1.：fmpeg官网下载地址：/download.html
2：下载windows、linux
2.1：下载windows
2.2：下载linux和命令
1.安装依赖
yum install autoconf automake bzip2 bzip2-devel cmake freetype-devel gcc gcc-c++ git libtool make mercurial pkgconfig zlib-devel
2.mkdir ~/ffmpeg_sources
3.安装Yasm
git clone --depth 1 git:///yasm/yasm.git
cd yasm
autoreconf -fiv
./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin"
make && make install
make distclean
4.安装libx264
cd ~/ffmpeg_sources
git clone --depth 1 git:///x264
cd x264
PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin" --enable-static
make && make install
make distclean
5.安装libx265
cd ~/ffmpeg_sources
tar zxvf x265_v3_3.tar.gz
cd ~/ffmpeg_sources/x265/build/linux
cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX="$HOME/ffmpeg_build" -DENABLE_SHARED:bool=off ../../source
make && make install
6.安装libfdk_aac
cd ~/ffmpeg_sources
git clone --depth 1 git://git./p/opencore-amr/fdk-aac
cd fdk-aac
autoreconf -fiv
./configure --prefix="$HOME/ffmpeg_build" --disable-shared
make && make install
make distclean
7.安装libmp3lame安装
cd ~/ffmpeg_sources
curl -O -L /project/lame/lame/3.100/lame-3.100.tar.gz
tar xzvf lame-3.100.tar.gz
cd lame-3.100
./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin" --disable-shared --enable-nasm
make && make instal
8.安装libopus
cd ~/ffmpeg_sources
curl -O -L /pub/opus/opus-1.3.1.tar.gz
tar xzvf opus-1.3.1.tar.gz
cd opus-1.3.1
./configure --prefix="$HOME/ffmpeg_build" --disable-shared
make && make install
9.安装libvpx
cd ~/ffmpeg_sources
git clone --depth 1 /webm/libvpx.git
cd libvpx
./configure --prefix="$HOME/ffmpeg_build" --disable-examples --disable-unit-tests --enable-vp9-highbitdepth --as=yasm
make && make install
10.编译安装ffmpeg
cd ~/ffmpeg_sources
curl -O -L /releases/ffmpeg-snapshot-git.tar.bz2
ar xjvf ffmpeg-snapshot.tar.bz2
cd ffmpeg
PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure \
--prefix="$HOME/ffmpeg_build" \
--pkg-config-flags="--static" \
--extra-cflags="-I$HOME/ffmpeg_build/include" \
--extra-ldflags="-L$HOME/ffmpeg_build/lib" \
--extra-libs=-lpthread \
--extra-libs=-lm \
--bindir="$HOME/bin" \
--enable-gpl \
--enable-libfdk_aac \
--enable-libfreetype \
--enable-libmp3lame \
--enable-libopus \
--enable-libvpx \
--enable-libx264 \
--enable-libx265 \
--enable-nonfree
make && make install
3：
/*** 多种类型转码* @param path（比如：http://localhost:8081//06/27/21546789.avi）* @param type(转码类型)* @param ffmpegType(比如：mp4)* @return*/public String path(String path,Integer type,String ffmpegType){String newFilePath = basePath + UUID.randomUUID().toString() ;String transcoding="";if(StringUtils.isEmpty(type)){if(StringUtils.isEmpty(ffmpegType))ffmpegType=videoFormat;transcoding = ffmpegPath + " -y -r 5 -i "+path+" -strict -2 -vcodec libx264 -acodec aac -ac 1 "+newFilePath+ffmpegType;}else {switch (type){case 1:if(StringUtils.isEmpty(ffmpegType))ffmpegType=videoFormat;transcoding = ffmpegPath + " -r 5 -i "+path+" -strict -2 -vcodec libx264 -acodec opus -ac 1 "+newFilePath+ffmpegType;break;case 2:if(StringUtils.isEmpty(ffmpegType))ffmpegType=".avi";transcoding=ffmpegPath + " -i "+path+" -strict -2 -vcodec libx264 -acodec pcm_u8 "+newFilePath+ffmpegType;break;case 16:if(StringUtils.isEmpty(ffmpegType))ffmpegType=".avi";transcoding=ffmpegPath + " -i "+path+" -strict -2 -vcodec libx264 -acodec pcm_alaw "+newFilePath+ffmpegType;break;case 3:if(StringUtils.isEmpty(ffmpegType))ffmpegType=videoFormat;transcoding=ffmpegPath + " -i "+path+" -strict -2 -c:v libx265 -b:v 500k -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;break;case 4:if(StringUtils.isEmpty(ffmpegType))ffmpegType=videoFormat;transcoding=ffmpegPath + " -i "+path+" -strict -2 -vcodec libx265 -acodec opus -ac 1 -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;break;/* case 