static gboolean
gst_jasper_dec_src_event (GstPad * pad, GstEvent * event)
{
GstJasperDec *dec;
gboolean res;
dec = GST_JASPER_DEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:{
GstClockTimeDiff diff;
GstClockTime timestamp;
gdouble proportion;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
gst_jasper_dec_update_qos (dec, proportion, timestamp + diff);
break;
}
default:
break;
}
res = gst_pad_push_event (dec->sinkpad, event);
gst_object_unref (dec);
return res;
}
static gboolean
gst_vdp_vpp_src_event (GstPad * pad, GstEvent * event)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
gboolean res;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
GST_OBJECT_LOCK (vpp);
vpp->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (vpp);
res = gst_pad_event_default (pad, event);
break;
}
default:
res = gst_pad_event_default (pad, event);
}
gst_object_unref (vpp);
return res;
}
static gboolean
gst_shape_wipe_src_event (GstPad * pad, GstEvent * event)
{
GstShapeWipe *self = GST_SHAPE_WIPE (gst_pad_get_parent (pad));
gboolean ret;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:{
GstClockTimeDiff diff;
GstClockTime timestamp;
gdouble proportion;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
gst_shape_wipe_update_qos (self, proportion, diff, timestamp);
}
/* fall through */
default:
ret = gst_pad_push_event (self->video_sinkpad, event);
break;
}
gst_object_unref (self);
return ret;
}
static gboolean
gst_shape_wipe_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstShapeWipe *self = GST_SHAPE_WIPE (parent);
gboolean ret;
GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:{
GstQOSType type;
GstClockTimeDiff diff;
GstClockTime timestamp;
gdouble proportion;
gst_event_parse_qos (event, &type, &proportion, &diff, ×tamp);
gst_shape_wipe_update_qos (self, proportion, diff, timestamp);
}
/* fall through */
default:
ret = gst_pad_push_event (self->video_sinkpad, event);
break;
}
return ret;
}
static VALUE
qos_parse(VALUE self)
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos(RGST_EVENT(self), &proportion, &diff, ×tamp);
return rb_ary_new3(3, DBL2NUM(proportion), LL2NUM(diff),
ULL2NUM(timestamp));
}
static gboolean
on_video_sink_data_flow (GstPad * pad, GstMiniObject * mini_obj,
gpointer user_data)
{
GstFPSDisplaySink *self = GST_FPS_DISPLAY_SINK (user_data);
#if 0
if (GST_IS_BUFFER (mini_obj)) {
GstBuffer *buf = GST_BUFFER_CAST (mini_obj);
if (GST_CLOCK_TIME_IS_VALID (self->next_ts)) {
if (GST_BUFFER_TIMESTAMP (buf) <= self->next_ts) {
self->frames_rendered++;
} else {
GST_WARNING_OBJECT (self, "dropping frame : ts %" GST_TIME_FORMAT
" < expected_ts %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (self->next_ts));
self->frames_dropped++;
}
} else {
self->frames_rendered++;
}
} else
#endif
if (GST_IS_EVENT (mini_obj)) {
GstEvent *ev = GST_EVENT_CAST (mini_obj);
if (GST_EVENT_TYPE (ev) == GST_EVENT_QOS) {
GstClockTimeDiff diff;
GstClockTime ts;
gst_event_parse_qos (ev, NULL, &diff, &ts);
if (diff <= 0.0) {
g_atomic_int_inc (&self->frames_rendered);
} else {
g_atomic_int_inc (&self->frames_dropped);
}
ts = gst_util_get_timestamp ();
if (G_UNLIKELY (!GST_CLOCK_TIME_IS_VALID (self->start_ts))) {
self->interval_ts = self->last_ts = self->start_ts = ts;
}
if (GST_CLOCK_DIFF (self->interval_ts, ts) > self->fps_update_interval) {
display_current_fps (self);
self->interval_ts = ts;
}
}
}
return TRUE;
}
static gboolean
on_video_sink_data_flow (GstPad * pad, GstMiniObject * mini_obj,
gpointer user_data)
{
GstFPSDisplaySink *self = GST_FPS_DISPLAY_SINK (user_data);
#if 0
if (GST_IS_BUFFER (mini_obj)) {
GstBuffer *buf = GST_BUFFER_CAST (mini_obj);
if (GST_CLOCK_TIME_IS_VALID (self->next_ts)) {
if (GST_BUFFER_TIMESTAMP (buf) <= self->next_ts) {
self->frames_rendered++;
} else {
GST_WARNING_OBJECT (self, "dropping frame : ts %" GST_TIME_FORMAT
" < expected_ts %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (self->next_ts));
self->frames_dropped++;
}
} else {
