1)
+ close (l);
+ if (c != -1)
+ close (c);
return -1;
}
-#endif /* WIN32 */
+#endif /* WIN32 || __OS2__ */
static vlc_mutex_t pipe_lock = VLC_STATIC_MUTEX;
if (internals->pipes[0] == -1)
#endif
{
- if (pipe (internals->pipes))
+ if (vlc_pipe (internals->pipes))
internals->pipes[0] = internals->pipes[1] = -1;
}
vlc_object_internals_t *priv = vlc_internals( p_this );
int fd = -1;
- vlc_thread_cancel( p_this );
vlc_mutex_lock( &pipe_lock );
if( !p_this->b_die )
{
}
}
-#undef vlc_object_find
-/*****************************************************************************
- * find a typed object and increment its refcount
- *****************************************************************************
- * This function recursively looks for a given object type. i_mode can be one
- * of FIND_PARENT, FIND_CHILD or FIND_ANYWHERE.
- *****************************************************************************/
-void * vlc_object_find( vlc_object_t *p_this, int i_type, int i_mode )
-{
- vlc_object_t *p_found;
-
- /* If we are of the requested type ourselves, don't look further */
- if( vlc_internals (p_this)->i_object_type == i_type )
- {
- vlc_object_hold( p_this );
- return p_this;
- }
-
- /* Otherwise, recursively look for the object */
- if (i_mode == FIND_ANYWHERE)
- return vlc_object_find (VLC_OBJECT(p_this->p_libvlc), i_type, FIND_CHILD);
-
- switch (i_type)
- {
- case VLC_OBJECT_VOUT:
- case VLC_OBJECT_AOUT:
- break;
- case VLC_OBJECT_INPUT:
- /* input can only be accessed like this from children,
- * otherwise we could not promise that it is initialized */
- if (i_mode != FIND_PARENT)
- return NULL;
- break;
- default:
- return NULL;
- }
-
- libvlc_lock (p_this->p_libvlc);
- switch (i_mode)
- {
- case FIND_PARENT:
- p_found = FindParent (p_this, i_type);
- break;
- case FIND_CHILD:
- p_found = FindChild (vlc_internals (p_this), i_type);
- break;
- default:
- assert (0);
- }
- libvlc_unlock (p_this->p_libvlc);
- return p_found;
-}
-
-
-static int objnamecmp(const vlc_object_t *obj, const char *name)
-{
- char *objname = vlc_object_get_name(obj);
- if (objname == NULL)
- return INT_MIN;
-
- int ret = strcmp (objname, name);
- free (objname);
- return ret;
-}
-
#undef vlc_object_find_name
/**
* Finds a named object and increment its reference count.
*
* @param p_this object to search from
* @param psz_name name of the object to search for
- * @param i_mode search direction: FIND_PARENT, FIND_CHILD or FIND_ANYWHERE.
*
* @return a matching object (must be released by the caller),
* or NULL on error.
*/
-vlc_object_t *vlc_object_find_name( vlc_object_t *p_this,
- const char *psz_name, int i_mode )
+vlc_object_t *vlc_object_find_name( vlc_object_t *p_this, const char *psz_name )
{
vlc_object_t *p_found;
/* Reading psz_object_name from a separate inhibits thread-safety.
* Use a libvlc address variable instead for that sort of things! */
- msg_Warn( p_this, "%s(%s) is not safe!", __func__, psz_name );
- /* If have the requested name ourselves, don't look further */
- if( !objnamecmp(p_this, psz_name) )
- {
- vlc_object_hold( p_this );
- return p_this;
- }
-
- /* Otherwise, recursively look for the object */
- if (i_mode == FIND_ANYWHERE)
- return vlc_object_find_name (VLC_OBJECT(p_this->p_libvlc), psz_name,
- FIND_CHILD);
+ msg_Err( p_this, "%s(\"%s\") is not safe!", __func__, psz_name );
libvlc_lock (p_this->p_libvlc);
vlc_mutex_lock (&name_lock);
- switch (i_mode)
- {
- case FIND_PARENT:
- p_found = FindParentName (p_this, psz_name);
- break;
- case FIND_CHILD:
- p_found = FindChildName (vlc_internals (p_this), psz_name);
- break;
- default:
- assert (0);
- }
+ p_found = FindName (vlc_internals (p_this), psz_name);
vlc_mutex_unlock (&name_lock);
libvlc_unlock (p_this->p_libvlc);
return p_found;
}
#undef vlc_object_release
-/*****************************************************************************
- * Decrement an object refcount
- * And destroy the object if its refcount reach zero.
- *****************************************************************************/
+/**
+ * Drops a reference to an object (decrements the reference count).
+ * If the count reaches zero, the object is destroyed.
+ */
void vlc_object_release( vlc_object_t *p_this )
{
vlc_object_internals_t *internals = vlc_internals( p_this );
if( b_should_destroy )
{
- /* Detach from parent to protect against FIND_CHILDREN */
+ /* Detach from parent to protect against vlc_object_find_name() */
parent = p_this->p_parent;
if (likely(parent))
{
}
}
-#undef vlc_object_attach
-/**
- ****************************************************************************
- * attach object to a parent object
- *****************************************************************************
- * This function sets p_this as a child of p_parent, and p_parent as a parent
- * of p_this.
