j2kdec: make curtilenum integer.

This fixes a potential crash.

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

tag_tree_decode: check node being non null

Fixes CID717843
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

compute_lpc_coefs: assert that normalize and fail have a supported combination

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

noise_bsf: fix division by 0

Fixes CID733737
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

flac_parser.c: fix issue with looping output for small files.

see trac 1345
https://ffmpeg.org/trac/ffmpeg/ticket/1345

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

bgmc: fix sizeof arguments (should fix CIDs: 700724 and 608084)

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

lavf: fix fps detection with PAFF H.264

Fixes Ticket1065
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

h264: fix parsing of old lossless profile (profile_idc == 144)

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

eatgq: raise error on unsupported macroblock mode

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ansi: by design nb_args may exceed the size of the args array, so guard accordingly

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  avutil: Do not make ff_ symbols globally visible.
  avutil: Rename ff_set_systematic_pal2() ---> avpriv_set_systematic_pal2()
  build: tms470: work around glibc math.h problems
  configure: improve tms470 compiler usage with glibc

Conflicts:
libavcodec/bmpenc.c
libavcodec/rawdec.c

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

eatgq: fix small overread

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

Merge commit 'b5198a2637b7b45b0049a1d4b386a06f016f2520'

* commit 'b5198a2637b7b45b0049a1d4b386a06f016f2520':
  configure: tms470: add mapping for -mfpu=vfpv3-d16 flag
  configure: recognise Minix as OS
  configure: work around bug in ash shell
  eval-test: make table static const
  lavr: handle clipping in the float to s32 conversion
  nut: support pcm codecs not mapped in avi

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

Merge commit '1bd442c276e6688b43777a198cad0d7e3a92123f'

* commit '1bd442c276e6688b43777a198cad0d7e3a92123f':
  nut: prioritize native tags

Conflicts:
tests/ref/lavfi/crop
tests/ref/lavfi/crop_scale
tests/ref/lavfi/crop_scale_vflip
tests/ref/lavfi/crop_vflip
tests/ref/lavfi/null
tests/ref/lavfi/pixdesc
tests/ref/lavfi/pixfmts_copy
tests/ref/lavfi/pixfmts_crop
tests/ref/lavfi/pixfmts_hflip
tests/ref/lavfi/pixfmts_null
tests/ref/lavfi/pixfmts_pad
tests/ref/lavfi/pixfmts_scale
tests/ref/lavfi/pixfmts_vflip
tests/ref/lavfi/scale200
tests/ref/lavfi/scale500
tests/ref/lavfi/vflip
tests/ref/lavfi/vflip_crop
tests/ref/lavfi/vflip_vflip

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

doc/nut: Clarify what/where is the official nut specification

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

wv: do not report invalid stream duration

If total number of samples is -1 it means stream is of unknown length.

Fixes ticket #1777.

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

svq1dec: use log level that have more common sense

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

svq1dec: use more common way to check if result is not zero

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

svq1dec: check return value of get_bits1() in more common way

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

svq1dec: return more meaningful error codes

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

mp3enc: fix signed C99 overflow

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

dpxenc: fix signed c99 overflows

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

sws: get rid of C99 signed overflows try #2

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

paf: avoid C99 overflows

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

sws: avoid signed C99 overflows

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

swr/rematrix: fix C99 left shift overflow

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

g723_1: fix overflow in square_root()

the intermediate does not fit in a signed 32bit int

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

avoid more "0xFF << 24" as it is considered a integer overflow in C99

missed these in my previous search and replace

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

avoid "0xFF << 24" as it is considered a integer overflow in C99

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

mpeg4videodec: Recalculate timebase in case of guessing time increment bits

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

lavfi/select/scene: use pointer increments instead of y*linesize.

lavfi/select/scene: fix potential overread.

Also make sure we use the actual width of the image and not the whole
linesize.

lavfi/select/scene: move out convoluted sad variable init from loop.

alsdec: fix clipping of weightings for MCC decoding

Fixes CID717905
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mpegvideo: fix motion_val checks

Fixes CID604124
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mpegvideo: check return value of ff_MPV_common_init()

Fixes CID703621
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avcodec_find_best_pix_fmt_of_2: fix handling or PIX_FMT_NONE

Fixes CID733775
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

flashsv: check deflateInit() return value

Fixes CID703620
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

dnxhdenc: assert ff_dnxhd_get_cid_table() return value

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

dnxhddata_ Fix mixup of sizeof() and array elements in ff_dnxhd_find_cid()

Fixes CID717910
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffv1: make sure gob_count is not 0

Fixes division by 0
Fixes CID733736

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

sws-test: raise limigts a bit.

these cases arent used but theres no point in failing on them

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

pp: avoid overflow in w*h

Fixes CID700580
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

sws-test: check W/H

Fixes CID733834
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

lavc/codec_desc: add/update properties of some codecs

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

ffeval: avoid folding EOF onto a valid char

Fixes CID733704
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

probetest: check command line arguments

Fixes CID733835
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

trasher: check seek return value.

