static gboolean
gst_span_plc_event_sink (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstSpanPlc *plc = GST_SPAN_PLC (parent);
GST_DEBUG_OBJECT (plc, "received event %s", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
gst_span_plc_setcaps_sink (plc, caps);
break;
}
case GST_EVENT_GAP:
{
GstClockTime timestamp;
GstClockTime duration;
gst_event_parse_gap (event, ×tamp, &duration);
gst_span_plc_send_fillin (plc, timestamp, duration);
gst_event_unref (event);
return TRUE;
}
case GST_EVENT_FLUSH_STOP:
gst_span_plc_flush (plc, TRUE);
break;
default:
break;
}
return gst_pad_push_event (plc->srcpad, event);
}
static GstPadProbeReturn
dvdbin_dump_timing_info (GstPad * opad,
GstPadProbeInfo * info, gpointer userdata)
{
if (GST_PAD_PROBE_INFO_TYPE (info) & (GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM |
GST_PAD_PROBE_TYPE_EVENT_FLUSH)) {
GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
const GstSegment *seg;
gst_event_parse_segment (event, &seg);
g_print ("%s:%s segment: rate %g format %d, start: %"
GST_TIME_FORMAT ", stop: %" GST_TIME_FORMAT ", time: %"
GST_TIME_FORMAT " base: %" GST_TIME_FORMAT "\n",
GST_DEBUG_PAD_NAME (opad),
seg->rate, seg->format, GST_TIME_ARGS (seg->start),
GST_TIME_ARGS (seg->stop), GST_TIME_ARGS (seg->time),
GST_TIME_ARGS (seg->base));
} else if (GST_EVENT_TYPE (event) == GST_EVENT_GAP) {
GstClockTime ts, dur, end;
gst_event_parse_gap (event, &ts, &dur);
end = ts;
if (ts != GST_CLOCK_TIME_NONE && dur != GST_CLOCK_TIME_NONE)
end += dur;
g_print ("%s:%s Gap TS: %" GST_TIME_FORMAT " dur %" GST_TIME_FORMAT
" (to %" GST_TIME_FORMAT ")\n", GST_DEBUG_PAD_NAME (opad),
GST_TIME_ARGS (ts), GST_TIME_ARGS (dur), GST_TIME_ARGS (end));
} else if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP) {
g_print ("%s:%s FLUSHED\n", GST_DEBUG_PAD_NAME (opad));
}
}
if (GST_PAD_PROBE_INFO_TYPE (info) & GST_PAD_PROBE_TYPE_BUFFER) {
GstBuffer *buf = GST_PAD_PROBE_INFO_BUFFER (info);
g_print ("%s:%s Buffer PTS %" GST_TIME_FORMAT " duration %" GST_TIME_FORMAT
"\n", GST_DEBUG_PAD_NAME (opad), GST_TIME_ARGS (GST_BUFFER_PTS (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
}
return GST_PAD_PROBE_OK;
}
static gboolean
gst_dvd_spu_video_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstDVDSpu *dvdspu = (GstDVDSpu *) parent;
SpuState *state = &dvdspu->spu_state;
gboolean res = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_dvd_spu_video_set_caps (pad, caps);
if (res)
res = gst_pad_push_event (dvdspu->srcpad, event);
else
gst_event_unref (event);
break;
}
case GST_EVENT_CUSTOM_DOWNSTREAM:
case GST_EVENT_CUSTOM_DOWNSTREAM_OOB:
{
gboolean in_still;
if (gst_video_event_parse_still_frame (event, &in_still)) {
GstBuffer *to_push = NULL;
/* Forward the event before handling */
res = gst_pad_event_default (pad, parent, event);
GST_DEBUG_OBJECT (dvdspu,
"Still frame event on video pad: in-still = %d", in_still);
DVD_SPU_LOCK (dvdspu);
if (in_still) {
state->flags |= SPU_STATE_STILL_FRAME;
/* Entering still. Advance the SPU to make sure the state is
* up to date */
gst_dvd_spu_check_still_updates (dvdspu);
