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• Revision 26a76dc3f8 : Merge changes I4f0f4378,I02250d13 * changes : Re-enable unit test on neon impl

  24 mai 2014, par Jingning Han

  Merge changes I4f0f4378,I02250d13

  * changes :
  Re-enable unit test on neon implementation of 16x16 idct
  Turn on unit test for inverse 16x16 2D-DCT ssse3

• ffmpeg android unable to build

  2 janvier 2014, par nmxprime

  My goal is to build ffmpeg static libraries so that i can use them with jni and call directly the functions defined in ffmpeg to encode series of images as h264 video stream and render it on screen using GLSurfaceVIew in android 2.3.6.

  Using https://www.ffmpeg.org/doxygen/0.6/api-example_8c-source.html i came to know that by having the required .so files and headers i can do that.

  I followed Android NDK & FFMPEG build and many others. Everywhere i found reference to the build scripts by roman10.

  I use Ubunthu 12.0.4 LTS with android-ndk-r9 and ffmpeg-0.10 source !

  Below is the built script i used !

  NDK=~/android-ndk-r9
  
  PLATFORM=$NDK/platforms/android-8/arch-arm/
  
  #PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.7/prebuilt/windows
  
  PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86
  
  
  
  function build_one
  
  {
  
  ./configure --target-os=linux \
  
  --prefix=$PREFIX \
  
  --enable-cross-compile \
  
  --extra-libs="-lgcc" \
  
  --arch=arm \
  
  --cc=$PREBUILT/bin/arm-linux-androideabi-gcc-4.8 \
  
  --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=mpeg4 \
  
  --enable-decoder=h264 \
  
  --enable-parser=h264 \
  
  --disable-network \
  
  --enable-zlib \
  
  --disable-avfilter \
  
  --disable-avdevice \
  
  --disable-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  -z,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  --warn-once  --dynamic-linker=/system/bin/linker $PREBUILT/lib/gcc/arm-linux-androideabi/4.4.3/libgcc.a
  
  }
  
  
  
  
  
  #arm v7vfpv3
  
  CPU=armv7-a
  
  OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=$CPU "
  
  PREFIX=./android/$CPU
  
  ADDITIONAL_CONFIGURE_FLAG=
  
  build_one

  When i run the script( test_build.sh) i get following

  Unknown option "".
  
  See ./configure --help for available options.
  
  ./test_build.sh: line 34: --nm=/home/user/android-ndk-r9/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-nm: No such file or directory
  
  CC      ffmpeg.o
  
  CC      cmdutils.o
  
  CC      libavdevice/alldevices.o
  
  CC      libavdevice/avdevice.o
  
  CC      libavdevice/dv1394.o
  
  ffmpeg.c: In function âopt_input_fileâ:
  
  ffmpeg.c:3698:9: warning: âloop_inputâ is deprecated (declared at libavformat/avformat.h:1049) [-Wdeprecated-declarations]
  
  ffmpeg.c: In function âopt_output_fileâ:
  
  ffmpeg.c:4483:9: warning: âloop_outputâ is deprecated (declared at libavformat/avformat.h:1025) [-Wdeprecated-declarations]
  
  CC      libavdevice/fbdev.o
  
  CC      libavdevice/lavfi.o
  
  CC      libavdevice/oss_audio.o
  
  CC      libavdevice/v4l2.o
  
  CC      libavfilter/af_aconvert.o
  
  libavfilter/af_aconvert.c:53:5: warning: function declaration isnât a prototype[-Wstrict-prototypes]
  
  libavfilter/af_aconvert.c:105:5: warning: function declaration isnât a prototype[-Wstrict-prototypes]
  
  CC      libavfilter/af_aformat.o
  
  CC      libavfilter/af_amerge.o
  
  CC      libavfilter/af_anull.o
  
  CC      libavfilter/af_aresample.o
  
  CC      libavfilter/af_ashowinfo.o
  
  CC      libavfilter/af_asplit.o
  
  CC      libavfilter/af_astreamsync.o
  
  CC      libavfilter/af_earwax.o
  
  CC      libavfilter/af_pan.o
  
  CC      libavfilter/af_silencedetect.o
  
  CC      libavfilter/af_volume.o
  
  CC      libavfilter/allfilters.o
  
  CC      libavfilter/asink_anullsink.o
  
  libavfilter/af_volume.c: In function âfilter_samplesâ:
  
  ./libavutil/arm/intmath.h:104:5: error: invalid 'asm': invalid operand code 'R'
  
  ./libavutil/arm/intmath.h:104:5: error: invalid 'asm': invalid operand code 'R'
  
  make: *** [libavfilter/af_volume.o] Error 1
  
  make: *** Waiting for unfinished jobs....
  
