Merge commit '8e9c39e81fe5ba34010a7ba05cbe4ae31f177d89'

* commit '8e9c39e81fe5ba34010a7ba05cbe4ae31f177d89':
  mov: abort on EOF in ff_mov_read_chan

See: a5718863da99b54b6c853d45c84871c4a96a57c0
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'a8a90906fb0ad0f8d3c68a97f182528ee3b5198c'

* commit 'a8a90906fb0ad0f8d3c68a97f182528ee3b5198c':
  mov: Correctly allocate ctts_data

Conflicts:
libavformat/mov.c

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

Merge commit 'f261a55d72753bcec33369954809732abae8f8f7'

* commit 'f261a55d72753bcec33369954809732abae8f8f7':
  mov: Fix two memleaks

See: 8e77f8ab4abc199a5cc9d6c2c206b73fc2921af0
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '3f38d4b816b2aeca15c0b90000ea7ed40377eb0c'

* commit '3f38d4b816b2aeca15c0b90000ea7ed40377eb0c':
  vp9: Parse subsampling and report missing feature

Conflicts:
libavcodec/vp9.c
libavcodec/vp9.h

No change as FFmpeg already supports subsampling

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

Merge commit 'd68c05380cebf563915412182643a8be04ef890b'

* commit 'd68c05380cebf563915412182643a8be04ef890b':
  x86: check for AV_CPU_FLAG_AVXSLOW where useful

See: c16e99e3b3c02edcf33245468731d414eab97dac
Merged-by: Michael Niedermayer <michaelni@gmx.at>

x86: check for AV_CPU_FLAG_AVXSLOW where useful

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'cae39851201b7781f1262e1c23627b45e6e80bb4'

* commit 'cae39851201b7781f1262e1c23627b45e6e80bb4':
  x86: Add helper macros to check for slow cpuflags

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

Merge commit 'f7cafb5d02aa3f26c185f6f9851413ad77a73872'

* commit 'f7cafb5d02aa3f26c185f6f9851413ad77a73872':
  x86: add AV_CPU_FLAG_AVXSLOW flag

Conflicts:
doc/APIchanges
libavutil/version.h

See: c312bfac4c8ac1ac55d6648fd6eb36db436100f3
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit 'd0bf20a4f25ac5de021c860a0c8ad05638ee2078'

* commit 'd0bf20a4f25ac5de021c860a0c8ad05638ee2078':
  ppc: vsx: Implement diff_pixels and get_pixels

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

avutil/ppc/float_dsp_init: Disable duplicate functions

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

Merge commit 'eecd29b3fd7fee221580798346d6582b75c7ade4'

* commit 'eecd29b3fd7fee221580798346d6582b75c7ade4':
  ppc: vsx: Implement float_dsp

Conflicts:
libavutil/ppc/float_dsp_init.c

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

configure: ldbrx seems not working on qemu power8, disable for now

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

Merge commit '7d07ee5a9bd170a06d26fd967cf8de5d3b1ce331'

* commit '7d07ee5a9bd170a06d26fd967cf8de5d3b1ce331':
  ppc: cpu: Add support for VSX and POWER8 extensions

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

Merge commit 'da60b99a8857d5ca236f32c1799a066e0135a866'

* commit 'da60b99a8857d5ca236f32c1799a066e0135a866':
  ppc: Restrict some Altivec implementations to Big Endian

Conflicts:
libavcodec/ppc/huffyuvdsp_altivec.c
libavcodec/ppc/me_cmp.c

Not merged, our PPC64LE fate clients passed all tests last time they did run

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

Merge commit 'f22ebd2555d15b59e109a5b630dd71374b076d0b'

* commit 'f22ebd2555d15b59e109a5b630dd71374b076d0b':
  ppc: configure: Support ISA 2.06 and later

Conflicts:
configure

See: ab12373956e92b865bced9b05b12971f062cfd3e and others
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '3058872c293e239e3b51e86fe18cfbe720aadff1'

* commit '3058872c293e239e3b51e86fe18cfbe720aadff1':
  ppc: Clarify and extend the cpuid check

Conflicts:
libavutil/ppc/cpu.c

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

avutil/ppc/cpu: Check if unistd.h is available before including it

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

Merge commit 'baa94563fede8959a638b0fa132dd2124acd93e8'

