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• Compiling FFMPEG for android app

  7 mars 2016, par Sanat Pandey

  I have to extract audio from Video file and join multiple images to single video with audio, therefore I have to compile FFMPEG source for our android app. But when I run my build_android.sh it returns some unexpected error. Please suggest any solution regarding the same.

  build_android.sh :

  #!/bin/bash
  
  
  
  NDK=/Users/sanatpandey/Desktop/android-sdk-macosx/android-ndk-r10e
  
  PLATFORM=$NDK/platforms/android-9/arch-arm/
  
  PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.6/prebuilt/darwin-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" \
  
          --enable-parsers \
  
          --enable-encoders  \
  
          --enable-decoders \
  
          --disable-muxers \
  
          --enable-demuxers \
  
          --enable-swscale  \
  
          --disable-ffmpeg \
  
          --disable-ffplay \
  
          --disable-ffprobe \
  
          --disable-ffserver \
  
          --enable-network \
  
          --enable-indevs \
  
          --disable-bsfs \
  
          --enable-filters \
  
          --enable-protocols  \
  
          --enable-asm \
  
          $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 -shared -nostdlib \
  
              -Bsymbolic --whole-archive --no-undefined -o $PREFIX/libffmpeg.so \
  
              libavcodec/libavcodec.a libavdevice/libavdevice.a libavfilter/libavfilter.a \
  
              libavformat/libavformat.a libavutil/libavutil.a libswscale/libswscale.a \
  
              libswresample/libswresample.a -lc -lm -lz -ldl -llog \
  
              --dynamic-linker=/system/bin/linker \
  
              $PREBUILT/lib/gcc/arm-linux-androideabi/4.6/libgcc.a
  
  }
  
  
  
  #arm v6 ¹öÀü ÄÄÆÄÀÏ
  
  CPU=armv6
  
  OPTIMIZE_CFLAGS="-marm -march=$CPU"
  
  PREFIX=./android/$CPU 
  
  ADDITIONAL_CONFIGURE_FLAG=
  
  #build_one
  
  
  
  #arm v7vfpv3 ¹öÀü ÄÄÆÄÀÏ
  
  CPU=armv7-a
  
  OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=$CPU "
  
  PREFIX=./android/$CPU 
  
  ADDITIONAL_CONFIGURE_FLAG=
  
  #build_one
  
  
  
  #arm v7vfp ¹öÀü ÄÄÆÄÀÏ
  
  CPU=armv7-a
  
  OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU "
  
  PREFIX=./android/$CPU-vfp
  
  ADDITIONAL_CONFIGURE_FLAG=
  
  build_one
  
  
  
  #arm v7n ¹öÀü ÄÄÆÄÀÏ
  
  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 ¹öÀü ÄÄÆÄÀÏ
  
  CPU=armv6
  
  OPTIMIZE_CFLAGS="-DCMP_HAVE_VFP -mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU"
  
  PREFIX=./android/${CPU}_vfp 
  
  ADDITIONAL_CONFIGURE_FLAG=
  
  #build_one

  Error :

  :android-sdk-macosx sanatpandey$ ./build_android.sh
  ./build_android.sh : line 1 : rtf1ansiansicpg1252cocoartf1347cocoasubrtf570 : command not found
  ./build_android.sh : line 2 : syntax error near unexpected token

  }'
./build_android.sh: line 2:

  \fonttbl\f0\fmodern\fcharset0 Courier ;’
  :android-sdk-macosx sanatpandey$

  Thanks in advance

• How to install this nodejs Application

  15 février 2016, par metalbug

  https://github.com/hexator/live4chan

  i have VMware run ubuntu-14.10-server and 15.10-server

  sudo apt-get install -y 
  
       git mongodb imagemagick libcairo2-dev libjpeg8-dev 
  
       libpango1.0-dev libgif-dev build-essential g++ ffmpeg curl

  install success

  git clone https://github.com/hexator/live4chan.git; 
  
  cd live4chan; 
  
  npm install

  but have errors

  test@ubuntu:~/live4chan$ npm start
  
  
  
      LiveChan@0.0.1 start /home/test/live4chan
  
      node lib/index.js
  
  
  
  Missing certificate or private key
  
  Running with insecure server
  
  info - socket.io started
  
  connect.limit() will be removed in connect 3.0
  
  connect.multipart() will be removed in connect 3.0
  
  visit https://github.com/senchalabs/connect/wiki/Connect-3.0 for alternatives
  
  connect.limit() will be removed in connect 3.0
  
  
  
  module.js:340
  
  throw err;
  
