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• Ruby on Rails 4 Heroku App Crash while uploading large size video

  22 juillet 2016, par Krishna Vyas

  large video file isn’t uploading on heroku and throwing Application Crash error
  Here is my Model Code :

  has_attached_file :video, :styles => {
  
    :medium => {
  
      :geometry => "640x480",
  
      :format => 'mp4',
  
      :convert_options => {
  
      :output => {
  
        :vcodec => 'libx264',
  
        :acodec => 'copy'
  
      }
  
    }
  
    },
  
    :thumb => {
  
      :geometry => "300x300#",
  
      :format => 'jpg',
  
      :time => 2,
  
      :auto_rotate => true
  
    }
  
  }, :processors => [:transcoder]
  
  
  
  validates_attachment_content_type :video, content_type: /\Avideo\/.*\Z/

  Here is my log from heroku

  2016-07-22T13:15:13.616340+00:00 app[web.1]: Command :: file -b --mime '/tmp/33028ec79c8028f75908c90d9f018aeb20160722-3-1e90wvf.mp4'
  
  2016-07-22T13:15:13.771935+00:00 app[web.1]: [AV] Running command: if command -v avprobe 2>/dev/null; then echo "true"; else echo "false"; fi
  
  2016-07-22T13:15:13.773078+00:00 app[web.1]: [AV] Running command: if command -v ffmpeg 2>/dev/null; then echo "true"; else echo "false"; fi
  
  2016-07-22T13:15:13.774121+00:00 app[web.1]: [AV] Found ["ffmpeg"], using: Ffmpeg
  
  2016-07-22T13:15:13.774159+00:00 app[web.1]: [AV] Running command: if command -v avprobe 2>/dev/null; then echo "true"; else echo "false"; fi
  
  2016-07-22T13:15:13.775225+00:00 app[web.1]: [AV] Running command: if command -v ffmpeg 2>/dev/null; then echo "true"; else echo "false"; fi
  
  2016-07-22T13:15:13.776771+00:00 app[web.1]: [AV] Found ["ffmpeg"], using: Ffmpeg
  
  2016-07-22T13:15:13.776807+00:00 app[web.1]: [AV] Running command: ffmpeg -i "/tmp/33028ec79c8028f75908c90d9f018aeb20160722-3-xbemwt.mp4" 2>&1
  
  2016-07-22T13:15:13.814982+00:00 app[web.1]: [paperclip] [transcoder] Transocding supported file /tmp/33028ec79c8028f75908c90d9f018aeb20160722-3-xbemwt.mp4
  
  2016-07-22T13:15:13.815056+00:00 app[web.1]: [AV] Adding output parameter ["acodec", "aac"]
  
  2016-07-22T13:15:13.815103+00:00 app[web.1]: [AV] Adding output parameter ["strict", "experimental"]
  
  2016-07-22T13:15:13.815289+00:00 app[web.1]: [AV] Adding output parameter [:s, "640x480"]
  
  2016-07-22T13:15:13.815379+00:00 app[web.1]: [AV] Running command: ffmpeg -i "/tmp/33028ec79c8028f75908c90d9f018aeb20160722-3-xbemwt.mp4" -acodec aac -strict experimental -s 640x480 -y "/tmp/33028ec79c8028f75908c90d9f018aeb20160722-3-xbemwt20160722-3-1pwdg2k.mp4"
  
  2016-07-22T13:15:43.237749+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=POST path="/courses/5/sections/7/lessons/11" host=xxxxx.herokuapp.com request_id=a1408ac7-c7c3-40f4-8365-86156d2d2314 fwd="43.255.56.1" dyno=web.1 connect=0ms service=188655ms status=503 bytes=0

• 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.

• Remove the legacy X11 screen grabber

  27 juillet 2016, par Diego Biurrun

  Remove the legacy X11 screen grabber
  The XCB screen grabber is a drop-in replacement and not under GPL.
  

  • [DBH] Changelog
  • [DBH] LICENSE
  • [DBH] configure
  • [DBH] libavdevice/Makefile
  • [DBH] libavdevice/alldevices.c
  • [DBH] libavdevice/avdevice.h
  • [DBH] libavdevice/x11grab.c