* commit 'baa94563fede8959a638b0fa132dd2124acd93e8':
  ppc: linux: Check altivec using the auxv

Conflicts:
libavutil/ppc/cpu.c

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

Merge commit '7014b65995b1fe6188fb53447bf61b08e3963355'

* commit '7014b65995b1fe6188fb53447bf61b08e3963355':
  ppc: pixblockdsp: Use the abriged vector types

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

Merge commit '72cebae0d981dde144340cf51f3c323f01e215e5'

* commit '72cebae0d981dde144340cf51f3c323f01e215e5':
  ppc: avutil: Use the abriged vector types

Conflicts:
libavutil/ppc/float_dsp_altivec.c
libavutil/ppc/util_altivec.h

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

Merge commit '254eb5b6faebb7bcfc3cefc1edced6652fe9d5be'

* commit '254eb5b6faebb7bcfc3cefc1edced6652fe9d5be':
  ppc: avutil: Drop a potentially dangerous workaround

See: 9564375deeaf22f8e8eaa4fcbc33115d104f7138
Merged-by: Michael Niedermayer <michaelni@gmx.at>

avformat/libquvi: fix error handling

avoid calling cleanup functions on uninitialized variables

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

avfilter/vf_mpdecimate: add comment about 8x8 SAD

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

avfilter/vf_mpdecimate: support more pixel formats, including GBRP

Add some planar formats we can handle without distorting the meaning of
hi and lo.

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

avfilter/vf_mpdecimate: debug logging of threshold stats

It's often really helpful to know why a frame wasn't decimated (lo or
hi), and how much you exceeded the threshold by, if you're trying to
tweak the thresholds to get what you want.

mpdecimate already prints a line per input frame with -v debug, this
just makes it longer.

Signed-off-by: Peter Cordes <peter@cordes.ca>

mov: abort on EOF in ff_mov_read_chan

Otherwise the loop can take a lot of time if num_descr is very large.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

mov: Correctly allocate ctts_data

It can be reallocated.

CC: libav-stable@libav.org

mov: Fix two memleaks

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
CC: libav-stable@libav.org

avfilter/vf_mpdecimate: pass the same AVClass context as use elsewhere to av_pixelutils_get_sad_fn()

Signed-off-by: Peter Cordes <peter@cordes.ca>

vp9: Parse subsampling and report missing feature

tests: add some ASS/SSA/MKS remux and transcode tests

x86: check for AV_CPU_FLAG_AVXSLOW where useful

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

x86: Add helper macros to check for slow cpuflags

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

x86: add AV_CPU_FLAG_AVXSLOW flag

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

ppc: vsx: Implement diff_pixels and get_pixels

Use a macro to abstract the endianness.

ppc: vsx: Implement float_dsp

ppc: cpu: Add support for VSX and POWER8 extensions

ppc: Restrict some Altivec implementations to Big Endian

In Little Endian the vec_ld/vec_st operations work as
expected only for byte-vectors.

ppc: configure: Support ISA 2.06 and later

POWER 7 and POWER 8 support VSX and ldbrx.

POWER 8 supports additional extended VSX instructions introduced
with ISA 2.07.

ppc: Clarify and extend the cpuid check

Add POWER entries.

ppc: linux: Check altivec using the auxv

Should prevent trying to use altivec when it is disabled by the kernel.

ppc: pixblockdsp: Use the abriged vector types

ppc: avutil: Use the abriged vector types

ppc: avutil: Drop a potentially dangerous workaround

The compiler is free to optimize such expressions in any sort of way.

configure: Check for SecItemImport for securetransport as well

This fixes the default build on iOS; eventually I should come up with
a better solution for that platform.

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

Merge commit '881b80b3294483696a21b21a69fa5eee30f33037'

* commit '881b80b3294483696a21b21a69fa5eee30f33037':
  network: prevent SIGPIPE on OSX

See: c41e0aedf5fc2a92502bc400010e64b8fea89d4e
Merged-by: Michael Niedermayer <michaelni@gmx.at>

network: prevent SIGPIPE on OSX

OSX does not know MSG_NOSIGNAL. BSD (which OSX is based on) has got
the socket option SO_NOSIGPIPE (even if modern BSDs also support
MSG_NOSIGNAL).