  ^
  
  Error: Cannot find module 'carrier'
  
  at Function.Module._resolveFilename (module.js:338:15)
  
  at Function.Module._load (module.js:280:25)
  
  at Module.require (module.js:364:17)
  
  at require (module.js:380:17)
  
  at Object. (/home/test/ircd.js/lib/server.js:24:15)
  
  at Module._compile (module.js:456:26)
  
  at Object.Module._extensions..js (module.js:474:10)
  
  at Module.load (module.js:356:32)
  
  at Function.Module._load (module.js:312:12)
  
  at Module.require (module.js:364:17)
  
  
  
  npm ERR! Linux 4.2.0-16-generic
  
  npm ERR! argv "node" "/usr/local/bin/npm" "start"
  
  npm ERR! node v0.10.42
  
  npm ERR! npm v3.7.2
  
  npm ERR! code ELIFECYCLE
  
  npm ERR! LiveChan@0.0.1 start: node lib/index.js
  
  npm ERR! Exit status 8
  
  npm ERR!
  
  npm ERR! Failed at the LiveChan@0.0.1 start script 'node lib/index.js'.
  
  npm ERR! Make sure you have the latest version of node.js and npm installed.
  
  npm ERR! If you do, this is most likely a problem with the LiveChan package,
  
  npm ERR! not with npm itself.
  
  npm ERR! Tell the author that this fails on your system:
  
  npm ERR! node lib/index.js
  
  npm ERR! You can get information on how to open an issue for this project with:
  
  npm ERR! npm bugs LiveChan
  
  npm ERR! Or if that isn't available, you can get their info via:
  
  npm ERR! npm owner ls LiveChan
  
  npm ERR! There is likely additional logging output above.
  
  
  
  npm ERR! Please include the following file with any support request:
  
  npm ERR! /home/test/live4chan/npm-debug.log
  
  
  
  ==========================================================
  
  /home/test/live4chan/npm-debug.log
  
  
  
  0 info it worked if it ends with ok
  
  1 verbose cli [ 'node', '/usr/local/bin/npm', 'start' ]
  
  2 info using npm@3.7.2
  
  3 info using node@v0.10.42
  
  4 verbose run-script [ 'prestart', 'start', 'poststart' ]
  
  5 info lifecycle LiveChan@0.0.1~prestart: LiveChan@0.0.1
  
  6 silly lifecycle LiveChan@0.0.1~prestart: no script for prestart, continuing
  
  7 info lifecycle LiveChan@0.0.1~start: LiveChan@0.0.1
  
  8 verbose lifecycle LiveChan@0.0.1~start: unsafe-perm in lifecycle true
  
  9 verbose lifecycle LiveChan@0.0.1~start: PATH: /usr/local/lib/node_modules/npm/bin/node-gyp-bin:/home/test/live4chan/node_modules/.bin:/usr/local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games
  
  10 verbose lifecycle LiveChan@0.0.1~start: CWD: /home/test/live4chan
  
  11 silly lifecycle LiveChan@0.0.1~start: Args: [ '-c', 'node lib/index.js' ]
  
  12 silly lifecycle LiveChan@0.0.1~start: Returned: code: 8 signal: null
  
  13 info lifecycle LiveChan@0.0.1~start: Failed to exec start script
  
  14 verbose stack Error: LiveChan@0.0.1 start: node lib/index.js
  
  14 verbose stack Exit status 8
  
  14 verbose stack at EventEmitter. (/usr/local/lib/node_modules/npm/lib/utils/lifecycle.js:239:16)
  
  14 verbose stack at EventEmitter.emit (events.js:98:17)
  
  14 verbose stack at ChildProcess. (/usr/local/lib/node_modules/npm/lib/utils/spawn.js:24:14)
  
  14 verbose stack at ChildProcess.emit (events.js:98:17)
  
  14 verbose stack at maybeClose (child_process.js:766:16)
  
  14 verbose stack at Process.ChildProcess._handle.onexit (child_process.js:833:5)
  
  15 verbose pkgid LiveChan@0.0.1
  
  16 verbose cwd /home/test/live4chan
  
  17 error Linux 4.2.0-16-generic
  
  18 error argv "node" "/usr/local/bin/npm" "start"
  
  19 error node v0.10.42
  
  20 error npm v3.7.2
  
  21 error code ELIFECYCLE
  
  22 error LiveChan@0.0.1 start: node lib/index.js
  
  22 error Exit status 8
  
  23 error Failed at the LiveChan@0.0.1 start script 'node lib/index.js'.
  