/* And re-draw the still frame to make sure it appears on
* screen, otherwise the last frame might have been discarded
* by QoS */
gst_dvd_spu_redraw_still (dvdspu, TRUE);
to_push = dvdspu->pending_frame;
dvdspu->pending_frame = NULL;
} else {
state->flags &= ~(SPU_STATE_STILL_FRAME);
}
DVD_SPU_UNLOCK (dvdspu);
if (to_push)
gst_pad_push (dvdspu->srcpad, to_push);
} else {
GST_DEBUG_OBJECT (dvdspu,
"Custom event %" GST_PTR_FORMAT " on video pad", event);
res = gst_pad_event_default (pad, parent, event);
}
break;
}
case GST_EVENT_SEGMENT:
{
GstSegment seg;
gst_event_copy_segment (event, &seg);
if (seg.format != GST_FORMAT_TIME)
return FALSE;
/* Only print updates if they have an end time (don't print start_time
* updates */
GST_DEBUG_OBJECT (dvdspu, "video pad Segment: %" GST_SEGMENT_FORMAT,
&seg);
DVD_SPU_LOCK (dvdspu);
if (seg.start > dvdspu->video_seg.position) {
update_video_to_position (dvdspu, seg.start);
}
dvdspu->video_seg = seg;
DVD_SPU_UNLOCK (dvdspu);
res = gst_pad_event_default (pad, parent, event);
break;
}
case GST_EVENT_GAP:
{
GstClockTime timestamp, duration;
gst_event_parse_gap (event, ×tamp, &duration);
if (GST_CLOCK_TIME_IS_VALID (duration))
timestamp += duration;
DVD_SPU_LOCK (dvdspu);
GST_LOG_OBJECT (dvdspu, "Received GAP. Advancing to %" GST_TIME_FORMAT,
GST_TIME_ARGS (timestamp));
update_video_to_position (dvdspu, timestamp);
DVD_SPU_UNLOCK (dvdspu);
gst_event_unref (event);
break;
}
case GST_EVENT_FLUSH_START:
res = gst_pad_event_default (pad, parent, event);
goto done;
case GST_EVENT_FLUSH_STOP:
res = gst_pad_event_default (pad, parent, event);
DVD_SPU_LOCK (dvdspu);
gst_segment_init (&dvdspu->video_seg, GST_FORMAT_UNDEFINED);
gst_buffer_replace (&dvdspu->ref_frame, NULL);
gst_buffer_replace (&dvdspu->pending_frame, NULL);
DVD_SPU_UNLOCK (dvdspu);
goto done;
default:
res = gst_pad_event_default (pad, parent, event);
break;
}
done:
return res;
#if 0
error:
gst_event_unref (event);
return FALSE;
#endif
}
static gboolean
gst_dvd_spu_subpic_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstDVDSpu *dvdspu = (GstDVDSpu *) parent;
gboolean res = TRUE;
/* Some events on the subpicture sink pad just get ignored, like
* FLUSH_START */
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_dvd_spu_subpic_set_caps (pad, caps);
gst_event_unref (event);
break;
}
case GST_EVENT_CUSTOM_DOWNSTREAM:
case GST_EVENT_CUSTOM_DOWNSTREAM_STICKY:
case GST_EVENT_CUSTOM_DOWNSTREAM_OOB:
{
const GstStructure *structure = gst_event_get_structure (event);
gboolean need_push;
if (!gst_structure_has_name (structure, "application/x-gst-dvd")) {
res = gst_pad_event_default (pad, parent, event);
break;
}
DVD_SPU_LOCK (dvdspu);
if (GST_EVENT_IS_SERIALIZED (event)) {
SpuPacket *spu_packet = g_new0 (SpuPacket, 1);
GST_DEBUG_OBJECT (dvdspu,
"Enqueueing DVD event on subpicture pad for later");
spu_packet->event = event;
g_queue_push_tail (dvdspu->pending_spus, spu_packet);
} else {
gst_dvd_spu_handle_dvd_event (dvdspu, event);
}
/* If the handle_dvd_event generated a pending frame, we
* need to synchronise with the video pad's stream lock and push it.
