HOWTO: Install and use the latest FFmpeg and x264

**FakeOutdoorsman** · March 1st, 2012

FFmpeg can support four AAC encoders: the native AAC encoder (I'll call it ffaacenc), libfaac, libvo_aacenc, and libaacplus, but this guide only supports ffaacenc and libfaac. Installing the others isn't too hard; maybe I'll add separate instructions for the others later this week.

You should see ffmpeg -codecs instead of ffmpeg -formats to see a list of supported encoders and decoders:

Code:

$ ffmpeg -codecs | grep aac
...
 DEA D  aac             Advanced Audio Coding
 D A D  aac_latm        AAC LATM (Advanced Audio Codec LATM syntax)
  EA    libfaac         libfaac AAC (Advanced Audio Codec)

libav-ffmpeg from the repository with libraries from Medibuntu (instructions here) should also include ffaacenc and libfaac.

To encode with libfaac. This example will output VBR:

Code:

ffmpeg -i input -c:a libfaac -q:a 100 -vn output.mp4

This example will output ABR (or maybe CBR):

Code:

ffmpeg -i input -c:a libfaac -b:a 128k -vn output.mp4

To encode with ffaacenc:

Code:

ffmpeg -i input -strict experimental -c:a aac -b:a 128k -vn output.mp4

You can also probably use -q:a with ffaacenc, but I'm not sure of the supported values or if it even works.

You can also pipe from ffmpeg to any encoder that accepts piped input:

Code:

ffmpeg -i input -f wav - | faac -o output.mp4 -

This is effective if you don't feel like compiling FFmpeg if your version doesn't support your desired encoder.

**mpbb77** · March 1st, 2012

Tx FakeOutdoorsman

I probably had aac encoding all the time:

ffmpeg -codecs | grep aac
ffmpeg version git-2012-02-29-a77c8ad Copyright (c) 2000-2012 the FFmpeg developers
built on Mar 1 2012 19:52:28 with gcc 4.6.1
configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-nonfree --enable-version3 --enable-x11grab
libavutil 51. 41.100 / 51. 41.100
libavcodec 54. 4.100 / 54. 4.100
libavformat 54. 1.100 / 54. 1.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 62.101 / 2. 62.101
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 7.100 / 0. 7.100
libpostproc 52. 0.100 / 52. 0.100
DEA D aac Advanced Audio Coding
D A D aac_latm AAC LATM (Advanced Audio Codec LATM syntax)
EA libfaac libfaac AAC (Advanced Audio Codec)

I was following blindly other posts by polling formats.

Tx also for the very quick feedback

**tanoloco** · March 2nd, 2012

main purpose:

how to solve
ffmpeg: relocation error: /usr/local/lib/libswresample.so.0: symbol av_opt_set_int, version LIBAVUTIL_51 not defined in file libavutil.so.51 with link time reference

alternatively how to solve:
segmentation fault

Hello,

I recently installed the last ffmpeg and x264 following this howto with the only difference that I used the following configuration

Code:

./configure --enable-gpl  --enable-libgsm --enable-libxvid \
--enable-libmp3lame --enable-libvorbis --enable-libfaac \
--enable-shared --enable-libopencore-amrnb --enable-libvpx \
--enable-libopencore-amrwb --enable-libtheora --enable-libx264 \
--enable-nonfree --enable-version3 --enable-x11grab

I'm trying to convert a h264 video file using this code

Code:

ffmpeg -i "input.mp4" -ar 44100 -ac 2 -ab 192k -acodec libmp3lame -s 1280x544 -vcodec libxvid -r 23.98 -b 2500k "output.avi"

I get this error

Code:

ffmpeg: relocation error: /usr/local/lib/libswresample.so.0: symbol av_opt_set_int, version LIBAVUTIL_51 not defined in file libavutil.so.51 with link time reference

However the above error is prompted for any ffmpeg command such

Code:

$ ffmpeg -v

For reference I have:

Code:

$ ldd /usr/local/bin/ffmpeg | grep libavutil
	libavutil.so.51 => /usr/lib/i686/cmov/libavutil.so.51 (0x00269000)

$ dpkg --get-selections | grep libavutil
libavutil-dev					install
libavutil-extra-51				install
libavutil51					deinstall

$ uname -a
Linux my-pc 3.0.0-16-generic #28-Ubuntu SMP Fri Jan 27 17:50:54 UTC 2012 i686 i686 i386 GNU/Linux

Looking at the release file note of ffmpeg I've installed the 0.9.1.git and I'm using lubuntu oneiric 32bit

My doubt is that I don't have any libswresample at all

Code:

