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Autres articles (32)

Publier sur MédiaSpip

13 juin 2013

Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir
Support de tous types de médias

10 avril 2011

Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)
Déploiements possibles

31 janvier 2010, par kent1

Deux types de déploiements sont envisageable dépendant de deux aspects : La méthode d’installation envisagée (en standalone ou en ferme) ; Le nombre d’encodages journaliers et la fréquentation envisagés ;
L’encodage de vidéos est un processus lourd consommant énormément de ressources système (CPU et RAM), il est nécessaire de prendre tout cela en considération. Ce système n’est donc possible que sur un ou plusieurs serveurs dédiés.
Version mono serveur
La version mono serveur consiste à n’utiliser qu’une (...)

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 11

Sur d’autres sites (5213)

Compiling FFmpeg 2.3 with Android NDK r10

25 juillet 2014, par Robin

I want to compile FFMpeg 2.3 with Android NDK r10 by following this tutorial : http://www.roman10.net/how-to-build-ffmpeg-for-android/

After getting several errors i modified the build script like this :

  #!/bin/bash

    ######################################################

# Usage:

# put this script in top of FFmpeg source tree

# ./build_android

# It generates binary for following architectures:

# ARMv6 

# ARMv6+VFP 

# ARMv7+VFM-�d16 (Tegra2) 

# ARMv7+Neon (Cortex-A8)

# Customizing:

# 1. Feel free to change ./configure parameters for more features

# 2. To adapt other ARM variants

# set $CPU and $OPTIMIZE_CFLAGS 

# call build_one

######################################################

NDK=/usr/local/src/android-ndk-r10

PLATFORM=$NDK/platforms/android-8/arch-arm/

PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64

function build_one

{

./configure --target-os=linux \

    --prefix=$PREFIX \

    --enable-cross-compile \

    --extra-libs="-lgcc" \

    --arch=arm \

    --cc=$PREBUILT/bin/arm-linux-androideabi-gcc \

    --cross-prefix=$PREBUILT/bin/arm-linux-androideabi- \

    --nm=$PREBUILT/bin/arm-linux-androideabi-nm \

    --sysroot=$PLATFORM \

    --extra-cflags=" -O3 -fpic -DANDROID -DHAVE_SYS_UIO_H=1 -Dipv6mr_interface=ipv6mr_ifindex -fasm -Wno-psabi -fno-short-enums -fno-strict-aliasing -finline-limit=300 $OPTIMIZE_CFLAGS " \

    --disable-shared \

    --enable-static \

    --extra-ldflags="-Wl,-rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib -nostdlib -lc -lm -ldl -llog" \

    --disable-everything \

    --enable-demuxer=mov \

    --enable-demuxer=h264 \

    --disable-ffplay \

    --enable-protocol=file \

    --enable-avformat \

    --enable-avcodec \

    --enable-decoder=rawvideo \

    --enable-decoder=mjpeg \

    --enable-decoder=h263 \

    --enable-decoder=h265 \

    --enable-decoder=mpeg4 \

    --enable-decoder=h264 \

    --enable-parser=h264 \

    --enable-parser=h265

    --enabled-network \

    --enable-zlib \

    --disable-avfilter \

    --disable-avdevice \

    $ADDITIONAL_CONFIGURE_FLAG



make clean

make  -j4 install

$PREBUILT/bin/arm-linux-androideabi-ar d libavcodec/libavcodec.a inverse.o

$PREBUILT/bin/arm-linux-androideabi-ld -rpath-link=$PLATFORM/usr/lib -L$PLATFORM/usr/lib  -soname libffmpeg.so -nostdlib,noexecstack -Bsymbolic --whole-archive --no-undefined -o $PREFIX/libffmpeg.so libavcodec/libavcodec.a libavformat/libavformat.a libavutil/libavutil.a libswscale/libswscale.a -lc -lm -lz -ldl -llog --dynamic-linker=/system/bin/linker $PREBUILT/lib/gcc/arm-linux-androideabi/4.8/libgcc.a

}



#arm v6

#CPU=armv6

#OPTIMIZE_CFLAGS="-marm -march=$CPU"

#PREFIX=./android/$CPU 

#ADDITIONAL_CONFIGURE_FLAG=

#build_one



#arm v7vfpv3

CPU=armv7-a

OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=$CPU "

PREFIX=./android/$CPU

ADDITIONAL_CONFIGURE_FLAG=

build_one



#arm v7vfp

#CPU=armv7-a

#OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU "

#PREFIX=./android/$CPU-vfp

#ADDITIONAL_CONFIGURE_FLAG=

#build_one



#arm v7n

#CPU=armv7-a

#OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=neon -marm -march=$CPU -mtune=cortex-a8"

