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Autres articles (60)
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Qu’est ce qu’un éditorial
21 juin 2013, parEcrivez votre de point de vue dans un article. Celui-ci sera rangé dans une rubrique prévue à cet effet.
Un éditorial est un article de type texte uniquement. Il a pour objectif de ranger les points de vue dans une rubrique dédiée. Un seul éditorial est placé à la une en page d’accueil. Pour consulter les précédents, consultez la rubrique dédiée.
Vous pouvez personnaliser le formulaire de création d’un éditorial.
Formulaire de création d’un éditorial Dans le cas d’un document de type éditorial, les (...) -
Les images
15 mai 2013 -
XMP PHP
13 mai 2011, parDixit Wikipedia, XMP signifie :
Extensible Metadata Platform ou XMP est un format de métadonnées basé sur XML utilisé dans les applications PDF, de photographie et de graphisme. Il a été lancé par Adobe Systems en avril 2001 en étant intégré à la version 5.0 d’Adobe Acrobat.
Étant basé sur XML, il gère un ensemble de tags dynamiques pour l’utilisation dans le cadre du Web sémantique.
XMP permet d’enregistrer sous forme d’un document XML des informations relatives à un fichier : titre, auteur, historique (...)
Sur d’autres sites (7451)
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How to mux video and audio without using FFMPEG ?
20 janvier 2019, par Yekta SarıoğluI need to mux video(mp4) and audio(wav) into a single MP4 file on the Android platform. I don’t want to use FFMPEG due to its legal issues. I tried to do with MediaMuxer. And I used this solution as an example Muxer Example but I could not succeed and got an error failed to instantiate extractor where you set data source as a string path. I looked up for more answers but wherever I search on the Internet, all I found was FFMPEG based on solutions. I could not find any reliable answers. I hope you guys can help with it. Thanks in advance.
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How to stream multiple inputs to multiple outputs on Windows ?
17 janvier 2019, par Samoussa Binou MymusicisinmeI’m used to using ffmpeg and stuff to broadcast/do testing.. but I don’t understand how iptv servers succeed at having 50+ input streams, making 50+ output streams and sharing them, as I can’t even run 3 ffmpeg commands with encoding without having the CPU crying for help...
I’ve tried to get infos, but except Wowza that seems to do what I’m trying to understand, I don’t find any info...
I hope that you can enlight me on understanding how this whole thing works. Also, I’d like to test it out so if you got any recommendations on how to do this, I’ll be thankful to you !
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Failed to compile x264 library for android, error description : clang:error no such file or directory
12 janvier 2019, par Lee.SaipengI use a shell script to compile the x264 library to the android platform, the architecture is armeabi-v7a,The x264 library was cloned from github。
I am sure I have those directories,and I checked the search engine such as google,No one encountered the same situation
ANDROID_NDK=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b
SYSROOT=$ANDROID_NDK/platforms/android-16/arch-arm
CROSS_PREFIX=$ANDROID_NDK/toolchains/arm-linux-androideabi-
4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
EXTRA_CFLAGS="-march=armv7-a -mfloat-abi=softfp -mfpu=neon -
D__ANDROID__ -D__ARM_ARCH_7__ -D__ARM_ARCH_7A__"
EXTRA_LDFLAGS="-nostdlib"
PREFIX=`pwd`/libs/armeabi-v7a
./configure --prefix=$PREFIX \
--host=arm-linux \
--sysroot=$SYSROOT \
--cross-prefix=$CROSS_PREFIX \
--extra-cflags="$EXTRA_CFLAGS" \
--extra-ldflags="$EXTRA_LDFLAGS" \
--enable-pic \
--enable-static \
--enable-strip \
--disable-cli \
--disable-asm
# --disable-win32thread \
# --disable-avs \
# --disable-swscale \
# --disable-lavf \
# --disable-ffms \
# --disable-gpac \
# --disable-lsmash \
# --disable-opencl
make clean
make STRIP= -j8 install || exit 1
cp -f $PREFIX/libx264.a $PREFIXThe error is here
enter image description here
The result is that this x264 library cannot be used. Can someone help me ? thanks very muchOk, I generated the config.log file during the compilation of x264, I hope it is an error log file, the log content is as follows :
checking for -Werror=unknown-warning-option... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -Werror=unknown-warning-option --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -o conftest
cc1: error: -Werror=unknown-warning-option: no option -Wunknown-warning-option
--------------------------------------------------
Failed program was:
--------------------------------------------------
int main (void) { return 0; }
--------------------------------------------------
x264 configure script
Command line options: "--prefix=/Users/Project/bishe/x264/libs/armeabi-v7a" "--host=arm-linux" "--sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm" "--cross-prefix=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-" "--extra-cflags=-march=armv5te" "-msoft-float" "-D__ANDROID__" "-D__ARM_ARCH_5TE__" "-D__ARM_ARCH_5TEJ__" "--extra-ldflags=-nostdlib" "--enable-pic" "--enable-static" "--enable-strip" "--disable-cli" "--disable-asm" "--disable-win32thread" "--disable-avs" "--disable-swscale" "--disable-lavf" "--disable-ffms" "--disable-gpac" "--disable-lsmash" "--disable-opencl"
checking whether /Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc works... yes