  ./test_build.sh: line 61: /home/user/android-ndk-r9/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-ar: cannot execute binary file
  
  ./test_build.sh: line 62: /home/user/android-ndk-r9/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-ld: cannot  binary file

  How can i get it work, or am i trying in wrong way ? Any help is appriciated !!

  Also if some one point me out the reason for errors. I dont' know why nm is showing error although it exist on specified path !
  Thank You

• FFMPEG build for android on ubuntu

  23 février 2014, par james

  I am developing a media app which provides support for all video formats for implementing this feature we require FFMPEG the very best library for codecs. Compiling FFMPEG on windows for android is very long battle so I migrated to ubuntu I have almost compiled it shows the the binaries but it gives at last point following message

  >AR libpostproc/libpostproc.a
  
  AR  libswresample/libswresample.a
  
  AR  libswscale/libswscale.a
  
  AR  libavcodec/libavcodec.a
  
  AR  libavutil/libavutil.a
  
  INSTALL libavfilter/libavfilter.a
  
  INSTALL libavformat/libavformat.a
  
  INSTALL libavresample/libavresample.a
  
  INSTALL libpostproc/libpostproc.a
  
  INSTALL libswresample/libswresample.a
  
  INSTALL libswscale/libswscale.a
  
  INSTALL libavutil/libavutil.a
  
  LD  ffmpeg_g
  
  INSTALL libavcodec/libavcodec.a
  
  CP  ffmpeg
  
  STRIP   ffmpeg
  
  skipping strip ffmpeg
  
  INSTALL install-progs-yes
  
  INSTALL ffmpeg
  
  /home/akshay/Desktop/android-ndk-r9c/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86/bin/arm-linux-androideabi-ld: -: unknown option

  Here is my script

  #!/bin/bash
  
  NDK=/home/akshay/Desktop/android-ndk-r9c
  
  PLATFORM=$NDK/platforms/android-8/arch-arm
  
  PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86
  
  PREFIX=./android-ffmpeg
  
  function build_one
  
  {
  
      ./configure --target-os=linux --prefix=$PREFIX \
  
      --enable-cross-compile \
  
      --enable-runtime-cpudetect \
  
      --disable-asm \
  
      --arch=arm \
  
      #--cc=$PREBUILT/bin/arm-linux-androideabi-gcc \
  
      --cross-prefix=$PREBUILT/bin/arm-linux-androideabi- \
  
      --disable-stripping \
  
      #--nm=$PREBUILT/bin/arm-linux-androideabi-nm \
  
      --sysroot=$PLATFORM \
  
      --enable-nonfree \
  
      --enable-version3 \
  
      --disable-everything \
  
      --enable-gpl \
  
      --disable-doc \
  
      --enable-avresample \
  
      --enable-demuxer=rtsp \
  
      --enable-muxer=rtsp \
  
      --disable-ffplay \
  
      --disable-ffserver \
  
      --enable-ffmpeg \
  
      --disable-ffprobe \
  
      --enable-encoders \
  
      --enable-decoders \
  
      --enable-protocols \
  
      --enable-hwaccels \
  
      --enable-zlib \
  
      --disable-devices \
  
      --disable-avdevice \
  
      --extra-cflags="-I/home/android-ffmpeg/include -fPIC -DANDROID -D__thumb__ -mthumb -Wfatal-errors -Wno-deprecated -mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=armv7-a" \
  
      --extra-ldflags="-L/home/android-ffmpeg/lib"
  
      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$PLATFORM/usr/lib -L$PREFIX/lib  -soname libffmpeg.so -shared -  nostdlib  -z,noexecstack -Bsymbolic --whole-archive --no-undefined -o $PREFIX/libffmpeg.so libavcodec/libavcodec.a libavfilter/     libavfilter.a libavresample/libavresample.a libavformat/libavformat.a libavutil/libavutil.a libswscale/libswscale.a -lc -lm -lz -ldl -  llog --warn-once --dynamic-linker=/system/bin/linker $PREBUILT/lib/gcc/arm-linux-androideabi/4.8/libgcc.a
  
  }
  
  build_one

  Please tell me anything wrong in the script