build: Add missing object file for Matroska demuxer

Fixes compilation with --disable-everything --disable-network --enable-demuxer=matroska

Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
ffmpeg: fix memleak and corruption of AVSubtitle with multiple outputs

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/bitstream: document the double volatile

Suggested-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/libtwolame: fix encoding lsf with defaults

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter: add hqx filter (hq2x, hq3x, hq4x)

Partially fixes Ticket #3404 (xbr filter remaining)
Do not show libzvbi in the configure output if it was not enabled.

It is already shown in the list of external libraries if it was enabled.
Show duration for large asf files as written in the file header.

Fixes ticket #3428.
avformat/flvdec: give live_flvdec a separate name

This should fix a infinite loop on freebsd

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/hqx: unroll the pattern calculation

Code si smaller, no speed difference.
avfilter/hqx: add some self promotion in doxy.

This is useful to understand how it's different from the original code.
avfilter/avf_showspectrum: fix macro ()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/deshake_opencl: fix macro ()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
swscale/x86/input: prevent RGB32_TO_UV_FN from reading into the padding

This avoids reading uninitialized bytes and confusing valgrind

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
swscale/x86/input: prevent RGB32_TO_Y_FN from reading into the padding

This avoids reading uninitialized bytes and confusing valgrind

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/vf_hqx: partly fix big endian fate test

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
fate/filter-video: fix hqx on big endian part 2

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/vf_hqx: remove << 0

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
swr: remove another forgotten division in DSP function.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
dsputil: Split audio operations off into a separate context
build: Add missing replaygain object file for CAF demuxer