Fixes CID733726
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avutil: Do not make ff_ symbols globally visible.

xbmdec: s/av_reverse/ff_reverse

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

avutil: Rename ff_set_systematic_pal2() ---> avpriv_set_systematic_pal2()

Functions used across libraries should have avpriv_ and not ff_ prefixes.

configure: tms470: add mapping for -mfpu=vfpv3-d16 flag

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

build: tms470: work around glibc math.h problems

The glibc definitions of INFINITY and NAN do not work with the
tms470 compiler, nor do our usual fallbacks.

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

configure: improve tms470 compiler usage with glibc

Apply flags to work around glibc quirks only if glibc is detected,
and add a few more such flags.

Do not mess with as/ld settings in probe_cc.  This is not the
proper place.

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

libavutil: loose idiotic circular dependancies between version and avutil.h

This fixes the recently appearing PIX_FMT warnings

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

sdp: output speex optional vbr parameter

Optional sdp speex payload parameter is outputed only when
data is encoded. It's not printed in case of stream copy.

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

tests: fix checksums for png aspect ratio change

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

lavc: return s->get_buffer() error code if it errors out

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

pngenc: write sample aspect ratio

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

pngdec: read sample aspect ratio

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

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  vc1: Use codec ID from AVCodecContext while parsing frame header
  avplay: support mid-stream sample rate changes

Conflicts:
ffplay.c
libavcodec/vc1.c

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

ffplay: use audio parameters from the decoded frame instead of AVCodecContext

Based on commit by Justin Ruggles (the changed code is too different to apply as is)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'f5962229bfcb14c2879e69ccdf7f1a4934168609'

* commit 'f5962229bfcb14c2879e69ccdf7f1a4934168609':
  avplay: use audio parameters from the decoded frame instead of AVCodecContext
  dca: allocate a secondary buffer for extra channels when downmixing
  configure: use utilities from /usr/xpg4/bin if it exists
  avstring-test: fix memory leaks

Conflicts:
ffplay.c
libavcodec/dcadec.c

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

smjpegdec: use url_feof()

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

Merge commit '0a7005bebd23ade7bb852bce0401af1a8fdbb723'

* commit '0a7005bebd23ade7bb852bce0401af1a8fdbb723':
  rtpdec_xiph: fix function return type
  smjpeg: fix type of 'ret' variable in smjpeg_read_packet()
  mpegvideo: remove write-only variable
  Use proper return values in case of missing features
  fate: add avstring test
  rangecoder-test: Set error message log level to error, instead of debug

Conflicts:
libavcodec/aacdec.c
libavcodec/amrnbdec.c
libavcodec/mpegvideo.c

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

Merge commit '90558e848a29ef1e85ecb1832ad9a26eebe958e0'

* commit '90558e848a29ef1e85ecb1832ad9a26eebe958e0':
  rangecoder: K&R formatting cosmetics

Conflicts:
libavcodec/rangecoder.c
libavcodec/rangecoder.h

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

Merge commit 'ca411fc1d34329cd17b28627f697e391ae52073f'

* commit 'ca411fc1d34329cd17b28627f697e391ae52073f':
  avcodec: Remove broken MMI optimizations

Conflicts:
arch.mak
configure
libavcodec/avcodec.h
libavcodec/mips/Makefile
libavcodec/mips/dsputil_mmi.c
libavcodec/mips/idct_mmi.c
libavcodec/mips/mmi.h
libavcodec/mips/mpegvideo_mmi.c
libavcodec/options_table.h

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

configure: recognise Minix as OS

No special setup is required for Minix.

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

configure: work around bug in ash shell

The ash 'test' builtin misbehaves if the first operand of a binary
operator looks like a unary operator.

