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ffmpegAdvent Calendar 2014

Day 1

[FFmpeg] ffmpeg に libx265 をリンクする

Last updated at Posted at 2014-09-17

2015-09-03 編集

この記事は ffmpeg Advent Calendar 2014 - Qiita の初日です。
初投稿。よろしくお願いします。

-- 以下本文

ffmpegがlibx265 エンコードに対応していたので更新

x265 のインストール

x265 wiki

hg バージョン確認

$ hg --version
Mercurial Distributed SCM (version 1.4)

Copyright (C) 2005-2009 Matt Mackall <mpm@selenic.com> and others
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

hg なければインストール

# yum install mercurial-1.4-3.el6.x86_64

libx265 ダウンロード

$ hg clone https://bitbucket.org/multicoreware/x265

cmake のバージョン確認

$ cmake -version
cmake version 2.8.8

x265のコンパイル時に警告された場合は更新する

libx265 ビルド/インストール

$ cd x265/build
$ cmake .
$ make
# make install

2015-09-03 現在

$ cd x265/build/linux
$ ./make-Makefiles.bash

BIN_INSTALL_DIR      -> /usr/local/bin
CMAKE_INSTALL_PREFIX -> /usr
LIB_INSTALL_DIR      -> /usr/local/lib

$ make
# make install
[ 63%] Built target common
[ 87%] Built target encoder
[ 87%] Built target x265-shared
[100%] Built target cli
[100%] Built target x265-static
Install the project...
-- Install configuration: "Release"
-- Installing: /usr/local/lib/libx265.a
-- Installing: /usr/include/x265.h
-- Installing: /usr/include/x265_config.h
-- Installing: /usr/local/lib/libx265.so.74
-- Installing: /usr/local/lib/libx265.so
-- Installing: /usr/local/lib/pkgconfig/x265.pc
-- Installing: /usr/local/bin/x265
-- Removed runtime path from "/usr/local/bin/x265"

ffmpeg のインストール

download

$ git clone git://source.ffmpeg.org/ffmpeg.git ffmpeg
or
$ cd ffmpeg
$ git pull

プロキシ経由する場合は

$ git config --global https.proxy https://[host]:[port]/
$ git clone https://github.com/FFmpeg/FFmpeg ffmpeg

ffmpeg configure

下記は、最低限の設定です。

$ cd ffmpeg
$ ./configure \
--prefix=/usr/local \
--enable-gpl \
--enable-version3 \
--enable-nonfree \
--enable-static \
--disable-shared \
--enable-libx265 \
--extra-cflags="-I/usr/local/include -I/usr/include" \
--extra-ldflags="-L/usr/local/lib" \
--enable-memalign-hack

[Error] x265 NOT FOUND

x265.h がエラーしてるっぽい。

# vi /usr/local/include/x265.h
  • 117行目あたり
/* Stores inter (motion estimation) analysis data for a single frame */
- struct x265_inter_data
+ typedef struct x265_inter_data
{
    uint32_t zOrder;
    int      ref[2];
    int      costZero[2];
    int16_t  mvx[2];
    int1y[2];
    uint32_t depth;
    int      poc;
    uint32_t cuAddr;
- };
+ } x265_inter_data;

/* Stores intra (motion estimation) analysis data for a single frame */
- struct x265_intra_data
+ typedef struct x265_intra_data
{
    uint8_t*  depth;
    uinmodes;
    char*     partSizes;
    int*      poc;
    uint32_t* cuAddr;
- };
+ } x265_intra_data;

/* Stores all analysis data for a single frame */
- struct x265_analysis_data
+ typedef struct x265_analysis_data
{
    x265_inter_data* interData;
    x265_intra_data* intraData;
    uint32_t         numCUsInFrame;
    uint32_t         numPartitions;
- };
+ } x265_analysis_data;

[Error] AVFoundation/AVFoundation.h file not found

gcc-objc がないらしい

2015-09-03 現在
間違っていそうなので調査中。

# yum install gcc-objc

[Error] x265.pc not found

$ export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig

2015-09-03 現在
エラーメッセージが変更されている
x265 not found

./configureが通ったら

$ make
$ ./ffmpeg -version
ffmpeg version N-68129-g928322c Copyright (c) 2000-2014 the FFmpeg developers
built on Dec  1 2014 16:38:07 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
configuration: --prefix=/usr/local --enable-gpl --enable-version3 --enable-nonfree --enable-static --disable-shared --enable-libx265 --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --enable-memalign-hack
libavutil      54. 15.100 / 54. 15.100
libavcodec     56. 13.100 / 56. 13.100
libavformat    56. 15.101 / 56. 15.101
libavdevice    56.  3.100 / 56.  3.100
libavfilter     5.  2.103 /  5.  2.103
libswscale      3.  1.101 /  3.  1.101
libswresample   1.  1.100 /  1.  1.100
libpostproc    53.  3.100 / 53.  3.100

ライブラリが正しくリンクされているかどうかの確認

$ ldd ./ffmpeg
[root@studiowebserv ffmpeg]# ldd ./ffmpeg
        linux-vdso.so.1 =>  (0x00007fff5a5ff000)
        libx265.so.38 => /usr/local/lib/libx265.so.38 (0x00007f4a29734000)
        libm.so.6 => /lib64/libm.so.6 (0x00000033a8e00000)
        libz.so.1 => /lib64/libz.so.1 (0x00000033a9a00000)
        librt.so.1 => /lib64/librt.so.1 (0x00000033a9e00000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00000033a9200000)
        libc.so.6 => /lib64/libc.so.6 (0x00000033a8a00000)
        libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x00000033af200000)
        libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00000033ae200000)
        /lib64/ld-linux-x86-64.so.2 (0x00000033a8600000)

[Error] libx265.so.38 not found

確認事項

$ cat /etc/ld.so.conf
include ld.so.conf.d/*.conf
/usr/local/lib

# ldconfig -v

インストール

# make install

$ ffmpeg -codecs | grep libx265

 DEV.L. hevc                 H.265 / HEVC (High Efficiency Video Coding) (encoders: libx265 )

以上。
FFmpegや各種ライブラリは、どんどんアップデートされますので、
上記方法でコンパイルできなくなることがあります。
ご了承ください。

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