* commit '1a5e9130':
  pthread: avoid copying input packets when possible.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '1afddbe5':
  avpacket: use AVBuffer to allow refcounting the packets.

Conflicts:
	libavcodec/avpacket.c
	libavcodec/utils.c
	libavdevice/v4l2.c
	libavformat/avidec.c
	libavformat/flacdec.c
	libavformat/id3v2.c
	libavformat/matroskaenc.c
	libavformat/mux.c
	libavformat/utils.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '1cec0624':
  AVBuffer: add a new API for buffer pools
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '8e401dbe':
  lavu: add a new API for reference-counted data buffers.

Conflicts:
	libavutil/Makefile
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '65f1d45d':
  lavu: add support for atomic operations.

Conflicts:
	configure
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'eae0879d':
  mp3dec: Fix VBR bit rate parsing
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '4be368b5':
  avstring: Fix isxdigit to not accept non-hex characters
  configure: Add missing videodsp dependencies to some decoders
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'dbd2a34b':
  build: cosmetics: Group hw accelerator Makefile entries together

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

* commit 'bcd0a713':
  configure: Add missing h264chroma dependencies to vp5, vp6
  Add missing error_resilience includes to files that use ER

Conflicts:
	configure
	libavcodec/mpeg12.c
	libavcodec/mpeg4videodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'd88738e4':
  mpegvideo: Conditionally build error_resilience bits
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '06b54e84':
  build: Fix error_resilience code dependencies

Conflicts:
	configure
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'efa7f420':
  Use the avstring.h locale-independent character type functions
  avstring: Add locale independent versions of some ctype.h functions

Conflicts:
	avprobe.c
	doc/APIchanges
	libavcodec/dvdsubdec.c
	libavcodec/utils.c
	libavutil/avstring.c
	libavutil/avstring.h
	libavutil/eval.c
	libavutil/parseutils.c
	libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

This reverts commit 60dbf2ef.

This is not needed anymore, Ticket 1694 has been fixed differently

This prevents various values from becoming stuck at NAN and
output to become silent
If someone knows a cleaner solution, thats welcome!

Fixes Ticket2335
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This will allow us to avoid copying the packets in many cases.

This breaks ABI.

These could be used for reference counting, or for keeping track of
decoding progress in references in multithreaded decoders.

Support is provided by gcc/msvc/suncc intrinsics, with a fallback using
pthread mutexes.
Signed-off-by: Anton Khirnov <anton@khirnov.net>

When parsing the Xing/Info tag, don't set the bit rate if it's an Info tag.

When parsing the stream, don't override the bit rate if it's already set,
otherwise calculate the mean bit rate from parsed frames. This way, the bit
rate will be set correctly both for CBR and VBR streams.

CC:libav-stable@libav.org
Signed-off-by: Anton Khirnov <anton@khirnov.net>

Fixes ticket #1546 and the remaining part of ticket #1244.

Fixes a fate failure with icc 13.1

Signed-off-by: Alexander Kojevnikov <alexander@kojevnikov.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes Ticket1694
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The IIR filter numerically diverges in such cases, this could easily be
fixed but would make the filter slower on some platforms

Fixes Ticket2246
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Martin Storsjö <martin@martin.st>

This breaks the dependency of mpegvideo on error_resilience allowing
compilation of components that depend on the former w/o the latter.

Make sure the behavior does not change with the locale.
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>

Fixes Ticket2318
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Fixes Ticket1733
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>