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

Merge commit 'bc4620e5d61a4dd9a1f654fadd281a172aab04be'

* commit 'bc4620e5d61a4dd9a1f654fadd281a172aab04be':
  Remove libmpeg2 #define remnants
  De-doxygenize some top-level files

Conflicts:
ffmpeg.c
ffmpeg.h
ffmpeg_filter.c
ffplay.c

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

Merge commit 'd5c62122a7b26704bf867a1262df358623bf5edf'

* commit 'd5c62122a7b26704bf867a1262df358623bf5edf':
  Move av_reverse table to libavcodec

Conflicts:
libavcodec/asvenc.c
libavcodec/vble.c
libavutil/common.h
libavutil/mathematics.c

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

Merge commit '930c9d4373e0f3cb7c64fcfc129127a309f6d066'

* commit '930c9d4373e0f3cb7c64fcfc129127a309f6d066':
  avutil: Duplicate ff_log2_tab instead of sharing it across libs

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

Merge commit 'f6c38c5f4ed6683a6a61db2ed418a68bbe5f5507'

* commit 'f6c38c5f4ed6683a6a61db2ed418a68bbe5f5507':
  avfilter: call x86 init functions under if (ARCH_X86), not if (HAVE_MMX)
  rtspdec: Set the default port for listen mode, if none is specified
  tscc2: Fix an out of array access
  rtmpproto: Fix an out of array write
  rtspdec: Fix use of uninitialized byte
  vp8: reset loopfilter delta values at keyframes.
  avutil: add yuva422p and yuva444p formats

Conflicts:
libavutil/pixdesc.c
libavutil/pixfmt.h
tests/ref/lavfi/pixdesc
tests/ref/lavfi/pixfmts_copy
tests/ref/lavfi/pixfmts_null
tests/ref/lavfi/pixfmts_scale
tests/ref/lavfi/pixfmts_vflip

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

vp8dec: reset loopfilter delta values at keyframes

while testing a VP8 encoder I found a mismatch between FFMPEG and libvpx
VP8 decoders. The reason for this mismatch is that FFMPEG doesn't reset
loopfilter delta values at keyframes. Patch that fixes the issue is below.
I've verified that the output of ffmpeg after this patch matches libvpx.

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

eval-test: make table static const

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

lavr: handle clipping in the float to s32 conversion

We cannot clip to INT_MAX because that value cannot be exactly
represented by a float value and ends up overflowing during conversion
anyway. We need to use a slightly smaller float value, which ends up
with slightly inaccurate results for samples which clip or nearly clip,
but it is close enough. Using doubles as intermediates in the conversion
would be more accurate, but it takes about twice as much time.

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

nut: prioritize native tags

Use native tags instead of avi ones, simplifies a lot raw video codecs
handling.

nut: support pcm codecs not mapped in avi

The native tags will be used when available.

Allow autodetection of some dnxhd files that can be decoded correctly.

Fixes ticket #1807.

fate: update pcx reference

It changed because encoder now writes 0/1 for
sample aspect ratio instead of 0/0.

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

pcxenc: store sample aspect ratio

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

pcx: read sample aspect ratio

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

bethsoftvideo: return meaningfull error codes

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

truemotion2: use more meaningful return codes

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

vc1: Use codec ID from AVCodecContext while parsing frame header

This fixes a segfault with samples that I have (both of them MPEG-TS). Looks like
avctx->codec is not being set during parsing.

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>

avplay: support mid-stream sample rate changes

Resample to the rate that was configured in SDL.

avplay: use audio parameters from the decoded frame instead of AVCodecContext

dca: allocate a secondary buffer for extra channels when downmixing

The output AVFrame buffer only has data for the downmix channels.
Fixes a segfault when decoding dca with request_channels == 2.

ffserver: fix return value of add_codec()

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

jpegls: increase run_index to 4

Fixes part of CID717913
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

jpegls: fix off limit

Fixes part of CID717913
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

rv30_decode_intra_types: make check tighter

This makes no differnce as the affected values cannot occur
But it will likely help static analyzers

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

ff_celp_lp_synthesis_filterf: change loop end check

This makes no difference for supported input but avoids a
out of array read with input that is never passed in currently

Fixes CID717919
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ff_celp_lp_synthesis_filterf: check that filter_length is within the supported range

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

rtpdec_qdm2: change one assert to av_assert0

Failure of this assert could lead to hard to debug behavior

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

wtvdec: fix memleak on error

Fixes CID718002
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avio: redesign ffio_rewind_with_probe_data()

This prevents a double free

Fixes CID718285
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

ffv1: avoid checking a double for equality

if 0.0 != 0.0 a out of array read would occur, equal checks
with floating point may behave in such odd ways, though
this is very unlikely in a real implementation of a compiler

Fixes: CID718936
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

af_pan: fix memleak of arg

Fixes CID718988
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

vf_fade: fix memleaks of args

Fixes: CID718989
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>