$ ls -lrt /usr/local/bin | grep libswresample
$

$ ls -lrt /usr/bin | grep libswresample
$

and I don't have it listed in the repository either

Code:

$ dpkg -l | grep libswres
$

I also tried to download a deb package of libswresample from here but I cannot install it as it says me

Code:

Error: Dependency is not satisfiable: libavutil51 (>= 5:0.10)

I installed libavutil51 which was in conflict but it's a previous version:

Code:

$ dpkg -s libavutil51
Package: libavutil51
Status: install ok installed
Priority: optional
Section: libs
Installed-Size: 352
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Architecture: i386
Source: libav
Version: 4:0.7.3-0ubuntu0.11.10.1
Depends: libc6 (>= 2.4)
Description: Libav utility library
 This is the common utility library from Libav. It contains shared code
 used by all other Libav libraries.
Homepage: http://libav.org/
Original-Maintainer: Debian multimedia packages maintainers <pkg-multimedia-maintainers@lists.alioth.debian.org>

So I still cannot go ahead .. must I search, compile and install a newer version of libavutil51?

I'm afraid I'm going to have and endless list of troubles going this way ...

Any suggestions on how to solve this?

The reason why I'trying to install a newer version of ffmpeg and x264 is that running the code I firstly wrote, which is

Code:

ffmpeg -i "input.mp4" -ar 44100 -ac 2 -ab 192k -acodec libmp3lame -s 1280x544 -vcodec libxvid -r 23.98 -b 2500k "output.avi"

on a video file I downloaded from the net I got a

Code:

Segmentation fault

error so I thought I need a newer version of ffmpeg/x264 from the one I have in my repository

Thanks in advance for any help

**FakeOutdoorsman** · March 2nd, 2012

Originally Posted by tanoloco

I recently installed the last ffmpeg and x264 following this howto with the only difference that I used the following configuration

Code:

./configure --enable-gpl  --enable-libgsm --enable-libxvid \
--enable-libmp3lame --enable-libvorbis --enable-libfaac \
--enable-shared --enable-libopencore-amrnb --enable-libvpx \
--enable-libopencore-amrwb --enable-libtheora --enable-libx264 \
--enable-nonfree --enable-version3 --enable-x11grab

How else did you deviate from the guide? Why did you add --enable-shared? Are you using Ubuntu 11.10?

Originally Posted by tanoloco

on a video file I downloaded from the net I got a Segmentation fault error

Did you get the segmentation fault with "ffmpeg" from the repository? Can you provide a sample so I can attempt to duplicate the segmentation fault? Also provide the complete console output that includes the seg fault.

**tanoloco** · March 2nd, 2012

SOLVED: see point B!

Originally Posted by FakeOutdoorsman

Are you using Ubuntu 11.10?
Did you get the segmentation fault with "ffmpeg" from the repository? Can you provide a sample so I can attempt to duplicate the segmentation fault? Also provide the complete console output that includes the seg fault.

Hello and thank you so much for your quick reply!
So I divide my question into two points:

A) Segmentation fault:
Yes I'm using Ubuntu 11.10 ... actually lubuntu oneiric flavour

Code:

$ uname -a
Linux my-pc 3.0.0-16-generic #28-Ubuntu SMP Fri Jan 27 17:50:54 UTC 2012 i686 i686 i386 GNU/Linux

To reproduce the segmentation fault:
1. I started removing everything I've installed following your (very nice) guide, to install them again from the repository

Code:

$ sudo apt-get remove ffmpeg x264 libx264-dev
$ sudo apt-get install ffmpeg x264 libx264-dev

Which gave me the following versions of:
ffmpeg

Code:

