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mpegtspacketizer: Speedup TDT/TOT parsing

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Use quarks where needed, makes it 2.5 times faster
This commit is contained in:
Edward Hervey 2013-06-05 13:39:14 +02:00
parent 824f08d1d8
commit 877019ae00
1 changed files with 15 additions and 9 deletions
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24
gst/mpegtsdemux/mpegtspacketizer.c
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@ -109,6 +109,9 @@ static GQuark QUARK_DURATION;
static GQuark QUARK_RUNNING_STATUS;
static GQuark QUARK_FREE_CA_MODE;
static GQuark QUARK_TDT;
static GQuark QUARK_TOT;
#define MAX_KNOWN_ICONV 25
/* All these conversions will be to UTF8 */
typedef enum
@ -2352,7 +2355,7 @@ error:
static GstStructure *
parse_tdt_tot_common (MpegTSPacketizer2 * packetizer,
MpegTSPacketizerSection * section, const gchar * name)
MpegTSPacketizerSection * section, GQuark name)
{
GstStructure *res;
guint16 mjd;
@ -2391,12 +2394,13 @@ parse_tdt_tot_common (MpegTSPacketizer2 * packetizer,
minute = ((utc_ptr[1] & 0xF0) >> 4) * 10 + (utc_ptr[1] & 0x0F);
second = ((utc_ptr[2] & 0xF0) >> 4) * 10 + (utc_ptr[2] & 0x0F);
}
res = gst_structure_new (name,
"year", G_TYPE_UINT, year,
"month", G_TYPE_UINT, month,
"day", G_TYPE_UINT, day,
"hour", G_TYPE_UINT, hour,
"minute", G_TYPE_UINT, minute, "second", G_TYPE_UINT, second, NULL);
res = gst_structure_new_id (name,
QUARK_YEAR, G_TYPE_UINT, year,
QUARK_MONTH, G_TYPE_UINT, month,
QUARK_DAY, G_TYPE_UINT, day,
QUARK_HOUR, G_TYPE_UINT, hour,
QUARK_MINUTE, G_TYPE_UINT, minute, QUARK_SECOND, G_TYPE_UINT, second,
NULL);
return res;
}
@ -2408,7 +2412,7 @@ mpegts_packetizer_parse_tdt (MpegTSPacketizer2 * packetizer,
GstStructure *tdt = NULL;
GST_DEBUG ("TDT");
tdt = parse_tdt_tot_common (packetizer, section, "tdt");
tdt = parse_tdt_tot_common (packetizer, section, QUARK_TDT);
return tdt;
}
@ -2424,7 +2428,7 @@ mpegts_packetizer_parse_tot (MpegTSPacketizer2 * packetizer,
GST_DEBUG ("TOT");
tot = parse_tdt_tot_common (packetizer, section, "tot");
tot = parse_tdt_tot_common (packetizer, section, QUARK_TOT);
data = section->data + 8;
desc_len = ((*data++) & 0xf) << 8;
@ -2957,6 +2961,8 @@ _init_local (void)
QUARK_DURATION = g_quark_from_string ("duration");
QUARK_RUNNING_STATUS = g_quark_from_string ("running-status");
QUARK_FREE_CA_MODE = g_quark_from_string ("free-ca-mode");
QUARK_TDT = g_quark_from_string ("tdt");
QUARK_TOT = g_quark_from_string ("tot");
}
/**