static gboolean
gst_rpi_cam_src_event (GstBaseSrc * parent, GstEvent * event)
{
GstRpiCamSrc *src = GST_RPICAMSRC (parent);
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_DOWNSTREAM:
case GST_EVENT_CUSTOM_UPSTREAM:
if (gst_video_event_is_force_key_unit (event)) {
if (src->started) {
ret = raspi_capture_request_i_frame (src->capture_state);
} else {
ret = FALSE;
}
gst_event_unref (event);
} else {
ret = GST_BASE_SRC_CLASS (parent_class)->event (parent, event);
}
break;
default:
ret = GST_BASE_SRC_CLASS (parent_class)->event (parent, event);
break;
}
return ret;
}
static GstPadProbeReturn encoder_appsink_event_probe (GstPad *pad, GstPadProbeInfo *info, gpointer data)
{
GstEvent *event = gst_pad_probe_info_get_event (info);
Encoder *encoder = data;
GstClockTime timestamp, running_time, stream_time;
gboolean all_headers;
guint count;
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
GST_ERROR ("End of Stream of encoder %s", encoder->name);
*(encoder->output->eos) = TRUE;
return GST_PAD_PROBE_OK;
}
if (!gst_video_event_is_force_key_unit (event)) {
return GST_PAD_PROBE_OK;
}
/* force key unit event */
gst_video_event_parse_downstream_force_key_unit (event, ×tamp, &stream_time, &running_time, &all_headers, &count);
if (encoder->last_segment_duration != 0) {
encoder->last_running_time = timestamp;
}
return GST_PAD_PROBE_OK;
}
static gboolean
mpegtsmux_sink_event (GstPad * pad, GstEvent * event)
{
MpegTsMux *mux = GST_MPEG_TSMUX (gst_pad_get_parent (pad));
MpegTsPadData *ts_data;
gboolean res = TRUE;
gboolean forward = TRUE;
ts_data = (MpegTsPadData *) gst_pad_get_element_private (pad);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_DOWNSTREAM:
{
GstClockTime timestamp, stream_time, running_time;
gboolean all_headers;
guint count;
if (!gst_video_event_is_force_key_unit (event))
goto out;
forward = FALSE;
gst_video_event_parse_downstream_force_key_unit (event,
×tamp, &stream_time, &running_time, &all_headers, &count);
GST_INFO_OBJECT (mux, "have downstream force-key-unit event on pad %s, "
"seqnum %d, running-time %" GST_TIME_FORMAT " count %d",
gst_pad_get_name (pad), gst_event_get_seqnum (event),
GST_TIME_ARGS (running_time), count);
if (mux->force_key_unit_event != NULL) {
GST_INFO_OBJECT (mux, "skipping downstream force key unit event "
"as an upstream force key unit is already queued");
goto out;
}
if (!all_headers)
goto out;
mux->pending_key_unit_ts = running_time;
gst_event_replace (&mux->force_key_unit_event, event);
break;
}
default:
break;
}
out:
if (forward)
res = ts_data->eventfunc (pad, event);
gst_object_unref (mux);
return res;
}
static GstPadProbeReturn
control_duplicates (GstPad * pad, GstPadProbeInfo * info, gpointer data)
{
GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
if (gst_video_event_is_force_key_unit (event)) {
if (check_last_request_time (pad)) {
GST_TRACE_OBJECT (pad, "Sending keyframe request");
return GST_PAD_PROBE_OK;
} else {
GST_TRACE_OBJECT (pad, "Dropping keyframe request");
return GST_PAD_PROBE_DROP;
}
}
return GST_PAD_PROBE_OK;
}
static GstPadProbeReturn
gst_hls_sink_ghost_event_probe (GstPad * pad, GstPadProbeInfo * info,
gpointer data)
{
GstHlsSink *sink = GST_HLS_SINK_CAST (data);
GstEvent *event = gst_pad_probe_info_get_event (info);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
{
gst_event_copy_segment (event, &sink->segment);
break;
}
case GST_EVENT_FLUSH_STOP:
gst_segment_init (&sink->segment, GST_FORMAT_UNDEFINED);
break;
case GST_EVENT_CUSTOM_DOWNSTREAM:
{
GstClockTime timestamp;
GstClockTime running_time, stream_time;
gboolean all_headers;
guint count;
if (!gst_video_event_is_force_key_unit (event))
break;
gst_event_replace (&sink->force_key_unit_event, event);
gst_video_event_parse_downstream_force_key_unit (event,
×tamp, &stream_time, &running_time, &all_headers, &count);
GST_INFO_OBJECT (sink, "setting index %d", count);
