ffmpeg编解码，解封装封装

Zeranoe FFmpeg Builds <http://ffmpeg.zeranoe.com/builds/> Build: ffmpeg-4.2.1-win32-shared Configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt Libraries: SDL 20190910-0c66be7 <https://libsdl.org> Fontconfig 2.13.0 <http://freedesktop.org/wiki/Software/fontconfig> GnuTLS 3.6.9 <https://gnutls.org/> libiconv 1.15 <http://gnu.org/software/libiconv> libass 0.14.0 <https://github.com/libass/libass> dav1d 20190910-556890b <https://code.videolan.org/videolan/dav1d> libbluray 20180913-2d18c70 <https://www.videolan.org/developers/libbluray.html> FreeType 2.10.1 <http://freetype.sourceforge.net> LAME 3.100 <http://lame.sourceforge.net> OpenCORE AMR 20170731-07a5be4 <https://sourceforge.net/projects/opencore-amr> OpenJPEG 20190903-e66125f <https://github.com/uclouvain/openjpeg> Opus 20190903-cd529ed <https://opus-codec.org> shine 20190420-76ea4f0 <https://github.com/savonet/shine> Snappy 1.1.7 <https://github.com/google/snappy> libsoxr 20180224-945b592 <http://sourceforge.net/projects/soxr> Theora 20171023-e5d205b <http://theora.org> TwoLAME 0.3.13 <http://twolame.org> vpx 20190911-8025696 <http://webmproject.org> WavPack 5.1.0 <http://wavpack.com> WebP 20190904-af650c0 <https://developers.google.com/speed/webp> x264 20190717-3759fcb <https://www.videolan.org/developers/x264.html> x265 20190813-c4b098f <https://bitbucket.org/multicoreware/x265/wiki/Home> libxml2 2.9.9 <http://xmlsoft.org> z.lib 20190914-72b6bec <https://github.com/sekrit-twc/zimg> XZ Utils 5.2.4 <http://tukaani.org/xz> zlib 1.2.11 <http://zlib.net> GMP 6.1.2 <https://gmplib.org> vid.stab 20190213-aeabc8d <http://public.hronopik.de/vid.stab> Vorbis 20190128-9eadecc <http://vorbis.com> VisualOn AMR-WB 20141107-3b3fcd0 <https://sourceforge.net/projects/opencore-amr> libmysofa 20190516-3dba53f <https://github.com/hoene/libmysofa> Speex 20190808-58ac1d4 <http://speex.org> Xvid 1.3.5 <https://labs.xvid.com> aom 20190913-861fd02 <https://aomedia.googlesource.com/aom> libmfx 1.27 <https://software.intel.com/en-us/media-sdk> AMF 20190828-95220c0 <https://gpuopen.com/gaming-product/advanced-media-framework> nv-codec-headers 20190913-4094cc6 <https://git.videolan.org/?p=ffmpeg/nv-codec-headers.git> OpenMPT 20190806-2426ee5 <https://openmpt.org> Copyright (C) 2019 Kyle Schwarz This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.