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
rsn_audiomunge_sink_event (GstPad * pad, GstEvent * event)
{
gboolean ret = FALSE;
RsnAudioMunge *munge = RSN_AUDIOMUNGE (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
rsn_audiomunge_reset (munge);
ret = gst_pad_push_event (munge->srcpad, event);
break;
case GST_EVENT_NEWSEGMENT:
{
GstSegment *segment;
gboolean update;
GstFormat format;
gdouble rate, arate;
gint64 start, stop, time;
gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
&start, &stop, &time);
/* we need TIME format */
if (format != GST_FORMAT_TIME)
goto newseg_wrong_format;
/* now configure the values */
segment = &munge->sink_segment;
gst_segment_set_newsegment_full (segment, update,
rate, arate, format, start, stop, time);
/*
* FIXME:
* If this is a segment update and accum >= threshold,
* or we're in a still frame and there's been no audio received,
* then we need to generate some audio data.
*
* If caused by a segment start update (time advancing in a gap) adjust
* the new-segment and send the buffer.
*
* Otherwise, send the buffer before the newsegment, so that it appears
* in the closing segment.
*/
if (!update) {
GST_DEBUG_OBJECT (munge,
"Sending newsegment: update %d start %" GST_TIME_FORMAT " stop %"
GST_TIME_FORMAT " accum now %" GST_TIME_FORMAT, update,
GST_TIME_ARGS (start), GST_TIME_ARGS (stop),
GST_TIME_ARGS (segment->accum));
ret = gst_pad_push_event (munge->srcpad, event);
}
if (!munge->have_audio) {
if ((update && segment->accum >= AUDIO_FILL_THRESHOLD)
|| munge->in_still) {
GST_DEBUG_OBJECT (munge,
"Sending audio fill with ts %" GST_TIME_FORMAT ": accum = %"
GST_TIME_FORMAT " still-state=%d", GST_TIME_ARGS (segment->start),
GST_TIME_ARGS (segment->accum), munge->in_still);
/* Just generate a 200ms silence buffer for now. FIXME: Fill the gap */
if (rsn_audiomunge_make_audio (munge, segment->start,
GST_SECOND / 5) == GST_FLOW_OK)
munge->have_audio = TRUE;
} else {
GST_LOG_OBJECT (munge, "Not sending audio fill buffer: "
"Not segment update, or segment accum below thresh: accum = %"
GST_TIME_FORMAT, GST_TIME_ARGS (segment->accum));
}
}
if (update) {
GST_DEBUG_OBJECT (munge,
"Sending newsegment: update %d start %" GST_TIME_FORMAT " stop %"
GST_TIME_FORMAT " accum now %" GST_TIME_FORMAT, update,
GST_TIME_ARGS (start), GST_TIME_ARGS (stop),
GST_TIME_ARGS (segment->accum));
ret = gst_pad_push_event (munge->srcpad, event);
}
break;
}
case GST_EVENT_CUSTOM_DOWNSTREAM:
{
gboolean in_still;
if (gst_video_event_parse_still_frame (event, &in_still)) {
/* Remember the still-frame state, so we can generate a pre-roll
* buffer when a new-segment arrives */
munge->in_still = in_still;
GST_INFO_OBJECT (munge, "AUDIO MUNGE: still-state now %d",
munge->in_still);
}
ret = gst_pad_push_event (munge->srcpad, event);
break;
}
default:
ret = gst_pad_push_event (munge->srcpad, event);
break;
}
gst_object_unref (munge);
return ret;
newseg_wrong_format:
GST_DEBUG_OBJECT (munge, "received non TIME newsegment");
gst_event_unref (event);
gst_object_unref (munge);
return FALSE;
}
