avformat/utils: do not override pts in h264 when they are provided from the demuxer

Fixes Ticket2143

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 1e5271a9fd6ddcceb083f2185a4bbd8d44c9a813)
ffmpeg_filter: Fix non jpeg yuv in jpeg support

This is a regression, did not bisect so dont know what caused it but
likely some changes to the command line handling code.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit d9bc251d3978cf0b9722991f7c23edebca7abb18)
avcodec/bink: fix seeking to frame 0

Fixes Ticket3088

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit cb52d6da0a9c88c584a38a9a7a94825565854b7e)

Conflicts:
	libavcodec/bink.c