* This requires some dancing to preserve locking order and handle
* flushes correctly */
need_push = (dvdspu->pending_frame != NULL);
DVD_SPU_UNLOCK (dvdspu);
if (need_push) {
GstBuffer *to_push = NULL;
gboolean flushing;
GST_LOG_OBJECT (dvdspu, "Going for stream lock");
GST_PAD_STREAM_LOCK (dvdspu->videosinkpad);
GST_LOG_OBJECT (dvdspu, "Got stream lock");
GST_OBJECT_LOCK (dvdspu->videosinkpad);
flushing = GST_PAD_IS_FLUSHING (dvdspu->videosinkpad);
GST_OBJECT_UNLOCK (dvdspu->videosinkpad);
DVD_SPU_LOCK (dvdspu);
if (dvdspu->pending_frame == NULL || flushing) {
/* Got flushed while waiting for the stream lock */
DVD_SPU_UNLOCK (dvdspu);
} else {
to_push = dvdspu->pending_frame;
dvdspu->pending_frame = NULL;
DVD_SPU_UNLOCK (dvdspu);
gst_pad_push (dvdspu->srcpad, to_push);
}
GST_LOG_OBJECT (dvdspu, "Dropping stream lock");
GST_PAD_STREAM_UNLOCK (dvdspu->videosinkpad);
}
break;
}
case GST_EVENT_SEGMENT:
{
GstSegment seg;
gst_event_copy_segment (event, &seg);
/* Only print updates if they have an end time (don't print start_time
* updates */
GST_DEBUG_OBJECT (dvdspu, "subpic pad Segment: %" GST_SEGMENT_FORMAT,
&seg);
DVD_SPU_LOCK (dvdspu);
dvdspu->subp_seg = seg;
GST_LOG_OBJECT (dvdspu, "Subpicture segment now: %" GST_SEGMENT_FORMAT,
&dvdspu->subp_seg);
DVD_SPU_UNLOCK (dvdspu);
gst_event_unref (event);
break;
}
case GST_EVENT_GAP:
{
GstClockTime timestamp, duration;
gst_event_parse_gap (event, ×tamp, &duration);
if (GST_CLOCK_TIME_IS_VALID (duration))
timestamp += duration;
DVD_SPU_LOCK (dvdspu);
dvdspu->subp_seg.position = timestamp;
GST_LOG_OBJECT (dvdspu, "Received GAP. Segment now: %" GST_SEGMENT_FORMAT,
&dvdspu->subp_seg);
DVD_SPU_UNLOCK (dvdspu);
gst_event_unref (event);
break;
}
case GST_EVENT_FLUSH_START:
gst_event_unref (event);
goto done;
case GST_EVENT_FLUSH_STOP:
GST_DEBUG_OBJECT (dvdspu, "Have flush-stop event on SPU pad");
DVD_SPU_LOCK (dvdspu);
gst_segment_init (&dvdspu->subp_seg, GST_FORMAT_UNDEFINED);
gst_dvd_spu_flush_spu_info (dvdspu, TRUE);
DVD_SPU_UNLOCK (dvdspu);
/* We don't forward flushes on the spu pad */
gst_event_unref (event);
goto done;
case GST_EVENT_EOS:
/* drop EOS on the subtitle pad, it means there are no more subtitles,
* video might still continue, though */
gst_event_unref (event);
goto done;
break;
default:
res = gst_pad_event_default (pad, parent, event);
break;
}
done:
return res;
}
static gboolean
gst_identity_sink_event (GstBaseTransform * trans, GstEvent * event)
{
GstIdentity *identity;
gboolean ret = TRUE;
identity = GST_IDENTITY (trans);
if (!identity->silent) {
const GstStructure *s;
const gchar *tstr;
gchar *sstr;
GST_OBJECT_LOCK (identity);
g_free (identity->last_message);
tstr = gst_event_type_get_name (GST_EVENT_TYPE (event));
if ((s = gst_event_get_structure (event)))
sstr = gst_structure_to_string (s);
else
sstr = g_strdup ("");
identity->last_message =
g_strdup_printf ("event ******* (%s:%s) E (type: %s (%d), %s) %p",
GST_DEBUG_PAD_NAME (trans->sinkpad), tstr, GST_EVENT_TYPE (event),
sstr, event);
g_free (sstr);
GST_OBJECT_UNLOCK (identity);
gst_identity_notify_last_message (identity);
}
if (identity->single_segment && (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT)) {
if (!trans->have_segment) {
GstEvent *news;
GstSegment segment;
gst_event_copy_segment (event, &segment);
gst_event_copy_segment (event, &trans->segment);
trans->have_segment = TRUE;
/* This is the first segment, send out a (0, -1) segment */
gst_segment_init (&segment, segment.format);
news = gst_event_new_segment (&segment);
gst_pad_event_default (trans->sinkpad, GST_OBJECT_CAST (trans), news);
} else {
/* need to track segment for proper running time */
gst_event_copy_segment (event, &trans->segment);
}
}
if (GST_EVENT_TYPE (event) == GST_EVENT_GAP &&
trans->have_segment && trans->segment.format == GST_FORMAT_TIME) {
GstClockTime start, dur;
gst_event_parse_gap (event, &start, &dur);
if (GST_CLOCK_TIME_IS_VALID (start)) {
start = gst_segment_to_running_time (&trans->segment,
GST_FORMAT_TIME, start);
gst_identity_do_sync (identity, start);
/* also transform GAP timestamp similar to buffer timestamps */