$ dpkg -s ffmpeg
Package: ffmpeg
Status: install ok installed
Priority: optional
Section: video
Installed-Size: 1340
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Architecture: i386
Source: libav
Version: 4:0.7.3-0ubuntu0.11.10.1
Replaces: libavcodec-extra-53 (<< 4:0.6~), libavcodec53 (<< 4:0.7.3-0ubuntu0.11.10.1)
Depends: libavcodec53 (>= 4:0.7.3-0ubuntu0.11.10.1) | libavcodec-extra-53 (>= 4:0.7.3), libavcodec53 (<< 4:0.7.3-99) | libavcodec-extra-53 (<< 4:0.7.3.99), libavdevice53 (>= 4:0.7.3-0ubuntu0.11.10.1) | libavdevice-extra-53 (>= 4:0.7.3), libavdevice53 (<< 4:0.7.3-99) | libavdevice-extra-53 (<< 4:0.7.3.99), libavfilter2 (>= 4:0.7.3-0ubuntu0.11.10.1) | libavfilter-extra-2 (>= 4:0.7.3), libavfilter2 (<< 4:0.7.3-99) | libavfilter-extra-2 (<< 4:0.7.3.99), libavformat53 (>= 4:0.7.3-0ubuntu0.11.10.1) | libavformat-extra-53 (>= 4:0.7.3), libavformat53 (<< 4:0.7.3-99) | libavformat-extra-53 (<< 4:0.7.3.99), libavutil51 (>= 4:0.7.3-0ubuntu0.11.10.1) | libavutil-extra-51 (>= 4:0.7.3), libavutil51 (<< 4:0.7.3-99) | libavutil-extra-51 (<< 4:0.7.3.99), libc6 (>= 2.7), libpostproc52 (>= 4:0.7.3-0ubuntu0.11.10.1) | libpostproc-extra-52 (>= 4:0.7.3), libpostproc52 (<< 4:0.7.3-99) | libpostproc-extra-52 (<< 4:0.7.3.99), libsdl1.2debian (>= 1.2.10-1), libswscale2 (>= 4:0.7.3-0ubuntu0.11.10.1) | libswscale-extra-2 (>= 4:0.7.3), libswscale2 (<< 4:0.7.3-99) | libswscale-extra-2 (<< 4:0.7.3.99)
Conflicts: ffprobe
Conffiles:
 /etc/ffserver.conf d4d0a77d594735af0d92e12e2b74aa15
Description: Multimedia player, server, encoder and transcoder
 This package contains the ffplay multimedia player, the ffserver streaming
 server and the ffmpeg audio and video encoder. They support most existing
 file formats (AVI, MPEG, OGG, Matroska, ASF...) and encoding formats (MPEG,
 DivX, MPEG4, AC3, DV...).
Homepage: http://libav.org/
Original-Maintainer: Debian multimedia packages maintainers <pkg-multimedia-maintainers@lists.alioth.debian.org>

x264

Code:

$ dpkg -s x264
Package: x264
Status: install ok installed
Priority: optional
Section: graphics
Installed-Size: 656
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Architecture: i386
Version: 2:0.116.2042+git178455c-1ubuntu1
Replaces: x264-bin
Depends: libavutil51 (>= 4:0.7-1) | libavutil-extra-51 (>= 4:0.7-1), libc6 (>= 2.7), libffms2-2, libswscale2 (>= 4:0.7-1) | libswscale-extra-2 (>= 4:0.7-1), libx264-116
Conflicts: x264-bin
Description: video encoder for the H.264/MPEG-4 AVC standard
 x264 is an advanced commandline encoder for creating H.264 (MPEG-4 AVC)
 video streams.
 .
 x264 supports the following features:
  * CABAC (context-based adaptive binary arithmetic coding) and CAVLC
    (context-based adaptive variable length coding
  * multiple reference frames
  * 16x16, 8x8 and 4x4 intra-predicted macroblocks
  * all P-frame inter-predicted macroblock types
  * B-Inter-predicted macroblock types from 16x16 down to 8x8
  * rate distortion optimization
  * multiple rate control modes (constant quantizer, constant quality, single
    or multipass ABR with the option of VBV)
  * scene cut detection
  * adaptive B-frame placement, with the option of keeping B-frames as
    references / arbitrary frame order
  * 8x8 and 4x4 adaptive spatial transform (high profile)
  * lossless mode (high 4:4:4 profile)
  * custom quantization matrices (high profile)
  * parallel encoding on multiple CPUs
  * interlaced streams
Original-Maintainer: Debian Multimedia Maintainers <pkg-multimedia-maintainers@lists.alioth.debian.org>
Homepage: http://www.videolan.org/developers/x264.html

libx264-dev

Code:

$ dpkg -s libx264-dev
Package: libx264-dev
Status: install ok installed
Priority: optional
Section: libdevel
Installed-Size: 1324
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Architecture: i386
Source: x264
Version: 2:0.116.2042+git178455c-1ubuntu1
Depends: libx264-116 (= 2:0.116.2042+git178455c-1ubuntu1)
Description: development files for libx264
 libx264 is an advanced encoding library for creating H.264 (MPEG-4 AVC)
 video streams.
 .
 This package contains the static library and headers used to build programs
 that use libx264.
Original-Maintainer: Debian Multimedia Maintainers <pkg-multimedia-maintainers@lists.alioth.debian.org>
Homepage: http://www.videolan.org/developers/x264.html

2. You can download a sample of the video I'm trying to convert here it's a file of about 9 Mb.

3. I'm trying to convert it using the following command

Code:

$ ffmpeg -i "sample.mp4" -ar 44100 -ac 2 -ab 192k -acodec libmp3lame -s 1280x544 -vcodec libxvid -r 23.98 -b 2500k "output.avi"

