Merge remote-tracking branch 'qatar/master'

* qatar/master:
  mpegvideo: unref old current_picture before allocating a new one

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

Merge commit 'db347280eb3746d7b70888db97f1efe5f06f5624'

* commit 'db347280eb3746d7b70888db97f1efe5f06f5624':
  vorbis: fallback to normal division instead of crashing

Conflicts:
libavcodec/vorbisdec.c

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

Merge commit 'ddf1b4a2f8a680126eb611428e4f47e6e5b8c6c0'

* commit 'ddf1b4a2f8a680126eb611428e4f47e6e5b8c6c0':
  vorbis: simplify the inner loop in setup_classifs

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

Merge commit '36f10380043c8b8c5cbf8c1add8695089cdaa341'

* commit '36f10380043c8b8c5cbf8c1add8695089cdaa341':
  vorbis: use normal integer values for iterators

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

doc/filters: add RGB geq example

doc/filters: extend/fix documentation for the geq filter

Merge commit '98186578a2a21af5bfe6dd71d222dc270f763c7d'

* commit '98186578a2a21af5bfe6dd71d222dc270f763c7d':
  vorbis: refactor vorbis_residue_decode_internal

Conflicts:
libavcodec/vorbisdec.c

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

Merge commit 'c360fb174b01170ab3fd3048d4d0acb44aa4e834'

* commit 'c360fb174b01170ab3fd3048d4d0acb44aa4e834':
  win32: Do not use GetProcAddress when compiled for Vista+

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

Merge commit '0b6899f154347cdd0aa66c5ec16ed9c65871766f'

* commit '0b6899f154347cdd0aa66c5ec16ed9c65871766f':
  configure: msvc: Set the target windows version to XP if no target is set

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

md5: optimize second round by using 4-operation form of G()

4-operation form is preferred over 3-operation because it breaks a long
dependency chain, thus allowing a superscalar processor to execute more
operations in parallel.
The idea was taken from: http://www.zorinaq.com/papers/md5-amd64.html

AMD Athlon(tm) II X3 450 Processor, x86_64

$ for i in $(seq 1 4); do ./avutil_md5_test2; done
size: 1048576  runs: 1024  time:    5.821 +- 0.019
size: 1048576  runs: 1024  time:    5.822 +- 0.019
size: 1048576  runs: 1024  time:    5.841 +- 0.018
size: 1048576  runs: 1024  time:    5.821 +- 0.018

$ for i in $(seq 1 4); do ./avutil_md5_test2; done
size: 1048576  runs: 1024  time:    5.646 +- 0.019
size: 1048576  runs: 1024  time:    5.646 +- 0.018
size: 1048576  runs: 1024  time:    5.642 +- 0.019
size: 1048576  runs: 1024  time:    5.641 +- 0.019

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

lavfi/geq: mark timeline support

lavd: add v4l2 outdev.

lavd/v4l2: move pixel format conversion code to a separate place.

This will be shared with the output device.

avformat/matroskadec: fix integer overflow

Fixes fate-mkv with ekopath 4

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

mpegvideo: unref old current_picture before allocating a new one

Allows decoding with only three frame buffers with frame reference
counting. Fixes VAAPI based decoding in vlc which uses only three
frame buffers for the mpegvideo-based codecs.

vorbis: fallback to normal division instead of crashing

The use of ff_inverse speeds up slightly arches + compilers that
do not provide a division faster than the whole machinery, such
as ppc32 + gcc4.7, but has operational limits.

Drop the always-enable assert and provide a fallback.

vorbis: simplify the inner loop in setup_classifs

vorbis: use normal integer values for iterators

No need to use fixed-size integers.

vorbis: refactor vorbis_residue_decode_internal

configure: add more allocation functions to valgrind-massif

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

cmdutils: show timeline support in -filters listing

lavfi/drawgrid: fix drawgrid options after 4c205f42c86

doc/Makefile: install .3 man pages to man3 subdir

Fix trac ticket #2585.

build: drop unused ALLMANPAGES variable

mjpeg_decode_com: remove redundant len checks

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

mjpegdec: Fix field orderforinterlacedAVDJand AVRN in ntsc mode

Fixes ticket1656

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

tools: add zmqshell.py.

win32: Do not use GetProcAddress when compiled for Vista+

Instead link directly to the condition variable functions.

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

configure: msvc: Set the target windows version to XP if no target is set

MSVC 2010 (or more precisely, Windows SDK 7.0 which comes with MSVC
2010) sets _WIN32_WINNT to the constant for Windows 7 if nothing is
set. This could lead to the libav configure script detecting and
using functions only present in Windows 7 or newer, which in most
cases isn't desired. If the caller explicitly wants this, the caller
can add the _WIN32_WINNT define via --extra-cflags, setting the desired
version.

