Prepare for 10.3 Release
avplay: Handle pixel aspect ratio properly

This was broken (left half-implemented) in 354468fc12.

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit cf280ed004b5c618560f8f43d14ff264bd1e4c3d)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
arm: Avoid using the 'setend' instruction on ARMv7 and newer

This instruction is deprecated on ARMv8, and it is serializing on
some ARMv7 cores as well [1].

[1] http://article.gmane.org/gmane.linux.ports.arm.kernel/339293

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 79fce1ec8abd017593c003917fc123f7119a78d6)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
librtmp: Don't free the temp url at the end of rtmp_open

librtmp can keep pointers to this string internally, and may
use them at shutdown as well.

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 865461099e062de5a3a109c2a5be98004c11d8bd)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>

Conflicts:
	libavformat/librtmp.c