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  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

  • Automated installation script of MediaSPIP

    25 avril 2011, par

    To overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
    You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
    The documentation of the use of this installation script is available here.
    The code of this (...)

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 is the first MediaSPIP stable release.
    Its official release date is June 21, 2013 and is announced here.
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

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  • arm : vp9 : Add NEON itxfm routines

    8 octobre 2016, par Martin Storsjö
    arm : vp9 : Add NEON itxfm routines

    This work is sponsored by, and copyright, Google.
    

    For the transforms up to 8x8, we can fit all the data (including
    
temporaries) in registers and just do a straightforward transform
    
of all the data. For 16x16, we do a transform of 4x16 pixels in
    
4 slices, using a temporary buffer. For 32x32, we transform 4x32
    
pixels at a time, in two steps of 4x16 pixels each.
    

    Examples of relative speedup compared to the C version, from checkasm :
    
                         Cortex       A7     A8     A9    A53
    
vp9_inv_adst_adst_4x4_add_neon :     3.39   5.83   4.17   4.01
    
vp9_inv_adst_adst_8x8_add_neon :     3.79   4.86   4.23   3.98
    
vp9_inv_adst_adst_16x16_add_neon :   3.33   4.36   4.11   4.16
    
vp9_inv_dct_dct_4x4_add_neon :       4.06   6.16   4.59   4.46
    
vp9_inv_dct_dct_8x8_add_neon :       4.61   6.01   4.98   4.86
    
vp9_inv_dct_dct_16x16_add_neon :     3.35   3.44   3.36   3.79
    
vp9_inv_dct_dct_32x32_add_neon :     3.89   3.50   3.79   4.42
    
vp9_inv_wht_wht_4x4_add_neon :       3.22   5.13   3.53   3.77
    

    Thus, the speedup vs C code is around 3-6x.
    

    This is mostly marginally faster than the corresponding routines
    
in libvpx on most cores, tested with their 32x32 idct (compared to
    
vpx_idct32x32_1024_add_neon). These numbers are slightly in libvpx’s
    
favour since their version doesn’t clear the input buffer like ours
    
do (although the effect of that on the total runtime probably is
    
negligible.)
    

                               Cortex       A7       A8       A9      A53
    
vp9_inv_dct_dct_32x32_add_neon :    18436.8  16874.1  14235.1  11988.9
    
libvpx vpx_idct32x32_1024_add_neon 20789.0  13344.3  15049.9  13030.5
    

    Only on the Cortex A8, the libvpx function is faster. On the other cores,
    
ours is slightly faster even though ours has got source block clearing
    
integrated.
    

    Signed-off-by : Martin Storsjö <martin@martin.st>
    • [DBH] libavcodec/arm/Makefile
    • [DBH] libavcodec/arm/vp9dsp_init_arm.c
    • [DBH] libavcodec/arm/vp9itxfm_neon.S

  • System reboots during ffmpeg tool installation

    11 novembre 2016, par JeeBoomBaa

    I have enabled QSV with reference of the streambuilder’s enabling-iqsv docs.

    MACHINE DETAILS

    Server : Intel(R) Xeon(R) CPU E3-1285 v4 3.50GHz w/ Supermicro X10SLH-F

    Kernel : Linux 3.10.0-229.1.2.44985.MSSr7.el7.centos.x86_64 #1 SMP Wed Nov 9 16:26:25 PST 2016 x86_64 x86_64 x86_64 GNU/Linux

    I have installed ffmpeg with —enable-nonfree —enable-libmfx configurations, configuration command was successfully done.Then, I invoke make and our server gets hanged in few seconds and it will gets rebooted automatically.

    I feel it might be compilation issue with make script.

    ./configure --prefix="/usr/ffmpeg" --extra-cflags="-I$HOME/ffmpeg_build/include" --extra-ldflags="-L$HOME/ffmpeg_build/lib" --bindir="$HOME/bin" --pkg-config-flags="--static" --enable-nonfree --enable-libmfx
    
make 
    
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2068, si_status=0, si_utime=0, si_stime=0} ---
    
rt_sigreturn()                          = 2068
    
rt_sigprocmask(SIG_BLOCK, [HUP INT QUIT TERM XCPU XFSZ], NULL, 8) = 0
    
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
    
stat("libavcodec/intrax8dsp.o", {st_mode=S_IFREG|0644, st_size=82840, ...}) = 0
    
stat("libavcodec/ituh263dec.o", 0x7ffff86affb0) = -1 ENOENT (No such file or directory)
    
stat("libavcodec/ituh263dec.c", {st_mode=S_IFREG|0644, st_size=38617, ...}) = 0
    
rt_sigprocmask(SIG_BLOCK, [HUP INT QUIT TERM XCPU XFSZ], NULL, 8) = 0
    
vfork()                                 = 2072
    
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
    
wait4(-1, CC libavcodec/ituh263dec.o

    I have attached config.log and FFMPEG-MAKE-TRACE.log file.

  • opus : move the entropy decoding functions to opus_rc.c

    7 novembre 2016, par Rostislav Pehlivanov
    opus : move the entropy decoding functions to opus_rc.c

    The intention is to have both encoding and decoding functions
    
in opus_rc.c.
    

    Signed-off-by : Rostislav Pehlivanov <atomnuker@gmail.com>
    • [DH] libavcodec/Makefile
    • [DH] libavcodec/opus.h
    • [DH] libavcodec/opus_celt.c
    • [DH] libavcodec/opus_rc.c
    • [DH] libavcodec/opus_rc.h
    • [DH] libavcodec/opus_silk.c
    • [DH] libavcodec/opusdec.c

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