Using the currently selected programs is wrong when we're using another
filter than --program.

Unconditionally use the PTS/DTS as PCR, which fixes automatically
lack of PCR.

Let's keep --no-ts-trust-pcr for when PCR is completely broken

--
Using both PCR and ES PTS seems to cause problems in some cases

(cherry picked from commit 8eb0b3d3b53c29b3495dcac275b5fe51f7633a6b)
(cherry picked from commit 5478a4d90b357c81b8e01f337aca0b9bb682605d)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>