GstPadProbeReturn GstEnginePipeline::EventHandoffCallback(GstPad*,
GstPadProbeInfo* info,
gpointer self) {
GstEnginePipeline* instance = reinterpret_cast<GstEnginePipeline*>(self);
GstEvent* e = gst_pad_probe_info_get_event(info);
qLog(Debug) << instance->id() << "event" << GST_EVENT_TYPE_NAME(e);
if (GST_EVENT_TYPE(e) == GST_EVENT_SEGMENT &&
!instance->segment_start_received_) {
// The segment start time is used to calculate the proper offset of data
// buffers from the start of the stream
const GstSegment* segment = nullptr;
gst_event_parse_segment(e, &segment);
instance->segment_start_ = segment->start;
instance->segment_start_received_ = true;
if (instance->emit_track_ended_on_segment_start_) {
qLog(Debug) << "New segment started, EOS will signal on next buffer "
"discontinuity";
instance->emit_track_ended_on_segment_start_ = false;
instance->emit_track_ended_on_time_discontinuity_ = true;
}
}
return GST_PAD_PROBE_OK;
}
static gboolean
gst_audio_aggregator_sink_event (GstAggregator * agg,
GstAggregatorPad * aggpad, GstEvent * event)
{
gboolean res = TRUE;
GST_DEBUG_OBJECT (aggpad, "Got %s event on sink pad",
GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
if (segment->format != GST_FORMAT_TIME) {
GST_ERROR_OBJECT (agg, "Segment of type %s are not supported,"
" only TIME segments are supported",
gst_format_get_name (segment->format));
gst_event_unref (event);
event = NULL;
res = FALSE;
break;
}
GST_OBJECT_LOCK (agg);
if (segment->rate != agg->segment.rate) {
GST_ERROR_OBJECT (aggpad,
"Got segment event with wrong rate %lf, expected %lf",
segment->rate, agg->segment.rate);
res = FALSE;
gst_event_unref (event);
event = NULL;
} else if (segment->rate < 0.0) {
GST_ERROR_OBJECT (aggpad, "Negative rates not supported yet");
res = FALSE;
gst_event_unref (event);
event = NULL;
} else {
GstAudioAggregatorPad *pad = GST_AUDIO_AGGREGATOR_PAD (aggpad);
GST_OBJECT_LOCK (pad);
pad->priv->new_segment = TRUE;
GST_OBJECT_UNLOCK (pad);
}
GST_OBJECT_UNLOCK (agg);
break;
}
default:
break;
}
if (event != NULL)
return
GST_AGGREGATOR_CLASS (gst_audio_aggregator_parent_class)->sink_event
(agg, aggpad, event);
return res;
}
/* callback called when demux receives events from GstFakeSoupHTTPSrc */
static GstPadProbeReturn
on_demuxReceivesEvent (GstPad * pad, GstPadProbeInfo * info, gpointer data)
{
GstAdaptiveDemuxTestEnginePrivate *priv =
(GstAdaptiveDemuxTestEnginePrivate *) data;
GstAdaptiveDemuxTestOutputStream *stream = NULL;
GstEvent *event;
const GstSegment *segment;
event = GST_PAD_PROBE_INFO_EVENT (info);
GST_DEBUG ("Received event %" GST_PTR_FORMAT " on pad %" GST_PTR_FORMAT,
event, pad);
if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
/* a new segment will start arriving
* update segment_start used by pattern validation
*/
gst_event_parse_segment (event, &segment);
GST_TEST_LOCK (priv);
stream = getTestOutputDataByPad (priv, pad, TRUE);
stream->total_received_size += stream->segment_received_size;
stream->segment_received_size = 0;
stream->segment_start = segment->start;
GST_TEST_UNLOCK (priv);
}
return GST_PAD_PROBE_OK;
}
static gboolean
gst_gio_base_sink_event (GstBaseSink * base_sink, GstEvent * event)
{
GstGioBaseSink *sink = GST_GIO_BASE_SINK (base_sink);
GstFlowReturn ret = GST_FLOW_OK;
if (sink->stream == NULL)
return TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
if (G_IS_OUTPUT_STREAM (sink->stream)) {
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
if (segment->format != GST_FORMAT_BYTES) {
GST_WARNING_OBJECT (sink, "ignored SEGMENT event in %s format",
gst_format_get_name (segment->format));
break;
}
if (GST_GIO_STREAM_IS_SEEKABLE (sink->stream)) {
ret = gst_gio_seek (sink, G_SEEKABLE (sink->stream), segment->start,
