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multipartdemux: add flow aggregation

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This commit is contained in:
Wim Taymans 2009-05-20 13:47:52 +02:00 committed by Wim Taymans
parent a5252aec08
commit 54afebf426
2 changed files with 34 additions and 0 deletions
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32
gst/multipart/multipartdemux.c
View file

@ -231,6 +231,36 @@ gst_multipart_demux_get_gstname (GstMultipartDemux * demux, gchar * mimetype)
return gstname;
}
static GstFlowReturn
gst_multipart_combine_flows (GstMultipartDemux * demux, GstMultipartPad * pad,
GstFlowReturn ret)
{
GSList *walk;
/* store the value */
pad->last_ret = ret;
/* any other error that is not-linked can be returned right
* away */
if (ret != GST_FLOW_NOT_LINKED)
goto done;
/* only return NOT_LINKED if all other pads returned NOT_LINKED */
for (walk = demux->srcpads; walk; walk = g_slist_next (walk)) {
GstMultipartPad *opad = (GstMultipartPad *) walk->data;
ret = opad->last_ret;
/* some other return value (must be SUCCESS but we can return
* other values as well) */
if (ret != GST_FLOW_NOT_LINKED)
goto done;
}
/* if we get here, all other pads were unlinked and we return
* NOT_LINKED then */
done:
return ret;
}
static GstMultipartPad *
gst_multipart_find_pad_by_mime (GstMultipartDemux * demux, gchar * mime,
gboolean * created)
@ -278,6 +308,7 @@ gst_multipart_find_pad_by_mime (GstMultipartDemux * demux, gchar * mime,
mppad->pad = pad;
mppad->mime = g_strdup (mime);
mppad->last_ret = GST_FLOW_OK;
demux->srcpads = g_slist_prepend (demux->srcpads, mppad);
demux->numpads++;
@ -535,6 +566,7 @@ gst_multipart_demux_chain (GstPad * pad, GstBuffer * buf)
GST_DEBUG_OBJECT (multipart, "buffer has caps %" GST_PTR_FORMAT,
GST_BUFFER_CAPS (outbuf));
res = gst_pad_push (srcpad->pad, outbuf);
res = gst_multipart_combine_flows (multipart, srcpad, res);
if (res != GST_FLOW_OK)
break;
}

2
gst/multipart/multipartdemux.h
View file

@ -50,6 +50,8 @@ typedef struct
GstPad *pad; /* reference for this pad is held by element we belong to */
gchar *mime;
GstFlowReturn last_ret;
}
GstMultipartPad;