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

lavfi/histogram: cache log2 of max_hval

Instead of calculating same value over and over again.

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

swscale/output: silence warning about undefined 'ASSERT_LEVEL'

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

swscale/output: remove unused header

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

ffv1dec: defuse membomb

Fixes Ticket2589

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

configure: use the user specified valgrind excutable for massif

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

configure: fix valgrind-massif to actually work

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

ffserver: replace atoll() by strtoll()

this should make it easier to support ffserver with msvc

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  Escape 130 FATE test

Conflicts:
tests/fate/video.mak

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

Merge commit '8e673efc6f5b7a095557664660305148f2788d30'

* commit '8e673efc6f5b7a095557664660305148f2788d30':
  prores: update FATE test to account for alpha plane present in the test sample
  configure: Add basic valgrind-massif support

Conflicts:
tests/fate/prores.mak
tests/ref/fate/prores-alpha

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

Merge commit 'ed50673066956d6f2201a57c3254569f2ab08d9d'

* commit 'ed50673066956d6f2201a57c3254569f2ab08d9d':
  wavpack: validate samples size parsed in wavpack_decode_block

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

Merge commit '8c34558131d846d2b10389564caadaa206372fd4'

* commit '8c34558131d846d2b10389564caadaa206372fd4':
  wavpack: return meaningful errors

Conflicts:
libavcodec/wavpack.c

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

Merge commit '0f689a3d97a1d3053ca0e9516b296909a72ff31e'

* commit '0f689a3d97a1d3053ca0e9516b296909a72ff31e':
  wavpack: K&R formatting cosmetics

Conflicts:
libavcodec/wavpack.c

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

ftp: favor strtoll over atoll

Both strtoll and atoll have different names on MSVC, and strtoll has a
compatibility layer in place for this case.

Fixes compilation on MSVC.

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

Escape 130 FATE test

prores: update FATE test to account for alpha plane present in the test sample

proresdec2: Only try to decode alpha plane if four output planes were allocated.

Fixes a crash with MPlayer.

FTP protocol support

Implementation of ftp protocol.

Fixes #1672

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

configure: Add basic valgrind-massif support

With the parameter --toolchain valgrind-massif, the configure
script sets reasonable defaults that can be overridden as explained
in the documentation.

wavpack: validate samples size parsed in wavpack_decode_block

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

wavpack: return meaningful errors

And forward those that were already meaningful.

avfilter/vf_deshake: check rx

Fixes crash on SSE2
Fixes Ticket2443

Note, its possible to restructure the code to avoid the 16pixel limitation,
and such change is welcome!

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

fmtconvert: int32_t input to int32_to_float_fmul_scalar

It was previously declared as int.
Does not change fate results for x86.

Conflicts:

libavcodec/ppc/fmtconvert_altivec.c

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

wavpack: K&R formatting cosmetics

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

proresdec2: Support decoding transparency information.

Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>

movenc: add video_track_timescale option

Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mov: set block_align for MACE 3:1 and MACE 6:1

fixes remuxing of audio track from mov to aifc

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

avcodec_align_dimensions2: add missing yuva formats

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

sws/output: yuv2rgb_write() assert that alpha has the correct value in the tables

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

doc/filters: apply minor fixes to owdenoise documentation

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  Escape 130 (RPL) decoder

Conflicts:
libavcodec/Makefile
libavcodec/allcodecs.c
libavcodec/codec_desc.c
libavcodec/escape130.c
libavcodec/version.h

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

Merge commit 'cebdedca57d95834a8f8098c7b6a322a1163e26b'

* commit 'cebdedca57d95834a8f8098c7b6a322a1163e26b':
  prores: decode alpha plane when it's present
  avfilter: check a malloc in avfilter_link().

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

Merge commit 'bf5b5d2b1561535cc013c12ab8033228bb0d0081'

* commit 'bf5b5d2b1561535cc013c12ab8033228bb0d0081':
  avfilter.c: cosmetics, reformat

Conflicts:
libavfilter/avfilter.c

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

Merge commit 'd79bd6040599ef017dc45d5997fcc959ab1f71f6'

* commit 'd79bd6040599ef017dc45d5997fcc959ab1f71f6':
  lavfi: factorize freeing a link

Conflicts:
libavfilter/avfilter.c

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

Merge commit '1dd35611433c224e2231ed7ae26b5b560863a3cb'

* commit '1dd35611433c224e2231ed7ae26b5b560863a3cb':
  vf_format: do not use the AVFilterFormats internals.