sink->cancel);
if (ret == GST_FLOW_OK)
sink->position = segment->start;
} else {
ret = GST_FLOW_NOT_SUPPORTED;
}
}
break;
case GST_EVENT_EOS:
case GST_EVENT_FLUSH_START:
if (G_IS_OUTPUT_STREAM (sink->stream)) {
gboolean success;
GError *err = NULL;
success = g_output_stream_flush (sink->stream, sink->cancel, &err);
if (!success && !gst_gio_error (sink, "g_output_stream_flush", &err,
&ret)) {
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL),
("flush failed: %s", err->message));
g_clear_error (&err);
}
}
break;
default:
break;
}
if (ret == GST_FLOW_OK)
return GST_BASE_SINK_CLASS (parent_class)->event (base_sink, event);
else {
gst_event_unref (event);
return FALSE;
}
}
GstPadProbeReturn GstEnginePipeline::EventHandoffCallback(GstPad*,
GstPadProbeInfo* info,
gpointer self) {
GstEnginePipeline* instance = reinterpret_cast<GstEnginePipeline*>(self);
GstEvent* e = gst_pad_probe_info_get_event(info);
qLog(Debug) << instance->id() << "event" << GST_EVENT_TYPE_NAME(e);
switch (GST_EVENT_TYPE(e)) {
case GST_EVENT_SEGMENT:
if (!instance->segment_start_received_) {
// The segment start time is used to calculate the proper offset of data
// buffers from the start of the stream
const GstSegment* segment = nullptr;
gst_event_parse_segment(e, &segment);
instance->segment_start_ = segment->start;
instance->segment_start_received_ = true;
}
break;
default:
break;
}
return GST_PAD_PROBE_OK;
}
/* return TRUE to discard the Segment */
static gboolean
compare_segments (CollectStructure * collect, Segment * segment,
GstEvent * event)
{
const GstSegment *received_segment;
guint64 running_stop, running_start, running_duration;
gst_event_parse_segment (event, &received_segment);
GST_DEBUG ("Got Segment rate:%f, format:%s, start:%" GST_TIME_FORMAT
", stop:%" GST_TIME_FORMAT ", time:%" GST_TIME_FORMAT
", base:%" GST_TIME_FORMAT ", offset:%" GST_TIME_FORMAT,
received_segment->rate, gst_format_get_name (received_segment->format),
GST_TIME_ARGS (received_segment->start),
GST_TIME_ARGS (received_segment->stop),
GST_TIME_ARGS (received_segment->time),
GST_TIME_ARGS (received_segment->base),
GST_TIME_ARGS (received_segment->offset));
GST_DEBUG ("[RUNNING] start:%" GST_TIME_FORMAT " [STREAM] start:%"
GST_TIME_FORMAT,
GST_TIME_ARGS (gst_segment_to_running_time (received_segment,
GST_FORMAT_TIME, received_segment->start)),
GST_TIME_ARGS (gst_segment_to_stream_time (received_segment,
GST_FORMAT_TIME, received_segment->start)));
GST_DEBUG ("Expecting rate:%f, format:%s, start:%" GST_TIME_FORMAT
", stop:%" GST_TIME_FORMAT ", position:%" GST_TIME_FORMAT ", base:%"
GST_TIME_FORMAT, segment->rate, gst_format_get_name (segment->format),
GST_TIME_ARGS (segment->start), GST_TIME_ARGS (segment->stop),
GST_TIME_ARGS (segment->position),
GST_TIME_ARGS (collect->expected_base));
running_start =
gst_segment_to_running_time (received_segment, GST_FORMAT_TIME,
received_segment->start);
running_stop =
gst_segment_to_running_time (received_segment, GST_FORMAT_TIME,
received_segment->stop);
running_duration = running_stop - running_start;
fail_if (received_segment->rate != segment->rate);
fail_if (received_segment->format != segment->format);
fail_unless_equals_int64 (received_segment->time, segment->position);
fail_unless_equals_int64 (received_segment->base, collect->expected_base);
fail_unless_equals_uint64 (received_segment->stop - received_segment->start,
segment->stop - segment->start);
collect->expected_base += running_duration;
GST_DEBUG ("Segment was valid, discarding expected Segment");
return TRUE;
}
/**
* gst_event_copy_segment:
* @event: The event to parse
* @segment: a pointer to a #GstSegment
*
* Parses a segment @event and copies the #GstSegment into the location
* given by @segment.
