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pad: add methods to adjust the offset

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Add methods to adjust the offset. This will be used to change the segment events
with an offset so that we can tweak the timing of the stream on a per-pad base.
This commit is contained in:
Wim Taymans 2011-05-19 16:26:06 +02:00
parent 9c4ce4ae16
commit c8340e7762
2 changed files with 49 additions and 0 deletions
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42
gst/gstpad.c
View file

@ -3584,6 +3584,48 @@ flushing:
}
}
/* pad offsets */
/**
* gst_pad_get_offset:
* @pad: a #GstPad
*
* Get the offset applied to the running time of @pad.
*
* Returns: the offset.
*/
gint64
gst_pad_get_offset (GstPad * pad)
{
gint64 result;
g_return_val_if_fail (GST_IS_PAD (pad), 0);
GST_OBJECT_LOCK (pad);
result = pad->offset;
GST_OBJECT_UNLOCK (pad);
return result;
}
/**
* gst_pad_set_offset:
* @pad: a #GstPad
* @offset: the offset
*
* Set the offset that will be applied to the running time of @pad.
*/
void
gst_pad_set_offset (GstPad * pad, gint64 offset)
{
g_return_if_fail (GST_IS_PAD (pad));
GST_OBJECT_LOCK (pad);
pad->offset = offset;
GST_OBJECT_UNLOCK (pad);
}
/**********************************************************************
* Data passing functions
*/

7
gst/gstpad.h
View file

@ -630,6 +630,9 @@ struct _GstPad {
GstPadGetRangeFunction getrangefunc;
GstPadEventFunction eventfunc;
/* pad offset */
gint64 offset;
/* generic query method */
GstPadQueryTypeFunction querytypefunc;
GstPadQueryFunction queryfunc;
@ -865,6 +868,10 @@ gboolean gst_pad_peer_accept_caps (GstPad * pad, GstCaps *caps);
GstCaps * gst_pad_get_allowed_caps (GstPad * pad);
GstCaps * gst_pad_get_negotiated_caps (GstPad * pad);
/* pad offsets */
gint64 gst_pad_get_offset (GstPad *pad);
void gst_pad_set_offset (GstPad *pad, gint64 offset);
/* data passing functions to peer */
GstFlowReturn gst_pad_push (GstPad *pad, GstBuffer *buffer);
GstFlowReturn gst_pad_push_list (GstPad *pad, GstBufferList *list);