Adding gmp, gnutls, libidn, libunistring, nettle, libtasn1, lame, ffmpeg

ffmpeg/.gitattributes

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+*.pnm -diff -text
+tests/ref/fate/sub-scc eol=crlf

ffmpeg/.gitignore

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+*.a
+*.o
+*.o.*
+*.d
+*.def
+*.dll
+*.dylib
+*.exe
+*.exp
+*.gcda
+*.gcno
+*.h.c
+*.ilk
+*.lib
+*.pc
+*.pdb
+*.so
+*.so.*
+*.swp
+*.ver
+*.version
+*.ptx
+*.ptx.c
+*.ptx.gz
+*_g
+\#*
+.\#*
+/.config
+/.version
+/ffmpeg
+/ffplay
+/ffprobe
+/config.asm
+/config.h
+/coverage.info
+/avversion.h
+/lcov/
+/src
+/mapfile
+/tools/python/__pycache__/

ffmpeg/.mailmap

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+<james.darnley@gmail.com> <jdarnley@obe.tv>
+<jeebjp@gmail.com> <jan.ekstrom@aminocom.com>
+<sw@jkqxz.net> <mrt@jkqxz.net>
+<u@pkh.me> <cboesch@gopro.com>
+<zhilizhao@tencent.com> <quinkblack@foxmail.com>
+<zhilizhao@tencent.com> <wantlamy@gmail.com>
+<modmaker@google.com> <modmaker-at-google.com@ffmpeg.org>
+<stebbins@jetheaddev.com> <jstebbins@jetheaddev.com>
+<barryjzhao@tencent.com> <mypopydev@gmail.com>
+<barryjzhao@tencent.com> <jun.zhao@intel.com>
+<josh@itanimul.li> <joshdk@obe.tv>
+<michael@niedermayer.cc> <michaelni@gmx.at>
+<linjie.justin.fu@gmail.com> <linjie.fu@intel.com>
+<linjie.justin.fu@gmail.com> <fulinjie@zju.edu.cn>
+<ceffmpeg@gmail.com> <cehoyos@ag.or.at>
+<ceffmpeg@gmail.com> <cehoyos@rainbow.studorg.tuwien.ac.at>
+<ffmpeg@gyani.pro> <gyandoshi@gmail.com>
+<atomnuker@gmail.com> <rpehlivanov@obe.tv>
+<lizhong1008@gmail.com> <zhong.li@intel.com>
+<lizhong1008@gmail.com> <zhongli_dev@126.com>
+<andreas.rheinhardt@gmail.com> <andreas.rheinhardt@googlemail.com>
+rcombs <rcombs@rcombs.me> <rodger.combs@gmail.com>
+<thilo.borgmann@mail.de> <thilo.borgmann@googlemail.com>
+<liuqi05@kuaishou.com> <lq@chinaffmpeg.org>
+<ruiling.song83@gmail.com> <ruiling.song@intel.com>

ffmpeg/.travis.yml

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+language: c
+sudo: false
+os:
+  - linux
+  - osx
+addons:
+  apt:
+    packages:
+      - nasm
+      - diffutils
+compiler:
+  - clang
+  - gcc
+matrix:
+    exclude:
+        - os: osx
+          compiler: gcc
+cache:
+  directories:
+    - ffmpeg-samples
+before_install:
+  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi
+install:
+  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install nasm; fi
+script:
+  - mkdir -p ffmpeg-samples
+  - ./configure --samples=ffmpeg-samples --cc=$CC
+  - make -j 8
+  - make fate-rsync
+  - make check -j 8

ffmpeg/CONTRIBUTING.md

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+# Note to Github users
+Patches should be submitted to the [ffmpeg-devel mailing list](https://ffmpeg.org/mailman/listinfo/ffmpeg-devel) using `git format-patch` or `git send-email`. Github pull requests should be avoided because they are not part of our review process and **will be ignored**.
+
+See [https://ffmpeg.org/developer.html#Contributing](https://ffmpeg.org/developer.html#Contributing) for more information.