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mpegtsparse: Specify that psi table is static const.

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This avoids re-allocating it every single time we go into it.
Roughly 10% performance boost in overall tsparse processing time.
This commit is contained in:
Edward Hervey 2009-09-21 12:06:55 +02:00
parent bf34bdd3ab
commit 4ceb3c5678
1 changed files with 6 additions and 5 deletions
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11
gst/mpegdemux/mpegtsparse.c
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@ -861,11 +861,12 @@ mpegts_parse_is_psi (MpegTSParse * parse, MpegTSPacketizerPacket * packet)
gboolean retval = FALSE;
guint8 table_id;
int i;
guint8 si_tables[] = { 0x00, 0x01, 0x02, 0x03, 0x40, 0x41, 0x42, 0x46, 0x4A,
0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65,
0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71,
0x72, 0x73, 0x7E, 0x7F, TABLE_ID_UNSET
static const guint8 si_tables[] =
{ 0x00, 0x01, 0x02, 0x03, 0x40, 0x41, 0x42, 0x46, 0x4A, 0x4E, 0x4F, 0x50,
0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C,
0x5D, 0x5E, 0x5F, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x7E,
0x7F, TABLE_ID_UNSET
};
if (g_hash_table_lookup (parse->psi_pids,
GINT_TO_POINTER ((gint) packet->pid)) != NULL)