rtmpproto: Check the buffer sizes when copying app/playpath strings

As pointed out by Reimar Döffinger.

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
avformat/rtmpproto: add FFMIN() to av_strlcpy()

Suggested-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/exr: Add a gamma flag to exr loader to avoid banding

This is needed to avoid banding artifacts when gammaing the picture.
Currently, if done with a video filter, the process is done on uints
instead of full float.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/exr: mark gama option as experimental / unsupported

Suggested-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '0bacfa8d37710b904897e7cbeb8d6f96fbf75e2e'

* commit '0bacfa8d37710b904897e7cbeb8d6f96fbf75e2e':
  rtmpproto: Check the buffer sizes when copying app/playpath strings

Conflicts:
	libavformat/rtmpproto.c

See: 0c2a6dabced53b4df57aedf47f0c1b8233035fed
See: 02ac3398eb52679301028c2fd3ebad1b6261b4da
Merged-by: Michael Niedermayer <michaelni@gmx.at>