self->frames_rendered++;
}
} else
#endif
if (GST_IS_EVENT (mini_obj)) {
GstEvent *ev = GST_EVENT_CAST (mini_obj);
if (GST_EVENT_TYPE (ev) == GST_EVENT_QOS) {
GstClockTimeDiff diff;
GstClockTime ts;
gst_event_parse_qos (ev, NULL, &diff, &ts);
self->next_ts = ts + diff;
if (diff <= 0.0) {
self->frames_rendered++;
} else {
self->frames_dropped++;
}
}
}
return TRUE;
}
static gboolean
kms_face_detector_src_eventfunc (GstBaseTransform * trans, GstEvent * event)
{
KmsFaceDetector *facedetector = KMS_FACE_DETECTOR (trans);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
GstQOSType type;
gfloat difference;
gst_event_parse_qos (event, &type, &proportion, &diff, ×tamp);
gst_base_transform_update_qos (trans, proportion, diff, timestamp);
difference = (((gfloat) (gint) diff) / (gfloat) GST_SECOND);
g_mutex_lock (&facedetector->priv->mutex);
if (difference > MIN_TIME) {
if (facedetector->priv->throw_frames <= MIN_FPS) {
facedetector->priv->qos_control = TRUE;
} else {
facedetector->priv->qos_control = FALSE;
facedetector->priv->throw_frames = 0;
}
} else {
facedetector->priv->qos_control = FALSE;
facedetector->priv->throw_frames = 0;
}
g_mutex_unlock (&facedetector->priv->mutex);
break;
}
default:
break;
}
return gst_pad_push_event (trans->sinkpad, event);
}
static gboolean
gst_visual_src_event (GstPad * pad, GstEvent * event)
{
GstVisual *visual;
gboolean res;
visual = GST_VISUAL (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
/* save stuff for the _chain function */
GST_OBJECT_LOCK (visual);
visual->proportion = proportion;
if (diff >= 0)
/* we're late, this is a good estimate for next displayable
* frame (see part-qos.txt) */
visual->earliest_time = timestamp + 2 * diff + visual->duration;
else
visual->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (visual);
res = gst_pad_push_event (visual->sinkpad, event);
break;
}
default:
res = gst_pad_push_event (visual->sinkpad, event);
break;
}
gst_object_unref (visual);
return res;
}
static gboolean
gst_monoscope_src_event (GstPad * pad, GstEvent * event)
{
GstMonoscope *monoscope;
gboolean res;
monoscope = GST_MONOSCOPE (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
/* save stuff for the _chain() function */
GST_OBJECT_LOCK (monoscope);
monoscope->proportion = proportion;
if (diff >= 0)
/* we're late, this is a good estimate for next displayable
* frame (see part-qos.txt) */
monoscope->earliest_time =
timestamp + 2 * diff + monoscope->frame_duration;
else
monoscope->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (monoscope);
res = gst_pad_push_event (monoscope->sinkpad, event);
break;
}
default:
res = gst_pad_push_event (monoscope->sinkpad, event);
break;
}
gst_object_unref (monoscope);
return res;
}
static gboolean
gst_goom_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res;
GstGoom *goom;
goom = GST_GOOM (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, NULL, &proportion, &diff, ×tamp);
/* save stuff for the _chain() function */
GST_OBJECT_LOCK (goom);
goom->proportion = proportion;
if (diff >= 0)
/* we're late, this is a good estimate for next displayable
* frame (see part-qos.txt) */
goom->earliest_time = timestamp + 2 * diff + goom->duration;
else
goom->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (goom);
res = gst_pad_push_event (goom->sinkpad, event);
break;
}
default:
res = gst_pad_push_event (goom->sinkpad, event);
break;
}
return res;
}
static gboolean
theora_dec_src_event (GstPad * pad, GstEvent * event)
{
gboolean res = TRUE;
GstTheoraDec *dec;
dec = GST_THEORA_DEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
{
GstFormat format, tformat;
gdouble rate;
GstEvent *real_seek;
GstSeekFlags flags;
GstSeekType cur_type, stop_type;
gint64 cur, stop;
gint64 tcur, tstop;
gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &cur,
&stop_type, &stop);
gst_event_unref (event);
/* we have to ask our peer to seek to time here as we know
* nothing about how to generate a granulepos from the src
* formats or anything.
