static void
recover_pts(tsfix_t *tf, tfstream_t *tfs, th_pkt_t *pkt)
{
th_pktref_t *pr, *srch;
pktref_enqueue(&tf->tf_ptsq, pkt);
while((pr = TAILQ_FIRST(&tf->tf_ptsq)) != NULL) {
pkt = pr->pr_pkt;
tfs = tfs_find(tf, pkt);
switch(tfs->tfs_type) {
case SCT_MPEG2VIDEO:
switch(pkt->pkt_frametype) {
case PKT_B_FRAME:
/* B-frames have same PTS as DTS, pass them on */
pkt->pkt_pts = pkt->pkt_dts;
tsfixprintf("TSFIX: %-12s PTS b-frame set to %"PRId64"\n",
streaming_component_type2txt(tfs->tfs_type),
pkt->pkt_dts);
break;
case PKT_I_FRAME:
case PKT_P_FRAME:
/* Presentation occures at DTS of next I or P frame,
try to find it */
srch = TAILQ_NEXT(pr, pr_link);
while(1) {
if(srch == NULL)
return; /* not arrived yet, wait */
if(tfs_find(tf, srch->pr_pkt) == tfs &&
srch->pr_pkt->pkt_frametype <= PKT_P_FRAME) {
pkt->pkt_pts = srch->pr_pkt->pkt_dts;
tsfixprintf("TSFIX: %-12s PTS *-frame set to %"PRId64"\n",
streaming_component_type2txt(tfs->tfs_type),
pkt->pkt_pts);
break;
}
srch = TAILQ_NEXT(srch, pr_link);
}
break;
}
break;
default:
break;
}
TAILQ_REMOVE(&tf->tf_ptsq, pr, pr_link);
normalize_ts(tf, tfs, pkt);
free(pr);
}
}
static void
tsfix_input_packet(tsfix_t *tf, streaming_message_t *sm)
{
th_pkt_t *pkt = pkt_copy_shallow(sm->sm_data);
tfstream_t *tfs = tfs_find(tf, pkt);
streaming_msg_free(sm);
if(tfs == NULL || dispatch_clock < tf->tf_start_time) {
pkt_ref_dec(pkt);
return;
}
if(tf->tf_tsref == PTS_UNSET &&
(!tf->tf_hasvideo ||
(SCT_ISVIDEO(tfs->tfs_type) && pkt->pkt_frametype == PKT_I_FRAME))) {
tf->tf_tsref = pkt->pkt_dts & PTS_MASK;
tsfixprintf("reference clock set to %"PRId64"\n", tf->tf_tsref);
}
if(pkt->pkt_dts == PTS_UNSET) {
int pdur = pkt->pkt_duration >> pkt->pkt_field;
if(tfs->tfs_last_dts_in == PTS_UNSET) {
pkt_ref_dec(pkt);
return;
}
pkt->pkt_dts = (tfs->tfs_last_dts_in + pdur) & PTS_MASK;
tsfixprintf("TSFIX: %-12s DTS set to last %"PRId64" +%d == %"PRId64"\n",
streaming_component_type2txt(tfs->tfs_type),
tfs->tfs_last_dts_in, pdur, pkt->pkt_dts);
}
static void
tsfix_input_packet(tsfix_t *tf, streaming_message_t *sm)
{
th_pkt_t *pkt = pkt_copy_shallow(sm->sm_data);
tfstream_t *tfs = tfs_find(tf, pkt);
streaming_msg_free(sm);
if(tfs == NULL || dispatch_clock < tf->tf_start_time) {
pkt_ref_dec(pkt);
return;
}
if(tf->tf_tsref == PTS_UNSET &&
(!tf->tf_hasvideo ||
(SCT_ISVIDEO(tfs->tfs_type) && pkt->pkt_frametype == PKT_I_FRAME))) {
tf->tf_tsref = pkt->pkt_dts & PTS_MASK;
tsfixprintf("reference clock set to %"PRId64"\n", tf->tf_tsref);
} else {
/* For teletext, the encoders might use completely different timestamps */
/* If the difference is greater than 2 seconds, use the actual dts value */
if (tfs->tfs_type == SCT_TELETEXT && tfs->tfs_local_ref == PTS_UNSET &&
tf->tf_tsref != PTS_UNSET && pkt->pkt_dts != PTS_UNSET) {
int64_t diff = tsfix_ts_diff(tf->tf_tsref, pkt->pkt_dts);
if (diff > 2 * 90000) {
tfstream_t *tfs2;
tvhwarn("parser", "The timediff for TELETEXT is big (%"PRId64"), using current dts", diff);
tfs->tfs_local_ref = pkt->pkt_dts;
/* Text subtitles extracted from teletext have same timebase */
LIST_FOREACH(tfs2, &tf->tf_streams, tfs_link)
if(tfs2->tfs_type == SCT_TEXTSUB)
tfs2->tfs_local_ref = pkt->pkt_dts;
} else {
