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multipartdemux: allow content to be empty.

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gst_adapter_take_buffer doesn't allow buffer to be empty.
Simply skip any part where the content is empty.  Don't
create a pad for it either.
See #582169
This commit is contained in:
Arnout Vandecappelle 2009-05-20 13:29:02 +02:00 committed by Wim Taymans
parent d7fd42999e
commit a5252aec08
1 changed files with 29 additions and 22 deletions
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51
gst/multipart/multipartdemux.c
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@ -502,35 +502,42 @@ gst_multipart_demux_chain (GstPad * pad, GstBuffer * buf)
if ((size = multipart_find_boundary (multipart, &datalen)) < 0) {
goto nodata;
}
srcpad =
gst_multipart_find_pad_by_mime (multipart,
multipart->mime_type, &created);
outbuf = gst_adapter_take_buffer (adapter, datalen);
gst_adapter_flush (adapter, size - datalen);
/* Invalidate header info */
multipart->header_completed = FALSE;
multipart->content_length = -1;
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (srcpad->pad));
if (created) {
GstEvent *event;
/* Push new segment, first buffer has 0 timestamp */
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
gst_pad_push_event (srcpad->pad, event);
GST_BUFFER_TIMESTAMP (outbuf) = 0;
if (G_UNLIKELY (datalen <= 0)) {
GST_DEBUG_OBJECT (multipart, "skipping empty content.");
gst_adapter_flush (adapter, size - datalen);
} else {
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
srcpad =
gst_multipart_find_pad_by_mime (multipart,
multipart->mime_type, &created);
outbuf = gst_adapter_take_buffer (adapter, datalen);
gst_adapter_flush (adapter, size - datalen);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (srcpad->pad));
if (created) {
GstEvent *event;
/* Push new segment, first buffer has 0 timestamp */
event =
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
gst_pad_push_event (srcpad->pad, event);
GST_BUFFER_TIMESTAMP (outbuf) = 0;
} else {
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
}
GST_DEBUG_OBJECT (multipart,
"pushing buffer with timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)));
GST_DEBUG_OBJECT (multipart, "buffer has caps %" GST_PTR_FORMAT,
GST_BUFFER_CAPS (outbuf));
res = gst_pad_push (srcpad->pad, outbuf);
if (res != GST_FLOW_OK)
break;
}
GST_DEBUG_OBJECT (multipart,
"pushing buffer with timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)));
GST_DEBUG_OBJECT (multipart, "buffer has caps %" GST_PTR_FORMAT,
GST_BUFFER_CAPS (outbuf));
res = gst_pad_push (srcpad->pad, outbuf);
if (res != GST_FLOW_OK)
break;
}
nodata: