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deinterlace: Ensure DISCONT flag is properly propagated

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The output of deinterlace at startup, or when receiving a new DISCONT
buffer, should have the DISCONT flag set on the first buffer.
This commit is contained in:
Edward Hervey 2016-05-20 15:22:35 +02:00 committed by Sebastian Dröge
parent b7866315a6
commit 1d2db2ba4f
2 changed files with 12 additions and 0 deletions
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11
gst/deinterlace/gstdeinterlace.c
View file

@ -832,6 +832,8 @@ gst_deinterlace_reset (GstDeinterlace * self)
self->need_more = FALSE;
self->have_eos = FALSE;
self->discont = TRUE;
gst_deinterlace_set_allocation (self, NULL, NULL, NULL);
}
@ -1638,6 +1640,10 @@ restart:
GST_TIME_ARGS (GST_BUFFER_DURATION (field1_buffer)),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (field1_buffer) +
GST_BUFFER_DURATION (field1_buffer)));
if (self->discont) {
GST_BUFFER_FLAG_SET (field1_buffer, GST_BUFFER_FLAG_DISCONT);
self->discont = FALSE;
}
return gst_pad_push (self->srcpad, field1_buffer);
} else if (IS_TELECINE (interlacing_mode)
&& GST_VIDEO_FRAME_IS_INTERLACED (field1->frame) && !same_buffer) {
@ -1805,6 +1811,10 @@ restart:
GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf) +
GST_BUFFER_DURATION (outbuf)));
if (self->discont) {
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
self->discont = FALSE;
}
ret = gst_pad_push (self->srcpad, outbuf);
} else {
ret = GST_FLOW_OK;
@ -2067,6 +2077,7 @@ gst_deinterlace_chain (GstPad * pad, GstObject * parent, GstBuffer * 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, FALSE);
self->discont = TRUE;
}
gst_deinterlace_push_history (self, buf);

1
gst/deinterlace/gstdeinterlace.h
View file

@ -141,6 +141,7 @@ struct _GstDeinterlace
GstAllocationParams params;
gboolean passthrough;
gboolean discont;
GstClockTime field_duration; /* Duration of one field */