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原创 H.264/AVC的帧内预测

这一期来聊一聊H.264/AVC的帧内预测。目录这一期来聊一聊H.264/AVC的帧内预测。帧内预测H.264帧内预测算法亮度4x4块帧内预测亮度16x16帧内预测色度块8x8帧内预测帧内预测帧内预测？预测？总感觉这个词有股神奇的力量为什么要预测？帧内预测呢它又有什么样的作用呢？为什么要预测——因为一般来说，对于一幅自然图像，...

2020-03-16 16:21:32 766

原创 H.264/AVC标准-Section1

本期为大家带来H.264/AVC视频标准的介绍。H.264是ITU-T的VCEG（视频编码专家组）和ISO/IEC的MPEG（活动图像编码专家组）的联合视频组（JVT：Joint Video Team）开发的一个数字视频编码标准。History国际上制定视频编解码技术的组织有两个，一个是“国际电联（ITU-T）”，它制定的标准有H.261、H.263、H.263+等，另...

2020-03-16 15:40:14 314

原创多媒体技术综述

什么是多媒体技术多媒体技术是指以数字化为基础，能够对多种媒体信息进行采集、加工处理、存储、和传递，并能使各种媒体信息之间建立起有机的逻辑联系，集成为一个具有良好交互性的系统技术。多媒体技术的关键特性多媒体技术除信息载体的多样化以外，还具有以下的关键特性：集成性　　采用了数字信号，可以综合处理文字、声音、图形、动画、图像、视频等多种信息，并将这些不同类型的信息有机地结合...

2020-03-02 16:28:55 866

Prerequisites:1. Install Git to check out source code (https://git-scm.com/)2. Install CMake version 3.5 or higher (https://cmake.org)3. Install Perl (https://www.perl.org/)4. Install Yasm if you need...

2018-06-14 16:21:21 1512

H.264分析工具CodecVisa Setup Installer

CodecVisa安装包视频码率分析 H.264/AVC 码流分析工具 bitstream NALU分析

2020-03-16

ffprobe-20190623-bc3306f-win64-static可执行文件

Build: ffprobe-20190623-bc3306f-win64-static 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 2.0.9 <https://libsdl.org> Fontconfig 2.13.0 <http://freedesktop.org/wiki/Software/fontconfig> GnuTLS 3.6.7.1 <https://gnutls.org/> libiconv 1.15 <http://gnu.org/software/libiconv> libass 0.14.0 <https://github.com/libass/libass> dav1d 20190620-4a2ea99 <https://code.videolan.org/videolan/dav1d> libbluray 20180913-2d18c70 <https://www.videolan.org/developers/libbluray.html> FreeType 2.10.0 <http://freetype.sourceforge.net> LAME 3.100 <http://lame.sourceforge.net> OpenCORE AMR 20170731-07a5be4 <https://sourceforge.net/projects/opencore-amr> OpenJPEG 20190402-d0dd894 <https://github.com/uclouvain/openjpeg> Opus 20190604-ad8fe90 <https://opus-codec.org> shine 3.1.1 <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 20190620-7d9288f <http://webmproject.org> WavPack 5.1.0 <http://wavpack.com> WebP 1.0.2 <https://developers.google.com/speed/webp> x264 20190314-5493be8 <https://www.videolan.org/developers/x264.html> x265 20190618-b36c03e <https://bitbucket.org/multicoreware/x265/wiki/Home> libxml2 2.9.8 <http://xmlsoft.org> z.lib 20190324-89fad4b <https://github.com/sekrit-twc/zimg> XZ Utils 5.2.4 <http://tukaani.org/xz> zlib 1.2.11 <http://zlib.net> vid.stab 20190213-aeabc8d <http://public.hronopik.de/vid.stab> Vorbis 20180705-46e70fa <http://vorbis.com> VisualOn AMR-WB 20141107-3b3fcd0 <https://sourceforge.net/projects/opencore-amr> libmysofa 20181220-50ee637 <https://github.com/hoene/libmysofa> Speex 20181021-6e04bfa <http://speex.org> Xvid 1.3.5 <https://labs.xvid.com> aom 20190621-661552d <https://aomedia.googlesource.com/aom> libmfx 1.27 <https://software.intel.com/en-us/media-sdk> AMF 1.4.7 <https://gpuopen.com/gaming-product/advanced-media-framework> nv-codec-headers 20190311-96a6db0 <https://git.videolan.org/?p=ffmpeg/nv-codec-headers.git> OpenMPT 20190424-2863742 <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/>.

2020-03-16

ffplay-20190623-bc3306f-win64-static 可执行文件

Build: ffmpeg-20190623-bc3306f-win64-static 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 2.0.9 Fontconfig 2.13.0 GnuTLS 3.6.7.1 libiconv 1.15 libass 0.14.0 dav1d 20190620-4a2ea99 libbluray 20180913-2d18c70 FreeType 2.10.0 LAME 3.100 OpenCORE AMR 20170731-07a5be4 OpenJPEG 20190402-d0dd894 Opus 20190604-ad8fe90 shine 3.1.1 Snappy 1.1.7 libsoxr 20180224-945b592 Theora 20171023-e5d205b TwoLAME 0.3.13 vpx 20190620-7d9288f WavPack 5.1.0 WebP 1.0.2 x264 20190314-5493be8 x265 20190618-b36c03e libxml2 2.9.8 z.lib 20190324-89fad4b XZ Utils 5.2.4 zlib 1.2.11 vid.stab 20190213-aeabc8d Vorbis 20180705-46e70fa VisualOn AMR-WB 20141107-3b3fcd0 libmysofa 20181220-50ee637 Speex 20181021-6e04bfa Xvid 1.3.5 aom 20190621-661552d libmfx 1.27 AMF 1.4.7 nv-codec-headers 20190311-96a6db0 OpenMPT 20190424-2863742 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 .

2020-03-16

ffmpeg-20190623-bc3306f-win64-static 可执行文件

FFmpeg Builds Build: ffmpeg-20190623-bc3306f-win64-static 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

2020-03-16