*
* First bring the requested format to time
*/
tformat = GST_FORMAT_TIME;
if (!(res = theora_dec_src_convert (pad, format, cur, &tformat, &tcur)))
goto convert_error;
if (!(res = theora_dec_src_convert (pad, format, stop, &tformat, &tstop)))
goto convert_error;
/* then seek with time on the peer */
real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
flags, cur_type, tcur, stop_type, tstop);
res = gst_pad_push_event (dec->sinkpad, real_seek);
break;
}
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
/* we cannot randomly skip frame decoding since we don't have
* B frames. we can however use the timestamp and diff to not
* push late frames. This would at least save us the time to
* crop/memcpy the data. */
GST_OBJECT_LOCK (dec);
dec->proportion = proportion;
dec->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (dec);
GST_DEBUG_OBJECT (dec, "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
GST_TIME_ARGS (timestamp), diff);
res = gst_pad_push_event (dec->sinkpad, event);
break;
}
default:
res = gst_pad_push_event (dec->sinkpad, event);
break;
}
done:
gst_object_unref (dec);
return res;
/* ERRORS */
convert_error:
{
GST_DEBUG_OBJECT (dec, "could not convert format");
goto done;
}
}
static gboolean
gst_base_video_codec_src_event (GstPad * pad, GstEvent * event)
{
GstBaseVideoCodec *base_video_codec;
gboolean res = FALSE;
base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
{
GstFormat format, tformat;
gdouble rate;
GstEvent *real_seek;
GstSeekFlags flags;
GstSeekType cur_type, stop_type;
gint64 cur, stop;
gint64 tcur, tstop;
gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
&cur, &stop_type, &stop);
gst_event_unref (event);
tformat = GST_FORMAT_TIME;
res = gst_base_video_encoded_video_convert (&base_video_codec->state,
format, cur, &tformat, &tcur);
if (!res)
goto convert_error;
res = gst_base_video_encoded_video_convert (&base_video_codec->state,
format, stop, &tformat, &tstop);
if (!res)
goto convert_error;
real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
flags, cur_type, tcur, stop_type, tstop);
res = gst_pad_push_event (base_video_codec->sinkpad, real_seek);
break;
}
#if 0
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
GST_OBJECT_LOCK (base_video_codec);
base_video_codec->proportion = proportion;
base_video_codec->earliest_time = timestamp + diff;
GST_OBJECT_UNLOCK (base_video_codec);
GST_DEBUG_OBJECT (base_video_codec,
"got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
GST_TIME_ARGS (timestamp), diff);
res = gst_pad_push_event (base_video_codec->sinkpad, event);
break;
}
#endif
default:
res = gst_pad_push_event (base_video_codec->sinkpad, event);
break;
}
done:
gst_object_unref (base_video_codec);
return res;
convert_error:
GST_DEBUG_OBJECT (base_video_codec, "could not convert format");
goto done;
}
static gboolean
gst_base_video_decoder_src_event (GstPad * pad, GstEvent * event)
{
GstBaseVideoDecoder *base_video_decoder;
gboolean res = FALSE;
base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
{
GstFormat format, tformat;
gdouble rate;
GstEvent *real_seek;
GstSeekFlags flags;
GstSeekType cur_type, stop_type;
gint64 cur, stop;
gint64 tcur, tstop;
GST_DEBUG ("seek event");
gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
&cur, &stop_type, &stop);
gst_event_unref (event);
tformat = GST_FORMAT_TIME;
res =
gst_base_video_decoder_src_convert (pad, format, cur, &tformat,
&tcur);
if (!res)
goto convert_error;
res =
gst_base_video_decoder_src_convert (pad, format, stop, &tformat,
&tstop);
if (!res)
goto convert_error;
real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
flags, cur_type, tcur, stop_type, tstop);
res =
gst_pad_push_event (GST_BASE_VIDEO_DECODER_SINK_PAD
(base_video_decoder), real_seek);
break;
}
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
