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resindvd: Add gst_base_src_new_seamless_segment() to GstBaseSrc copy

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Add a new function to the internal copy of GstBaseSrc for starting a new
seamless segment.
This commit is contained in:
Jan Schmidt 2009-11-01 23:16:18 +01:00
parent 3e72e7b48b
commit d0e4331648
2 changed files with 64 additions and 0 deletions
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63
ext/resindvd/rsnbasesrc.c
View file

@ -569,6 +569,69 @@ gst_base_src_get_do_timestamp (RsnBaseSrc * src)
return res;
}
/**
* gst_base_src_new_seamless_segment:
* @src: The source
* @start: The new start value for the segment
* @stop: Stop value for the new segment
* @position: The position value for the new segent
*
* Prepare a new seamless segment for emission downstream. This function must
* only be called by derived sub-classes, and only from the create() function,
* as the stream-lock needs to be held.
*
* The format for the new segment will be the current format of the source, as
* configured with gst_base_src_set_format()
*
* Returns: %TRUE if preparation of the seamless segment succeeded.
*
* Since: 0.10.26
*/
gboolean
gst_base_src_new_seamless_segment (RsnBaseSrc * src, gint64 start, gint64 stop,
gint64 position)
{
gboolean res = TRUE;
GST_DEBUG_OBJECT (src,
"Starting new seamless segment. Start %" GST_TIME_FORMAT " stop %"
GST_TIME_FORMAT " position %" GST_TIME_FORMAT, GST_TIME_ARGS (start),
GST_TIME_ARGS (stop), GST_TIME_ARGS (position));
if (src->data.ABI.running) {
if (src->priv->close_segment)
gst_event_unref (src->priv->close_segment);
src->priv->close_segment =
gst_event_new_new_segment_full (TRUE,
src->segment.rate, src->segment.applied_rate, src->segment.format,
src->segment.start, src->segment.last_stop, src->segment.time);
}
gst_segment_set_newsegment_full (&src->segment, FALSE, src->segment.rate,
src->segment.applied_rate, src->segment.format, start, stop, position);
if (src->priv->start_segment)
gst_event_unref (src->priv->start_segment);
if (src->segment.rate >= 0.0) {
/* forward, we send data from last_stop to stop */
src->priv->start_segment =
gst_event_new_new_segment_full (FALSE,
src->segment.rate, src->segment.applied_rate, src->segment.format,
src->segment.last_stop, stop, src->segment.time);
} else {
/* reverse, we send data from last_stop to start */
src->priv->start_segment =
gst_event_new_new_segment_full (FALSE,
src->segment.rate, src->segment.applied_rate, src->segment.format,
src->segment.start, src->segment.last_stop, src->segment.time);
}
src->priv->discont = TRUE;
src->data.ABI.running = TRUE;
return res;
}
static gboolean
gst_base_src_setcaps (GstPad * pad, GstCaps * caps)
{

1
ext/resindvd/rsnbasesrc.h
View file

@ -254,6 +254,7 @@ gulong gst_base_src_get_blocksize (RsnBaseSrc *src);
void gst_base_src_set_do_timestamp (RsnBaseSrc *src, gboolean timestamp);
gboolean gst_base_src_get_do_timestamp (RsnBaseSrc *src);
gboolean gst_base_src_new_seamless_segment (RsnBaseSrc *src, gint64 start, gint64 stop, gint64 position);
G_END_DECLS
#endif /* __RSN_BASE_SRC_H__ */