*/
void
gst_event_copy_segment (GstEvent * event, GstSegment * segment)
{
const GstSegment *src;
g_return_if_fail (GST_IS_EVENT (event));
g_return_if_fail (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT);
if (segment) {
gst_event_parse_segment (event, &src);
gst_segment_copy_into (src, segment);
}
}
static gboolean
gst_fd_sink_event (GstBaseSink * sink, GstEvent * event)
{
GstEventType type;
GstFdSink *fdsink;
fdsink = GST_FD_SINK (sink);
type = GST_EVENT_TYPE (event);
switch (type) {
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
if (segment->format == GST_FORMAT_BYTES) {
/* only try to seek and fail when we are going to a different
* position */
if (fdsink->current_pos != segment->start) {
/* FIXME, the seek should be performed on the pos field, start/stop are
* just boundaries for valid bytes offsets. We should also fill the file
* with zeroes if the new position extends the current EOF (sparse streams
* and segment accumulation). */
if (!gst_fd_sink_do_seek (fdsink, (guint64) segment->start))
goto seek_failed;
}
} else {
GST_DEBUG_OBJECT (fdsink,
"Ignored SEGMENT event of format %u (%s)", (guint) segment->format,
gst_format_get_name (segment->format));
}
break;
}
default:
break;
}
return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
seek_failed:
{
GST_ELEMENT_ERROR (fdsink, RESOURCE, SEEK, (NULL),
("Error while seeking on file descriptor %d: %s",
fdsink->fd, g_strerror (errno)));
gst_event_unref (event);
return FALSE;
}
}
static gboolean
gst_dvdec_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstDVDec *dvdec;
gboolean res = TRUE;
dvdec = GST_DVDEC (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_STOP:
gst_segment_init (&dvdec->segment, GST_FORMAT_UNDEFINED);
dvdec->need_segment = FALSE;
break;
case GST_EVENT_SEGMENT:{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
GST_DEBUG_OBJECT (dvdec, "Got SEGMENT %" GST_SEGMENT_FORMAT, &segment);
gst_segment_copy_into (segment, &dvdec->segment);
if (!gst_pad_has_current_caps (dvdec->srcpad)) {
dvdec->need_segment = TRUE;
gst_event_unref (event);
event = NULL;
res = TRUE;
} else {
dvdec->need_segment = FALSE;
}
break;
}
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_dvdec_sink_setcaps (dvdec, caps);
gst_event_unref (event);
event = NULL;
break;
}
default:
break;
}
if (event)
res = gst_pad_push_event (dvdec->srcpad, event);
return res;
}
static gboolean
sink_event_func (GstPad * pad, GstObject * parent, GstEvent * event)
{
GList **expected = GST_PAD_ELEMENT_PRIVATE (pad), *l;
GstEvent *exp;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:{
GstCaps *recvcaps, *expectcaps;
l = g_list_first (*expected);
exp = GST_EVENT (l->data);
gst_event_parse_caps (event, &recvcaps);
