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basetransform: Use new reconfigure flag on the pads instead of the reconfigure event

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This commit is contained in:
Sebastian Dröge 2011-05-03 14:11:34 +02:00
parent 5a7ec99214
commit 1cc95da945
1 changed files with 49 additions and 22 deletions
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71
libs/gst/base/gstbasetransform.c
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@ -346,7 +346,9 @@ static GstCaps *gst_base_transform_getcaps (GstPad * pad);
static gboolean gst_base_transform_acceptcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_base_transform_acceptcaps_default (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps);
static gboolean gst_base_transform_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_base_transform_setcaps_pad (GstPad * pad, GstCaps * caps);
static gboolean gst_base_transform_setcaps (GstBaseTransform * trans,
GstPad * pad, GstCaps * caps, gboolean reconfigure);
static gboolean gst_base_transform_query (GstPad * pad, GstQuery * query);
static const GstQueryType *gst_base_transform_query_type (GstPad * pad);
@ -416,7 +418,7 @@ gst_base_transform_init (GstBaseTransform * trans,
gst_pad_set_acceptcaps_function (trans->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_transform_acceptcaps));
gst_pad_set_setcaps_function (trans->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_transform_setcaps));
GST_DEBUG_FUNCPTR (gst_base_transform_setcaps_pad));
gst_pad_set_event_function (trans->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_transform_sink_event));
gst_pad_set_chain_function (trans->sinkpad,
@ -817,7 +819,7 @@ no_subset:
*/
static GstCaps *
gst_base_transform_find_transform (GstBaseTransform * trans, GstPad * pad,
GstCaps * caps)
GstCaps * caps, gboolean reconfigure)
{
GstBaseTransformClass *klass;
GstPad *otherpad, *otherpeer;
@ -864,7 +866,7 @@ gst_base_transform_find_transform (GstBaseTransform * trans, GstPad * pad,
/* FIXME. maybe the caps is not fixed because it has multiple structures of
* fixed caps */
is_fixed = gst_caps_is_fixed (othercaps);
if (!is_fixed) {
if (!is_fixed && !reconfigure) {
GST_DEBUG_OBJECT (trans,
"transform returned non fixed %" GST_PTR_FORMAT, othercaps);
@ -908,7 +910,12 @@ gst_base_transform_find_transform (GstBaseTransform * trans, GstPad * pad,
GST_DEBUG_OBJECT (trans, "othercaps now %" GST_PTR_FORMAT, othercaps);
peercaps = gst_pad_get_caps (otherpeer);
intersect = gst_caps_intersect (peercaps, othercaps);
if (!reconfigure)
intersect = gst_caps_intersect (peercaps, othercaps);
else
intersect =
gst_caps_intersect_full (peercaps, othercaps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (peercaps);
gst_caps_unref (othercaps);
othercaps = intersect;
@ -1072,7 +1079,7 @@ gst_base_transform_acceptcaps_default (GstBaseTransform * trans,
/* find best possible caps for the other pad as a way to see if we can
* transform this caps. */
othercaps = gst_base_transform_find_transform (trans, pad, caps);
othercaps = gst_base_transform_find_transform (trans, pad, caps, FALSE);
if (!othercaps || gst_caps_is_empty (othercaps))
goto no_transform_possible;
@ -1127,9 +1134,24 @@ gst_base_transform_acceptcaps (GstPad * pad, GstCaps * caps)
* because we never set caps starting from the srcpad.