#PREFIX=./android/$CPU 

#ADDITIONAL_CONFIGURE_FLAG=--enable-neon

#build_one



#arm v6+vfp

#CPU=armv6

#OPTIMIZE_CFLAGS="-DCMP_HAVE_VFP -mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU"

#PREFIX=./android/${CPU}_vfp 

#ADDITIONAL_CONFIGURE_FLAG=

#build_one

But unfortunatly I get the following error :

    INSTALL ffmpeg

INSTALL ffprobe

INSTALL ffserver

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(eventfd.o): multiple definition of 'eventfd'

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(eventfd.o): previous definition here

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(_rand48.o): multiple definition of '__dorand48'

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(_rand48.o): previous definition here

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(_rand48.o): multiple definition of '__rand48_mult'

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(_rand48.o): previous definition here

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(_rand48.o): multiple definition of '__rand48_add'

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(_rand48.o): previous definition here

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(_rand48.o): multiple definition of '__rand48_seed'

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(_rand48.o): previous definition here

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libm.a(s_scalbn.o): multiple definition of 'ldexp'

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: /usr/local/src/android-ndk-r10/platforms/android-8/arch-arm//usr/lib/libc.a(ldexp.o): previous definition here

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: cannot find -lz

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: cannot find -ldl

/usr/local/src/android-ndk-r10/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld: error: cannot find -llog

libavformat/http.c:384: error: undefined reference to 'inflateEnd'

libavformat/http.c:385: error: undefined reference to 'inflateInit2_'

libavformat/http.c:390: error: undefined reference to 'zlibCompileFlags'

libavformat/http.c:1029: error: undefined reference to 'inflateEnd'

libavformat/http.c:867: error: undefined reference to 'inflate'

libavformat/id3v2.c:840: error: undefined reference to 'uncompress'

libavformat/mov.c:2934: error: undefined reference to 'uncompress'

bionic/libc/bionic/drand48.c:24: error: undefined reference to '_rand48_seed'

bionic/libc/bionic/erand48.c:21: error: undefined reference to '_dorand48'

Any help would be appreciated. Thank you !

How to compile a static FFmpeg binary on OS X

29 juillet 2014, par Chitanda_Eru

I want to compile a static ffmpeg binary by myself. I follow this guide, and then built one successfully.

./configure --extra-version=Chitanda_Eru --prefix=/Volumes/Chitanda_Eru/ --enable-gpl --enable-version3 --enable-nonfree --disable-shared --enable-static --enable-ffplay --disable-ffserver --enable-pthreads --enable-avisynth --enable-libvo-aacenc --enable-libfaac --enable-libfdk-aac --enable-libmp3lame --enable-libvorbis --enable-libx264 --enable-libx265 --enable-libxvid --enable-libbluray --enable-libtheora --enable-libcelt --enable-openssl --enable-libspeex --enable-postproc --enable-libvpx --enable-libgsm --enable-libopenjpeg --enable-libopus --enable-fontconfig --enable-libfreetype --enable-libass --enable-filters --disable-indev=qtkit --enable-runtime-cpudetect --enable-bzlib --enable-zlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-libtwolame --enable-openal --enable-libsoxr --enable-libwavpack --enable-libvidstab --enable-libilbc --enable-libschroedinger --enable-libcaca --enable-opengl --enable-frei0r --enable-libquvi

But I come across a problem, the FFmpeg binary is only 15.5MB which is much smaller than the official builds, what’s more, it can’t work on my second Mac and with errors below.

Library not loaded: /usr/local/lib/libx264.142.dylib

  Referenced from: /Applications/CLI/ffmpeg

  Reason: image not found

Trace/BPT trap: 5

And then I use otool command to see what the dynamic libraries ffmpeg rely on.

otool -L /Applications/CLI/ffmpeg | grep local



    /usr/local/lib/libSDL-1.2.0.dylib (compatibility version 12.0.0, current version 12.4.0)

    /usr/local/lib/libx265.25.dylib (compatibility version 25.0.0, current version 1.2.0)

    /usr/local/lib/libx264.142.dylib (compatibility version 0.0.0, current version 0.0.0)

    /usr/local/lib/libvorbisenc.2.dylib (compatibility version 3.0.0, current version 3.10.0)

    /usr/local/lib/libvorbis.0.dylib (compatibility version 5.0.0, current version 5.7.0)

    /usr/local/lib/libogg.0.dylib (compatibility version 9.0.0, current version 9.2.0)

    /usr/local/lib/libvo-aacenc.0.dylib (compatibility version 1.0.0, current version 1.3.0)

    /usr/local/lib/libvidstab.0.9.dylib (compatibility version 0.9.0, current version 0.0.0)

    /usr/local/lib/libtheoraenc.1.dylib (compatibility version 3.0.0, current version 3.2.0)

    /usr/local/lib/libtheoradec.1.dylib (compatibility version 3.0.0, current version 3.4.0)