gst_event_parse_caps (exp, &expectcaps);
fail_unless (gst_caps_is_equal (recvcaps, expectcaps));
break;
}
case GST_EVENT_SEGMENT:{
const GstSegment *recvseg, *expectseg;
l = g_list_last (*expected);
exp = GST_EVENT (l->data);
gst_event_parse_segment (event, &recvseg);
gst_event_parse_segment (exp, &expectseg);
fail_unless_equals_uint64 (recvseg->position, expectseg->position);
break;
}
default:
break;
}
return gst_pad_event_default (pad, parent, event);
}
static gboolean
gst_pngdec_sink_event (GstVideoDecoder * bdec, GstEvent * event)
{
const GstSegment *segment;
if (GST_EVENT_TYPE (event) != GST_EVENT_SEGMENT)
goto done;
gst_event_parse_segment (event, &segment);
if (segment->format == GST_FORMAT_TIME)
gst_video_decoder_set_packetized (bdec, TRUE);
else
gst_video_decoder_set_packetized (bdec, FALSE);
done:
return GST_VIDEO_DECODER_CLASS (parent_class)->sink_event (bdec, event);
}
static gboolean
gst_segment_clip_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstSegmentClip *self = GST_SEGMENT_CLIP (parent);
gboolean ret = TRUE;
GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
/* should be only downstream */
g_assert (pad == self->sinkpad);
gst_event_parse_caps (event, &caps);
ret = gst_segment_clip_sink_setcaps (self, caps);
break;
}
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
GST_DEBUG_OBJECT (pad, "Got NEWSEGMENT event %" GST_SEGMENT_FORMAT,
segment);
gst_segment_copy_into (segment, &self->segment);
break;
}
case GST_EVENT_FLUSH_STOP:
gst_segment_clip_reset (self);
break;
default:
break;
}
if (ret)
ret = gst_pad_event_default (pad, parent, event);
else
gst_event_unref (event);
return ret;
}
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;
}
/* sink and src pad event handlers */
static gboolean
gst_ivtc_sink_event (GstBaseTransform * trans, GstEvent * event)
{
GstIvtc *ivtc = GST_IVTC (trans);
GST_DEBUG_OBJECT (ivtc, "sink_event");
if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
const GstSegment *seg;
gst_ivtc_flush (ivtc);
/* FIXME this should handle update events */
gst_event_parse_segment (event, &seg);
gst_segment_copy_into (seg, &ivtc->segment);
ivtc->current_ts = ivtc->segment.start;
}
return GST_BASE_TRANSFORM_CLASS (gst_ivtc_parent_class)->sink_event (trans,
event);
}
GstPadProbeReturn GStreamerReader::EventProbe(GstPad *aPad, GstEvent *aEvent)
{
GstElement* parent = GST_ELEMENT(gst_pad_get_parent(aPad));
LOG(PR_LOG_DEBUG, "event probe %s", GST_EVENT_TYPE_NAME (aEvent));
switch(GST_EVENT_TYPE(aEvent)) {
case GST_EVENT_SEGMENT:
{
const GstSegment *newSegment;
GstSegment* segment;
/* Store the segments so we can convert timestamps to stream time, which
* is what the upper layers sync on.
