Regular streams skip if p_read is NULL.

Possible could crash because release function was
not correctly matched du to missing parent id check.

Better save it into box instead of doing another lookup,
and because box could have been detached from parent.

Installed version cannot find lua scripts.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Detected by CppCheck
Signed-off-by: Boris Egorov <egorov@linux.com>
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Remove dead code and superfluous width/height variables.

refs #12283

first segment is always 0, not an undefined value
regression introduced by aaebd49a
instead of removing the tautology

kills that signed / unsigned comparison warning

The "```" case could also never happen as this is the
decoding of value 0 which should map to mac.

rtp_packetize_split() sets the marker bit according to video semantics,
and uses incorrect timestamp interpolation for PCM.

Opus cannot be fragmented, there must be one frame per RTP packet.

rtp_packetize_common() overrode the correct value with 12, which was
then reset to the correct value.

Note: the AMR packetizer seems odd.

Close #12282
Ref: Debian BTS #762564