I get the following error

Code:

ffmpeg version 0.7.3-4:0.7.3-0ubuntu0.11.10.1, Copyright (c) 2000-2011 the Libav developers
  built on Jan  4 2012 16:21:50 with gcc 4.6.1
  configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
  WARNING: library configuration mismatch
  avutil      configuration: --extra-version='4:0.7.3ubuntu0.11.10.1+medibuntu1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-version3 --enable-vaapi --enable-libopenjpeg --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdirac --enable-libmp3lame --enable-librtmp --enable-libx264 --enable-libxvid --enable-libopencore-amrnb --enable-version3 --enable-libopencore-amrwb --enable-version3 --enable-libvo-aacenc --enable-version3 --enable-libvo-amrwbenc --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  avcodec     configuration: --extra-version='4:0.7.3ubuntu0.11.10.1+medibuntu1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-version3 --enable-vaapi --enable-libopenjpeg --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdirac --enable-libmp3lame --enable-librtmp --enable-libx264 --enable-libxvid --enable-libopencore-amrnb --enable-version3 --enable-libopencore-amrwb --enable-version3 --enable-libvo-aacenc --enable-version3 --enable-libvo-amrwbenc --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  avformat    configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  avdevice    configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  avfilter    configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  swscale     configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  postproc    configuration: --extra-version='4:0.7.3-0ubuntu0.11.10.1' --arch=i386 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  libavutil    51.  7. 0 / 51.  7. 0
  libavcodec   53.  6. 0 / 53.  6. 0
  libavformat  53.  3. 0 / 53.  3. 0
  libavdevice  53.  0. 0 / 53.  0. 0
  libavfilter   2.  4. 0 /  2.  4. 0
  libswscale    2.  0. 0 /  2.  0. 0
  libpostproc  52.  0. 0 / 52.  0. 0
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sample.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isomavc1
    creation_time   : 2011-04-20 03:55:11
    encoder         : HandBrake 0.9.5 2011010300
  Duration: 00:00:30.03, start: 0.000000, bitrate: 2530 kb/s
    Stream #0.0(und): Video: h264 (High), yuv420p, 1280x544, 2141 kb/s, 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    Metadata:
      creation_time   : 2011-04-20 03:55:11
    Stream #0.1(eng): Audio: aac, 48000 Hz, 5.1, s16, 383 kb/s
    Metadata:
      creation_time   : 2011-04-20 03:55:11
[buffer @ 0x89fb020] w:1280 h:544 pixfmt:yuv420p
Output #0, avi, to 'output.avi':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isomavc1
    creation_time   : 2011-04-20 03:55:11
    ISFT            : Lavf53.3.0
    Stream #0.0(und): Video: mpeg4, yuv420p, 1280x544, q=2-31, 2500 kb/s, 23.98 tbn, 23.98 tbc
    Metadata:
      creation_time   : 2011-04-20 03:55:11
    Stream #0.1(eng): Audio: libmp3lame, 44100 Hz, 2 channels, s16, 192 kb/s
    Metadata:
      creation_time   : 2011-04-20 03:55:11
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press ctrl-c to stop encoding
Segmentation Fault

B) Following your howto:
Why --enable-shared ? you asked ..
The only params changing from your guide are --enable-shared --enable-libgsm --enable-libxvid .. actually the only one I really need is libxvid so I discarded the others and recompiled ffmpeg.
So following your guide I completed point 1 (with sudo apt-get autoremove too), 2, 3, 4 and 5 (installing ffmpeg) with

Code:

./configure --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264     --enable-nonfree --enable-version3 --enable-x11grab --enable-libxvid --enable-libvpx

and then everything went ok!

So now I can convert my sample.mp4 with the same command as above! (see point A.3)

So you were right: the problem was --enable-shared!
Thank you very much for your support!

**andrew.46** · March 3rd, 2012

Exciting times for FFmpeg and MPlayer users: Windows Media Audio Lossless decoder.

**FakeOutdoorsman** · March 3rd, 2012

...and another for today: bluray protocol.

**rahul_bhise** · March 12th, 2012

thanks i was searchig for a perfict screencast which ended hear. Thanks a lot for this good work of yours.

**varagrawal** · March 15th, 2012

When I try installing FFmpeg from Git as you have given and then I try to install OpenCV, I keep getting these undefined reference errors.

I then downloaded the version 0.10 source and compiled from there and OpenCV installed without issue.

Why is this discrepancy present?

**FakeOutdoorsman** · March 15th, 2012

Originally Posted by varagrawal

Why is this discrepancy present?

It's hard to give a reason without seeing the errors.

Thread: HOWTO: Install and use the latest FFmpeg and x264

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