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

doc/fate: update server host key fingerprints

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

Merge commit 'c5ab6088ad7b0dac461fb6757b038f5260e638e5'

* commit 'c5ab6088ad7b0dac461fb6757b038f5260e638e5':
  af_aformat: cosmetics, fix indentation

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

Merge commit 'b01f6041f4260fba053c2f96ce1611ea77e833a0'

* commit 'b01f6041f4260fba053c2f96ce1611ea77e833a0':
  lavfi: rename AVFilterFormats.format_count to nb_formats

Conflicts:
libavfilter/avfiltergraph.c
libavfilter/filtfmts.c
libavfilter/formats.c

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

Merge commit 'e27f4b7cbf8a3fde313cfe4b3a1880bf5031e9ae'

* commit 'e27f4b7cbf8a3fde313cfe4b3a1880bf5031e9ae':
  doxy: don't sort struct members alphabetically

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

Merge commit '006ec64877fb638de4b15ae5fd969e22bd0f60ca'

* commit '006ec64877fb638de4b15ae5fd969e22bd0f60ca':
  lavr doxy: add version.h to the lavr group
  lavc doxy: add avcodec.h to the libavcodec group.

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

Merge commit '40020e171a3549a2c0b65ce6f2649aec868872f2'

* commit '40020e171a3549a2c0b65ce6f2649aec868872f2':
  doxy: add a section about versioning.

Conflicts:
libavutil/avutil.h

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

Merge commit 'bc8c1cdc7bfe7b1fe56df812aabdac3de2555cec'

* commit 'bc8c1cdc7bfe7b1fe56df812aabdac3de2555cec':
  lavfi doxy: add a page for lavfi.
  jpegls: check the scan offset

Conflicts:
libavcodec/jpeglsdec.c
libavfilter/avfilter.h
libavutil/avutil.h

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

Merge commit '4a4107b48944397c914aa39ee16a82fe44db8c4c'

* commit '4a4107b48944397c914aa39ee16a82fe44db8c4c':
  jpegls: factorize return paths

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

Merge commit 'a5a0ef5e13a59ff53318a45d77c5624b23229c6f'

* commit 'a5a0ef5e13a59ff53318a45d77c5624b23229c6f':
  jpegls: return meaningful errors
  sparc: VIS mnemonics

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

Escape 130 (RPL) decoder

Some fixes provided by Paul B Mahol <onemda@gmail.com>
and Michael Niedermayer <michaelni@gmx.at> and me.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>

prores: decode alpha plane when it's present

sws/output: init A1/A2 so that rgba64 ends with 0xffff in the absence of alpha input

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

avidec: dont randomly skip packets for offseting the index

Fixes Ticket2490

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

md5: avoid unnecessary copying.

Where necessary use memcpy instead.
Thanks to Giorgio Vazzana [mywing81 gmail] for
spotting this loop as the cause for the bad
performance.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

avfilter: check a malloc in avfilter_link().

Additionally change sizeof(type) into sizeof(var)

avfilter.c: cosmetics, reformat

lavfi: factorize freeing a link

vf_format: do not use the AVFilterFormats internals.

Use the formats.h API instead.

af_aformat: cosmetics, fix indentation

lavfi: rename AVFilterFormats.format_count to nb_formats

This is more consistent with naming in the rest of Libav.

doxy: don't sort struct members alphabetically

The declaration order is more meanigful in most cases.

lavr doxy: add version.h to the lavr group

lavc doxy: add avcodec.h to the libavcodec group.

doxy: add a section about versioning.

lavfi doxy: add a page for lavfi.

id3v2enc: chapter support

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

jpegls: factorize return paths

jpegls: return meaningful errors

jpegls: check the scan offset

Prevent an out of array bound write.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

libmodplug: fix sz type

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

sparc: VIS mnemonics

Currently, if VIS is enabled by configure, it will also be enabled at
run-time regardless of its support in the hardware. Thus, masking VIS
usage as it is done in vis.h by constructing binary instructions is
pointless. Using normal VIS mnemonics in inline assembly allows to take
advantage of automatic register allocation, gets rid of register
variables, which are unsupported by suncc for SPARC, and improves code
readability.

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

vc1dec: restructure interpmvp code

This fixes a valgrind warning about use of uninitialized stuff
(no actual such use occurs though)

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

Adding support for encoding VP8 Alpha

This patch adds support for encoding VP8 files with alpha. The alpha channel
is encoded separately and the output is placed in AVPacket's side_data. The
muxer then muxes it into the BlockAdditional element of the matroska container.
More details on spec here: http://goo.gl/wCP1y

Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

vformat/matroskaenc: factorize alpha code in mkv_write_block()

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

Adding support for muxing VP8 Alpha files

This patch adds support for muxing VP8 Alpha Files. The Alpha channel data is
placed in BlockAdditional element of the matroska container. More information
& exact spec on how this is implemented can be found here: http://goo.gl/wCP1y

Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

lavfi/pad: switch to AV_OPT_TYPE_COLOR

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

lavfi/drawtext: switch to AV_OPT_TYPE_COLOR

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