off_t last = 0;
for (std::map<off_t, pts_t>::const_iterator i(m_access_points.begin()); i != m_access_points.end(); ++i)
{
- std::map<off_t, pts_t>::const_iterator d = m_timestamp_deltas.find(i->first);
- if (d != m_timestamp_deltas.end())
- delta = d->second;
+ pts_t delta = getDelta(i->first);
pts_t c = i->second - delta;
if (c > ts)
break;
return last;
}
+int eMPEGStreamInformation::getNextAccessPoint(pts_t &ts, const pts_t &start, int direction)
+{
+ off_t offset = getAccessPoint(start);
+ std::map<off_t, pts_t>::const_iterator i = m_access_points.find(offset);
+ if (i == m_access_points.end())
+ {
+ eDebug("getNextAccessPoint: initial AP not found");
+ return -1;
+ }
+ while (direction)
+ {
+ if (direction > 0)
+ {
+ if (i == m_access_points.end())
+ return -1;
+ ++i;
+ direction--;
+ }
+ if (direction < 0)
+ {
+ if (i == m_access_points.begin())
+ {
+ eDebug("at start");
+ return -1;
+ }
+ --i;
+ direction++;
+ }
+ }
+ ts = i->second - getDelta(i->first);
+ eDebug("fine, at %llx - %llx = %llx", ts, i->second, getDelta(i->first));
+ eDebug("fine, at %lld - %lld = %lld", ts, i->second, getDelta(i->first));
+ return 0;
+}
+
eMPEGStreamParserTS::eMPEGStreamParserTS(eMPEGStreamInformation &streaminfo): m_streaminfo(streaminfo), m_pktptr(0), m_pid(-1), m_need_next_packet(0), m_skip(0)
{
}
/* sorry for the redundant code here, but there are too many special cases... */
while (len)
{
+ /* emergency resync. usually, this should not happen, because the data should
+ be sync-aligned.
+
+ to make this code work for non-strictly-sync-aligned data, (for example, bad
+ files) we fix a possible resync here by skipping data until the next 0x47.
+
+ if this is a false 0x47, the packet will be dropped by wantPacket, and the
+ next time, sync will be re-established. */
+ int skipped = 0;
+ while (!m_pktptr && len)
+ {
+ if (packet[0] == 0x47)
+ break;
+ len--;
+ packet++;
+ skipped++;
+ }
+
+ if (skipped)
+ eDebug("SYNC LOST: skipped %d bytes.", skipped);
+
+ if (!len)
+ break;
+
if (m_pktptr)
{
/* skip last packet */