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gst/gsttag.c: Add a tag merge func for pointers. The header was there all along, but the function wasn't. (guile-gstr...

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Original commit message from CVS:
2004-07-14  Andy Wingo  <wingo@pobox.com>

* gst/gsttag.c: Add a tag merge func for pointers. The header was
there all along, but the function wasn't. (guile-gstreamer's build
system uses the address of the function -- I wasn't actually
trying to use this.)

2004-07-13  Andy Wingo  <wingo@pobox.com>

* gst/gstpad.c (gst_pad_try_set_caps): Naive link functions (such
as gst_pad_proxy_pad_link) just link to every other pad when they
are called. In the case where the graph has cycles, this will mean
that a call to try_set_caps will recurse. Allow this recursion
and return OK, while we wait for the first try_set_caps to give a
proper return value.
(gst_pad_link_call_link_functions): Since this function is the
only one to set the NEGOTIATING flag on a pad, if the flag is set
it means that the link functions have indirectly recursed. If this
happens, error out to avoid infinite recursion and an eventual
SEGV.
(gst_real_pad_class_init): Remove a crufty GtkObject comment.
(gst_pad_proxy_getcaps): Intersect the result with the template
caps to ensure that the return value is valid.

2004-07-11  Andy Wingo  <wingo@pobox.com>

* gst/gstdata.c (gst_data_is_writable): s/>=/>/. If there is only
one refcount, the calling function is the owner of the buffer.
This commit is contained in:
Andy Wingo 2004-07-14 15:28:51 +00:00
parent 99c3c397ca
commit d6443170cf
6 changed files with 75 additions and 34 deletions
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30
ChangeLog
View file

@ -1,3 +1,32 @@
2004-07-14 Andy Wingo <wingo@pobox.com>
* gst/gsttag.c: Add a tag merge func for pointers. The header was
there all along, but the function wasn't. (guile-gstreamer's build
system uses the address of the function -- I wasn't actually
trying to use this.)
2004-07-14 Andy Wingo <wingo@pobox.com>
* gst/gstpad.c (gst_pad_try_set_caps): Naive link functions (such
as gst_pad_proxy_pad_link) just link to every other pad when they
are called. In the case where the graph has cycles, this will mean
that a call to try_set_caps will recurse. Allow this recursion
and return OK, while we wait for the first try_set_caps to give a
proper return value.
(gst_pad_link_call_link_functions): Since this function is the
only one to set the NEGOTIATING flag on a pad, if the flag is set
it means that the link functions have indirectly recursed. If this
happens, error out to avoid infinite recursion and an eventual
SEGV.
(gst_real_pad_class_init): Remove a crufty GtkObject comment.
(gst_pad_proxy_getcaps): Intersect the result with the template
caps to ensure that the return value is valid.
2004-07-14 Andy Wingo <wingo@pobox.com>
* gst/gstdata.c (gst_data_is_writable): s/>=/>/. If there is only
one refcount, the calling function is the owner of the buffer.
2004-07-14 Wim Taymans <wim@fluendo.com>
* gst/schedulers/gstoptimalscheduler.c: (group_dec_link),
@ -128,6 +157,7 @@
* testsuite/clock/signedness.c: (main):
make sure it never will again
>>>>>>> 1.669
2004-07-11 Andy Wingo <wingo@pobox.com>
* gst/gstbin.c (gst_bin_add_func): If we're adding an element

2
gst/gstdata.c
View file

@ -128,7 +128,7 @@ gst_data_is_writable (GstData * data)
refcount = gst_atomic_int_read (&data->refcount);
if (refcount >= 1)
if (refcount > 1)
return FALSE;
if (GST_DATA_FLAG_IS_SET (data, GST_DATA_READONLY))
return FALSE;