*/
ReentrantMonitorAutoEnter mon(mGstThreadsMonitor);
#if GST_VERSION_MINOR <= 1 && GST_VERSION_MICRO < 1
ResetDecode();
#endif
gst_event_parse_segment(aEvent, &newSegment);
if (parent == GST_ELEMENT(mVideoAppSink))
segment = &mVideoSegment;
else
segment = &mAudioSegment;
gst_segment_copy_into (newSegment, segment);
break;
}
case GST_EVENT_FLUSH_STOP:
/* Reset on seeks */
ResetDecode();
break;
default:
break;
}
gst_object_unref(parent);
return GST_PAD_PROBE_OK;
}
static gboolean
gst_decklink_audio_sink_event (GstBaseSink * bsink, GstEvent * event)
{
GstDecklinkAudioSink *self = GST_DECKLINK_AUDIO_SINK_CAST (bsink);
if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
const GstSegment *new_segment;
gst_event_parse_segment (event, &new_segment);
if (ABS (new_segment->rate) != 1.0) {
guint out_rate = self->info.rate / ABS (new_segment->rate);
if (self->resampler && (self->resampler_out_rate != out_rate
|| self->resampler_in_rate != (guint) self->info.rate))
gst_audio_resampler_update (self->resampler, self->info.rate, out_rate,
NULL);
else if (!self->resampler)
self->resampler =
gst_audio_resampler_new (GST_AUDIO_RESAMPLER_METHOD_LINEAR,
GST_AUDIO_RESAMPLER_FLAG_NONE, self->info.finfo->format,
self->info.channels, self->info.rate, out_rate, NULL);
self->resampler_in_rate = self->info.rate;
self->resampler_out_rate = out_rate;
} else if (self->resampler) {
gst_audio_resampler_free (self->resampler);
self->resampler = NULL;
}
if (new_segment->rate < 0)
gst_audio_stream_align_set_rate (self->stream_align, -48000);
}
return GST_BASE_SINK_CLASS (parent_class)->event (bsink, event);
}
static gboolean
gst_gdk_pixbuf_dec_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
GstFlowReturn res = GST_FLOW_OK;
gboolean ret = TRUE, forward = TRUE;
GstGdkPixbufDec *pixbuf;
pixbuf = GST_GDK_PIXBUF_DEC (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_gdk_pixbuf_dec_sink_setcaps (pixbuf, caps);
forward = FALSE;
break;
}
case GST_EVENT_EOS:
if (pixbuf->pixbuf_loader != NULL) {
gdk_pixbuf_loader_close (pixbuf->pixbuf_loader, NULL);
res = gst_gdk_pixbuf_dec_flush (pixbuf);
g_object_unref (G_OBJECT (pixbuf->pixbuf_loader));
pixbuf->pixbuf_loader = NULL;
/* as long as we don't have flow returns for event functions we need
* to post an error here, or the application might never know that
* things failed */
if (res != GST_FLOW_OK && res != GST_FLOW_FLUSHING
&& res != GST_FLOW_EOS && res != GST_FLOW_NOT_LINKED) {
GST_ELEMENT_ERROR (pixbuf, STREAM, FAILED, (NULL), ("Flow: %s",
gst_flow_get_name (res)));
forward = FALSE;
ret = FALSE;
}
}
break;
case GST_EVENT_FLUSH_STOP:
g_list_free_full (pixbuf->pending_events,
(GDestroyNotify) gst_event_unref);
pixbuf->pending_events = NULL;
/* Fall through */
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
if (segment->format == GST_FORMAT_BYTES)
pixbuf->packetized = FALSE;
else
pixbuf->packetized = TRUE;
if (pixbuf->pixbuf_loader != NULL) {
gdk_pixbuf_loader_close (pixbuf->pixbuf_loader, NULL);
g_object_unref (G_OBJECT (pixbuf->pixbuf_loader));
pixbuf->pixbuf_loader = NULL;
}
break;
}
default:
break;
}
if (forward) {
if (!gst_pad_has_current_caps (pixbuf->srcpad) &&
GST_EVENT_IS_SERIALIZED (event)
&& GST_EVENT_TYPE (event) > GST_EVENT_CAPS
&& GST_EVENT_TYPE (event) != GST_EVENT_FLUSH_STOP
&& GST_EVENT_TYPE (event) != GST_EVENT_EOS) {
ret = TRUE;
pixbuf->pending_events = g_list_prepend (pixbuf->pending_events, event);
} else {
ret = gst_pad_event_default (pad, parent, event);
}
} else {
gst_event_unref (event);
}
return ret;
}
static gboolean
gst_video_rate_sink_event (GstBaseTransform * trans, GstEvent * event)
{
GstVideoRate *videorate;
videorate = GST_VIDEO_RATE (trans);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
if (segment->format != GST_FORMAT_TIME)
goto format_error;
GST_DEBUG_OBJECT (videorate, "handle NEWSEGMENT");
/* close up the previous segment, if appropriate */
if (videorate->prevbuf) {
gint count = 0;
GstFlowReturn res;
res = GST_FLOW_OK;
/* fill up to the end of current segment,
* or only send out the stored buffer if there is no specific stop.
