We've been doing some experimentation with ffmpeg to encode video for live streaming and for recording to files for on-demand playback.  While I've been impressed by the capabilities of ffmpeg, I've found that its command-line processing is quite dau…

[quote ]ffmpeg, gstreamer, Raspberry Pi, Windows Desktop streaming http://blog.pi3g.com/2013/08/ffmpeg-gstreamer-raspberry-pi-windows-desktop-streaming/ This is a work still in progress with unsatisfactory results (image quality, delay, very low fram…

ffmpeg的内部Video Buffer管理和传送机制 本文主要介绍ffmpeg解码器内部管理Video Buffer的原理和过程,ffmpeg的Videobuffer为内部管理,其流程大致为:注册处理函数->帧级释放->帧级申请->清空. 1 注册get_buffer()和release_buffer() FFAPI_InitCodec() avcodec_alloc_context() avcodec_alloc_context2() avcodec_get_context_def…

FOURCC Name Summary 1978 A.M.Paredes predictor This is a LossLess video codec. >>> 2VUY 2VUY / BlackMagic >>> 3IV0 3ivx 3IV0 no longer used for this codec, however some files might be around. >>> 3IV1 3ivx MPEG4-based codec. Use…

You can use the following tutorial to install ffmpeg and other video modules in your centos server.FFmpegis an audio/video conversion tool. It includes libavcodec, the leading open source codec library. An experimental streaming server for live broad…

一.环境准备 ffmpeg下载:http://www.ffmpeg.org/download.html x264下载:http://download.videolan.org/x264/snapshots/ yasm下载:http://yasm.tortall.net/Download.html 二.编译 1.编译yasm.最新的x264,要求yasm1.2以上 ./configure --prefix=/usr/local/yasm make make install 2.解压x264,进入目…

近日需要做一个视频转码服务器,对我这样一个在该领域的新手来说却是够我折腾一番,在别人的建议下开始研究开源ffmpeg项目,下面是在代码中看到的一 段例子代码,对我的学习非常有帮助.该例子代码包含音频的解码/编码和视频的编码/解码,其中主要用到编解码的libavcodec组件.以下是完整的例 子,代码自身的注释足够清晰了./**  * @file  * libavcodec API use example.  *  * Note that libavcodec only handles codec…

===================================================== 最简单的基于FFmpeg的视频编码器文章列表: 最简单的基于FFMPEG的视频编码器(YUV编码为H.264) 最简单的基于FFmpeg的视频编码器-更新版(YUV编码为HEVC(H.265)) 最简单的基于FFmpeg的编码器-纯净版(不包含libavformat) ===================================================== 本文记录一个更…

环境 系统环境:CentOS release 6.7 (Final) 需求 编译安装ffmpeg 获取依赖 安装依赖包 yum install -y autoconf automake cmake freetype-devel gcc gcc-c++ git libtool make mercurial nasm pkgconfig zlib-devel 创建编译源码的目录 mkdir ~/ffmpeg_sources 编译&安装 Note:如果您不需要特定的编码器,可以跳过相关部分,然后删除编…

本文为作者原创,转载请注明出处:https://www.cnblogs.com/leisure_chn/p/10297002.html 本文介绍FFmpeg最基础的概念,了解FFmpeg的简单使用,帮助理解FFmpeg工程源码.内容主要节选和翻译自书籍<FFmpeg Basics>及官网文档"Documentation-ffmpeg"和"Documentation-ffmpeg-all". 1. 概述 FFmpeg是一款用于多媒体处理的自由软件工程,基于…