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ivtc: drop early fields

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This commit is contained in:
David Schleef 2013-03-08 17:02:14 -08:00
parent 91310bd4c5
commit cac6b94922
1 changed files with 16 additions and 2 deletions
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18
gst/ivtc/gstivtc.c
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@ -329,6 +329,8 @@ gst_ivtc_fixate_caps (GstBaseTransform * trans,
gst_caps_set_simple (result, "framerate", GST_TYPE_FRACTION, 24, 1, NULL);
}
result = gst_caps_fixate (result);
return result;
}
@ -392,8 +394,9 @@ gst_ivtc_transform_size (GstBaseTransform * trans,
GstPadDirection direction,
GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize)
{
*othersize = size;
return FALSE;
return TRUE;
}
static gboolean
@ -618,6 +621,9 @@ gst_ivtc_retire_fields (GstIvtc * ivtc, int n_fields)
{
int i;
if (n_fields == 0)
return;
for (i = 0; i < n_fields; i++) {
gst_video_frame_unmap (&ivtc->fields[i].frame);
gst_buffer_unref (ivtc->fields[i].buffer);
@ -653,6 +659,12 @@ gst_ivtc_transform (GstBaseTransform * trans, GstBuffer * inbuf,
}
}
while (ivtc->n_fields > 0 &&
ivtc->fields[0].ts + GST_MSECOND * 50 < ivtc->current_ts) {
GST_DEBUG ("retiring early field");
gst_ivtc_retire_fields (ivtc, 1);
}
GST_DEBUG ("n_fields %d", ivtc->n_fields);
if (ivtc->n_fields < 4) {
return GST_BASE_TRANSFORM_FLOW_DROPPED;
@ -662,9 +674,11 @@ gst_ivtc_transform (GstBaseTransform * trans, GstBuffer * inbuf,
while (ivtc->n_fields >= 4) {
GstBuffer *buf;
buf = gst_buffer_copy (outbuf);
GST_DEBUG ("pushing extra frame");
ret = gst_pad_push (GST_BASE_TRANSFORM_SRC_PAD (trans), buf);
if (ret != GST_FLOW_OK)
if (ret != GST_FLOW_OK) {
return ret;
}
gst_ivtc_construct_frame (ivtc, outbuf);
}