Fixes:
    fatal error: libvmaf.h: No such file or directory.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

This one changes the previous vmaf patch to libvmaf to keep it separate from the
native implementation of vmaf inside ffmpeg later.

Signed-off-by: Ashish Singh <ashk43712@gmail.com>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

The pkg-config file is relatively new (2013), so some distros might
not have it yet. And the -lstdc++ being required for the static lib
is only present since the last release in December 2016.

libvorbis comes with pkg-config files since at least v1.0.1, way back in 2003.

We need the two checks for vorbis and vorbisenc because we use functions from
both and Xiph considers them separate libraries.

The check is inverted (vorbis first then vorbisenc) because add_extralibs()
prepends to EXTRALIBS instead of appending. For both shared and static linking
the order didn't seem to matter anyway, testing with MinGW.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

Basically copied from VLC (LGPL):

http://git.videolan.org/?p=vlc.git;a=blob;f=modules/video_output/win32/direct3d11.c;h=e9fcb83dcabfe778f26e63d19f218caf06a7c3ae;hb=HEAD#l1482
http://git.videolan.org/?p=vlc.git;a=blob;f=modules/codec/avcodec/d3d11va.c;h=85e7d25caebc059a9770da2ef4bb8fe90816d76d;hb=HEAD#l599



Merges Libav commit cfc9e7c9.

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

When targeting the UWP API subset, the LoadLibrary function is not
available (and the fallback, LoadPackagedLibrary, can't be used to
load system DLLs). In these cases, link directly to the functions
in the DLLs instead of trying to load them dynamically at runtime.

Merges Libav commit fd1ffa1f.

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

This also adds support to avconv (which is trivial due to the new
hwaccel API being generic enough).

The new decoder setup code in dxva2.c is significantly based on work by
Steve Lhomme <robux4@gmail.com>, but with heavy changes/rewrites.

Merges Libav commit f9e7a2f9.
Also adds untested VP9 support.
The check for DXVA2 COBJs is removed. Just update your MinGW to
something newer than a 5 year old release.

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

(cherry picked from commit 0fd91e4b)

Signed-off-by: Michael Bradshaw <mjbshaw@google.com>

If the first assembler to be probed is an old nasm build, X86ASM_DEPFLAGS
will be set and remain so after yasm is ultimately used as fallback.
This results in yasm being called with said nasm specific flags and failing
during actual object assembly but not with configure sanity checks.

Regression since 5cae5a1d

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

This allows for more graceful fallback from NASM to Yasm if the available
NASM version is too old.

(Cherry-picked from libav commit adfd7892)
Signed-off-by: James Almer <jamrial@gmail.com>

NASM is more actively maintained and permits generating dependency information
as a sideeffect of assembling, thus cutting build times in half.

(Cherry-picked from libav commit 57b753b4)

Signed-off-by: James Almer <jamrial@gmail.com>

"nasm --version" works on nasm since around version 2.11 and as
such configure assumed it was yasm.

Based on libav commit f54037da by
Diego Biurrun.

Signed-off-by: James Almer <jamrial@gmail.com>

Consistently use object format names with "32" suffix and set object format
to "win64" on Windows x86_64, which fixes assembling with nasm.

(Cherry-picked from libav commit 808ef435)

Signed-off-by: James Almer <jamrial@gmail.com>

(Cherry-picked from libav commit 3c0efbd0)

Signed-off-by: James Almer <jamrial@gmail.com>

None of them are specific to the YASM assembler.

(Cherry-picked from libav commit 39e208f4)

Signed-off-by: James Almer <jamrial@gmail.com>

The early check for inconsistent in-source vs out-of-source build
cannot generate a config.log otherwise.

(Cherry-picked from libav commit 0ee78020)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: James Almer <jamrial@gmail.com>

(cherry picked from commit 2f792cb6)

Reduces the amount of debugging information of external asm from
uselessly verbose to informative enough.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Reviewed-by: James Darnley <james.darnley@gmail.com>

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

Android TV and FireOS hardware supports mpeg2 hardware decoding via
MediaCodec.

