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_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);
}
/* Probe on the output of a parser chain (the last
* src pad) */
static GstPadProbeReturn
parse_chain_output_probe (GstPad * pad, GstPadProbeInfo * info,
DecodebinInputStream * input)
{
GstPadProbeReturn ret = GST_PAD_PROBE_OK;
if (GST_IS_EVENT (GST_PAD_PROBE_INFO_DATA (info))) {
GstEvent *ev = GST_PAD_PROBE_INFO_EVENT (info);
GST_DEBUG_OBJECT (pad, "Got event %s", GST_EVENT_TYPE_NAME (ev));
switch (GST_EVENT_TYPE (ev)) {
case GST_EVENT_STREAM_START:
{
GstStream *stream = NULL;
guint group_id = G_MAXUINT32;
gst_event_parse_group_id (ev, &group_id);
GST_DEBUG_OBJECT (pad, "Got stream-start, group_id:%d, input %p",
group_id, input->input);
if (set_input_group_id (input->input, &group_id)) {
ev = gst_event_make_writable (ev);
gst_event_set_group_id (ev, group_id);
GST_PAD_PROBE_INFO_DATA (info) = ev;
}
input->saw_eos = FALSE;
gst_event_parse_stream (ev, &stream);
/* FIXME : Would we ever end up with a stream already set on the input ?? */
if (stream) {
if (input->active_stream != stream) {
MultiQueueSlot *slot;
if (input->active_stream)
gst_object_unref (input->active_stream);
input->active_stream = stream;
/* We have the beginning of a stream, get a multiqueue slot and link to it */
g_mutex_lock (&input->dbin->selection_lock);
slot = get_slot_for_input (input->dbin, input);
link_input_to_slot (input, slot);
g_mutex_unlock (&input->dbin->selection_lock);
} else
gst_object_unref (stream);
}
}
break;
case GST_EVENT_CAPS:
{
GstCaps *caps = NULL;
gst_event_parse_caps (ev, &caps);
GST_DEBUG_OBJECT (pad, "caps %" GST_PTR_FORMAT, caps);
if (caps && input->active_stream)
gst_stream_set_caps (input->active_stream, caps);
}
break;
case GST_EVENT_EOS:
input->saw_eos = TRUE;
if (all_inputs_are_eos (input->dbin)) {
GST_DEBUG_OBJECT (pad, "real input pad, marking as EOS");
check_all_streams_for_eos (input->dbin);
} else {
GstPad *peer = gst_pad_get_peer (input->srcpad);
if (peer) {
/* Send custom-eos event to multiqueue slot */
GstStructure *s;
GstEvent *event;
GST_DEBUG_OBJECT (pad,
"Got EOS end of input stream, post custom-eos");
s = gst_structure_new_empty ("decodebin3-custom-eos");
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
gst_pad_send_event (peer, event);
gst_object_unref (peer);
} else {
GST_FIXME_OBJECT (pad, "No peer, what should we do ?");
}
}
ret = GST_PAD_PROBE_DROP;
break;
case GST_EVENT_FLUSH_STOP:
GST_DEBUG_OBJECT (pad, "Clear saw_eos flag");
input->saw_eos = FALSE;
default:
break;
}
} else if (GST_IS_QUERY (GST_PAD_PROBE_INFO_DATA (info))) {
GstQuery *q = GST_PAD_PROBE_INFO_QUERY (info);
GST_DEBUG_OBJECT (pad, "Seeing query %s", GST_QUERY_TYPE_NAME (q));
/* If we have a parser, we want to reply to the caps query */
/* FIXME: Set a flag when the input stream is created for
* streams where we shouldn't reply to these queries */
if (GST_QUERY_TYPE (q) == GST_QUERY_CAPS
&& (info->type & GST_PAD_PROBE_TYPE_PULL)) {
GstCaps *filter = NULL;
GstCaps *allowed;
gst_query_parse_caps (q, &filter);
allowed = get_parser_caps_filter (input->dbin, filter);
GST_DEBUG_OBJECT (pad,
"Intercepting caps query, setting %" GST_PTR_FORMAT, allowed);
gst_query_set_caps_result (q, allowed);
gst_caps_unref (allowed);
ret = GST_PAD_PROBE_HANDLED;
} else if (GST_QUERY_TYPE (q) == GST_QUERY_ACCEPT_CAPS) {
GstCaps *prop = NULL;
gst_query_parse_accept_caps (q, &prop);
/* Fast check against target caps */
if (gst_caps_can_intersect (prop, input->dbin->caps))
gst_query_set_accept_caps_result (q, TRUE);
else {
gboolean accepted = check_parser_caps_filter (input->dbin, prop);
/* check against caps filter */
gst_query_set_accept_caps_result (q, accepted);
GST_DEBUG_OBJECT (pad, "ACCEPT_CAPS query, returning %d", accepted);
}
ret = GST_PAD_PROBE_HANDLED;
}
}
return ret;
}
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;
}
