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Made dynamic pads work for sinkpads with no padtemplate

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Original commit message from CVS:
Made dynamic pads work for sinkpads with no padtemplate
This commit is contained in:
Wim Taymans 2002-04-14 11:06:20 +00:00
parent 4b70fed5e0
commit 52e2ba6b1e
1 changed files with 41 additions and 10 deletions
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49
gst/gstparse.c
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@ -37,7 +37,8 @@ struct _gst_parse_delayed_pad
typedef struct typedef struct
{ {
gchar *srcpadname; gchar *srcpadname;
GstPad *target; GstPad *target_pad;
GstElement *target_element;
GstElement *pipeline; GstElement *pipeline;
} }
dynamic_connection_t; dynamic_connection_t;
@ -56,12 +57,27 @@ G_GNUC_UNUSED static void
dynamic_connect (GstElement * element, GstPad * newpad, gpointer data) dynamic_connect (GstElement * element, GstPad * newpad, gpointer data)
{ {
dynamic_connection_t *dc = (dynamic_connection_t *) data; dynamic_connection_t *dc = (dynamic_connection_t *) data;
gboolean warn = TRUE;
if (!strcmp (gst_pad_get_name (newpad), dc->srcpadname)) { /* do we know the exact srcpadname? */
if (dc->srcpadname) {
/* see if this is the one */
if (strcmp (gst_pad_get_name (newpad), dc->srcpadname)) {
return;
}
}
/* try to find a target pad if we don't know it yet */
if (!dc->target_pad) {
dc->target_pad = gst_element_get_compatible_pad (dc->target_element, newpad);
warn = FALSE;
}
if (!GST_PAD_IS_CONNECTED (newpad)) {
gst_element_set_state (dc->pipeline, GST_STATE_PAUSED); gst_element_set_state (dc->pipeline, GST_STATE_PAUSED);
if (!gst_pad_connect (newpad, dc->target)) if (!gst_pad_connect (newpad, dc->target_pad) && warn) {
g_warning ("could not connect %s:%s to %s:%s", GST_DEBUG_PAD_NAME (newpad), g_warning ("could not connect %s:%s to %s:%s", GST_DEBUG_PAD_NAME (newpad),
GST_DEBUG_PAD_NAME (dc->target)); GST_DEBUG_PAD_NAME (dc->target_pad));
}
gst_element_set_state (dc->pipeline, GST_STATE_PLAYING); gst_element_set_state (dc->pipeline, GST_STATE_PLAYING);
} }
} }
@ -249,7 +265,8 @@ make_connections (graph_t *g, GError **error)
pt1->presence == GST_PAD_SOMETIMES) { pt1->presence == GST_PAD_SOMETIMES) {
dc = g_new0 (dynamic_connection_t, 1); dc = g_new0 (dynamic_connection_t, 1);
dc->srcpadname = (gchar*)a->data; dc->srcpadname = (gchar*)a->data;
dc->target = p2; dc->target_pad = p2;
dc->target_element = sink;
dc->pipeline = g->bin; dc->pipeline = g->bin;
GST_DEBUG (GST_CAT_PIPELINE, "setting up dynamic connection %s:%s and %s:%s", GST_DEBUG (GST_CAT_PIPELINE, "setting up dynamic connection %s:%s and %s:%s",
@ -277,7 +294,8 @@ make_connections (graph_t *g, GError **error)
// g_print ("got the pad\n"); // g_print ("got the pad\n");
dc = g_new0 (dynamic_connection_t, 1); dc = g_new0 (dynamic_connection_t, 1);
dc->srcpadname = (gchar*)a->data; dc->srcpadname = (gchar*)a->data;
dc->target = p2; dc->target_pad = p2;
dc->target_element = NULL;
dc->pipeline = g->bin; dc->pipeline = g->bin;
GST_DEBUG (GST_CAT_PIPELINE, "setting up dynamic connection %s:%s and %s:%s", GST_DEBUG (GST_CAT_PIPELINE, "setting up dynamic connection %s:%s and %s:%s",
@ -285,18 +303,30 @@ make_connections (graph_t *g, GError **error)
(gchar*)a->data, GST_DEBUG_PAD_NAME (p2)); (gchar*)a->data, GST_DEBUG_PAD_NAME (p2));
g_signal_connect (G_OBJECT (src), "new_pad", G_CALLBACK (dynamic_connect), dc); g_signal_connect (G_OBJECT (src), "new_pad", G_CALLBACK (dynamic_connect), dc);
goto next;
} else { } else {
/* both pt1 and pt2 are sometimes templates. sheesh. */ /* both pt1 and pt2 are sometimes templates. sheesh. */
goto both_templates_have_sometimes_presence; goto both_templates_have_sometimes_presence;
} }
} else { } else {
goto could_not_get_compatible_to_a; /* if the target pad has no padtemplate we will figure out a target
* pad later on */
dc = g_new0 (dynamic_connection_t, 1);
dc->srcpadname = NULL;
dc->target_pad = NULL;
dc->target_element = sink;
dc->pipeline = g->bin;
GST_DEBUG (GST_CAT_PIPELINE, "setting up dynamic connection %s:%s, and some pad in %s",
GST_OBJECT_NAME (GST_OBJECT (src)),
(gchar*)a->data, GST_OBJECT_NAME (sink));
g_signal_connect (G_OBJECT (src), "new_pad", G_CALLBACK (dynamic_connect), dc);
goto next;
} }
} else { } else {
if (!(p2 = gst_element_get_compatible_pad (sink, p1))) {
goto could_not_get_compatible_to_a; goto could_not_get_compatible_to_a;
} }
}
} else { } else {
goto could_not_get_pad_a; goto could_not_get_pad_a;
} }
@ -323,6 +353,7 @@ make_connections (graph_t *g, GError **error)
goto could_not_connect_elements; goto could_not_connect_elements;
} }
} }
next:
l = g_list_next (l); l = g_list_next (l);
} }