sink->index = count;
break;
}
default:
break;
}
return GST_PAD_PROBE_OK;
}
static gboolean
gst_multi_file_sink_event (GstBaseSink * sink, GstEvent * event)
{
GstMultiFileSink *multifilesink;
gchar *filename;
multifilesink = GST_MULTI_FILE_SINK (sink);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_DOWNSTREAM:
{
GstClockTime timestamp, duration;
GstClockTime running_time, stream_time;
guint64 offset, offset_end;
gboolean all_headers;
guint count;
if (multifilesink->next_file != GST_MULTI_FILE_SINK_NEXT_KEY_UNIT_EVENT ||
!gst_video_event_is_force_key_unit (event))
goto out;
gst_video_event_parse_downstream_force_key_unit (event, ×tamp,
&stream_time, &running_time, &all_headers, &count);
if (multifilesink->force_key_unit_count != -1 &&
multifilesink->force_key_unit_count == count)
goto out;
multifilesink->force_key_unit_count = count;
if (multifilesink->file) {
duration = GST_CLOCK_TIME_NONE;
offset = offset_end = -1;
filename = g_strdup_printf (multifilesink->filename,
multifilesink->index);
gst_multi_file_sink_close_file (multifilesink, NULL);
gst_multi_file_sink_post_message_full (multifilesink, timestamp,
duration, offset, offset_end, running_time, stream_time, filename);
g_free (filename);
}
if (multifilesink->file == NULL) {
if (!gst_multi_file_sink_open_next_file (multifilesink))
goto stdio_write_error;
}
break;
}
case GST_EVENT_EOS:
if (multifilesink->aggregate_gops) {
GstBuffer *buf = gst_buffer_new ();
/* push key unit buffer to force writing out the pending GOP data */
GST_INFO_OBJECT (sink, "EOS, write pending GOP data");
GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
gst_multi_file_sink_render (sink, buf);
gst_buffer_unref (buf);
}
if (multifilesink->file) {
gchar *filename;
filename = g_strdup_printf (multifilesink->filename,
multifilesink->index);
gst_multi_file_sink_close_file (multifilesink, NULL);
gst_multi_file_sink_post_message_from_time (multifilesink,
GST_BASE_SINK (multifilesink)->segment.position, -1, filename);
g_free (filename);
}
break;
default:
break;
}
out:
return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
/* ERRORS */
stdio_write_error:
{
GST_ELEMENT_ERROR (multifilesink, RESOURCE, WRITE,
("Error while writing to file."), (NULL));
gst_event_unref (event);
return FALSE;
}
}
static gboolean
mpegtsmux_src_event (GstPad * pad, GstEvent * event)
{
MpegTsMux *mux = GST_MPEG_TSMUX (gst_pad_get_parent (pad));
gboolean res = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_UPSTREAM:
{
GstIterator *iter;
GstIteratorResult iter_ret;
GstPad *sinkpad;
GstClockTime running_time;
gboolean all_headers, done;
guint count;
if (!gst_video_event_is_force_key_unit (event))
break;
gst_video_event_parse_upstream_force_key_unit (event,
&running_time, &all_headers, &count);
GST_INFO_OBJECT (mux, "received upstream force-key-unit event, "
"seqnum %d running_time %" GST_TIME_FORMAT " all_headers %d count %d",
gst_event_get_seqnum (event), GST_TIME_ARGS (running_time),
all_headers, count);
if (!all_headers)
break;
mux->pending_key_unit_ts = running_time;
gst_event_replace (&mux->force_key_unit_event, event);
iter = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (mux));
done = FALSE;
while (!done) {
gboolean res = FALSE, tmp;
iter_ret = gst_iterator_next (iter, (gpointer *) & sinkpad);
switch (iter_ret) {
case GST_ITERATOR_DONE:
done = TRUE;
break;
case GST_ITERATOR_OK:
GST_INFO_OBJECT (mux, "forwarding to %s",
gst_pad_get_name (sinkpad));
tmp = gst_pad_push_event (sinkpad, gst_event_ref (event));
GST_INFO_OBJECT (mux, "result %d", tmp);
/* succeed if at least one pad succeeds */
res |= tmp;
gst_object_unref (sinkpad);
break;
case GST_ITERATOR_ERROR:
done = TRUE;
break;
case GST_ITERATOR_RESYNC:
break;
}
}
gst_event_unref (event);
break;
}
default:
res = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (mux);
return res;
}
