static gboolean
gst_rtp_ssrc_demux_src_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
GstRtpSsrcDemux *demux;
const GstStructure *s;
demux = GST_RTP_SSRC_DEMUX (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_UPSTREAM:
case GST_EVENT_CUSTOM_BOTH:
case GST_EVENT_CUSTOM_BOTH_OOB:
s = gst_event_get_structure (event);
if (s && !gst_structure_has_field (s, "ssrc")) {
GstRtpSsrcDemuxPad *dpad = find_demux_pad_for_pad (demux, pad);
if (dpad) {
GstStructure *ws;
event = gst_event_make_writable (event);
ws = gst_event_writable_structure (event);
gst_structure_set (ws, "ssrc", G_TYPE_UINT, dpad->ssrc, NULL);
}
}
break;
default:
break;
}
return gst_pad_event_default (pad, parent, event);
}
static gboolean
gst_ffmpegscale_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstFFMpegScale *scale;
GstStructure *structure;
gdouble pointer;
gboolean res;
scale = GST_FFMPEGSCALE (trans);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
event = gst_event_make_writable (event);
structure = gst_event_writable_structure (event);
if (gst_structure_get_double (structure, "pointer_x", &pointer)) {
gst_structure_set (structure,
"pointer_x", G_TYPE_DOUBLE,
pointer * scale->in_info.width / scale->out_info.width, NULL);
}
if (gst_structure_get_double (structure, "pointer_y", &pointer)) {
gst_structure_set (structure,
"pointer_y", G_TYPE_DOUBLE,
pointer * scale->in_info.height / scale->out_info.height, NULL);
}
break;
default:
break;
}
res = GST_BASE_TRANSFORM_CLASS (parent_class)->src_event (trans, event);
return res;
}
static gboolean
gst_rtp_pt_demux_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstRtpPtDemux *demux;
const GstStructure *s;
demux = GST_RTP_PT_DEMUX (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_UPSTREAM:
case GST_EVENT_CUSTOM_BOTH:
case GST_EVENT_CUSTOM_BOTH_OOB:
s = gst_event_get_structure (event);
if (s && !gst_structure_has_field (s, "payload")) {
GSList *walk;
GST_OBJECT_LOCK (demux);
for (walk = demux->srcpads; walk; walk = g_slist_next (walk)) {
GstRtpPtDemuxPad *dpad = (GstRtpPtDemuxPad *) walk->data;
if (dpad->pad == pad) {
GstStructure *ws;
event =
GST_EVENT_CAST (gst_mini_object_make_writable
(GST_MINI_OBJECT_CAST (event)));
ws = gst_event_writable_structure (event);
gst_structure_set (ws, "payload", G_TYPE_UINT, dpad->pt, NULL);
break;
}
}
GST_OBJECT_UNLOCK (demux);
}
break;
default:
break;
}
return gst_pad_event_default (pad, parent, event);
}
static gboolean
gst_rtp_ulpfec_dec_handle_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
GstRtpUlpFecDec *self = GST_RTP_ULPFEC_DEC (parent);
gboolean forward = TRUE;
GST_LOG_OBJECT (self, "Received event %" GST_PTR_FORMAT, event);
if (GST_FLOW_OK == self->chain_return_val &&
GST_EVENT_CUSTOM_DOWNSTREAM == GST_EVENT_TYPE (event) &&
gst_event_has_name (event, "GstRTPPacketLost")) {
guint seqnum;
GstClockTime timestamp, duration;
GstStructure *s;
event = gst_event_make_writable (event);
s = gst_event_writable_structure (event);
g_assert (self->have_caps_ssrc);
g_assert (self->storage);
if (!gst_structure_get (s,
"seqnum", G_TYPE_UINT, &seqnum,
"timestamp", G_TYPE_UINT64, ×tamp,
"duration", G_TYPE_UINT64, &duration, NULL))
g_assert_not_reached ();
forward =
gst_rtp_ulpfec_dec_handle_packet_loss (self, seqnum, timestamp,
duration);
if (forward) {
gst_structure_remove_field (s, "seqnum");
gst_structure_set (s, "might-have-been-fec", G_TYPE_BOOLEAN, TRUE, NULL);
++self->packets_unrecovered;
} else {
++self->packets_recovered;
}
GST_DEBUG_OBJECT (self, "Unrecovered / Recovered: %lu / %lu",
(gulong) self->packets_unrecovered, (gulong) self->packets_recovered);
} else if (GST_EVENT_CAPS == GST_EVENT_TYPE (event)) {
GstCaps *caps;
gboolean have_caps_pt = FALSE;
gboolean have_caps_ssrc = FALSE;
guint caps_ssrc = 0;
gint caps_pt = 0;
gst_event_parse_caps (event, &caps);
have_caps_ssrc =
gst_structure_get_uint (gst_caps_get_structure (caps, 0), "ssrc",
&caps_ssrc);
have_caps_pt =
gst_structure_get_int (gst_caps_get_structure (caps, 0), "payload",
&caps_pt);
if (self->have_caps_ssrc != have_caps_ssrc || self->caps_ssrc != caps_ssrc)
GST_DEBUG_OBJECT (self, "SSRC changed %u, 0x%08x -> %u, 0x%08x",
self->have_caps_ssrc, self->caps_ssrc, have_caps_ssrc, caps_ssrc);
if (self->have_caps_pt != have_caps_pt || self->caps_pt != caps_pt)
GST_DEBUG_OBJECT (self, "PT changed %u, %u -> %u, %u",
self->have_caps_pt, self->caps_pt, have_caps_pt, caps_pt);
self->have_caps_ssrc = have_caps_ssrc;
self->have_caps_pt = have_caps_pt;
self->caps_ssrc = caps_ssrc;
self->caps_pt = caps_pt;
}
if (forward)
return gst_pad_push_event (self->srcpad, event);
gst_event_unref (event);
return TRUE;
}
