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- Fix PAD_IS_USABLE on ghostpads

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Original commit message from CVS:
- Fix PAD_IS_USABLE on ghostpads
- fix typos in gstindex.h flags
- conditional lock in trashstack asm
This commit is contained in:
Wim Taymans 2002-12-31 14:51:54 +00:00
parent 457ae12e9f
commit d315eee490
4 changed files with 18 additions and 17 deletions
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15
gst/gstelement.c
View file

@ -145,8 +145,6 @@ gst_element_class_init (GstElementClass *klass)
klass->elementfactory = NULL;
klass->padtemplates = NULL;
klass->numpadtemplates = 0;
klass->send_event = NULL;
klass->query = NULL;
}
static void
@ -1770,22 +1768,19 @@ gst_element_get_random_pad (GstElement *element, GstPadDirection dir)
GST_DEBUG_PAD_NAME (pad));
if (GST_PAD_DIRECTION (pad) == dir) {
/*
* FIXME: for some reason a ghosted pad doesn't get it's flag
* set, which makes this check fail for them.
if (GST_PAD_IS_USABLE (pad)) {
*/
return pad;
/*
}
else
else {
GST_DEBUG (GST_CAT_ELEMENT_PADS, "pad %s:%s is not usable",
GST_DEBUG_PAD_NAME (pad));
*/
}
}
else
else {
GST_DEBUG (GST_CAT_ELEMENT_PADS, "pad %s:%s is in wrong direction",
GST_DEBUG_PAD_NAME (pad));
}
pads = g_list_next (pads);
}
return NULL;

6
gst/gstindex.h
View file

@ -74,11 +74,11 @@ struct _GstIndexAssociation {
};
typedef enum {
GST_ACCOCIATION_FLAG_NONE = 0,
GST_ACCOCIATION_FLAG_KEY_UNIT = (1 << 0),
GST_ASSOCIATION_FLAG_NONE = 0,
GST_ASSOCIATION_FLAG_KEY_UNIT = (1 << 0),
/* new flags should start here */
GST_ACCOCIATION_FLAG_LAST = (1 << 8),
GST_ASSOCIATION_FLAG_LAST = (1 << 8),
} GstAssocFlags;
#define GST_INDEX_FORMAT_FORMAT(entry) ((entry)->data.format.format)

2
gst/gstpad.h
View file

@ -277,7 +277,7 @@ struct _GstGhostPadClass {
/* Some check functions (unused?) */
#define GST_PAD_IS_CONNECTED(pad) (GST_PAD_PEER(pad) != NULL)
#define GST_PAD_IS_ACTIVE(pad) (!GST_FLAG_IS_SET(pad, GST_PAD_DISABLED))
#define GST_PAD_IS_ACTIVE(pad) (!GST_FLAG_IS_SET(GST_PAD_REALIZE(pad), GST_PAD_DISABLED))
#define GST_PAD_IS_USABLE(pad) (GST_PAD_IS_CONNECTED (pad) && \
GST_PAD_IS_ACTIVE(pad) && GST_PAD_IS_ACTIVE(GST_PAD_PEER (pad)))
#define GST_PAD_CAN_PULL(pad) (GST_IS_REAL_PAD(pad) && GST_REAL_PAD(pad)->gethandler != NULL)

12
gst/gsttrashstack.h
View file

@ -50,6 +50,12 @@ GST_INLINE_FUNC gpointer gst_trash_stack_pop (GstTrashStack *stack);
#if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2
#ifdef GST_CONFIG_NO_SMP
#define SMP_LOCK ""
#else
#define SMP_LOCK "lock ; "
#endif
/*
* intel ia32 optimized lockfree implementations
*/
@ -71,7 +77,7 @@ gst_trash_stack_push (GstTrashStack *stack, gpointer mem)
__asm__ __volatile__ (
"1: \n\t"
" movl %2, (%1); \n\t" /* mem->next == stack->head */
" lock; cmpxchg %1, %0; \n\t" /* if head unchanged, move mem into it */
SMP_LOCK "cmpxchg %1, %0; \n\t" /* if head unchanged, move mem into it */
" jnz 1b; \n" /* head changed, retry */
:
: "m" (*stack),
@ -98,7 +104,7 @@ gst_trash_stack_pop (GstTrashStack *stack)
" movl (%%eax), %%ebx; \n\t" /* take value pointed to by head (head->next) */
" movl %%edx, %%ecx; \n\t" /* take counter */
" incl %%ecx; \n\t" /* and increment */
" lock; cmpxchg8b %1; \n\t" /* if eax:edx == *stack, move ebx:ecx to *stack,
SMP_LOCK "cmpxchg8b %1; \n\t" /* if eax:edx == *stack, move ebx:ecx to *stack,
* else *stack is moved into eax:edx again... */
" jnz 10b; \n\t" /* ... and we retry */
"20: \n"
@ -178,7 +184,7 @@ gst_trash_stack_free (GstTrashStack *stack)
g_free (stack);
}
#endif /* defined (G_CAN_INLINE) || defined (__GST_TRASH_STACK_C__)*/
#endif /* defined (GST_CAN_INLINE) || defined (__GST_TRASH_STACK_C__)*/
G_END_DECLS