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• Android java.lang.UnsatisfiedLinkError - couldn't find "libffmpeg.so"

  9 août 2017, par Achin

  i have build this project with eclipse https://github.com/youtube/yt-watchme and it is running fine , but when i try to build this project in android studio i am error in my Ffmpeg class ,i have copy all the file from my running demo which i made in eclipse to my android studio project directory , i will post my directory structure and build.gradle , please anyone guide me ? please see the below

  Process: com.google.android.apps.watchme, PID: 6330
  
      java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.google.android.apps.watchme-2/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]] couldn't find "libffmpeg.so"
  
              at java.lang.Runtime.loadLibrary(Runtime.java:366)
  
              at java.lang.System.loadLibrary(System.java:988)
  
              at com.google.android.apps.watchme.Ffmpeg.<clinit>(Ffmpeg.java:22)
  
              at com.google.android.apps.watchme.VideoStreamingConnection.open(VideoStreamingConnection.java:71)
  
              at com.google.android.apps.watchme.StreamerService.startStreaming(StreamerService.java:73)
  
              at com.google.android.apps.watchme.StreamerActivity.startStreaming(StreamerActivity.java:161)
  
              at com.google.android.apps.watchme.StreamerActivity.access$200(StreamerActivity.java:39)
  
              at com.google.android.apps.watchme.StreamerActivity$1.onServiceConnected(StreamerActivity.java:55)
  
              at android.app.LoadedApk$ServiceDispatcher.doConnected(LoadedApk.java:1208)
  
              at android.app.LoadedApk$ServiceDispatcher$RunConnection.run(LoadedApk.java:1225)
  
              at android.os.Handler.handleCallback(Handler.java:739)
  
              at android.os.Handler.dispatchMessage(Handler.java:95)
  
              at android.os.Looper.loop(Looper.java:135)
  
              at android.app.ActivityThread.main(ActivityThread.java:5343)
  
              at java.lang.reflect.Method.invoke(Native Method)
  
              at java.lang.reflect.Method.invoke(Method.java:372)
  
              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
  
              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)
  
  </clinit>

  

  and in JNI function

  

• mjpeg : Add support for ICC side data

  23 août 2017, par Derek Buitenhuis

  mjpeg : Add support for ICC side data
  JPEGs store embedded profiles under the APP2 marker, signified
  
  with a "ICC_PROFILE" null-terminated string header, and can be
  
  split across multiple APP2 markers, out of order.
  Signed-off-by : Derek Buitenhuis <derek.buitenhuis@gmail.com>
  

  • [DH] libavcodec/mjpegdec.c
  • [DH] libavcodec/mjpegdec.h

• "Non-monotonous DTS" and jerky video when copying streams

  2 décembre 2017, par forthrin

  I’m switching containers from MKV to mp4 for a set of video files. This has worked for all videos before, but now I’m getting weird problems (also when converting from MKV to another MKV !)

  1. I’m getting a million Non-monotonous DTS in output stream messages
  2. With QuickTime on macOS the video is jerking back and forth very fast while playing
  3. With VLC on macOS, the video is skipping a lot of frames

  How can I fix this, without re-encoding the video stream ? (Re-encoding audio would be acceptable.) Somehow it must be possible since the original MKV works perfectly !

  $ ffmpeg -i in.mkv -codec copy out.mp4
  
  ffmpeg version 3.3.4 Copyright (c) 2000-2017 the FFmpeg developers
  
    built with Apple LLVM version 9.0.0 (clang-900.0.37)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/3.3.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-libass --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma --enable-vda
  
    libavutil      55. 58.100 / 55. 58.100
  
    libavcodec     57. 89.100 / 57. 89.100
  
    libavformat    57. 71.100 / 57. 71.100
  
    libavdevice    57.  6.100 / 57.  6.100
  
    libavfilter     6. 82.100 /  6. 82.100
  
    libavresample   3.  5.  0 /  3.  5.  0
  
    libswscale      4.  6.100 /  4.  6.100
  
    libswresample   2.  7.100 /  2.  7.100
  
    libpostproc    54.  5.100 / 54.  5.100
  
  Input #0, matroska,webm, from 'in.mkv':
  
    Metadata:
  
      ENCODER         : Lavf54.63.104
  
    Duration: 00:37:59.98, start: 0.200000, bitrate: 2536 kb/s
  
      Stream #0:0: Video: h264 (High), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc
  
      Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 384 kb/s (default)
  
  [mp4 @ 0x7f93c9006c00] track 1: codec frame size is not set
  
  Output #0, mp4, to 'out.mp4':
  
    Metadata:
  
      encoder         : Lavf57.71.100
  
      Stream #0:0: Video: h264 (High) ([33][0][0][0] / 0x0021), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 23.98 fps, 23.98 tbr, 16k tbn, 1k tbc
  
      Stream #0:1(eng): Audio: ac3 ([165][0][0][0] / 0x00A5), 48000 Hz, 5.1(side), fltp, 384 kb/s (default)
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (copy)
  
    Stream #0:1 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  [mp4 @ 0x7f93c9006c00] Non-monotonous DTS in output stream 0:0; previous: 60720, current: 60064; changing to 60721. This may result in incorrect timestamps in the output file.
  
  [mp4 @ 0x7f93c9006c00] Non-monotonous DTS in output stream 0:0; previous: 63392, current: 62736; changing to 63393. This may result in incorrect timestamps in the output file.
  
  (...repeats a million times...)

  MP4Box :

  $ MP4Box -add in.mkv out.mp4
  
  [MPEG-2 TS] TS Packet 1 is scrambled - not supported
  
  [MPEG-2 TS] TS Packet 3 does not start with sync marker
  
  ...
  
  [MPEG-2 TS] TS Packet 999 does not start with sync marker
  
  [Importer] Unknown input file type
  
  Error importing in.mkv: Corrupted Data in file/stream

  So the file is maybe corrupt ? (Though it plays perfectly to begin with, in VLC at least !) Is there any way I can repair it and convert it to an mp4 file, again without re-encoding the video stream ?