lavfi/geq: improve support for formats with alpha plane

Signed-off-by: Paul B Mahol <onemda@gmail.com>
lavfi/hflip: support more formats

Signed-off-by: Paul B Mahol <onemda@gmail.com>
fate: update pixfmts_hflip

Signed-off-by: Paul B Mahol <onemda@gmail.com>
pmpdec: fix integer overflow

Its unlikely this affects any valid files.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pmpdec: make i unsigned, avoid undefined behavior of i++

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
ffmpeg_opt: cosmetics

Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libvpx: allow 0 as min quantizer value

Allow setting the min quantizer to 0 instead of 1 (libvpx allows 0); fixes #2136

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libvpx: check if CQ level is in correct bounds

Check whether CQ level is within qmin..qmax and abort on error. If this isn't properly
set, encoding will fail at the first frame.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
dynamic loading of shared faac library
no Werror on implicit-function-declaration and missing-prototypes
configure: fix modplug detection (it needs +lstdc++)
custom icon and windows resource
use upstream version tag, my repo is always rebased
programs: print version info and configuration only on -version