Fixes Ticket1897

Some hunks that have become unneeded due to previous changes removed by the commiter.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This simplifies the code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

* qatar/master:
  configure: Check for GCC diagnostic pragma support inside of functions

This commit was cherry picked previously already to prevent compilation failure on a previous merge
See: 038c4f65Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'a8b19271':
  avcodec: Add output_picture_number to AVCodecParserContext

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

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

* commit '7950e519':
  Disable deprecation warnings for cases where a replacement is available

Conflicts:
	libavcodec/avpacket.c
	libavcodec/pthread.c
	libavcodec/utils.c
	libavdevice/v4l2.c
	libavfilter/avfiltergraph.c
	libavfilter/buffersrc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

The actual usage of the pragma is within functions and older versions
of gcc only support the pragma outside of functions.

* commit '3a7050ff':
  build: Add _Pragma macro to disable deprecated declaration warnings

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

* commit '79be2c32':
  doc/print_options: Move options headers to a saner place
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'b5a13865':
  Give less generic names to global library option arrays

Conflicts:
	libavcodec/options_table.h
	libavfilter/avfilter.c
	libavformat/options_table.h
	libswscale/options.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '0d6fa397':
  rtmp: Add seek support

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

* commit '0d8b943d':
  h264_sei: Return meaningful values

Conflicts:
	libavcodec/h264_sei.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* cehoyos/master:
  Forward interlaced field information from mov to ffv1 decoder.
  Do not suggest to use gas-preprocessor if using it would break compilation.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Only read the information for old ffv1, level/version 3 saves
the information in the bitstream.
Fixes a part of ticket #2190.
Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>

gas-preprocessor does not work on ppc with pic and on ppc64.

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

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

The actual usage of the pragma is within functions and older versions
of gcc only support the pragma outside of functions.

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

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

Set output_picture_number in H.264 parser.
Signed-off-by: Diego Biurrun <diego@biurrun.de>

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

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

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

for the n0=0 case there are multiple solutions and different
platforms pick different ones
This should reduce the issues with fate and the timefilter test
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

* qatar/master:
  h264_sei: K&R formatting cosmetics

Conflicts:
	libavcodec/h264_sei.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '4c7fd58f':
  h264_sei: Remove pointless old comment
  twinvq: Add proper twinvq prefixes to identifiers
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'f900f35a':
  flvdec: Eliminate completely silly goto
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'e4529df9':
  flvdec: K&R formatting cosmetics

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

* commit '390b4d70':
  flvdec: Fix = vs. == typo in sample rate check
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'fd8f91e3':
  rtsp: Simplify code for forming the remote peer url
Merged-by: Michael Niedermayer <michaelni@gmx.at>