'filter' is too generic, since the functions in question deal with
several filters.

Also add const qualifiers to those variables.

This function should never modify the filter.

Iterative implementation of 32 bit fixed point split-radix FFT.
Max FFT that can be calculated currently is 2^12.

Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

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

Fixes Ticket2803

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

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

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

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

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

Fixes out of array accesses

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

This hopefully fixes fate-timefilter

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

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

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: 038c4f65ee

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

* commit 'a8b19271c3b40ac3c3dc769fe248887acf14ba5a':
  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 '7950e519bb094897f957b9a9531cc60ba46cbc91':
  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 '3a7050ffed5ce061b114a11e4de4b77aba8efa0b':
  build: Add _Pragma macro to disable deprecated declaration warnings

Conflicts:
	configure

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

* commit '79be2c325c5ee8f7ac9e28399e51986ebe99bb3c':
  doc/print_options: Move options headers to a saner place

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

* commit 'b5a138652ff8a5b987d3e1191e67fd9f6575527e':
  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 '0d6fa3977b016f1b72b0b24b8834ff9222498548':
  rtmp: Add seek support

Conflicts:
	Changelog
	libavformat/version.h

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

* commit '0d8b943d204bd16fcf2f4a59c742e65a401dd3d0':
  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 '4c7fd58f8ae729b964b6859eace5ab9a55ce3c8c':
  h264_sei: Remove pointless old comment
  twinvq: Add proper twinvq prefixes to identifiers

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