- *****************************************************************************/
-void vlc_object_attach( vlc_object_t *p_this, vlc_object_t *p_parent )
-{
- if( !p_this ) return;
-
- vlc_object_internals_t *pap = vlc_internals (p_parent);
- vlc_object_internals_t *priv = vlc_internals (p_this);
-
- priv->prev = NULL;
- vlc_object_hold (p_parent);
- libvlc_lock (p_this->p_libvlc);
-
- /* Attach the parent to its child */
- assert (p_this->p_parent == NULL);
- p_this->p_parent = p_parent;
-
- /* Attach the child to its parent */
- priv->next = pap->first;
- if (priv->next != NULL)
- priv->next->prev = priv;
- pap->first = priv;
- libvlc_unlock (p_this->p_libvlc);
-}
-
-
#undef vlc_list_children
/**
* Gets the list of children of an objects, and increment their reference
MYCASE( INTEGER, "integer" );
MYCASE( HOTKEY, "hotkey" );
MYCASE( STRING, "string" );
- MYCASE( MODULE, "module" );
- MYCASE( FILE, "file" );
- MYCASE( DIRECTORY, "directory" );
MYCASE( VARIABLE, "variable" );
MYCASE( FLOAT, "float" );
MYCASE( TIME, "time" );
MYCASE( COORDS, "coords" );
MYCASE( ADDRESS, "address" );
- MYCASE( MUTEX, "mutex" );
#undef MYCASE
}
printf( " *-o \"%s\" (%s", p_var->psz_name, psz_type );
switch( p_var->i_type & VLC_VAR_CLASS )
{
case VLC_VAR_VOID:
- case VLC_VAR_MUTEX:
break;
case VLC_VAR_BOOL:
printf( ": %s", p_var->val.b_bool ? "true" : "false" );
break;
case VLC_VAR_INTEGER:
- printf( ": %d", p_var->val.i_int );
+ printf( ": %"PRId64, p_var->val.i_int );
break;
case VLC_VAR_STRING:
printf( ": \"%s\"", p_var->val.psz_string );
static int DumpCommand( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
- (void)oldval; (void)p_data;
+ (void)oldval;
vlc_object_t *p_object = NULL;
if( *newval.psz_string )
{
/* try using the object's name to find it */
- p_object = vlc_object_find_name( p_this, newval.psz_string,
- FIND_ANYWHERE );
+ p_object = vlc_object_find_name( p_data, newval.psz_string );
if( !p_object )
- {
return VLC_ENOOBJ;
- }
}
libvlc_lock (p_this->p_libvlc);
/* Following functions are local */
-static vlc_object_t *FindParent (vlc_object_t *p_this, int i_type)
-{
- for (vlc_object_t *parent = p_this->p_parent;
- parent != NULL;
- parent = parent->p_parent)
- {
- if (vlc_internals (parent)->i_object_type == i_type)
- return vlc_object_hold (parent);
- }
- return NULL;
-}
-
-static vlc_object_t *FindParentName (vlc_object_t *p_this, const char *name)
-{
- for (vlc_object_t *parent = p_this->p_parent;
- parent != NULL;
- parent = parent->p_parent)
- {
- const char *objname = vlc_internals (parent)->psz_name;
- if (objname && !strcmp (objname, name))
- return vlc_object_hold (parent);
- }
- return NULL;
-}
-
-static vlc_object_t *FindChild (vlc_object_internals_t *priv, int i_type)
+static vlc_object_t *FindName (vlc_object_internals_t *priv, const char *name)
{
- for (priv = priv->first; priv != NULL; priv = priv->next)
- {
- if (priv->i_object_type == i_type)
- return vlc_object_hold (vlc_externals (priv));
+ if (priv->psz_name != NULL && !strcmp (priv->psz_name, name))
+ return vlc_object_hold (vlc_externals (priv));
- vlc_object_t *found = FindChild (priv, i_type);
- if (found != NULL)
- return found;
- }
- return NULL;
-}
-
-static vlc_object_t *FindChildName (vlc_object_internals_t *priv,
- const char *name)
-{
for (priv = priv->first; priv != NULL; priv = priv->next)
{
- if (priv->psz_name && !strcmp (priv->psz_name, name))
- return vlc_object_hold (vlc_externals (priv));
-
- vlc_object_t *found = FindChildName (priv, name);
+ vlc_object_t *found = FindName (priv, name);
if (found != NULL)
return found;
}
static void PrintObject( vlc_object_internals_t *priv,
const char *psz_prefix )
{
- char psz_refcount[20], psz_thread[30], psz_name[50], psz_parent[20];
+ char psz_refcount[20], psz_name[50], psz_parent[20];
int canc = vlc_savecancel ();
memset( &psz_name, 0, sizeof(psz_name) );
if( priv->i_refcount > 0 )
snprintf( psz_refcount, 19, ", %u refs", priv->i_refcount );
- psz_thread[0] = '\0';
- if( priv->b_thread )
- snprintf( psz_thread, 29, " (thread %lu)",
- (unsigned long)priv->thread_id );
-
psz_parent[0] = '\0';
/* FIXME: need structure lock!!! */
if( vlc_externals(priv)->p_parent )
snprintf( psz_parent, 19, ", parent %p",
vlc_externals(priv)->p_parent );
- printf( " %so %p %s%s%s%s%s\n", psz_prefix,
+ printf( " %so %p %s%s%s%s\n", psz_prefix,
vlc_externals(priv), vlc_externals(priv)->psz_object_type,
- psz_name, psz_thread, psz_refcount, psz_parent );
+ psz_name, psz_refcount, psz_parent );
vlc_restorecancel (canc);
}
projects / vlc / blobdiff