* regardless, prevent going loopy in strange cases */
while (res == GST_FLOW_OK && count <= MAGIC_LIMIT &&
((GST_CLOCK_TIME_IS_VALID (videorate->segment.stop) &&
videorate->next_ts - videorate->segment.base
< videorate->segment.stop)
|| count < 1)) {
res = gst_video_rate_flush_prev (videorate, count > 0);
count++;
}
if (count > 1) {
videorate->dup += count - 1;
if (!videorate->silent)
gst_video_rate_notify_duplicate (videorate);
} else if (count == 0) {
videorate->drop++;
if (!videorate->silent)
gst_video_rate_notify_drop (videorate);
}
/* clean up for the new one; _chain will resume from the new start */
gst_video_rate_swap_prev (videorate, NULL, 0);
}
videorate->base_ts = 0;
videorate->out_frame_count = 0;
videorate->next_ts = GST_CLOCK_TIME_NONE;
/* We just want to update the accumulated stream_time */
gst_segment_copy_into (segment, &videorate->segment);
GST_DEBUG_OBJECT (videorate, "updated segment: %" GST_SEGMENT_FORMAT,
&videorate->segment);
break;
}
case GST_EVENT_EOS:{
gint count = 0;
GstFlowReturn res = GST_FLOW_OK;
GST_DEBUG_OBJECT (videorate, "Got EOS");
/* If the segment has a stop position, fill the segment */
if (GST_CLOCK_TIME_IS_VALID (videorate->segment.stop)) {
/* fill up to the end of current segment,
* or only send out the stored buffer if there is no specific stop.
* regardless, prevent going loopy in strange cases */
while (res == GST_FLOW_OK && count <= MAGIC_LIMIT &&
((videorate->next_ts - videorate->segment.base <
videorate->segment.stop)
|| count < 1)) {
res = gst_video_rate_flush_prev (videorate, count > 0);
count++;
}
} else if (videorate->prevbuf) {
/* Output at least one frame but if the buffer duration is valid, output
* enough frames to use the complete buffer duration */
if (GST_BUFFER_DURATION_IS_VALID (videorate->prevbuf)) {
GstClockTime end_ts =
videorate->next_ts + GST_BUFFER_DURATION (videorate->prevbuf);
while (res == GST_FLOW_OK && count <= MAGIC_LIMIT &&
((videorate->next_ts - videorate->segment.base < end_ts)
|| count < 1)) {
res = gst_video_rate_flush_prev (videorate, count > 0);
count++;
}
} else {
res = gst_video_rate_flush_prev (videorate, FALSE);
count = 1;
}
}
if (count > 1) {
videorate->dup += count - 1;
if (!videorate->silent)
gst_video_rate_notify_duplicate (videorate);
} else if (count == 0) {
videorate->drop++;
if (!videorate->silent)
gst_video_rate_notify_drop (videorate);
}
break;
}
case GST_EVENT_FLUSH_STOP:
/* also resets the segment */
GST_DEBUG_OBJECT (videorate, "Got FLUSH_STOP");
gst_video_rate_reset (videorate);
break;
case GST_EVENT_GAP:
/* no gaps after videorate, ignore the event */
gst_event_unref (event);
return TRUE;
default:
break;
}
return GST_BASE_TRANSFORM_CLASS (parent_class)->sink_event (trans, event);
/* ERRORS */
format_error:
{
GST_WARNING_OBJECT (videorate,
"Got segment but doesn't have GST_FORMAT_TIME value");
return FALSE;
}
}
static gboolean
gst_adder_sink_event (GstCollectPads * pads, GstCollectData * pad,
GstEvent * event, gpointer user_data)
{
GstAdder *adder = GST_ADDER (user_data);
gboolean res = TRUE, discard = FALSE;
GST_DEBUG_OBJECT (pad->pad, "Got %s event on sink pad",
GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
res = gst_adder_setcaps (adder, pad->pad, caps);
gst_event_unref (event);
event = NULL;
break;
}
case GST_EVENT_FLUSH_START:
/* ensure that we will send a flush stop */
res = gst_collect_pads_event_default (pads, pad, event, discard);
event = NULL;
GST_COLLECT_PADS_STREAM_LOCK (adder->collect);
adder->flush_stop_pending = TRUE;
GST_COLLECT_PADS_STREAM_UNLOCK (adder->collect);
break;
case GST_EVENT_FLUSH_STOP:
/* we received a flush-stop. We will only forward it when
* flush_stop_pending is set, and we will unset it then.
