avformat: Provide a standard compliance flag

Provide f_strict for avconv usage.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
nut: Support experimental NUT 4 features

Add the low overhead pipe mode and the extended broadcast mode.
Export the options as 'syncponts' since it impacts only that.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
avresample: Add avresample_get_out_samples

Utility function to get the upper bound on the number of samples the
resampler would output.
af_resample: Use avresample_get_out_samples
Merge commit '6d212599aa684f30511fb08ca30fe2378405304e'

* commit '6d212599aa684f30511fb08ca30fe2378405304e':
  avformat: Provide a standard compliance flag

Conflicts:
	doc/APIchanges
	libavformat/avformat.h
	libavformat/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'c94e2e85cb6af8a570d8542a830556243bd32873'

* commit 'c94e2e85cb6af8a570d8542a830556243bd32873':
  nut: Support experimental NUT 4 features

Conflicts:
	doc/nut.texi
	libavformat/nut.h
	libavformat/nutdec.c
	libavformat/nutenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'b2d45654220503224aa94e78cdff19ec624e9342'

* commit 'b2d45654220503224aa94e78cdff19ec624e9342':
  avresample: Add avresample_get_out_samples

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'ad0fe2f4012031c47268f14b9835088c488e1998'

* commit 'ad0fe2f4012031c47268f14b9835088c488e1998':
  af_resample: Use avresample_get_out_samples

Merged-by: Michael Niedermayer <michaelni@gmx.at>
avformat/nutenc: fix used version value

The broadcast/pipe flags arent stable + 1 they would be 4 or whenever but wouldnt change based
on which is stable

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/nutenc: change check to match comment

The code appears to assume STABLE will never change

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/nutenc: bump minor version due to broadcast/pipe

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/nutdec: Fix handling of older 4.0 files

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