4-operation form is preferred over 3-operation because it breaks a long
dependency chain, thus allowing a superscalar processor to execute more
operations in parallel.
The idea was taken from: http://www.zorinaq.com/papers/md5-amd64.html

AMD Athlon(tm) II X3 450 Processor, x86_64

$ for i in $(seq 1 4); do ./avutil_md5_test2; done
size: 1048576  runs: 1024  time:    5.821 +- 0.019
size: 1048576  runs: 1024  time:    5.822 +- 0.019
size: 1048576  runs: 1024  time:    5.841 +- 0.018
size: 1048576  runs: 1024  time:    5.821 +- 0.018

$ for i in $(seq 1 4); do ./avutil_md5_test2; done
size: 1048576  runs: 1024  time:    5.646 +- 0.019
size: 1048576  runs: 1024  time:    5.646 +- 0.018
size: 1048576  runs: 1024  time:    5.642 +- 0.019
size: 1048576  runs: 1024  time:    5.641 +- 0.019
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This will be shared with the output device.

Fixes fate-mkv with ekopath 4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Fix trac ticket #2585.

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

Fixes ticket1656
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Instead of calculating same value over and over again.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

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

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

Fixes Ticket2589
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 should make it easier to support ffserver with msvc
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* qatar/master:
  Escape 130 FATE test

Conflicts:
	tests/fate/video.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '8e673efc':
  prores: update FATE test to account for alpha plane present in the test sample
  configure: Add basic valgrind-massif support

Conflicts:
	tests/fate/prores.mak
	tests/ref/fate/prores-alpha
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ed506730':
  wavpack: validate samples size parsed in wavpack_decode_block
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '8c345581':
  wavpack: return meaningful errors

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

* commit '0f689a3d':
  wavpack: K&R formatting cosmetics

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

Both strtoll and atoll have different names on MSVC, and strtoll has a
compatibility layer in place for this case.

Fixes compilation on MSVC.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes a crash with MPlayer.

Implementation of ftp protocol.

Fixes #1672
Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

With the parameter --toolchain valgrind-massif, the configure
script sets reasonable defaults that can be overridden as explained
in the documentation.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

And forward those that were already meaningful.

Fixes crash on SSE2
Fixes Ticket2443

Note, its possible to restructure the code to avoid the 16pixel limitation,
and such change is welcome!
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

It was previously declared as int.
Does not change fate results for x86.

Conflicts:

	libavcodec/ppc/fmtconvert_altivec.c
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Diego Biurrun <diego@biurrun.de>

Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>

Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

fixes remuxing of audio track from mov to aifc
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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