*/
g_atomic_int_set (&adder->new_segment_pending, TRUE);
GST_COLLECT_PADS_STREAM_LOCK (adder->collect);
if (adder->flush_stop_pending) {
GST_DEBUG_OBJECT (pad->pad, "forwarding flush stop");
res = gst_collect_pads_event_default (pads, pad, event, discard);
adder->flush_stop_pending = FALSE;
event = NULL;
} else {
discard = TRUE;
GST_DEBUG_OBJECT (pad->pad, "eating flush stop");
}
GST_COLLECT_PADS_STREAM_UNLOCK (adder->collect);
/* Clear pending tags */
if (adder->pending_events) {
g_list_foreach (adder->pending_events, (GFunc) gst_event_unref, NULL);
g_list_free (adder->pending_events);
adder->pending_events = NULL;
}
break;
case GST_EVENT_TAG:
/* collect tags here so we can push them out when we collect data */
adder->pending_events = g_list_append (adder->pending_events, event);
event = NULL;
break;
case GST_EVENT_SEGMENT:{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
if (segment->rate != adder->segment.rate) {
GST_ERROR_OBJECT (pad->pad,
"Got segment event with wrong rate %lf, expected %lf",
segment->rate, adder->segment.rate);
res = FALSE;
gst_event_unref (event);
event = NULL;
}
discard = TRUE;
break;
}
default:
break;
}
if (G_LIKELY (event))
return gst_collect_pads_event_default (pads, pad, event, discard);
else
return res;
}
/* handle events (search) */
static gboolean
gst_file_sink_event (GstBaseSink * sink, GstEvent * event)
{
GstEventType type;
GstFileSink *filesink;
filesink = GST_FILE_SINK (sink);
type = GST_EVENT_TYPE (event);
switch (type) {
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
gst_event_parse_segment (event, &segment);
if (segment->format == GST_FORMAT_BYTES) {
/* only try to seek and fail when we are going to a different
* position */
if (filesink->current_pos != segment->start) {
/* FIXME, the seek should be performed on the pos field, start/stop are
* just boundaries for valid bytes offsets. We should also fill the file
* with zeroes if the new position extends the current EOF (sparse streams
* and segment accumulation). */
if (!gst_file_sink_do_seek (filesink, (guint64) segment->start))
goto seek_failed;
} else {
GST_DEBUG_OBJECT (filesink, "Ignored SEGMENT, no seek needed");
}
} else {
GST_DEBUG_OBJECT (filesink,
"Ignored SEGMENT event of format %u (%s)", (guint) segment->format,
gst_format_get_name (segment->format));
}
break;
}
case GST_EVENT_FLUSH_STOP:
if (filesink->current_pos != 0 && filesink->seekable) {
gst_file_sink_do_seek (filesink, 0);
if (ftruncate (fileno (filesink->file), 0))
goto flush_failed;
}
break;
case GST_EVENT_EOS:
if (fflush (filesink->file))
goto flush_failed;
break;
default:
break;
}
return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
/* ERRORS */
seek_failed:
{
GST_ELEMENT_ERROR (filesink, RESOURCE, SEEK,
(_("Error while seeking in file \"%s\"."), filesink->filename),
GST_ERROR_SYSTEM);
gst_event_unref (event);
return FALSE;
}
flush_failed:
{
GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
(_("Error while writing to file \"%s\"."), filesink->filename),
GST_ERROR_SYSTEM);
gst_event_unref (event);
return FALSE;
}
}
