PVS-Studio warning V595 for FFMpeg

static void m4sl_cb(....)
{
  ....
  if (ts->pids[pid]->es_id != mp4_descr[i].es_id)
    continue;
  if (!(ts->pids[pid] && ts->pids[pid]->type == MPEGTS_PES)) {
  ....
}

This suspicious code was found in FFMpeg project by PVS-Studio static code analyzer.
Warning message is:
V595 The 'ts->pids[pid]' pointer was utilized before it was verified against nullptr. Check lines: 1377, 1379. mpegts.c 1377

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/