ppc: fft: Build AltiVec optimizations in the standard way
avcodec/wavpackenc: Fix log2sample() result value

Found-by: CSA
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
ffserver: initialize pbuffer in prepare_sdp_description()

also check pbuffer before use

Found-by: CSA
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'ffa4d4ef0bd66c4e8bde7357b69bdedc78123ea8'

* commit 'ffa4d4ef0bd66c4e8bde7357b69bdedc78123ea8':
  ppc: fft: Build AltiVec optimizations in the standard way

Conflicts:
	libavcodec/ppc/Makefile

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/lavfutils: remove redundant variable init

Found-by: CSA
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/avuienc: move pointer declaration to where its used

Found-by: CSA
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/mmvideo: remove unused return value and assignment

Found-by: CSA
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/error_resilience: comment out unused  assignment

Its not removed as the code which uses this is out-commented too.

Found-by: CSA
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/error_resilience: make error an local variable where possible

This makes the code easier to understand as the scope of the variable is
smaller.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/mpeg12dec: Document Ticket3809 fix

Suggested-by: Reimar
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Merge https://github.com/FFmpeg/FFmpeg