ffmpeg 安装（支持h.265）

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安装FFMPEG需要的所有组件

sudo apt-get update
sudo apt-get -y install autoconf automake build-essential libass-dev libfreetype6-dev \
  libsdl2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-shm0-dev \
  libxcb-xfixes0-dev pkg-config texinfo zlib1g-dev

为下面的安装源文件建立一个目录

mkdir ~/ffmpeg_sources

编译和安装

注：根据自己的需要来选择要安装的编解码器

Yasm

sudo apt-get install yasm

cd ~/ffmpeg_sources
wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
tar xzvf yasm-1.3.0.tar.gz
cd yasm-1.3.0
./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin"
make
make install
make distclean

libx264

sudo apt-get install libx264-dev
cd ~/ffmpeg_sources
wget http://download.videolan.org/pub/x264/snapshots/last_x264.tar.bz2
tar xjvf last_x264.tar.bz2
cd x264-snapshot*
PATH="$HOME/bin:$PATH" ./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin" --enable-static --disable-opencl
PATH="$HOME/bin:$PATH" make
make install
make distclean

libx265

sudo apt-get install libx265-dev
sudo apt-get install cmake mercurial
cd ~/ffmpeg_sources
hg clone https://bitbucket.org/multicoreware/x265
cd ~/ffmpeg_sources/x265/build/linux
PATH="$HOME/bin:$PATH" cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX="$HOME/ffmpeg_build" -DENABLE_SHARED:bool=off ../../source
make
make install
make distclean

libfdk-aac

sudo apt-get install libfdk-aac-dev
cd ~/ffmpeg_sources
wget -O fdk-aac.tar.gz https://github.com/mstorsjo/fdk-aac/tarball/master
tar xzvf fdk-aac.tar.gz
cd mstorsjo-fdk-aac*
autoreconf -fiv
./configure --prefix="$HOME/ffmpeg_build" --disable-shared
make
make install
make distclean

libmp3lame

sudo apt-get install libmp3lame-dev
sudo apt-get install nasm
cd ~/ffmpeg_sources
wget http://downloads.sourceforge.net/project/lame/lame/3.99/lame-3.99.5.tar.gz
tar xzvf lame-3.99.5.tar.gz
cd lame-3.99.5
./configure --prefix="$HOME/ffmpeg_build" --enable-nasm --disable-shared
make
make install
make distclean

libopus

sudo apt-get install libopus-dev
cd ~/ffmpeg_sources
wget http://downloads.xiph.org/releases/opus/opus-1.1.4.tar.gz
tar xzvf opus-1.1.4.tar.gz
cd opus-1.1.4
./configure --prefix="$HOME/ffmpeg_build" --disable-shared
make
make install
make clean
libvpx
sudo apt-get install libvpx-dev
cd ~/ffmpeg_sources
wget http://storage.proxy.ustclug.org/downloads.webmproject.org/releases/webm/libvpx-1.6.1.tar.bz2
tar xjvf libvpx-1.6.1.tar.bz2
cd llibvpx-1.6.1
PATH="$HOME/bin:$PATH" ./configure --prefix="$HOME/ffmpeg_build" --disable-examples --disable-unit-tests
PATH="$HOME/bin:$PATH" make
make install
make clean

ffmpeg

cd ~/ffmpeg_sources
wget http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
tar 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" \
  --bindir="$HOME/bin" \
  --enable-gpl \
  --enable-libass \
  --enable-libfdk-aac \
  --enable-libfreetype \
  --enable-libmp3lame \
  --enable-libopus \
  --enable-libtheora \
  --enable-libvorbis \
  --enable-libvpx \
  --enable-libx264 \
  --enable-libx265 \
  --enable-nonfree
PATH="$HOME/bin:$PATH" make
make install
make distclean
hash -r

当执行一下命令：

当执行./configure 时遇到 ERROR: x265 not found using pkg-config

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" \
  --bindir="$HOME/bin" \
  --enable-gpl \
  --enable-libass \
  --enable-libfdk-aac \
  --enable-libfreetype \
  --enable-libmp3lame \
  --enable-libopus \
  --enable-libtheora \
  --enable-libvorbis \
  --enable-libvpx \
  --enable-libx264 \
  --enable-libx265 \
  --enable-nonfree

解决方法;

查看  (~/ffmpeg_sources/ffmpeg/ffbuild/config.log)文件，此文件是./configure生成的log文件，直接拉到最后可以看到出问题的原因，我遇到的问题如下：

$(HOME)/lib/libx265.a(threading.cpp.o): In function `x265::Thread::start()':
threading.cpp:(.text+0x35): undefined reference to `pthread_create'
$(HOME)/ffmpeg_build/lib/libx265.a(threading.cpp.o): In function `x265::Thread::stop()':
threading.cpp:(.text+0x63): undefined reference to `pthread_join'
collect2: error: ld returned 1 exit status
ERROR: x265 not found using pkg-config

在libx265文件夹中（~/ffmpeg_sources/x265/source/common/threading.cpp）找到问题文件既 threading.cpp
//在threading.cpp中包含pthread.h ：   

添加：#include “pthread.h”

然后继续执行  ./configure …   &&  make && make isntall 完成libx265的安装
完成安装后 在 $(HOME)/ffmpeg_build/lib/pkg-config文件夹下找到  XXX.pc文件并打开,在Libs.private: -lstdc++ -lm -lrt -ldl后面添加 -lpthread 包含pthread库。

继续执行既可完成ffmpeg的安装。