GstClockTime duration;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
GST_OBJECT_LOCK (base_video_decoder);
base_video_decoder->proportion = proportion;
if (G_LIKELY (GST_CLOCK_TIME_IS_VALID (timestamp))) {
if (G_UNLIKELY (diff > 0)) {
if (base_video_decoder->state.fps_n > 0)
duration =
gst_util_uint64_scale (GST_SECOND,
base_video_decoder->state.fps_d,
base_video_decoder->state.fps_n);
else
duration = 0;
base_video_decoder->earliest_time = timestamp + 2 * diff + duration;
} else {
base_video_decoder->earliest_time = timestamp + diff;
}
} else {
base_video_decoder->earliest_time = GST_CLOCK_TIME_NONE;
}
GST_OBJECT_UNLOCK (base_video_decoder);
GST_DEBUG_OBJECT (base_video_decoder,
"got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT ", %g",
GST_TIME_ARGS (timestamp), diff, proportion);
res =
gst_pad_push_event (GST_BASE_VIDEO_DECODER_SINK_PAD
(base_video_decoder), event);
break;
}
default:
res =
gst_pad_push_event (GST_BASE_VIDEO_DECODER_SINK_PAD
(base_video_decoder), event);
break;
}
done:
gst_object_unref (base_video_decoder);
return res;
convert_error:
GST_DEBUG_OBJECT (base_video_decoder, "could not convert format");
goto done;
}
static gboolean
gst_base_video_decoder_src_event (GstPad * pad, GstEvent * event)
{
GstBaseVideoDecoder *base_video_decoder;
gboolean res = FALSE;
base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
/* FIXME: do seek using bitrate incase upstream doesn't handle it */
res =
gst_pad_push_event (GST_BASE_VIDEO_DECODER_SINK_PAD
(base_video_decoder), event);
break;
case GST_EVENT_QOS:
{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
GstClockTime duration;
gst_event_parse_qos (event, &proportion, &diff, ×tamp);
GST_OBJECT_LOCK (base_video_decoder);
base_video_decoder->proportion = proportion;
if (G_LIKELY (GST_CLOCK_TIME_IS_VALID (timestamp))) {
if (G_UNLIKELY (diff > 0)) {
if (base_video_decoder->state.fps_n > 0)
duration =
gst_util_uint64_scale (GST_SECOND,
base_video_decoder->state.fps_d,
base_video_decoder->state.fps_n);
else
duration = 0;
base_video_decoder->earliest_time = timestamp + 2 * diff + duration;
} else {
base_video_decoder->earliest_time = timestamp + diff;
}
} else {
base_video_decoder->earliest_time = GST_CLOCK_TIME_NONE;
}
GST_OBJECT_UNLOCK (base_video_decoder);
GST_DEBUG_OBJECT (base_video_decoder,
"got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT ", %g",
GST_TIME_ARGS (timestamp), diff, proportion);
res =
gst_pad_push_event (GST_BASE_VIDEO_DECODER_SINK_PAD
(base_video_decoder), event);
break;
}
default:
res =
gst_pad_push_event (GST_BASE_VIDEO_DECODER_SINK_PAD
(base_video_decoder), event);
break;
}
gst_object_unref (base_video_decoder);
return res;
}
/* this function handles sink events */
static gboolean
gst_dwt_filter_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean ret;
GstDwtFilter *filter;
GstStructure *structure;
gchar *format;
int i;
filter = GST_DWTFILTER (parent);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
/* do something with the caps */
for (i = 0; i < gst_caps_get_size (caps); i++)
{
structure = gst_caps_get_structure (caps, i);
if(structure)
{
gst_structure_get_int(structure, "width", &filter->width);
gst_structure_get_int(structure, "height", &filter->height);
format = gst_structure_get_string(structure, "format");
g_print("width = %d height = %d format = %s\n", filter->width, filter->height, format);
//pAccum = malloc(4 * width * height * sizeof(long int));
//memset(pAccum, 0, 4 * width * height * sizeof(long int));
filter->pDWTBuffer = (double*) malloc(filter->width * filter->height * sizeof(double));
filter->pTmpBuffer = (double*) malloc(filter->width * filter->height * sizeof(double));
filter->pTmpBuffer2 = (double*) malloc(filter->width * filter->height * sizeof(double));
