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mpegtspacketizer: Speed up NIT parsing

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Avoid duplicating the delivery structure, and instead give it to the
receiving container.
This commit is contained in:
Edward Hervey 2013-06-19 19:29:27 +02:00
parent 40bcf48b0c
commit c0ce94dbf2
1 changed files with 10 additions and 11 deletions
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21
gst/mpegtsdemux/mpegtspacketizer.c
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@ -1078,6 +1078,7 @@ mpegts_packetizer_parse_nit (MpegTSPacketizer2 * packetizer,
guint16 descriptors_loop_length, transport_stream_loop_length;
GValue transports = { 0 };
GValue transport_value = { 0 };
GValue tmpval = G_VALUE_INIT;
GValueArray *descriptors = NULL;
GST_DEBUG ("NIT");
@ -1312,8 +1313,9 @@ mpegts_packetizer_parse_nit (MpegTSPacketizer2 * packetizer,
"polarization", G_TYPE_STRING, polarization_str,
"symbol-rate", G_TYPE_UINT, symbol_rate,
"inner-fec", G_TYPE_STRING, fec_inner_str, NULL);
gst_structure_id_set (transport, QUARK_DELIVERY, GST_TYPE_STRUCTURE,
delivery_structure, NULL);
g_value_init (&tmpval, GST_TYPE_STRUCTURE);
g_value_take_boxed (&tmpval, delivery_structure);
gst_structure_id_take_value (transport, QUARK_DELIVERY, &tmpval);
} else if ((delivery = gst_mpeg_descriptor_find (&mpegdescriptor,
DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM))) {
@ -1440,8 +1442,9 @@ mpegts_packetizer_parse_nit (MpegTSPacketizer2 * packetizer,
QUARK_GUARD_INTERVAL, G_TYPE_UINT, guard_interval,
QUARK_TRANSMISSION_MODE, G_TYPE_STRING, transmission_mode_str,
QUARK_OTHER_FREQUENCY, G_TYPE_BOOLEAN, other_frequency, NULL);
gst_structure_id_set (transport, QUARK_DELIVERY, GST_TYPE_STRUCTURE,
delivery_structure, NULL);
g_value_init (&tmpval, GST_TYPE_STRUCTURE);
g_value_take_boxed (&tmpval, delivery_structure);
gst_structure_id_take_value (transport, QUARK_DELIVERY, &tmpval);
} else if ((delivery = gst_mpeg_descriptor_find (&mpegdescriptor,
DESC_DVB_CABLE_DELIVERY_SYSTEM))) {
@ -1529,13 +1532,9 @@ mpegts_packetizer_parse_nit (MpegTSPacketizer2 * packetizer,
QUARK_FREQUENCY, G_TYPE_UINT, frequency,
QUARK_SYMBOL_RATE, G_TYPE_UINT, symbol_rate,
QUARK_INNER_FEC, G_TYPE_STRING, fec_inner_str, NULL);
gst_structure_id_set (transport, QUARK_DELIVERY, GST_TYPE_STRUCTURE,
delivery_structure, NULL);
}
/* free the temporary delivery structure */
if (delivery_structure != NULL) {
gst_structure_free (delivery_structure);
delivery_structure = NULL;
g_value_init (&tmpval, GST_TYPE_STRUCTURE);
g_value_take_boxed (&tmpval, delivery_structure);
gst_structure_id_take_value (transport, QUARK_DELIVERY, &tmpval);
}
if ((delivery = gst_mpeg_descriptor_find (&mpegdescriptor,
DESC_DTG_LOGICAL_CHANNEL))) {