*/
static gboolean
gst_base_transform_setcaps (GstPad * pad, GstCaps * caps)
gst_base_transform_setcaps_pad (GstPad * pad, GstCaps * caps)
{
GstBaseTransform *trans;
gboolean ret;
trans = GST_BASE_TRANSFORM (gst_pad_get_parent (pad));
if (G_UNLIKELY (!trans))
return FALSE;
ret = gst_base_transform_setcaps (trans, pad, caps, FALSE);
gst_object_unref (trans);
return ret;
}
static gboolean
gst_base_transform_setcaps (GstBaseTransform * trans, GstPad * pad,
GstCaps * caps, gboolean reconfigure)
{
GstPad *otherpad, *otherpeer;
GstCaps *othercaps = NULL;
gboolean ret = TRUE;
@ -1148,7 +1170,7 @@ gst_base_transform_setcaps (GstPad * pad, GstCaps * caps)
GST_DEBUG_OBJECT (pad, "have new caps %p %" GST_PTR_FORMAT, caps, caps);
/* find best possible caps for the other pad */
othercaps = gst_base_transform_find_transform (trans, pad, caps);
othercaps = gst_base_transform_find_transform (trans, pad, caps, reconfigure);
if (!othercaps || gst_caps_is_empty (othercaps))
goto no_transform_possible;
@ -1195,8 +1217,6 @@ done:
trans->negotiated = ret;
gst_object_unref (trans);
return ret;
/* ERRORS */
@ -1284,7 +1304,8 @@ compute_upstream_suggestion (GstBaseTransform * trans, gsize expsize,
/* we cannot convert the current buffer but we might be able to suggest a
* new format upstream, try to find what the best format is. */
othercaps = gst_base_transform_find_transform (trans, trans->srcpad, caps);
othercaps =
gst_base_transform_find_transform (trans, trans->srcpad, caps, TRUE);
if (!othercaps) {
GST_DEBUG_OBJECT (trans, "incompatible caps, ignoring");
@ -1460,7 +1481,8 @@ gst_base_transform_prepare_output_buffer (GstBaseTransform * trans,
/* we got a suggested caps but we can't transform to it. See if there is
* another downstream format that we can transform to */
othercaps =
gst_base_transform_find_transform (trans, trans->sinkpad, incaps);
gst_base_transform_find_transform (trans, trans->sinkpad, incaps,
TRUE);
if (othercaps && !gst_caps_is_empty (othercaps)) {
GST_DEBUG_OBJECT (trans, "we found target caps %" GST_PTR_FORMAT,
@ -1844,10 +1866,6 @@ gst_base_transform_src_eventfunc (GstBaseTransform * trans, GstEvent * event)
gst_base_transform_update_qos (trans, proportion, diff, timestamp);
break;
}
case GST_EVENT_RENEGOTIATE:
gst_pad_set_caps (GST_BASE_TRANSFORM_SINK_PAD (trans), NULL);
gst_base_transform_reconfigure (trans);
break;
default:
break;
}
@ -1868,7 +1886,7 @@ gst_base_transform_handle_buffer (GstBaseTransform * trans, GstBuffer * inbuf,
{
GstBaseTransformClass *bclass;
GstFlowReturn ret = GST_FLOW_OK;
gboolean want_in_place, reconfigure;
gboolean want_in_place;
GstClockTime running_time;
GstClockTime timestamp;
GstCaps *incaps;
@ -1877,17 +1895,26 @@ gst_base_transform_handle_buffer (GstBaseTransform * trans, GstBuffer * inbuf,
bclass = GST_BASE_TRANSFORM_GET_CLASS (trans);
if (G_LIKELY ((incaps = GST_BUFFER_CAPS (inbuf)))) {
GST_OBJECT_LOCK (trans);
reconfigure = trans->priv->reconfigure;
gboolean reconfigure;
GST_OBJECT_LOCK (trans->sinkpad);
reconfigure = GST_PAD_NEEDS_RECONFIGURE (trans->sinkpad)
|| trans->priv->reconfigure;
GST_OBJECT_FLAG_UNSET (trans->sinkpad, GST_PAD_NEED_RECONFIGURE);
trans->priv->reconfigure = FALSE;
GST_OBJECT_UNLOCK (trans);
GST_OBJECT_UNLOCK (trans->sinkpad);
if (G_UNLIKELY (reconfigure)) {
GST_DEBUG_OBJECT (trans, "we had a pending reconfigure");
GST_OBJECT_LOCK (trans);
gst_caps_replace (&trans->priv->sink_alloc, NULL);
GST_OBJECT_UNLOCK (trans);
/* if we need to reconfigure we pretend a buffer with new caps arrived. This
* will reconfigure the transform with the new output format. We can only
* do this if the buffer actually has caps. */
if (!gst_base_transform_setcaps (trans->sinkpad, incaps))
if (!gst_base_transform_setcaps (trans, trans->sinkpad, incaps, TRUE))
goto not_negotiated;
}
}
@ -2586,7 +2613,7 @@ gst_base_transform_suggest (GstBaseTransform * trans, GstCaps * caps,
/* push the renegotiate event */
if (!gst_pad_push_event (GST_BASE_TRANSFORM_SINK_PAD (trans),
gst_event_new_renegotiate ()))
gst_event_new_reconfigure ()))
GST_DEBUG_OBJECT (trans, "Renegotiate event wasn't handled");
}