if (identity->single_segment) {
gst_event_unref (event);
event = gst_event_new_gap (start, dur);
}
}
}
/* Reset previous timestamp, duration and offsets on SEGMENT
* to prevent false warnings when checking for perfect streams */
if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
identity->prev_timestamp = identity->prev_duration = GST_CLOCK_TIME_NONE;
identity->prev_offset = identity->prev_offset_end = GST_BUFFER_OFFSET_NONE;
}
if (identity->single_segment && GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
/* eat up segments */
gst_event_unref (event);
ret = TRUE;
} else {
if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_START) {
GST_OBJECT_LOCK (identity);
if (identity->clock_id) {
GST_DEBUG_OBJECT (identity, "unlock clock wait");
gst_clock_id_unschedule (identity->clock_id);
}
GST_OBJECT_UNLOCK (identity);
}
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->sink_event (trans, event);
}
return ret;
}
static GstPadProbeReturn
handle_mq_output (GstPad * pad, GstPadProbeInfo * info, MqStreamCtx * ctx)
{
GstSplitMuxSink *splitmux = ctx->splitmux;
MqStreamBuf *buf_info = NULL;
GST_LOG_OBJECT (pad, "Fired probe type 0x%x\n", info->type);
/* FIXME: Handle buffer lists, until then make it clear they won't work */
if (info->type & GST_PAD_PROBE_TYPE_BUFFER_LIST) {
g_warning ("Buffer list handling not implemented");
return GST_PAD_PROBE_DROP;
}
if (info->type & GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) {
GstEvent *event = gst_pad_probe_info_get_event (info);
GST_LOG_OBJECT (pad, "Event %" GST_PTR_FORMAT, event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
gst_event_copy_segment (event, &ctx->out_segment);
break;
case GST_EVENT_FLUSH_STOP:
GST_SPLITMUX_LOCK (splitmux);
gst_segment_init (&ctx->out_segment, GST_FORMAT_UNDEFINED);
g_queue_foreach (&ctx->queued_bufs, (GFunc) mq_stream_buf_free, NULL);
g_queue_clear (&ctx->queued_bufs);
ctx->flushing = FALSE;
GST_SPLITMUX_UNLOCK (splitmux);
break;
case GST_EVENT_FLUSH_START:
GST_SPLITMUX_LOCK (splitmux);
GST_LOG_OBJECT (pad, "Flush start");
ctx->flushing = TRUE;
GST_SPLITMUX_BROADCAST (splitmux);
GST_SPLITMUX_UNLOCK (splitmux);
break;
case GST_EVENT_EOS:
GST_SPLITMUX_LOCK (splitmux);
if (splitmux->state == SPLITMUX_STATE_STOPPED)
goto beach;
ctx->out_eos = TRUE;
GST_SPLITMUX_UNLOCK (splitmux);
break;
case GST_EVENT_GAP:{
GstClockTime gap_ts;
gst_event_parse_gap (event, &gap_ts, NULL);
if (gap_ts == GST_CLOCK_TIME_NONE)
break;
GST_SPLITMUX_LOCK (splitmux);
gap_ts = gst_segment_to_running_time (&ctx->out_segment,
GST_FORMAT_TIME, gap_ts);
GST_LOG_OBJECT (pad, "Have GAP w/ ts %" GST_TIME_FORMAT,
GST_TIME_ARGS (gap_ts));
if (splitmux->state == SPLITMUX_STATE_STOPPED)
goto beach;
ctx->out_running_time = gap_ts;
complete_or_wait_on_out (splitmux, ctx);
GST_SPLITMUX_UNLOCK (splitmux);
break;
}
default:
break;
}
return GST_PAD_PROBE_PASS;
}
/* Allow everything through until the configured next stopping point */
GST_SPLITMUX_LOCK (splitmux);
buf_info = g_queue_pop_tail (&ctx->queued_bufs);
if (buf_info == NULL)
/* Can only happen due to a poorly timed flush */
goto beach;
/* If we have popped a keyframe, decrement the queued_gop count */
if (buf_info->keyframe && splitmux->queued_gops > 0)
splitmux->queued_gops--;
ctx->out_running_time = buf_info->run_ts;
GST_LOG_OBJECT (splitmux,
"Pad %" GST_PTR_FORMAT " buffer with TS %" GST_TIME_FORMAT
" size %" G_GSIZE_FORMAT,
pad, GST_TIME_ARGS (ctx->out_running_time), buf_info->buf_size);
complete_or_wait_on_out (splitmux, ctx);
if (splitmux->muxed_out_time == GST_CLOCK_TIME_NONE ||
splitmux->muxed_out_time < buf_info->run_ts)
splitmux->muxed_out_time = buf_info->run_ts;
splitmux->muxed_out_bytes += buf_info->buf_size;
#ifndef GST_DISABLE_GST_DEBUG
{
GstBuffer *buf = gst_pad_probe_info_get_buffer (info);
GST_LOG_OBJECT (pad, "Returning to pass buffer %" GST_PTR_FORMAT
" run ts %" GST_TIME_FORMAT, buf,
GST_TIME_ARGS (ctx->out_running_time));
}
#endif
GST_SPLITMUX_UNLOCK (splitmux);
mq_stream_buf_free (buf_info);
return GST_PAD_PROBE_PASS;
beach:
GST_SPLITMUX_UNLOCK (splitmux);
return GST_PAD_PROBE_DROP;
}