73
gst/gstpad.c
View file

@ -230,8 +230,6 @@ gst_real_pad_class_init (GstRealPadClass * klass)
gst_marshal_BOXED__BOXED, GST_TYPE_CAPS, 1,
GST_TYPE_CAPS | G_SIGNAL_TYPE_STATIC_SCOPE);
/* gtk_object_add_arg_type ("GstRealPad::active", G_TYPE_BOOLEAN, */
/* GTK_ARG_READWRITE, REAL_ARG_ACTIVE); */
g_object_class_install_property (G_OBJECT_CLASS (klass), REAL_ARG_ACTIVE,
g_param_spec_boolean ("active", "Active", "Whether the pad is active.",
TRUE, G_PARAM_READWRITE));
@ -1255,26 +1253,28 @@ gst_pad_link_fixate (GstPadLink * link)
static GstPadLinkReturn
gst_pad_link_call_link_functions (GstPadLink * link)
{
gboolean negotiating;
GstPadLinkReturn res;
GstPadLinkReturn res = GST_PAD_LINK_OK;
/* Detect recursion. */
if (GST_PAD_IS_NEGOTIATING (link->srcpad) ||
GST_PAD_IS_NEGOTIATING (link->sinkpad)) {
GST_ERROR ("The link functions have recursed, please file a bug!");
return GST_PAD_LINK_REFUSED;
}
/* Both of the pads are in negotiation, so we set the NEGOTIATING flag on both
* of them now to avoid recursion from either pad. */
GST_FLAG_SET (link->srcpad, GST_PAD_NEGOTIATING);
GST_FLAG_SET (link->sinkpad, GST_PAD_NEGOTIATING);
/* If this doesn't run, the status is left to the default OK value. */
if (link->srcnotify && GST_RPAD_LINKFUNC (link->srcpad)) {
GST_DEBUG ("calling link function on pad %s:%s",
GST_DEBUG_PAD_NAME (link->srcpad));
negotiating = GST_FLAG_IS_SET (link->srcpad, GST_PAD_NEGOTIATING);
/* set the NEGOTIATING flag if not already done */
if (!negotiating)
GST_FLAG_SET (link->srcpad, GST_PAD_NEGOTIATING);
/* call the link function */
res = GST_RPAD_LINKFUNC (link->srcpad) (GST_PAD (link->srcpad), link->caps);
/* unset again after negotiating only if we set it */
if (!negotiating)
GST_FLAG_UNSET (link->srcpad, GST_PAD_NEGOTIATING);
GST_DEBUG ("got reply %d from link function on pad %s:%s",
res, GST_DEBUG_PAD_NAME (link->srcpad));
@ -1282,28 +1282,18 @@ gst_pad_link_call_link_functions (GstPadLink * link)
GST_CAT_INFO (GST_CAT_CAPS,
"pad %s:%s doesn't accept caps %" GST_PTR_FORMAT,
GST_DEBUG_PAD_NAME (link->srcpad), link->caps);
return res;
}
}
if (link->sinknotify && GST_RPAD_LINKFUNC (link->sinkpad)) {
if (GST_PAD_LINK_SUCCESSFUL (res) &&
link->sinknotify && GST_RPAD_LINKFUNC (link->sinkpad)) {
GST_DEBUG ("calling link function on pad %s:%s",
GST_DEBUG_PAD_NAME (link->sinkpad));
negotiating = GST_FLAG_IS_SET (link->sinkpad, GST_PAD_NEGOTIATING);
/* set the NEGOTIATING flag if not already done */
if (!negotiating)
GST_FLAG_SET (link->sinkpad, GST_PAD_NEGOTIATING);
/* call the link function */
res = GST_RPAD_LINKFUNC (link->sinkpad) (GST_PAD (link->sinkpad),
link->caps);
/* unset again after negotiating only if we set it */
if (!negotiating)
GST_FLAG_UNSET (link->sinkpad, GST_PAD_NEGOTIATING);
GST_DEBUG ("got reply %d from link function on pad %s:%s",
res, GST_DEBUG_PAD_NAME (link->sinkpad));
@ -1311,11 +1301,12 @@ gst_pad_link_call_link_functions (GstPadLink * link)
GST_CAT_INFO (GST_CAT_CAPS,
"pad %s:%s doesn't accept caps %" GST_PTR_FORMAT,
GST_DEBUG_PAD_NAME (link->sinkpad), link->caps);
return res;
}
}
return GST_PAD_LINK_OK;
GST_FLAG_UNSET (link->srcpad, GST_PAD_NEGOTIATING);
GST_FLAG_UNSET (link->sinkpad, GST_PAD_NEGOTIATING);
return res;
}
static GstPadLinkReturn
@ -1483,7 +1474,13 @@ gst_pad_try_set_caps (GstPad * pad, const GstCaps * caps)
GstPadLinkReturn ret;
g_return_val_if_fail (GST_IS_REAL_PAD (pad), GST_PAD_LINK_REFUSED);
g_return_val_if_fail (!GST_PAD_IS_NEGOTIATING (pad), GST_PAD_LINK_REFUSED);
GST_LOG_OBJECT (pad, "Trying to set %" GST_PTR_FORMAT, caps);
if (GST_PAD_IS_NEGOTIATING (pad)) {
GST_DEBUG_OBJECT (pad, "Detected a recursion, just returning OK");
return GST_PAD_LINK_OK;
}
/* setting non-fixed caps on a pad is not allowed */
if (!gst_caps_is_fixed (caps)) {
@ -2316,7 +2313,7 @@ gst_pad_proxy_getcaps (GstPad * pad)
{
GstElement *element;
const GList *pads;
GstCaps *caps;
GstCaps *caps, *intersected;
g_return_val_if_fail (GST_IS_PAD (pad), NULL);
@ -2343,7 +2340,9 @@ gst_pad_proxy_getcaps (GstPad * pad)
pads = g_list_next (pads);
}
return caps;
intersected = gst_caps_intersect (caps, gst_pad_get_pad_template_caps (pad));
gst_caps_free (caps);
return intersected;
}
/**
@ -2618,11 +2617,19 @@ gst_pad_get_caps (GstPad * pad)
GST_CAT_DEBUG (GST_CAT_CAPS, "get pad caps of %s:%s (%p)",
GST_DEBUG_PAD_NAME (realpad), realpad);
if (GST_RPAD_GETCAPSFUNC (realpad)) {
if (GST_PAD_IS_DISPATCHING (realpad))
GST_CAT_DEBUG (GST_CAT_CAPS,
"pad %s:%s is already dispatching -- looking for a template",
GST_DEBUG_PAD_NAME (realpad));
if (GST_RPAD_GETCAPSFUNC (realpad) && !GST_PAD_IS_DISPATCHING (realpad)) {
GstCaps *caps;
GST_CAT_DEBUG (GST_CAT_CAPS, "using pad getcaps function");
GST_CAT_DEBUG (GST_CAT_CAPS, "dispatching to pad getcaps function");
GST_FLAG_SET (realpad, GST_PAD_DISPATCHING);
caps = GST_RPAD_GETCAPSFUNC (realpad) (GST_PAD (realpad));
GST_FLAG_UNSET (realpad, GST_PAD_DISPATCHING);
if (caps == NULL) {
g_critical ("pad %s:%s returned NULL caps from getcaps function\n",