    /usr/local/lib/libspeex.1.dylib (compatibility version 7.0.0, current version 7.0.0)

    /usr/local/lib/libquvi.7.dylib (compatibility version 8.0.0, current version 8.1.0)

    /usr/local/lib/libopus.0.dylib (compatibility version 6.0.0, current version 6.0.0)

    /usr/local/lib/libopenjpeg.1.dylib (compatibility version 7.0.0, current version 7.0.0)

    /usr/local/lib/libopencore-amrwb.0.dylib (compatibility version 1.0.0, current version 1.3.0)

    /usr/local/lib/libopencore-amrnb.0.dylib (compatibility version 1.0.0, current version 1.3.0)

    /usr/local/lib/libmp3lame.0.dylib (compatibility version 1.0.0, current version 1.0.0)

    /usr/local/lib/libgsm.1.0.13.dylib (compatibility version 1.0.0, current version 1.0.13)

    /usr/local/lib/libfreetype.6.dylib (compatibility version 18.0.0, current version 18.2.0)

    /usr/local/lib/libfontconfig.1.dylib (compatibility version 10.0.0, current version 10.0.0)

    /usr/local/lib/libfdk-aac.0.dylib (compatibility version 1.0.0, current version 1.4.0)

    /usr/local/lib/libfaac.0.0.0.dylib (compatibility version 1.0.0, current version 1.0.0)

    /usr/local/lib/libcaca.0.dylib (compatibility version 100.0.0, current version 100.19.0)

    /usr/local/lib/libcelt0.2.dylib (compatibility version 3.0.0, current version 3.0.0)

    /usr/local/lib/libbluray.1.dylib (compatibility version 8.0.0, current version 8.0.0)

    /usr/local/lib/libass.5.dylib (compatibility version 6.0.0, current version 6.0.0)

Most of my packages are installed by Homebrew, and Homebrew will install them with "—enable-static —enable-shared". And my guess is : when I compile ffmpeg, ffmpeg rather use the dynamic libraries than the static libraries, so the binary won’t work on other Macs.How can I build a static binary of ffmpeg ? Thanks.

update : I successfully build static ffmpeg after moving all the dylibs which have static libraries as well to other dictionary and disable all the libraries that ./configure can’t find.

./configure --extra-version=Chitanda_Eru --prefix=/Volumes/Chitanda_Eru/ --enable-gpl --enable-version3 --enable-nonfree --disable-shared --enable-static --enable-ffplay --disable-ffserver --enable-pthreads --enable-avisynth --enable-libvo-aacenc --enable-libfaac --enable-libfdk-aac --enable-libmp3lame --enable-libvorbis --enable-libx264 --enable-libxvid --enable-libtheora --enable-libcelt --enable-openssl --enable-libspeex --enable-postproc --enable-libvpx --enable-libgsm --enable-libopenjpeg --enable-filters --disable-indev=qtkit --enable-runtime-cpudetect --enable-bzlib --enable-zlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-libtwolame --enable-libsoxr --enable-libwavpack --enable-libilbc --enable-opengl --enable-frei0r

ffmpeg and VLC input rtp

19 juillet 2014, par ILoveSelfStudiyn
I want to stream screen desktop through ffmpeg library in RTP and take this stream in VLC player.

So, I have done next steps :
1. Load static ffmpeg and run RTP strem of my desktop throught next command :
ffmpeg -f gdigrab -framerate 30 -i desktop -q 0 -an -f rtp
rtp ://127.0.0.1:2304 > 1.sdp

stream successfully works.
https://dl.dropboxusercontent.com/u/8262546/HjbKq%5B1%5D.jpg

When I connect to this stream throught ffplay 1.sdp - everything is ok.

2.When I connect to this stream(rtp ://127.0.0.1:2304) through VLC player, I receive next error :

SDP required : A description in SDP format is required to receive the
RTP stream. Note that rtp :// URIs cannot work with dynamic RTP payload
format (96).

According with error I open 1.sdp file which generated by ffmpeg, but this don’t resolve problem.

1.sdp :

v=0

o=- 0 0 IN IP4 127.0.0.1

s=No Name

c=IN IP4 127.0.0.1

t=0 0

a=tool:libavformat 55.48.101

m=video 2304 RTP/AVP 96

b=AS:200

a=rtpmap:96 MP4V-ES/90000

a=fmtp:96 profile-level-id=1

Dear friends, how can I open RTP stream which generates ffmpeg through VLC player ?
It can be rtsp stream too, I tried it, but this don’t resolve problem.
Thanks a lot !

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Autres articles (32)

Publier sur MédiaSpip

Support de tous types de médias

Déploiements possibles

Sur d’autres sites (5213)

Compiling FFmpeg 2.3 with Android NDK r10

How to compile a static FFmpeg binary on OS X

ffmpeg and VLC input rtp

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