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deinterlace: Refactor chain function

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This is needed to be able to output a frame from outside the chain
function, i.e. in the following commit that adds flushing of the field
history.
This commit is contained in:
Robert Swain 2010-11-05 15:44:35 +01:00 committed by Tim-Philipp Müller
parent 3eb02097f9
commit 5a56274cba
1 changed files with 37 additions and 30 deletions
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67
gst/deinterlace/gstdeinterlace.c
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@ -941,41 +941,13 @@ gst_deinterlace_do_qos (GstDeinterlace * self, GstClockTime timestamp)
}
static GstFlowReturn
gst_deinterlace_chain (GstPad * pad, GstBuffer * buf)
gst_deinterlace_output_frame (GstDeinterlace * self)
{
GstDeinterlace *self = GST_DEINTERLACE (GST_PAD_PARENT (pad));
GstClockTime timestamp;
GstFlowReturn ret = GST_FLOW_OK;
gint fields_required = 0;
gint cur_field_idx = 0;
GstBuffer *outbuf;
GST_OBJECT_LOCK (self);
if (self->reconfigure) {
if (self->new_fields != -1)
self->fields = self->new_fields;
if (self->new_mode != -1)
self->mode = self->new_mode;
self->new_mode = self->new_fields = -1;
self->reconfigure = FALSE;
GST_OBJECT_UNLOCK (self);
if (GST_PAD_CAPS (self->srcpad))
gst_deinterlace_setcaps (self->sinkpad, GST_PAD_CAPS (self->sinkpad));
} else {
GST_OBJECT_UNLOCK (self);
}
if (self->still_frame_mode || self->passthrough)
return gst_pad_push (self->srcpad, buf);
if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT)) {
GST_DEBUG_OBJECT (self, "DISCONT buffer, resetting history");
gst_deinterlace_reset_history (self);
}
gst_deinterlace_push_history (self, buf);
buf = NULL;
GstBuffer *buf, *outbuf;
fields_required = gst_deinterlace_method_get_fields_required (self->method);
@ -1151,6 +1123,41 @@ gst_deinterlace_chain (GstPad * pad, GstBuffer * buf)
return ret;
}
static GstFlowReturn
gst_deinterlace_chain (GstPad * pad, GstBuffer * buf)
{
GstDeinterlace *self = GST_DEINTERLACE (GST_PAD_PARENT (pad));
GST_OBJECT_LOCK (self);
if (self->reconfigure) {
if (self->new_fields != -1)
self->fields = self->new_fields;
if (self->new_mode != -1)
self->mode = self->new_mode;
self->new_mode = self->new_fields = -1;
self->reconfigure = FALSE;
GST_OBJECT_UNLOCK (self);
if (GST_PAD_CAPS (self->srcpad))
gst_deinterlace_setcaps (self->sinkpad, GST_PAD_CAPS (self->sinkpad));
} else {
GST_OBJECT_UNLOCK (self);
}
if (self->still_frame_mode || self->passthrough)
return gst_pad_push (self->srcpad, buf);
if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT)) {
GST_DEBUG_OBJECT (self, "DISCONT buffer, resetting history");
gst_deinterlace_reset_history (self);
}
gst_deinterlace_push_history (self, buf);
buf = NULL;
return gst_deinterlace_output_frame (self);
}
static gint
gst_greatest_common_divisor (gint a, gint b)
{