2
gst/gstpad.h
View file

@ -140,6 +140,7 @@ typedef enum {
typedef enum {
GST_PAD_DISABLED = GST_OBJECT_FLAG_LAST,
GST_PAD_NEGOTIATING,
GST_PAD_DISPATCHING,
GST_PAD_FLAG_LAST = GST_OBJECT_FLAG_LAST + 4
} GstPadFlags;
@ -280,6 +281,7 @@ struct _GstGhostPadClass {
#define GST_PAD_IS_LINKED(pad) (GST_PAD_PEER(pad) != NULL)
#define GST_PAD_IS_ACTIVE(pad) (!GST_FLAG_IS_SET(GST_PAD_REALIZE(pad), GST_PAD_DISABLED))
#define GST_PAD_IS_NEGOTIATING(pad) (GST_FLAG_IS_SET (pad, GST_PAD_NEGOTIATING))
#define GST_PAD_IS_DISPATCHING(pad) (GST_FLAG_IS_SET (pad, GST_PAD_DISPATCHING))
#define GST_PAD_IS_USABLE(pad) (GST_PAD_IS_LINKED (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)

1
gst/gsttag.c
View file

@ -970,6 +970,7 @@ TAG_MERGE_FUNCS (int64, gint64)
TAG_MERGE_FUNCS (uint64, guint64)
TAG_MERGE_FUNCS (float, gfloat)
TAG_MERGE_FUNCS (double, gdouble)
TAG_MERGE_FUNCS (pointer, gpointer)
#undef COPY_FUNC
#define COPY_FUNC g_strdup
TAG_MERGE_FUNCS (string, gchar *)

1
gst/gsttaglist.c
View file

@ -970,6 +970,7 @@ TAG_MERGE_FUNCS (int64, gint64)
TAG_MERGE_FUNCS (uint64, guint64)
TAG_MERGE_FUNCS (float, gfloat)
TAG_MERGE_FUNCS (double, gdouble)
TAG_MERGE_FUNCS (pointer, gpointer)
#undef COPY_FUNC
#define COPY_FUNC g_strdup
TAG_MERGE_FUNCS (string, gchar *)