  23 error Make sure you have the latest version of node.js and npm installed.
  
  23 error If you do, this is most likely a problem with the LiveChan package,
  
  23 error not with npm itself.
  
  23 error Tell the author that this fails on your system:
  
  23 error node lib/index.js
  
  23 error You can get information on how to open an issue for this project with:
  
  23 error npm bugs LiveChan
  
  23 error Or if that isn't available, you can get their info via:
  
  23 error npm owner ls LiveChan
  
  23 error There is likely additional logging output above.
  
  24 verbose exit [ 1, true ]

  I tried this :
  npm install carrier

  Or an error.

  and install Other versions of nodejs

  wget http://nodejs.org/dist/latest-v0.10.x/node-v0.10.42.tar.gz
  
  wget http://nodejs.org/dist/latest-v0.12.x/node-v0.12.10.tar.gz 
  
  wget http://nodejs.org/dist/latest-v4.x/node-v4.3.0.tar.gz
  
  wget http://nodejs.org/dist/latest-v5.x/node-v5.6.0.tar.gz
  
  tar zxvf node-v4.3.0.tar.gz
  
  cd node-v4.3.0
  
  ./configure 
  
  make
  
  sudo make install

  Nothing happened

  please help me
  Or you can tell me how to install, detailed, thank you very much !

• FFMPEG gives an error for rtp_mpegts on fedora

  6 mars 2017, par chaitanya kiran

  While executing below ffmpeg command on fedora 21 i m facing "Requested output format ’rtp_mpegts’ is not a suitable output format" ; whereas same works on Ubuntu any ideas please.

  ffmpeg -f v4l2 -i /dev/video0 -s 720x480 -pix_fmt yuv420p -vcodec h264 -r 30 -g 15 -ar 0 -streamid 0:48 -bf 2  -f rtp_mpegts rtp://239.0.32.0:50000

  ffmpeg version 2.4.11 Copyright (c) 2000-2015 the FFmpeg developers
  built on Aug 26 2015 19:46:08 with gcc 4.9.2 (GCC) 20150212 (Red Hat
  4.9.2-6) configuration : —prefix=/usr —bindir=/usr/bin —datadir=/usr/share/ffmpeg —incdir=/usr/include/ffmpeg —libdir=/usr/lib —mandir=/usr/share/man —arch=i686 —optflags=’-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong —param=ssp-buffer-size=4 -grecord-gcc-switches -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables’ —enable-bzlib —disable-crystalhd —enable-frei0r —enable-gnutls —enable-ladspa —enable-libass —enable-libcdio —enable-libdc1394 —disable-indev=jack —enable-libfreetype —enable-libgsm —enable-libmp3lame —enable-openal —enable-opencl —enable-libopencv —enable-libopenjpeg —enable-libopus —enable-libpulse —enable-libschroedinger —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libvorbis —enable-libv4l2 —enable-libvpx —enable-libx264 —enable-libx265 —enable-libxvid —enable-x11grab —enable-avfilter —enable-avresample —enable-postproc —enable-pthreads —disable-static —enable-shared —enable-gpl —disable-debug —disable-stripping —shlibdir=/usr/lib —cpu=i686 —enable-runtime-cpudetect libavutil 54. 7.100 / 54. 7.100 libavcodec 56. 1.100 / 56. 1.100 libavformat 56. 4.101 /
  56. 4.101 libavdevice 56. 0.100 / 56. 0.100 libavfilter 5. 1.100 / 5. 1.100 libavresample 2. 1. 0 / 2. 1. 0 libswscale 3. 0.100 / 3. 0.100 libswresample 1. 1.100 /
  1. 1.100 libpostproc 53. 0.100 / 53. 0.100 Input #0, video4linux2,v4l2, from ’/dev/video0’ : Duration : N/A, start :
  554538.584009, bitrate : 199065 kb/s
  Stream #0:0 : Video : rawvideo (YUY2 / 0x32595559), yuyv422, 1920x1080, 199065 kb/s, 6 fps, 6 tbr, 1000k tbn, 1000k tbc

  [NULL @ 0x8e94d00] Requested output format ’rtp_mpegts’ is not a suitable output format rtp ://239.0.32.0:50000 : Invalid argument