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

avfilter/vf_fade: Force alpha pixel format if alpha is set to 1

Fixes Ticket4321

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

avcodec/parser: Print an error in case of reallocation fails in ff_combine_frame()

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

postproc: Avoid floats in maxClipped computation

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

postproc/postprocess_template: Compute packedYScale and QPCorrecture without floats

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

network: prevent SIGPIPE on OSX

OSX does not know MSG_NOSIGNAL, and provides its own non-standard
mechanism instead. I guess Apple hates standards.

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

Merge commit '0181ae9af2de1526464d23209b82e6674d362f5d'

* commit '0181ae9af2de1526464d23209b82e6674d362f5d':
  h264: Make sure reinit failures mark the context as not initialized

Conflicts:
libavcodec/h264_slice.c

See: e8714f6f93d1a32f4e4655209960afcf4c185214
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '5ecabd3c54b7c802522dc338838c9a4c2dc42948'

* commit '5ecabd3c54b7c802522dc338838c9a4c2dc42948':
  msrle: Use FFABS to determine the frame size in msrle_decode_pal4

Conflicts:
libavcodec/msrledec.c

See: f7e1367f58263593e6cee3c282f7277d7ee9d553
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libopenjpegdec: check existence of image component data

libopenjpeg can return images with components without data.

This fixes segmentation faults.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

doc/ffmpeg: Document xerror

Previous version reviewed-by: Lou Logan <lou@lrcd.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/movenc: Add loction/xyz support to allow copying data between mov files

Fixes Ticket4337

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

h264: Make sure reinit failures mark the context as not initialized

Bug-Id: CVE-2015-3417
CC: libav-stable@libav.org

msrle: Use FFABS to determine the frame size in msrle_decode_pal4

As done in msrle_decode_8_16_24_32.

Bug-Id: CVE-2015-3395
CC: libav-stable@libav.org

avformat/mov: Also export loci altitude

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

avformat/mov: Append place name instead of overwriting for loci

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

lavf/tls_securetransport: add missing copyright notice

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

avcodec/dvbsubdec: Fix buf_size check in dvbsub_parse_display_definition_segment()

Fixes Ticket4326

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

avformat/h264dec: Add ff_tlog() with trace information about h264 probing

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

avformat/h264dec: Fix detection of invalid h264 with 0x100 startcodes

Fies Ticket4325

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

Merge commit 'b2f0f37d242f1194fe1f886557cf6cefdf98caf6'

* commit 'b2f0f37d242f1194fe1f886557cf6cefdf98caf6':
  rtmpdh: Generate the whole private exponent using av_get_random_seed() with nettle/gmp

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

rtmpdh: Generate the whole private exponent using av_get_random_seed() with nettle/gmp

Don't use a PRNG for generating it; that defies the intended use
within the cryptograhic handshake.

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

lavf/tls: Support Secure Transport

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

configure: Fix showcqt fft dependancy

Found-by: Muhammad Faiz <mfcc64@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

build: add configure option pkgconfigdir

This allows the user to override the directory for the installation
of the pkg-config files (from the default LIBDIR/pkgconfig).

It follows the usual behaviour of Makefiles generated by automake.

Signed-off-by: Ingo Brückl <ib@wupperonline.de>
Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavutil: Cosmetic changes to fixed_dsp file.

Names of functions vector_fmul_window_fixed_c and
vector_fmul_window_fixed_scaled_c are changed by removing "_fixed"
from the name since it is redundant.

Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

mov: fix DTS calculation for samples with negative stts duration

A negative sample duration is invalid according to the spec, but there
are samples that use it for the DTS calculation, e.g.:
http://files.1f0.de/samples/mp4-negative-stts-problem.mp4

These currently get out of A/V sync.

Also change the logging type to AV_LOG_WARNING, because decoding the
sample can continue.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>

avcodec/mpegvideo: Use FFSWAP to exchange pointers

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

avcodec/ac3_parser: Avoid floats in bitrate computation

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

avformat/movenc: Check that track_width_1616 fits within the available 32bit before storing it

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

avformat/movenc: avoid floats in width/height/aspect ratio computations

This avoids the possibility for rounding/precision differences between platforms

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

avformat/concatdec: Enable auto_convert by default

Users have no means to find out from a failure how to make it work
or is it preferred to check and print a warning for h264 concat without auto_convert ?

Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mov: Avoid float usage in yuv_to_rgba()

This avoids the possibility for rounding/precision differences between platforms

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

Merge commit 'e9e86d9ef637f5a600c76b352ffe5a82b71b25d1'

* commit 'e9e86d9ef637f5a600c76b352ffe5a82b71b25d1':
  rtmpdh: Create sufficiently long private keys for gcrypt/nettle

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

Merge commit '8016a1bd3b60e917e1b12748dd80c06c3462c286'

* commit '8016a1bd3b60e917e1b12748dd80c06c3462c286':
  rtmpdh: Remove an unnecessary check in the gcrypt/nettle dh_compute_key

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

Merge commit '063f7467e4d14ab7fe01b2845dab60cc75df8b53'

* commit '063f7467e4d14ab7fe01b2845dab60cc75df8b53':
  rtmpdh: Add fate test for the DH handshake routine

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

Merge commit '0508faaa11bf7507ffdd655aee57c9dc5a8203f4'

* commit '0508faaa11bf7507ffdd655aee57c9dc5a8203f4':
  rtmpdh: Pass the actual buffer size of the output secret key

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

Merge commit '9f1b3050d9e31e9283d818f3640f3460ac8cfb5b'

* commit '9f1b3050d9e31e9283d818f3640f3460ac8cfb5b':
  rtmpdh: Check the output buffer size in the openssl version of dh_compute_key

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

Merge commit '127d813bcb5705202b7100cf1eccd1e26d72ba14'

* commit '127d813bcb5705202b7100cf1eccd1e26d72ba14':
  rtmpdh: Fix a local variable name in the nettle/gcrypt codepath

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

Merge commit '78efc69e7c990226f4b913721ef1b308ca5bfa04'

* commit '78efc69e7c990226f4b913721ef1b308ca5bfa04':
  rtmpdh: Make sure ret is initialized in the nettle version of bn_hex2bn

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

rtmpdh: Create sufficiently long private keys for gcrypt/nettle

There was a misunderstanding betewen bits and bytes for the parameter
value for generating random big numbers.

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

rtmpdh: Remove an unnecessary check in the gcrypt/nettle dh_compute_key

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

rtmpdh: Add fate test for the DH handshake routine

This helps if these functions need to be implemented using another
crypto API.

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

rtmpdh: Pass the actual buffer size of the output secret key

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

rtmpdh: Check the output buffer size in the openssl version of dh_compute_key

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

rtmpdh: Fix a local variable name in the nettle/gcrypt codepath

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

rtmpdh: Make sure ret is initialized in the nettle version of bn_hex2bn

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

dxva2_hevc: re-write reference frame handling

The old logic required and explicit clearing of the lists first and was
prone to overflow the DXVA2 struct in some circumstances.

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

dxva2_hevc: fix 32x32 scaling lists

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

avcodec/mpegvideo: Reset bitstream_buffer_size on allocation failure

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

avcodec/mpegvideo: Check pointer when allocation fail

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

avformat/avienc: Correct possible dereference of null

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

Merge commit 'a64a5773ea5f7337cd1d87cfdf511914d317fe81'

* commit 'a64a5773ea5f7337cd1d87cfdf511914d317fe81':
  pixfmt: remove misleading and broken documentation

Conflicts:
libavutil/pixfmt.h

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

Merge commit 'e4610300de6869bd6b3b00e76cfeabb6d7653dcd'

* commit 'e4610300de6869bd6b3b00e76cfeabb6d7653dcd':
  x86: cavs: Remove an unneeded scratch buffer

Conflicts:
libavcodec/x86/cavsdsp.c

See: d79f7bf0d63a81ee66026ee92a6946a7303d04bd
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Merge commit '1b1bb2c4efc126d74d44d8c421860c85f932ecb1'

* commit '1b1bb2c4efc126d74d44d8c421860c85f932ecb1':
  rl: Add error checking to ff_rl_init().

Conflicts:
libavcodec/rl.h

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