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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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concat: adjust running time offsets on events
When concat adjusts the base of the segments it forwards downstream, it needs to also adjust the running time offsets, as GstPad does when an offset is set by the application on a pad. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/823>
This commit is contained in:
Mathieu Duponchelle
Tim-Philipp Müller
parent
96800c0b4a
commit
53c68d92d8
1 changed files with 57 additions and 51 deletions
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@ -522,28 +522,28 @@ gst_concat_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
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GstConcat *self = GST_CONCAT (parent);
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GstConcatPad *spad = GST_CONCAT_PAD_CAST (pad);
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gboolean ret = TRUE;
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gboolean adjust_base;
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GST_LOG_OBJECT (pad, "received event %" GST_PTR_FORMAT, event);
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g_mutex_lock (&self->lock);
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adjust_base = self->adjust_base;
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g_mutex_unlock (&self->lock);
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_STREAM_START:{
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if (!gst_concat_pad_wait (spad, self)) {
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ret = FALSE;
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gst_event_unref (event);
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} else {
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ret = gst_pad_event_default (pad, parent, event);
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gst_event_replace (&event, NULL);
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}
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break;
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}
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case GST_EVENT_SEGMENT:{
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gboolean adjust_base;
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/* Drop segment event, we create our own one */
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gst_event_copy_segment (event, &spad->segment);
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gst_event_unref (event);
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gst_event_replace (&event, NULL);
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g_mutex_lock (&self->lock);
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adjust_base = self->adjust_base;
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if (self->format == GST_FORMAT_UNDEFINED) {
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if (spad->segment.format != GST_FORMAT_TIME
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&& spad->segment.format != GST_FORMAT_BYTES) {
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@ -572,7 +572,6 @@ gst_concat_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
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ret = FALSE;
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} else {
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GstSegment segment = spad->segment;
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GstEvent *topush;
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g_mutex_lock (&self->lock);
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@ -606,17 +605,15 @@ gst_concat_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
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}
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}
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}
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topush = gst_event_new_segment (&segment);
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gst_event_set_seqnum (topush, gst_event_get_seqnum (event));
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event = gst_event_new_segment (&segment);
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gst_event_set_seqnum (event, gst_event_get_seqnum (event));
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g_mutex_unlock (&self->lock);
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gst_pad_push_event (self->srcpad, topush);
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}
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break;
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}
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case GST_EVENT_EOS:{
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gst_event_unref (event);
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gst_event_replace (&event, NULL);
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if (!gst_concat_pad_wait (spad, self)) {
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ret = FALSE;
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@ -631,7 +628,7 @@ gst_concat_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
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gst_concat_notify_active_pad (self);
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if (!next) {
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gst_pad_push_event (self->srcpad, gst_event_new_eos ());
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event = gst_event_new_eos ();
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} else {
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gst_element_post_message (GST_ELEMENT_CAST (self),
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gst_message_new_duration_changed (GST_OBJECT_CAST (self)));
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@ -650,10 +647,8 @@ gst_concat_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
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forward = TRUE;
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g_mutex_unlock (&self->lock);
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if (forward)
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ret = gst_pad_event_default (pad, parent, event);
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else
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gst_event_unref (event);
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if (!forward)
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gst_event_replace (&event, NULL);
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break;
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}
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case GST_EVENT_FLUSH_STOP:{
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@ -678,24 +673,36 @@ gst_concat_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
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self->current_start_offset = 0;
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self->last_stop = GST_CLOCK_TIME_NONE;
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}
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ret = gst_pad_event_default (pad, parent, event);
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} else {
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gst_event_unref (event);
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gst_event_replace (&event, NULL);
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}
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break;
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}
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default:{
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/* Wait for other serialized events before forwarding */
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if (GST_EVENT_IS_SERIALIZED (event) && !gst_concat_pad_wait (spad, self)) {
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gst_event_unref (event);
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gst_event_replace (&event, NULL);
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ret = FALSE;
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} else {
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ret = gst_pad_event_default (pad, parent, event);
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}
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break;
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}
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}
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if (event) {
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g_mutex_lock (&self->lock);
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if (self->adjust_base && self->format == GST_FORMAT_TIME) {
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gint64 offset;
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event = gst_event_make_writable (event);
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offset = gst_event_get_running_time_offset (event);
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offset += self->current_start_offset;
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gst_event_set_running_time_offset (event, offset);
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}
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g_mutex_unlock (&self->lock);
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ret = gst_pad_event_default (pad, parent, event);
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}
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return ret;
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}
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@ -727,13 +734,12 @@ gst_concat_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
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{
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GstConcat *self = GST_CONCAT (parent);
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gboolean ret = TRUE;
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GstPad *sinkpad = NULL;
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GST_LOG_OBJECT (pad, "received event %" GST_PTR_FORMAT, event);
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_SEEK:{
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GstPad *sinkpad = NULL;
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g_mutex_lock (&self->lock);
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if ((sinkpad = self->current_sinkpad))
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gst_object_ref (sinkpad);
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@ -742,20 +748,13 @@ gst_concat_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
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sinkpad = gst_object_ref (self->sinkpads->data);
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}
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g_mutex_unlock (&self->lock);
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if (sinkpad) {
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ret = gst_pad_push_event (sinkpad, event);
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gst_object_unref (sinkpad);
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} else {
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gst_event_unref (event);
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if (!sinkpad) {
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gst_event_replace (&event, NULL);
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ret = FALSE;
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}
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break;
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}
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case GST_EVENT_QOS:{
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GstQOSType type;
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GstClockTimeDiff diff;
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GstClockTime timestamp;
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gdouble proportion;
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GstPad *sinkpad = NULL;
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g_mutex_lock (&self->lock);
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@ -763,21 +762,9 @@ gst_concat_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
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gst_object_ref (sinkpad);
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g_mutex_unlock (&self->lock);
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if (sinkpad) {
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gst_event_parse_qos (event, &type, &proportion, &diff, ×tamp);
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gst_event_unref (event);
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if (timestamp != GST_CLOCK_TIME_NONE
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&& timestamp > self->current_start_offset) {
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timestamp -= self->current_start_offset;
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event = gst_event_new_qos (type, proportion, diff, timestamp);
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ret = gst_pad_push_event (self->current_sinkpad, event);
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} else {
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ret = FALSE;
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}
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gst_object_unref (sinkpad);
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} else {
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gst_event_unref (event);
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if (!sinkpad) {
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gst_event_replace (&event, NULL);
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ret = FALSE;
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}
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break;
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@ -791,15 +778,34 @@ gst_concat_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
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"resetting start offset to 0 after flushing with reset_time = TRUE");
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self->current_start_offset = 0;
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}
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ret = gst_pad_event_default (pad, parent, event);
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break;
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}
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default:
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ret = gst_pad_event_default (pad, parent, event);
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break;
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}
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if (event) {
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g_mutex_lock (&self->lock);
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if (self->adjust_base && self->format == GST_FORMAT_TIME) {
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gint64 offset;
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event = gst_event_make_writable (event);
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offset = gst_event_get_running_time_offset (event);
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offset -= self->current_start_offset;
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gst_event_set_running_time_offset (event, offset);
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}
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g_mutex_unlock (&self->lock);
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if (sinkpad)
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ret = gst_pad_push_event (sinkpad, event);
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else
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ret = gst_pad_event_default (pad, parent, event);
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}
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if (sinkpad)
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gst_object_unref (sinkpad);
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return ret;
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}
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