Signed-off-by: Matthieu Bouron <matthieu.bouron@gmail.com>

The current upstreamed code has been written and tested for Little Endian systems.
We do have plans to add the Big Endian support in near future, but till that time, need to disable all to avoid its usage and failures.

Signed-off-by: Shivraj Patil <shivraj.patil@imgtec.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

This was actually broken when committed in 46e3936f; the
test never succeeded, and thus, _aligned_malloc wasn't actually
used on legacy mingw.

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 427f7a1f)

The library has stopped being developed and Debian has removed it
from its repositories citing security issues.
The native Dirac decoder supports everything the library has and basic
encoding support is still provided via the native vc2 (Dirac Pro, intra
only version of Dirac) encoder. Hence, there's no reason to still support
linking to the library and potentially leading users into security issues.

libnut is outdated and not developed anymore, all nut developments
happens in this repo, so users are getting mislead

It was broken in 091c9860

It's not used by anything, has dubious usefulness, the reasons for which
it was introduced are no longer valid, and only serves to add complexity
to the build system.

Signed-off-by: James Almer <jamrial@gmail.com>

Enables rendering of SVG images. This is possible since SVG images
still contain and specify the dimensions in pixels to which they've
been drawn to and thus enable browsers to display them without any
external data. Users can still override and generate images with
arbitrary resolutions.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

This dependency was removed in 33d69a90.

Original work by Yogender Gupta <ygupta@nvidia.com>

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

Purpose: Added require alternative for libmfx in the case that pkg-config
cannot find libmfx.  On Linux, most people likely get libmfx via
https://github.com/lu-zero/mfx_dispatch , but on Windows, the most
well-known way to get libmfx is via the Intel Media SDK, which
provides a static build of libmfx.lib and also provides the source
code for building libmfx yourself.  If built this way, there are no
pkg-config files to be found.

Comments:

-- configure: Altered enabled libmfx step to use use_pkg_config()
   instead of require_pkg_config(), and, if use_pkg_config() fails, it
   falls back to require().  Also added explanatory comment.  Note
   that the reason that require() is passed -llibmfx as the last
   argument, instead of -lmfx, is the file name for the library
   produced from the Intel Media SDK starts with "libmfx".
   Apparently, the filename for the library produced via
   https://github.com/lu-zero/mfx_dispatch

 starts with "mfx".

Signed-off-by: Aaron Levinson <alevinsn@aracnet.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Purpose: Made minor changes to get the decklink avdevice code to build
using Visual C++.

Notes: Made changes to configure per Hendrik Leppkes's review of first
and second versions of patch.  Also made slight alterations per Marton
Balint's reviews.

Comments:

-- configure: Added if enabled decklink section and setting
   decklink_indev_extralibs and decklink_outdev_extralibs here for
   both mingw and Windows.  Also eliminated the setting of these
   variables in the mingw section earlier in the file.

-- libavdevice/decklink_common.cpp: Switched the order of the include
   of libavformat/internal.h to workaround build issues with Visual
   C++.  See comment in file for more details.

-- libavdevice/decklink_dec.cpp:
a) Rearranged the include of libavformat/internal.h (for reasons as
   described above).
b) Made slight alteration to an argument for call to av_rescale_q() to
   workaround a compiler error with Visual C++.  This appears to only
   be an issue when building C++ files with Visual C++.  See comment
   in code for more details.

-- libavdevice/decklink_enc.cpp: Rearranged the include of
   libavformat/internal.h (for reasons as described above).

Signed-off-by: Aaron Levinson <alevinsn@aracnet.com>
Signed-off-by: Marton Balint <cus@passwd.hu>

ossfuzz works better without it

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Prevents compilation failures on libopus < 1.0.3
Regression since 37941878.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>