memset(filter->pDWTBuffer, 0, filter->width * filter->height * sizeof(double));
filter->work = gsl_wavelet_workspace_alloc (filter->width);
}
else
{
// g_print("structure = 0\n");
}
}
/* and forward */
ret = gst_pad_event_default (pad, parent, event);
break;
}
case GST_EVENT_QOS:
g_print("GST_EVENT_QOS\n");
GstQOSType type;
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &type, &proportion, &diff, ×tamp);
ret = gst_pad_event_default (pad, parent, event);
break;
default:
ret = gst_pad_event_default (pad, parent, event);
break;
}
return ret;
}
/* srcpad functions */
static gboolean
gst_stream_synchronizer_src_event (GstPad * pad, GstObject * parent,
GstEvent * event)
{
GstStreamSynchronizer *self = GST_STREAM_SYNCHRONIZER (parent);
GstPad *opad;
gboolean ret = FALSE;
GST_LOG_OBJECT (pad, "Handling event %s: %" GST_PTR_FORMAT,
GST_EVENT_TYPE_NAME (event), event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS:{
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gint64 running_time_diff = -1;
GstStream *stream;
gst_event_parse_qos (event, NULL, &proportion, &diff, ×tamp);
gst_event_unref (event);
GST_STREAM_SYNCHRONIZER_LOCK (self);
stream = gst_pad_get_element_private (pad);
if (stream)
running_time_diff = stream->segment.base;
GST_STREAM_SYNCHRONIZER_UNLOCK (self);
if (running_time_diff == -1) {
GST_WARNING_OBJECT (pad, "QOS event before group start");
goto out;
}
if (timestamp < running_time_diff) {
GST_DEBUG_OBJECT (pad, "QOS event from previous group");
goto out;
}
GST_LOG_OBJECT (pad,
"Adjusting QOS event: %" GST_TIME_FORMAT " - %" GST_TIME_FORMAT " = %"
GST_TIME_FORMAT, GST_TIME_ARGS (timestamp),
GST_TIME_ARGS (running_time_diff),
GST_TIME_ARGS (timestamp - running_time_diff));
timestamp -= running_time_diff;
/* That case is invalid for QoS events */
if (diff < 0 && -diff > timestamp) {
GST_DEBUG_OBJECT (pad, "QOS event from previous group");
ret = TRUE;
goto out;
}
event =
gst_event_new_qos (GST_QOS_TYPE_UNDERFLOW, proportion, diff,
timestamp);
break;
}
default:
break;
}
opad = gst_stream_get_other_pad_from_pad (self, pad);
if (opad) {
ret = gst_pad_push_event (opad, event);
gst_object_unref (opad);
}
out:
return ret;
}
static gboolean
gst_merger_event_srcv (GstPad * pad, GstObject * parent, GstEvent * event)
{
GstMerger *merger = GST_MERGER (parent);
gboolean ret;
GST_DEBUG_OBJECT (pad, "got source 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_DEBUG_OBJECT (pad, "event caps are %" GST_PTR_FORMAT, caps);
break;
}
case GST_EVENT_EOS:
process_eos (merger);
gst_event_unref (event);
ret = TRUE;
break;
case GST_EVENT_SEGMENT:
gst_event_copy_segment (event, &merger->s_segment);
GST_DEBUG_OBJECT (merger, "segment: %" GST_SEGMENT_FORMAT,
&merger->s_segment);
break;
case GST_EVENT_QOS:
{
GstQOSType type;
gdouble proportion;
GstClockTimeDiff diff;
GstClockTime timestamp;
gst_event_parse_qos (event, &type, &proportion, &diff, ×tamp);
if (type == GST_QOS_TYPE_UNDERFLOW) {
GST_INFO_OBJECT (pad,
"got QOS event UNDERFLOW proportion %f diff %" PRIu64 " ts %"
PRIu64, proportion, diff, timestamp);
GST_OBJECT_LOCK (merger);
gint num, den;
{
GstCaps *caps = gst_pad_get_current_caps (merger->srcv_pad);
GstStructure *s = gst_caps_get_structure (caps, 0);
gst_structure_get_fraction (s, "framerate", &num, &den);
gst_caps_unref (caps);
}
int nb_bufs = 0.5 + diff / (1e9 * den / num);
GST_WARNING_OBJECT (merger, "Discarding %d buffers", nb_bufs);
g_queue_pop_head (&merger->bufs_l);
g_queue_pop_head (&merger->bufs_r);
GST_OBJECT_UNLOCK (merger);
} else {
GST_WARNING_OBJECT (pad, "QOS type %d not implemented", type);
ret = gst_pad_event_default (pad, parent, event);
}
}
break;
default:
GST_INFO_OBJECT (pad, "got source event %s", GST_EVENT_TYPE_NAME (event));
ret = gst_pad_event_default (pad, parent, event);
break;
}
return ret;
}