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• JavaCV on Android with ARMv6

  26 février 2014, par xoidberg

  I got problems getting JavaCV (http://code.google.com/p/javacv/) to run on my Samsung Galaxy S5570i device. According to this site http://www.gsmarena.com/samsung_galaxy_pop_plus_s5570i-4544.php this device has an ARMv6 CPU. I tried several deprecated versions of JavaCV that still include builds for ARMv5, because I had problems building it on my own. None of this versions worked on my device. I also tried running this on a virtual device which should simulate ARMv5 as long as I know. I always get exceptions that libraries couldn't be found, e.g. : "Caused by : java.lang.UnsatisfiedLinkError : Cannot load library : reloc_library[1312] : 1306 cannot locate '_ZNK2cv6KDTree14findOrthoRangeERKNS_11_InputArrayES3_RKNS_12_OutputArrayES6_S6_'.
  I know that it is not recommended to use JavaCV on ARMv5 or ARMv6 CPUs, but I want to implement a feature in my app and provide it also for older CPUs, even if it's slower than on newer ones.
  So what could be the problem ? Did I use wrong versions or what versions should I use ?
  Hope to get an answer here.

  Thanks in advance !

  xoidberg

• compiling ffmpeg and chromaprint for android with success on some devices

  4 août 2016, par D Liebman

  I am following the recommendations of this site :

  https://bitbucket.org/phorton1/chromaprint

  From the site I have copied the multi-configure and multi-make scripts for the ffmpeg and chromaprint libraries. I have used them with recent clones of ffmpeg 3.0 and chromaprint 1.3.2 . I get working ’.so’ files for arm, x86 and armv7. I don’t have compillation problems. I load them into my app (a very simple app just to test this library) and I try it on my two devices. One is a Samsung Galaxy TabPro (SM-T320, api 19), and one is the Samsung S4 (api 21). I get the program to run on both. I can use the ’-version’ command to get the chromaprint version info. When I try to fingerprint a audio file, the software works on the older tablet, but not on the s4. On the s4 the error message is ’error decoding audio’.

  I have tried ffmpeg 0.9 as the bitbucket site suggests. I have the same problem. I have tried ffmpeg 2.7 and I thought this was working. Now I cannot get 2.7 to work. As before the code works on the api 19 device and not the s4.

  The Tab is an armeabi-v7a device and the s4 is an armeabi/armeabi-v7 device, so I thought by removing the ’armeabi’ binary I would have the same file on both machines, and they would have to work. This attempt did nothing. I am using android studio.

  Below is a list of some of my ffmpeg configurations. They are taken from the multi-configure script.

      --enable-static
  
      --disable-shared
  
      --disable-doc
  
      --disable-txtpages
  
      --disable-iconv
  
  
  