12:transcoding=ffmpegPath + " -i "+path+" -strict -2 -vcodec libx265 -acodec pcm_u8 -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+".avi";ffmpegType=".avi";break;case 15:transcoding=ffmpegPath + " -i "+path+" -strict -2 -vcodec libx265 -acodec pcm_alaw -ac 1 -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+".avi";ffmpegType=".avi";break;*/case 5:if(StringUtils.isEmpty(ffmpegType))ffmpegType=videoFormat;transcoding=ffmpegPath + " -i "+path+" -strict -2 -vcodec libvpx-vp9 -acodec opus -ac 1 -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;break;case 6:if(StringUtils.isEmpty(ffmpegType))ffmpegType=videoFormat;transcoding= ffmpegPath + " -i "+path+" -strict -2 -vcodec libvpx-vp9 -acodec aac -f mp4 -y -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;break;case 12:if(StringUtils.isEmpty(ffmpegType))ffmpegType=videoFormat;transcoding= ffmpegPath + " -i "+path+" -strict -2 -vcodec libvpx-vp9 -acodec vorbis -f mp4 -y -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;break;case 11:if(StringUtils.isEmpty(ffmpegType))ffmpegType=".avi";transcoding= ffmpegPath + " -i "+path+" -strict -2 -vcodec libvpx-vp9 -acodec pcm_u8 -y -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;ffmpegType=".avi";break;case 14:if(StringUtils.isEmpty(ffmpegType))ffmpegType=".avi";transcoding= ffmpegPath + " -i "+path+" -strict -2 -vcodec libvpx-vp9 -acodec pcm_alaw -y -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;ffmpegType=".avi";break;case 7:if(StringUtils.isEmpty(ffmpegType))ffmpegType= ".webm";transcoding=ffmpegPath + " -i "+path+" -strict -2 -c:v libvpx -b:v 1M -c:a vorbis -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;break;case 8:if(StringUtils.isEmpty(ffmpegType))ffmpegType= ".webm";transcoding=ffmpegPath + " -i "+path+" -strict -2 -c:v libvpx -b:v 1M -c:a libopus -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ ffmpegType;break;case 9:if(StringUtils.isEmpty(ffmpegType))ffmpegType=".avi";transcoding=ffmpegPath + " -i "+path+" -strict -2 -c:v libvpx -b:v 1M -c:a aac -max_muxing_queue_size 1024 -r 30 -crf 23 -preset veryfast "+newFilePath+ ffmpegType;ffmpegType= ".avi";break;case 10:if(StringUtils.isEmpty(ffmpegType))ffmpegType=".avi";transcoding=ffmpegPath + " -i "+path+" -strict -2 -c:v libvpx -b:v 1M -c:a pcm_u8 -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ffmpegType;ffmpegType= ".avi";break;case 13:if(StringUtils.isEmpty(ffmpegType))ffmpegType=".avi";transcoding=ffmpegPath + " -i "+path+" -strict -2 -c:v libvpx -b:v 1M -c:a pcm_alaw -max_muxing_queue_size 9999 -r 30 -crf 23 -preset veryfast "+newFilePath+ ffmpegType;ffmpegType= ".avi";break;case 200:transcoding=ffmpegPath + " -i "+path+" -strict -2 -c:v libvpx -b:v 1M -c:a aac -max_muxing_queue_size 1024"+newFilePath+ ".webm";ffmpegType= ".webm";break;case 201:transcoding=ffmpegPath + " -i "+path+" -b:v 64k -bufsize 64k -strict -2 -c:v libvpx -c:a copy -y -max_muxing_queue_size 1024 -r 30 -crf 23 -preset veryfast "+newFilePath+ ".mp4";ffmpegType= ".mp4";break;default:if(StringUtils.isEmpty(ffmpegType))ffmpegType= videoFormat;transcoding = ffmpegPath + " -r 5 -i "+path+" -strict -2 -vcodec libx264 -acodec aac -ac 1 "+newFilePath+ffmpegType;break;}}try {Runtime rt = Runtime.getRuntime();Process proc = rt.exec(transcoding);InputStream stderr = proc.getErrorStream();InputStreamReader isr = new InputStreamReader(stderr);BufferedReader br = new BufferedReader(isr);String line = null;while ( (line = br.readLine()) != null) {System.out.println(line);}int exitVal = proc.waitFor();System.out.println("Process exitValue: " + exitVal);} catch (Exception e) {e.printStackTrace();return null;}return newFilePath+ffmpegType;}
4：安装包：
这里支持的大类型有：h264、h265、vp8、vp9
