vf_frei0r: adjust error messages
vf_frei0r: prevent a segfault when filter parameters are not set
vf_frei0r: refactor library loading from env variable

strtok_r is not needed any more, so remove it from configure.
mathops: move macro to the only place it is used

This helps in disentangling lavf and lavc too.
put_bits: Remove unused includes

This requires adding includes to other files that relied on these being
included implicitly.
doc: fix a couple of typos in frame.h
vf_frei0r: fix missing end of line character

Error introduced in 61b323ce7c7cdc101eadfd7de2203922b8a39e8d.
avienc: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>
av_vdpau_get_profile: mask out H.264 intra profile flag

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
configure: enable PIC on s390(x)

The s390 architecture requires shared libraries to be built in PIC mode.
Otherwise applications will get wrong relocations at run-time, leading
to confusing segmentation faults.

CC: libav-stable@libav.org
avfilter: Add missing emms_c when needed

Arch specific calls should have an emms_c following to keep the cpu
state consistent.

Reported-By: wm4
CC: libav-stable@libav.org
x86: cabac: Use correct #includes to make header compile standalone
arm: hpeldsp: prevent overreads in armv6 asm

Based on a patch by Russel King <rmk+libav@arm.linux.org.uk>

Bug-Id: 646
CC: libav-stable@libav.org
lavfi: use the correct filter context for logging an error.
lavfi: add shuffleplanes filter
FATE: add tests for the shuffleplanes filter
x86: dcadsp: Fix linking with yasm and optimizations disabled

Some optimized functions reference optimized symbols, so the functions
must be explicitly disabled when those symbols are unavailable.
vf_shuffleplanes: fix the type of the mapping indices

They are TYPE_INT AVOptions, so they must be ints
configure: Split x86 SIMD architecture extensions into separate list

This avoids checking inline/external assembly dependencies for x86
extensions that do not play a role in inline/external assembly.