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• java.lang.UnsatisfiedLinkError : dlopen failed : cannot locate symbol "av_bsf_next" referenced by "/lib/arm/libffmpeg.so"

  21 octobre 2019, par Sushrita

  I have a third party library which has ffmpeg as dependency and i am getting this error while executing a thread.

   Process: com.joe.epmediademo, PID: 11906
  
      java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "av_bsf_next" referenced by "/data/app/com.joe.epmediademo-U-buiUc64rYJquAlCAhK5A==/lib/arm/libffmpeg.so"...
  
          at java.lang.Runtime.loadLibrary0(Runtime.java:1016)
  
          at java.lang.System.loadLibrary(System.java:1657)
  
          at Jni.FFmpegCmd.<clinit>(FFmpegCmd.java:24)
  
          at Jni.FFmpegCmd.exec(FFmpegCmd.java:73)
  
          at VideoHandle.EpEditor.execCmd(EpEditor.java:571)
  
          at VideoHandle.EpEditor.exec(EpEditor.java:135)
  
          at com.joe.epmediademo.Activity.EditActivity.execVideo(EditActivity.java:182)
  
          at com.joe.epmediademo.Activity.EditActivity.onClick(EditActivity.java:106)
  
          at android.view.View.performClick(View.java:6297)
  
          at android.view.View$PerformClick.run(View.java:24797)
  
          at android.os.Handler.handleCallback(Handler.java:790)
  
          at android.os.Handler.dispatchMessage(Handler.java:99)
  
          at android.os.Looper.loop(Looper.java:164)
  
          at android.app.ActivityThread.main(ActivityThread.java:6626)
  
          at java.lang.reflect.Method.invoke(Native Method)
  
          at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
  
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:811)
  
  </clinit>

• ffmpeg covert yuv to mp4 failed :"Invalid buffer size, packet size"

  3 janvier 2020, par Sean

  Hi I am trying to convert YUV video to a avi formt with the following command :
  "ffmpeg -f rawvideo -vcodec rawvideo -s 512x512 -r 25 -pix_fmt yuv420p -i output3.yuv -c:v libx264 -preset ultrafast -qp 0 output.avi"

  Then I got an error

  [rawvideo @ 0x1c9e620] Estimating duration from bitrate, this may be inaccurate
Input #0, rawvideo, from 'output3.yuv':
 Duration: 00:00:01.72, start: 0.000000, bitrate: 79250 kb/s
   Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 512x512, 78643 kb/s, 25 tbr, 25 tbn, 25 tbc
File 'output.avi' already exists. Overwrite ? [y/N] y
[libx264 @ 0x1ca93e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x1ca93e0] profile High 4:4:4 Predictive, level 3.0, 4:2:0 8-bit
Output #0, avi, to 'output.avi':
 Metadata:
   ISFT            : Lavf56.40.101
   Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv420p, 512x512, q=-1--1, 25 fps, 25 tbn, 25 tbc
   Metadata:
     encoder         : Lavc56.60.100 libx264
Stream mapping:
 Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[rawvideo @ 0x1ca7fa0] **Invalid buffer size, packet size 130560 < expected frame_size 393216**
**Error while decoding stream #0:0: Invalid argument**
frame=   43 fps=0.0 q=-1.0 Lsize=    8389kB time=00:00:01.72 bitrate=39954.8kbits/s<br />
video:8382kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.078511%

  Any help will be appreciated.

  Thanks.

• Pyinstaller "Failed to execute script pyi_rth_pkgres" and missing packages

  12 octobre 2023, par gurnben

  This is my first time posting a question here as most of my questions have already been answered by someone else ! I am working on a GUI application in python and am attempting to use pyinstaller to package it into a single folder and .exe for easier portability. Currently, I am using windows 10 and anaconda3 to manage my python packages. The application relies on tkinter, pillow, numpy, scikit-learn, opencv, ffmpeg, and matplotlib. The application is formatted with a main GUI.py file that creates objects of a number of other files (many of which are stored in a subfolder as this GUI is replacing a command line utility that served the same purpose). The issue I am running into (as you can see in the title) is that the .exe is throwing the error block :

  



  


  Traceback (most recent call last) :
 File "site-packages\PyInstaller\loader\rthooks\pyi_rth_pkgres.py", line 11, in 
 File "c :\users\gurnben\anaconda3\envs\opencv\lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 389, in load_module
 exec(bytecode, module.dict)
 File "site-packages\setuptools-20.7.0-py3.5.egg\pkg_resources__init__.py", line 68, in 
 File "site-packages\setuptools-20.7.0-py3.5.egg\pkg_resources\extern__init__.py", line 60, in load_module
 ImportError : The 'packaging' package is required ; normally this is bundled with this package so if you get this warning, consult the packager of your distribution.
 Failed to execute script pyi_rth_pkgres

  


  



  When I look at the warn.txt it gives a massive list of missing packages including parts of some packages that are actually in the single folder package.
  
I have, however, successfully gotten it to recognize the dll files from opencv and it is not listed among the missing (nor is ffmpeg however I did not see any ffmpeg files in the folder). I had to pass in a custom path to get it to include the opencv files as they are not in anaconda at this time.

  



  Any hints or ideas for next troubleshooting steps ? I am overly greatful for all of the help you an offer and I can upload any code, files, etc. that would help you diagnose the issue. In the meantime I will continue searching for a solution myself !