fixess part of ticket #2024
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9a9e2f1c':
  dsputil: Split audio operations off into a separate context

Conflicts:
	configure
	libavcodec/takdec.c
	libavcodec/x86/Makefile
	libavcodec/x86/dsputil.asm
	libavcodec/x86/dsputil_init.c
	libavcodec/x86/dsputil_mmx.c
	libavcodec/x86/dsputil_x86.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This avoids reading uninitialized bytes and confusing valgrind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This avoids reading uninitialized bytes and confusing valgrind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This is useful to understand how it's different from the original code.

Code si smaller, no speed difference.

This should fix a infinite loop on freebsd
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes ticket #3428.

It is already shown in the list of external libraries if it was enabled.

Partially fixes Ticket #3404 (xbr filter remaining)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Suggested-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes compilation with --disable-everything --disable-network --enable-demuxer=matroska
Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ca1e36a8':
  h264: fix build when error resilience is disabled

Conflicts:
	libavcodec/h264_picture.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

This fixes loosing the perfectly valid SAR when width=height=0
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9e500efd':
  Add av_image_check_sar() and use it to validate SAR

Conflicts:
	libavcodec/dpx.c
	libavcodec/dvdec.c
	libavcodec/ffv1dec.c
	libavcodec/utils.c
	libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

gcc 4.2 seems not maintained anymore so theres no option besides
just working around it.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'd349afb0':
  dv: cosmetics, reindent
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '650dee63':
  dv: get rid of global non-const tables

Conflicts:
	libavcodec/dv_profile.h
	libavcodec/dvdec.c
	libavcodec/dvenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '77811159':
  dvenc: initialize the profile only once, at init

Conflicts:
	libavcodec/dvenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '452860d7':
  Use av_packet_rescale_ts() to simplify code.

Conflicts:
	doc/examples/muxing.c
	ffmpeg.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '874390e1':
  lavc: add a convenience function for rescaling timestamps in a packet

Conflicts:
	libavcodec/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>