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mpegts: table dispatch - another optimization

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This commit is contained in:
Jaroslav Kysela 2014-07-13 09:40:51 +02:00
parent 4a43a508db
commit adeafeb870
1 changed files with 6 additions and 10 deletions
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16
src/input/mpegts/mpegts_input.c
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@ -542,27 +542,23 @@ mpegts_input_recv_packets
static void
mpegts_input_table_dispatch ( mpegts_mux_t *mm, const uint8_t *tsb )
{
int i = 0, len, err = 0;
int i, len = 0;
uint16_t pid = ((tsb[1] & 0x1f) << 8) | tsb[2];
uint8_t cc = (tsb[3] & 0x0f);
mpegts_table_t *mt, **vec;
/* Collate - tables may be removed during callbacks */
pthread_mutex_lock(&mm->mm_tables_lock);
len = mm->mm_num_tables;
i = mm->mm_num_tables;
vec = alloca(len * sizeof(mpegts_table_t *));
LIST_FOREACH(mt, &mm->mm_tables, mt_link) {
if (mt->mt_destroyed || !mt->mt_subscribed)
continue;
mpegts_table_grab(mt);
if (i < len)
vec[i++] = mt;
else
err++;
if (len < i)
vec[len++] = mt;
}
pthread_mutex_unlock(&mm->mm_tables_lock);
if (i != len) {
tvherror("psi", "tables count inconsistency (num %d, list %d)", len, i + err);
len = i;
}
/* Process */
for (i = 0; i < len; i++) {