This reverts commit a03be6e1.

This reverts commit f8a45fa1.

Conflicts:

	doc/optimization.txt

Conflicts:
	Changelog
	doc/APIchanges
	doc/optimization.txt
	libavformat/avio.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

Signed-off-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This is shared by both applehttp demuxer and protocol.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Add an APIchanges entry for the av_pkt_dump2 and av_pkt_dump_log2
functions, and a changelog entry for the apple http live streaming
protocol handler.

Since neither of them got a minor bump at commit time, but were
applied before the jv demuxer, they all can be considered added
in this minor version.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit c5dcb3d4)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>

Help debugging timestamp issues.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit d541c8b4)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>

Turns a comment into an av_dlog() instruction, also add a commented
issues.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 77f21ce4)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>

Correct bad indentation in aaccoder
Clarify and correct comments in 3GPP psymodel, other cosmetics.

3GPP:
Remove ffac from and move min_snr out of AacPsyBand.
Rearrange AacPsyCoeffs to make it easier to implement energy spreading.
Rename the band[] array to bands[]
Copy energies and thresholds at the end of analysis.

LAME:
Use a loop instead of an if chain in LAME windowing.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

It's not used anywhere and its return value looks broken.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

It's only used in one place and does the same thing as
avio_alloc_context.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

And rename it to ffio_read_varlen.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

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

Integrate more comments from Stefano.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

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

Turns a comment into an av_dlog() instruction, also add a commented
issues.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Help debugging timestamp issues.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

Signed-off-by: Mans Rullgard <mans@mansr.com>

There are several places where a buffer is byte-swapped in 16-bit units.
This allows them to share code which can be optimised for various
architectures.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Avoids the linker warning:
ld: warning: -read_only_relocs cannot be used with x86_64
Signed-off-by: Mans Rullgard <mans@mansr.com>

unless it stands for ffmpeg the program or is historic

also update the multiple inclusion guards in config.h|mak

update mailing list references and irc channels in configure

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

The two functions are identical, no point in duplicating code here.