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• react-native-ffmpeg : Native module cannot be null (ios) and null is not an object (evaluating 'RNFFmpegModule.enableLogEvents') (android)

  4 mars 2020, par foxtrotuniform6969

  I have a basic expo project that I’ve eject as expokit, and proceeded to run expo install react-native-ffmpeg. When then running expo start I was greeted with Native module cannot be null on my iOS device and null is not an object (evaluating  'RNFFmpegModule.enableLogEvents').

  After that, I re-read the react-native-ffmpeg documentation and added pod 'react-native-ffmpeg', :podspec => '../node_modules/react-native-ffmpeg/ios/react-native-ffmpeg.podspec' to my ios/Podfile and ran pod install. Still no luck.

  After that, I deleted the node_modules folder and yarn.lock file, re-ran yarn, went into the ios directory, deleted the Pods folder and Podfile.lock file and re-ran pod install and still had no luck !

  The error is less than helpful. Any ideas where to look ?

• When adding a new module to nginx, an error occurred in the configuration assembly

  16 octobre 2019, par Ambasador

  On Centos 6, I am rebuilding nginx to add the module "nginx-rtmp-module-master"

  ./configure --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx
  
  --conf-path=/etc/nginx/nginx.conf
  
  --error-log-path=/var/log/nginx/error.log
  
  --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid
  
  --lock-path=/var/run/nginx.lock
  
  --http-client-body-temp-path=/var/cache/nginx/client_temp
  
  --http-proxy-temp-path=/var/cache/nginx/proxy_temp
  
  --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp
  
  --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp
  
  --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx
  
  --group=nginx
  
  --with-openssl=/builddir/build/BUILD/bx-nginx-1.16.1/openssl-1.1.1c
  
  --with-openssl-opt=enable-tls1_3 --with-http_ssl_module
  
  --with-http_realip_module --with-http_addition_module
  
  --with-http_sub_module --with-http_dav_module --with-http_flv_module
  
  --with-http_mp4_module --with-http_gunzip_module
  
  --with-http_gzip_static_module --with-http_random_index_module
  
  --with-http_secure_link_module --with-http_stub_status_module
  
  --with-http_auth_request_module --with-http_v2_module --with-mail
  
  --with-mail_ssl_module --with-file-aio --with-ipv6
  
  --add-module=../nginx-rtmp-module-master

  After the configuration is completed in the console, the following :

  ....
  
  configuring additional modules
  
  adding module in ../nginx-rtmp-module-master
  
  + ngx_rtmp_module was configured
  
  checking for PCRE library ... found
  
  checking for PCRE JIT support ... not found
  
  checking for zlib library ... found
  
  creating objs/Makefile
  
  
  
  Configuration summary
  
  + using system PCRE library
  
  + using OpenSSL library:
  
  /builddir/build/BUILD/bx-nginx-1.16.1/openssl-1.1.1c
  
  + using system zlib library
  
  
  
  nginx path prefix: "/etc/nginx"
  
  nginx binary file: "/usr/sbin/nginx"
  
  nginx modules path: "/etc/nginx/modules"
  
  nginx configuration prefix: "/etc/nginx"
  
  nginx configuration file: "/etc/nginx/nginx.conf"
  
  nginx pid file: "/var/run/nginx.pid"
  
  nginx error log file: "/var/log/nginx/error.log"
  
  nginx http access log file: "/var/log/nginx/access.log"
  
  nginx http client request body temporary files:
  
  "/var/cache/nginx/client_temp"
  
  nginx http proxy temporary files: "/var/cache/nginx/proxy_temp"
  
  nginx http fastcgi temporary files: "/var/cache/nginx/fastcgi_temp"
  
  nginx http uwsgi temporary files: "/var/cache/nginx/uwsgi_temp"
  
  nginx http scgi temporary files: "/var/cache/nginx/scgi_temp"
  
  
  
  ./configure: warning: the "--with-ipv6" option is deprecated

  After trying to build using the make command, I get an error :

  [root@216501 nginx-1.16.1]# make
  
  make -f objs/Makefile
  
  make[1]: Entering directory `/root/nginx-1.16.1'
  
  cd /builddir/build/BUILD/bx-nginx-1.16.1/openssl-1.1.1c \
  
  && if [ -f Makefile ]; then make clean; fi \
  
  && ./config
  
  --prefix=/builddir/build/BUILD/bx-nginx-1.16.1/openssl-1.1.1c/.openssl
  
  no-shared no-threads enable-tls1_3 \
  
  && make \
  
  && make install_sw LIBDIR=lib
  
  /bin/sh: line 0: cd:
  
  /builddir/build/BUILD/bx-nginx-1.16.1/openssl-1.1.1c: No such file or
  
  directory
  
  make[1]: ***
  
  [/builddir/build/BUILD/bx-nginx-1.16.1/openssl-1.1.1c/.openssl/include/openssl/ssl.h]
  
  Error 1
  
  make[1]: Leaving directory `/root/nginx-1.16.1'
  
  make: *** [build] Error 2

  How to fix the error to correctly install the module I need ?

• How do I save file to current location during FOR recursion

  30 septembre 2019, par Blaine P.

  I have a batch script to run ffmpeg on files recursively. Currently the script saves all the new files to a newly created directory named Output. Instead, I would like to save the new files in the same location as the original files. I thought I would use an environmental variable showing the current directory being traversed to during recursion but I can’t find it.

  SET /P i=Enter the file extension
  
  md output
  
  For /R %%a IN (*.%i%) DO ffmpeg -i "%%a" -c:v libx264 -crf 10 -pix_fmt yuv420p "output/%%~na.mp4"

  The script works fine saving the file as the same filename with a new extension but places the file in the new "output" folder. I tried setting a new variable with %cd% within the FOR loop but that didn’t work.