checking whether /Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc supports for( int i = 0; i < 9; i++ ); with -std=gnu99... yes
checking for pthread_create(0,0,0,0); in pthread.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE -lpthread --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -o conftest
conftest.c:1:21: fatal error: pthread.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { pthread_create(0,0,0,0); return 0; }
--------------------------------------------------
checking for pthread_create(0,0,0,0); in pthread.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -o conftest
conftest.c:1:21: fatal error: pthread.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { pthread_create(0,0,0,0); return 0; }
--------------------------------------------------
checking for log2f(2); in math.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -o conftest
conftest.c:1:18: fatal error: math.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { log2f(2); return 0; }
--------------------------------------------------
checking for strtok_r(0, 0, 0); in string.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -o conftest
conftest.c:1:20: fatal error: string.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { strtok_r(0, 0, 0); return 0; }
--------------------------------------------------
checking for clock_gettime(CLOCK_MONOTONIC, 0); in time.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -o conftest
conftest.c:1:18: fatal error: time.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { clock_gettime(CLOCK_MONOTONIC, 0); return 0; }
--------------------------------------------------
checking for clock_gettime(CLOCK_MONOTONIC, 0); in time.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE -lrt --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -o conftest
conftest.c:1:18: fatal error: time.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { clock_gettime(CLOCK_MONOTONIC, 0); return 0; }
--------------------------------------------------
checking whether defined(MAP_PRIVATE) is true... no
--------------------------------------------------
conftest.c:1:22: fatal error: sys/mman.h: No such file or directory
#include <sys></sys>mman.h>
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include <sys></sys>mman.h>
#include
#if !(defined(MAP_PRIVATE))
#error
#endif
--------------------------------------------------
checking for uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3}; in stdint.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -o conftest
In file included from conftest.c:1:0:
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/include/stdint.h:9:26: fatal error: stdint.h: No such file or directory
# include_next
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3}; return 0; }
--------------------------------------------------
checking for stdio.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE -fPIC -shared -Wl,-Bsymbolic --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -o conftest
conftest.c:1:19: fatal error: stdio.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { return 0; }
--------------------------------------------------
checking for -fno-tree-vectorize... yes
checking for fseeko(stdin,0,0); in stdio.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -O3 -ffast-math -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE -fPIC -fomit-frame-pointer -fno-tree-vectorize --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -s -o conftest
conftest.c:1:19: fatal error: stdio.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { fseeko(stdin,0,0); return 0; }
--------------------------------------------------
checking for fseeko64(stdin,0,0); in stdio.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -O3 -ffast-math -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE -fPIC -fomit-frame-pointer -fno-tree-vectorize --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -s -o conftest
conftest.c:1:19: fatal error: stdio.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { fseeko64(stdin,0,0); return 0; }
--------------------------------------------------
checking for _fseeki64(stdin,0,0); in stdio.h... no
Failed commandline was:
--------------------------------------------------
/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/bin/arm-linux-androideabi-gcc conftest.c -O3 -ffast-math -Wall -I. -I$(SRCPATH) --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -march=armv5te -msoft-float -D__ANDROID__ -D__ARM_ARCH_5TE__ -D__ARM_ARCH_5TEJ__ -std=gnu99 -D_GNU_SOURCE -fPIC -fomit-frame-pointer -fno-tree-vectorize --sysroot=/Users/Project/devtools/android-sdk-macosx/android-ndk-r16b/platforms/android-16/arch-arm -nostdlib -lm -s -o conftest
conftest.c:1:19: fatal error: stdio.h: No such file or directory
#include
^
compilation terminated.
--------------------------------------------------
Failed program was:
--------------------------------------------------
#include
int main (void) { _fseeki64(stdin,0,0); return 0; }
--------------------------------------------------
checking for -Wshadow... yes
checking for -Wmaybe-uninitialized... yes
platform: ARM
byte order: little-endian
system: LINUX
cli: no
libx264: internal
shared: no
static: yes
asm: no
interlaced: yes
avs: no
lavf: no
ffms: no
mp4: no
gpl: yes
thread: no
opencl: no
filters: crop select_every
lto: no
debug: no
gprof: no
strip: yes
PIC: yes
bit depth: all
chroma format: all