Sur d’autres sites (5694)

• How to compile ffmpeg on Windows 10 ?

  13 février 2018, par Mr.Han

  My development environment is Windows 10 - 64bit. It is set to Android development environment. I am trying to compile ffmpeg.

  I installed cygwin and installed cygwin. gcc related all, dos2unix, make, automake. ffmpeg version is 3-2.10.

  Configure file

  Before

  SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
  
  LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
  
  SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
  
  SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  After

  SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
  
  LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
  
  SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
  
  SLIB_INSTALL_LINKS='$(SLIBNAME)'

  build_android.sh

  #!/bin/bash
  
  NDK=c:/Users/storm/AppData/Local/Android/Sdk/ndk-bundle
  
  SYSROOT=$NDK/platforms/android-16/arch-arm/
  
  TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64
  
  CUR=`cygpath -m $(pwd)`
  
  TEMPDIR=`cygpath -m /tmp`
  
  TMP=`cygpath -m /tmp`
  
  function build_one
  
  {
  
  sed -i 's/ln_s="ln -s -f"/ln_s="cp -f"/g' ./configure
  
  ./configure \
  
  --prefix=$PREFIX \
  
  --enable-shared \
  
  --disable-static \
  
  --disable-doc \
  
  --disable-ffmpeg \
  
  --disable-ffplay \
  
  --disable-ffprobe \
  
  --disable-ffserver \
  
  --disable-avdevice \
  
  --disable-doc\
  
  --disable-symver \
  
  --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
  
  --target-os=linux \
  
  --arch=arm \
  
  --enable-cross-compile \
  
  --sysroot=$SYSROOT \
  
  --extra-cflags="-Os -fpic $ADDI_CFLAGS" \
  
  --extra-ldflags="$ADDI_LDFLAGS"\
  
  $ADDITIONAL_CONFIGURE_FLAG
  
  sed -i':a;N;$!ba;s/gcc 4.9\r/gcc 4.9/g' ./config.h
  
  sed -i':a;N;$!ba;s/gcc 4.9\r/gcc 4.9/g' ./config.mak
  
  #make clean
  
  #make
  
  #make install
  
  }
  
  CPU=arm
  
  PREFIX=$CUR/android/$CPU
  
  ADDI_CFLAGS="-marm"
  
  build_one

  Where is the problem ?

• ffmpeg android porting help me

  13 février 2018, par Mr.Han

  My development environment is Windows10 - 64bit .
  It is set to Android development environment
  I am trying to compile ffmpeg.
  I installed cygwin and installed cygwin.
  gcc related all, dos2unix, make, automake.
  ffmpeg version is 3-2.10.

  1. configure file
     Before

     SLIBNAME_WITH_MAJOR=’$(SLIBNAME).$(LIBMAJOR)’
     LIB_INSTALL_EXTRA_CMD=’$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"’
     SLIB_INSTALL_NAME=’$(SLIBNAME_WITH_VERSION)’
     SLIB_INSTALL_LINKS=’$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)’

  After

  SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
  
  LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
  
  SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
  
  SLIB_INSTALL_LINKS='$(SLIBNAME)'

  2. build_android.sh

      !/bin/bash

     NDK=c :/Users/storm/AppData/Local/Android/Sdk/ndk-bundle
     SYSROOT=$NDK/platforms/android-16/arch-arm/
     TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64
     CUR=cygpath -m $(pwd)
     TEMPDIR=cygpath -m /tmp
     TMP=cygpath -m /tmp
     function build_one
     
     sed -i ’s/ln_s="ln -s -f"/ln_s="cp -f"/g’ ./configure
     ./configure \
     — prefix=$PREFIX \
     — enable-shared \
     — disable-static \
     — disable-doc \
     — disable-ffmpeg \
     — disable-ffplay \
     — disable-ffprobe \
     — disable-ffserver \
     — disable-avdevice \
     — disable-doc\
     — disable-symver \
     — cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
     — target-os=linux \
     — arch=arm \
     — enable-cross-compile \
     — sysroot=$SYSROOT \
     — extra-cflags="-Os -fpic $ADDI_CFLAGS" \
     — extra-ldflags="$ADDI_LDFLAGS"\
     $ADDITIONAL_CONFIGURE_FLAG
     sed -i’:a ;N ;$ !ba ;s/gcc 4.9\r/gcc 4.9/g’ ./config.h
     sed -i’:a ;N ;$ !ba ;s/gcc 4.9\r/gcc 4.9/g’ ./config.mak

     make clean

     make

     make install

     
     CPU=arm
     PREFIX=$CUR/android/$CPU
     ADDI_CFLAGS="-marm"
     build_one

  Where is the problem ?
  Please help me.

• ffmpeg settings for converting to mp4 and ogg for HTML5 video [closed]

  18 août 2012, par betamax

  Despite all the hype, in reality the HTML5 video tag has a bit of a problem. In order to use it and for it to be cross browser compatible, you have to include more than one format of the video. To target all supported browsers these formats are mp4 and ogg.

  I was searching around for optimum settings for each format but unfortunately I couldn't find any. I'm using ffmpeg 0.6 which has the tagline "Works with HTML5". I'm no video expert so I was wondering if anyone could recommend decent settings for each format ?