      --enable-memalign-hack
  
      --enable-debug
  
      --disable-avdevice
  
      --disable-avfilter
  
      --disable-swscale
  
      --disable-ffmpeg
  
      --disable-ffplay
  
      --disable-ffserver
  
      --disable-network
  
      --disable-muxers
  
      --disable-demuxers
  
      --enable-rdft
  
      --enable-demuxer=aac
  
      --enable-demuxer=ac3
  
      --enable-demuxer=ape
  
      --enable-demuxer=asf
  
      --enable-demuxer=flac
  
      --enable-demuxer=matroska_audio
  
      --enable-demuxer=mp3
  
      --enable-demuxer=mpc
  
      --enable-demuxer=mov
  
      --enable-demuxer=mpc8
  
      --enable-demuxer=ogg
  
      --enable-demuxer=tta
  
      --enable-demuxer=wav
  
      --enable-demuxer=wv
  
      --disable-bsfs
  
      --disable-filters
  
      --disable-parsers
  
      --enable-parser=aac
  
      --enable-parser=ac3
  
      --enable-parser=mpegaudio
  
      --disable-protocols
  
      --enable-protocol=file
  
      --disable-indevs
  
      --disable-outdevs
  
      --disable-encoders
  
      --disable-decoders
  
      --enable-decoder=aac
  
      --enable-decoder=ac3
  
      --enable-decoder=alac
  
      --enable-decoder=ape
  
      --enable-decoder=flac
  
      --enable-decoder=mp1
  
      --enable-decoder=mp2
  
      --enable-decoder=mp3
  
      --enable-decoder=mpc7
  
      --enable-decoder=mpc8
  
      --enable-decoder=tta
  
      --enable-decoder=vorbis
  
      --enable-decoder=wavpack
  
      --enable-decoder=wmav1
  
      --enable-decoder=wmav2
  
      --enable-decoder=pcm_alaw
  
      --enable-decoder=pcm_dvd
  
      --enable-decoder=pcm_f32be
  
      --enable-decoder=pcm_f32le
  
      --enable-decoder=pcm_f64be
  
      --enable-decoder=pcm_f64le
  
      --enable-decoder=pcm_s16be
  
      --enable-decoder=pcm_s16le
  
      --enable-decoder=pcm_s16le_planar
  
      --enable-decoder=pcm_s24be
  
      --enable-decoder=pcm_daud
  
      --enable-decoder=pcm_s24le
  
      --enable-decoder=pcm_s32be
  
      --enable-decoder=pcm_s32le
  
      --enable-decoder=pcm_s8
  
      --enable-decoder=pcm_u16be
  
      --enable-decoder=pcm_u16le
  
      --enable-decoder=pcm_u24be
  
      --enable-decoder=pcm_u24le
  
      --enable-decoder=rawvideo

  Here is some information about the s4 that I got from a system info app.

  Build Info
  
      Build.BOARD: MSM8960
  
      Build.BRAND: Verizon
  
      Build.DEVICE: jfltevzw
  
      Build.DISPLAY: LRX22C.I545VRUGOF1
  
      Build.PRODUCT: jfltevzw
  
      Build.HARDWARE: qcom
  
      Build.FINGERPRINT: Verizon/jfltevzw/jfltevzw:5.0.1/LRX22C/I545VRUGOF1:user/release-keys
  
      Build.CPU_ABI: armeabi-v7a
  
      Build.SUPPORTED_32_BIT_ABIS: [armeabi-v7a, armeabi]
  
      Build.SUPPORTED_64_BIT_ABIS: []
  
      Build.SUPPORTED_ABIS: [armeabi-v7a, armeabi]
  
      Build.HOST: SWDD6122
  
      Build.ID: LRX22C
  
      Build.MANUFACTURER: samsung
  
      Build.MODEL: SCH-I545
  
      Build.PRODUCT: jfltevzw
  
      Build.TAGS: release-keys
  
      Build.TIME: 2015-07-15T03:39:01.000-0400
  
      Build.TYPE: user
  
      Build.USER: dpi
  
      Build.BOOTLOADER: I545VRUGOF1
  
      Build.TAGS: release-keys
  
      Build.VERSION.CODENAME: REL
  
      Build.VERSION.INCREMENTAL: I545VRUGOF1
  
      Build.VERSION.RELEASE: 5.0.1
  
      Build.VERSION.SDK_INT: 21

  EDIT :

  This is the complete source for my project minus the api-key which is personal. https://github.com/radiodee1/awesome-fpcalc The code is arranged in parts inside the git repository. The ’fpcalc-testapp’ part just has the Android Studio project. The ’fpcalc-build’ part is my attempt to use the latest versions of ffmpeg, chromaprint, and kissfft. The ’fpcalc-build-complete’ part is a series of scripts that reproduces the P. Horton ffmpeg 2.7 scenario. Bye the way I believe the best libraries are produced in the ’build-complete’ folders.

• tests/ffserver.regression.ref : update ffserver checksums

  28 novembre 2016, par Michael Niedermayer

  tests/ffserver.regression.ref : update ffserver checksums
  Reviewed-by : "Reynaldo H. Verdejo Pinochet" <reynaldo@osg.samsung.com>
  
  Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
  

  • [DH] tests/ffserver.regression.ref