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mxfmux: Don't copy input buffers, just append them to the header

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This commit is contained in:
Sebastian Dröge 2015-12-04 18:05:58 +02:00
parent 821320fbc4
commit 2ab188bf29
1 changed files with 10 additions and 14 deletions
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24
gst/mxf/mxfmux.c
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@ -1118,9 +1118,8 @@ gst_mxf_mux_handle_buffer (GstMXFMux * mux, GstMXFMuxPad * pad)
{
GstBuffer *buf = gst_aggregator_pad_get_buffer (GST_AGGREGATOR_PAD (pad));
GstBuffer *outbuf = NULL;
GstBuffer *packet;
GstMapInfo map;
GstMapInfo readmap;
gsize buf_size;
GstFlowReturn ret = GST_FLOW_OK;
guint8 slen, ber[9];
gboolean flush = gst_aggregator_pad_is_eos (GST_AGGREGATOR_PAD (pad))
@ -1170,24 +1169,21 @@ gst_mxf_mux_handle_buffer (GstMXFMux * mux, GstMXFMuxPad * pad)
if (buf == NULL)
return ret;
gst_buffer_map (buf, &readmap, GST_MAP_READ);
slen = mxf_ber_encode_size (readmap.size, ber);
packet = gst_buffer_new_and_alloc (16 + slen + readmap.size);
gst_buffer_map (packet, &map, GST_MAP_WRITE);
buf_size = gst_buffer_get_size (buf);
slen = mxf_ber_encode_size (buf_size, ber);
outbuf = gst_buffer_new_and_alloc (16 + slen);
gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
memcpy (map.data, _gc_essence_element_ul, 16);
GST_WRITE_UINT32_BE (map.data + 12, pad->source_track->parent.track_number);
memcpy (map.data + 16, ber, slen);
memcpy (map.data + 16 + slen, readmap.data, readmap.size);
gst_buffer_unmap (buf, &readmap);
gst_buffer_unref (buf);
gst_buffer_unmap (outbuf, &map);
outbuf = gst_buffer_append (outbuf, buf);
GST_DEBUG_OBJECT (pad,
"Pushing buffer of size %" G_GSIZE_FORMAT " for track %u", map.size,
pad->source_track->parent.track_id);
gst_buffer_unmap (packet, &map);
"Pushing buffer of size %" G_GSIZE_FORMAT " for track %u",
gst_buffer_get_size (outbuf), pad->source_track->parent.track_id);
if ((ret = gst_mxf_mux_push (mux, packet)) != GST_FLOW_OK) {
if ((ret = gst_mxf_mux_push (mux, outbuf)) != GST_FLOW_OK) {
GST_ERROR_OBJECT (pad,
"Failed pushing buffer for track %u, reason %s",
pad->source_track->parent.track_id, gst_flow_get_name (ret));