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some doc and aesthetic fixes make the filter actually do something

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Original commit message from CVS:
* some doc and aesthetic fixes
* make the filter actually do something
This commit is contained in:
Andy Wingo 2002-03-03 02:08:17 +00:00
parent d9f53fc55a
commit ca375e93a0
1 changed files with 29 additions and 16 deletions
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45
gst/gstpad.c
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@ -619,7 +619,7 @@ gst_pad_can_connect_filtered (GstPad *srcpad, GstPad *sinkpad, GstCaps *filterca
num_decoupled++;
if (realsrc->sched != realsink->sched && num_decoupled != 1) {
g_warning ("connecting pads with different scheds requires exactly one decoupled element (queue)\n");
g_warning ("connecting pads with different scheds requires exactly one decoupled element (queue)");
return FALSE;
}
}
@ -1153,14 +1153,13 @@ gst_pad_try_reconnect_filtered_func (GstRealPad *srcpad, GstRealPad *sinkpad, Gs
intersection = gst_caps_intersect (srccaps, sinkcaps);
/* if we have no intersection but one of the caps was not NULL.. */
if (!intersection && (srccaps || sinkcaps )) {
if (!intersection && (srccaps || sinkcaps)) {
/* the intersection is NULL but the pad caps were not both NULL,
* this means they have no common format */
GST_INFO (GST_CAT_PADS, "pads %s:%s and %s:%s have no common type",
GST_DEBUG_PAD_NAME (realsrc), GST_DEBUG_PAD_NAME (realsink));
return FALSE;
}
else {
} else if (intersection) {
GST_INFO (GST_CAT_PADS, "pads %s:%s and %s:%s intersected to %s caps",
GST_DEBUG_PAD_NAME (realsrc), GST_DEBUG_PAD_NAME (realsink),
((intersection && GST_CAPS_IS_FIXED (intersection)) ? "fixed" : "variable"));
@ -1187,6 +1186,8 @@ gst_pad_try_reconnect_filtered_func (GstRealPad *srcpad, GstRealPad *sinkpad, Gs
GST_DEBUG (GST_CAT_CAPS, "setting filter for connection to:\n");
gst_caps_debug (intersection, "filter for connection");
/* both the app filter and the filter, while stored on both peer pads, are the
equal to the same thing on both */
GST_RPAD_FILTER (realsrc) = intersection;
GST_RPAD_FILTER (realsink) = intersection;
@ -1205,9 +1206,9 @@ gst_pad_try_reconnect_filtered_func (GstRealPad *srcpad, GstRealPad *sinkpad, Gs
gboolean
gst_pad_perform_negotiate (GstPad *srcpad, GstPad *sinkpad)
{
GstCaps *intersection;
GstCaps *intersection, *filtered_intersection;
GstRealPad *realsrc, *realsink;
GstCaps *srccaps, *sinkcaps;
GstCaps *srccaps, *sinkcaps, *filter;
g_return_val_if_fail (srcpad != NULL, FALSE);
g_return_val_if_fail (sinkpad != NULL, FALSE);
@ -1218,14 +1219,26 @@ gst_pad_perform_negotiate (GstPad *srcpad, GstPad *sinkpad)
g_return_val_if_fail (GST_RPAD_PEER (realsrc) != NULL, FALSE);
g_return_val_if_fail (GST_RPAD_PEER (realsink) == realsrc, FALSE);
filter = GST_RPAD_APPFILTER (realsrc);
if (filter) {
GST_INFO (GST_CAT_PADS, "dumping filter for connection %s:%s-%s:%s",
GST_DEBUG_PAD_NAME (realsrc), GST_DEBUG_PAD_NAME (realsink));
gst_caps_debug (filter, "connection filter caps");
}
/* calculate the new caps here */
srccaps = gst_pad_get_caps (GST_PAD (realsrc));
GST_INFO (GST_CAT_PADS, "dumping caps of pad %s:%s", GST_DEBUG_PAD_NAME (realsrc));
gst_caps_debug (srccaps, "src caps, awaiting negotiation");
gst_caps_debug (srccaps, "src caps, awaiting negotiation, after applying filter");
sinkcaps = gst_pad_get_caps (GST_PAD (realsink));
GST_INFO (GST_CAT_PADS, "dumping caps of pad %s:%s", GST_DEBUG_PAD_NAME (realsink));
gst_caps_debug (sinkcaps, "sink caps, awaiting negotiation");
gst_caps_debug (sinkcaps, "sink caps, awaiting negotiation, after applying filter");
intersection = gst_caps_intersect (srccaps, sinkcaps);
filtered_intersection = gst_caps_intersect (intersection, filter);
if (filtered_intersection) {
gst_caps_unref (intersection);
intersection = filtered_intersection;
}
/* no negotiation is performed if the pads have filtercaps */
if (intersection) {
@ -1469,10 +1482,10 @@ gst_pad_get_peer (GstPad *pad)
* gst_pad_get_allowed_caps:
* @pad: the pad to get the allowed caps from
*
* Gst the caps of the allowed media types that can
* Get the caps of the allowed media types that can
* go through this pad.
*
* Returns: the allowed caps
* Returns: the allowed caps, newly allocated
*/
GstCaps*
gst_pad_get_allowed_caps (GstPad *pad)
@ -1486,13 +1499,13 @@ gst_pad_get_allowed_caps (GstPad *pad)
}
/**
* gst_pad_get_allowed_caps:
* @pad: the pad to get the allowed caps from
* gst_pad_recac_allowed_caps:
* @pad: the pad to recaculate the caps of
*
* Gst the caps of the allowed media types that can
* go through this pad.
* Attempt to reconnect the pad to its peer through its filter, set with gst_pad_[re]connect_filtered.
* FIXME: no one calls this function. why is it here?
*
* Returns: the allowed caps
* Returns: TRUE on success, FALSE otherwise.
*/
gboolean
gst_pad_recalc_allowed_caps (GstPad *pad)
@ -1516,7 +1529,7 @@ gst_pad_recalc_allowed_caps (GstPad *pad)
* @pad: the pad to get the bufferpool from
*
* Get the bufferpool of the peer pad of the given
* pad
* pad.
*
* Returns: The GstBufferPool or NULL.
*/