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rtpbasepayload: Implement reconfigure event & renegotiation without subclass

Browse source 
Implement the reconfigure event, also do correct downstream caps negotiation
if the subclass doesn't implementy set_caps.

https://bugzilla.gnome.org/show_bug.cgi?id=725361
This commit is contained in:
Olivier Crête 2014-05-02 19:09:59 -04:00 committed by Sebastian Dröge
parent 42e3e22969
commit bdf8ce286d
2 changed files with 43 additions and 8 deletions
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47
gst-libs/gst/rtp/gstrtpbasepayload.c
View file

@ -56,6 +56,8 @@ struct _GstRTPBasePayloadPrivate
gboolean delay_segment;
GstEvent *pending_segment;
GstCaps *subclass_srccaps;
};
/* RTPBasePayload signals and args */
@ -131,6 +133,9 @@ static void gst_rtp_base_payload_get_property (GObject * object, guint prop_id,
static GstStateChangeReturn gst_rtp_base_payload_change_state (GstElement *
element, GstStateChange transition);
static gboolean gst_rtp_base_payload_negotiate (GstRTPBasePayload * payload);
static GstElementClass *parent_class = NULL;
GType
@ -394,6 +399,8 @@ gst_rtp_base_payload_finalize (GObject * object)
g_free (rtpbasepayload->encoding_name);
rtpbasepayload->encoding_name = NULL;
gst_caps_replace (&rtpbasepayload->priv->subclass_srccaps, NULL);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@ -444,7 +451,7 @@ gst_rtp_base_payload_sink_event_default (GstRTPBasePayload * rtpbasepayload,
if (rtpbasepayload_class->set_caps)
res = rtpbasepayload_class->set_caps (rtpbasepayload, caps);
else
res = TRUE;
res = gst_rtp_base_payload_negotiate (rtpbasepayload);
rtpbasepayload->priv->negotiated = res;
@ -640,6 +647,9 @@ gst_rtp_base_payload_chain (GstPad * pad, GstObject * parent,
if (!rtpbasepayload->priv->negotiated)
goto not_negotiated;
if (gst_pad_check_reconfigure (GST_RTP_BASE_PAYLOAD_SRCPAD (rtpbasepayload)))
gst_rtp_base_payload_negotiate (rtpbasepayload);
ret = rtpbasepayload_class->handle_buffer (rtpbasepayload, buffer);
return ret;
@ -731,8 +741,7 @@ gboolean
gst_rtp_base_payload_set_outcaps (GstRTPBasePayload * payload,
const gchar * fieldname, ...)
{
GstCaps *srccaps, *peercaps;
gboolean res;
GstCaps *srccaps;
/* fill in the defaults, their properties cannot be negotiated. */
srccaps = gst_caps_new_simple ("application/x-rtp",
@ -753,13 +762,39 @@ gst_rtp_base_payload_set_outcaps (GstRTPBasePayload * payload,
GST_DEBUG_OBJECT (payload, "custom added: %" GST_PTR_FORMAT, srccaps);
}
gst_caps_replace (&payload->priv->subclass_srccaps, srccaps);
gst_caps_unref (srccaps);
return gst_rtp_base_payload_negotiate (payload);
}
static gboolean
gst_rtp_base_payload_negotiate (GstRTPBasePayload * payload)
{
GstCaps *peercaps, *filter, *srccaps;
gboolean res;
payload->priv->caps_max_ptime = DEFAULT_MAX_PTIME;
payload->ptime = 0;
/* the peer caps can override some of the defaults */
peercaps = gst_pad_peer_query_caps (payload->srcpad, srccaps);
gst_pad_check_reconfigure (payload->srcpad);
filter = gst_pad_get_pad_template_caps (payload->srcpad);
if (payload->priv->subclass_srccaps) {
GstCaps *tmp = gst_caps_intersect (payload->priv->subclass_srccaps,
filter);
gst_caps_unref (filter);
filter = tmp;
}
peercaps = gst_pad_peer_query_caps (payload->srcpad, filter);
gst_caps_unref (filter);
if (peercaps == NULL) {
/* no peer caps, just add the other properties */
srccaps = gst_caps_copy (payload->priv->subclass_srccaps);
gst_caps_set_simple (srccaps,
"payload", G_TYPE_INT, GST_RTP_BASE_PAYLOAD_PT (payload),
"ssrc", G_TYPE_UINT, payload->current_ssrc,
@ -777,7 +812,6 @@ gst_rtp_base_payload_set_outcaps (GstRTPBasePayload * payload,
/* peer provides caps we can use to fixate. They are already intersected
* with our srccaps, just make them writable */
temp = gst_caps_make_writable (peercaps);
gst_caps_unref (srccaps);
if (gst_caps_is_empty (temp)) {
gst_caps_unref (temp);
@ -1328,6 +1362,7 @@ gst_rtp_base_payload_change_state (GstElement * element,
g_atomic_int_set (&rtpbasepayload->priv->notified_first_timestamp, 1);
priv->base_offset = GST_BUFFER_OFFSET_NONE;
priv->negotiated = FALSE;
gst_caps_replace (&rtpbasepayload->priv->subclass_srccaps, NULL);
break;
default:
break;

4
tests/check/libs/rtpbasepayload.c
View file

@ -69,7 +69,7 @@ static GstStaticPadTemplate gst_rtp_dummy_pay_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
GST_STATIC_CAPS ("application/x-rtp"));
static void
gst_rtp_dummy_pay_class_init (GstRtpDummyPayClass * klass)
@ -1006,7 +1006,7 @@ GST_START_TEST (rtp_base_payload_reconfigure_test)
validate_buffer (1, "pts", 1 * GST_SECOND, NULL);
validate_events_received (3);
validate_events_received (4);
validate_normal_start_events (0);