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• Fatal error detected by JRE : libavcodec involved

  16 novembre 2015, par hdf

  I’m experiencing this issue whenever I’m trying to run my java program. Could someone give me a clues on how to fix it ?

  EDIT : the issue only occurs after a new environment has been set up.

  #
  
  # A fatal error has been detected by the Java Runtime Environment:
  
  #
  
  # 
  
  #
  
  # JRE version: OpenJDK Runtime Environment (7.0_85-b01) (build 1.7.0_85-b01)
  
  # Java VM: OpenJDK 64-Bit Server VM (24.85-b03 mixed mode linux-amd64 compressed oops)
  
  # Derivative: IcedTea 2.6.1
  
  # Distribution: Ubuntu 14.04 LTS, package 7u85-2.6.1-5ubuntu0.14.04.1
  
  # Problematic frame:
  
  # C  [libavcodec.so.52.123.0+0x442060]
  
  #
  
  # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
  
  #
  
  # If you would like to submit a bug report, please include
  
  # instructions on how to reproduce the bug and visit:
  
  #   http://icedtea.classpath.org/bugzilla
  
  # The crash happened outside the Java Virtual Machine in native code.
  
  # See problematic frame for where to report the bug.
  
  #
  
  
  
  ---------------  T H R E A D  ---------------
  
  
  
  Current thread (0x00007f8f70141800):  JavaThread "threadpool-14" daemon [_thread_in_native, id=14508, stack(0x00007f8fa73a0000,0x00007f8fa74a1000)]
  
  
  
  siginfo:si_signo=SIGSEGV: si_errno=0, si_code=128 (), si_addr=0x0000000000000000
  
  
  
  Registers:
  
  RAX=0x00007f8f701d2110, RBX=0x00007f8fa65030d0, RCX=0x00007f8fa688efd0, RDX=0x00007f8fa68904b0
  
  RSP=0x00007f8fa749f380, RBP=0x00007f8fa749f3d8, RSI=0x000000000000000c, RDI=0x00007f8f701d2110
  
  R8 =0x0000000000000000, R9 =0x0000000000000000, R10=0x00007f8fc5eb56e0, R11=0x00007f8fc591af50
  
  R12=0x0000000000000000, R13=0x00007f8f701419d8, R14=0x00007f8fa749f578, R15=0x00007f8f70141800
  
  RIP=0x00007f8fa688f060, EFLAGS=0x0000000000010202, CSGSFS=0x0000000000000033, ERR=0x0000000000000000
  
  TRAPNO=0x000000000000000d
  
  
  
  Top of Stack: (sp=0x00007f8fa749f380)
  
  0x00007f8fa749f380:   00007f8fa688f1a5 00007f8fa688ffe5
  
  0x00007f8fa749f390:   00007f8fa6890025 00007f8fa6890065
  
  0x00007f8fa749f3a0:   00007f8fa68900a5 00007f8fa68900e5
  
  0x00007f8fa749f3b0:   00007f8fa6890125 00007f8fa68904b5
  
  0x00007f8fa749f3c0:   00007f8fa6890678 00007f8fa7198f31
  
  0x00007f8fa749f3d0:   0000000000000000 00007f8f70158540
  
  0x00007f8fa749f3e0:   00007f8fa749f468 00007f8fa71966ae
  
  0x00007f8fa749f3f0:   0000000776cfa560 0000000776cfa560

  ...

  Instructions: (pc=0x00007f8fa688f060)
  
  0x00007f8fa688f040:   c4 e3 5d 0c c0 55 c5 e4 5c c8 c5 e4 58 c0 c5 fc
  
  0x00007f8fa688f050:   29 07 c5 fc 29 4f 20 c3 0f 1f 84 00 00 00 00 00
  
  0x00007f8fa688f060:   c5 fc 28 57 40 c5 fc 28 5f 60 c5 ec 5c fb c5 ec
  
  0x00007f8fa688f070:   58 d3 c5 c4 57 3d 26 e0 13 00 c5 ec c6 df be c5 
  
  
  
  Register to memory mapping:
  
  
  
  RAX=0x00007f8f701d2110 is an unknown value
  
  RBX=0x00007f8fa65030d0: av_fft_calc+0 in /usr/local/lib/libavcodec.so.52.123.0 at 0x00007f8fa644d000
  
  RCX=0x00007f8fa688efd0: <offset 0x441fd0="0x441fd0"> in /usr/local/lib/libavcodec.so.52.123.0 at 0x00007f8fa644d000
  
  RDX=0x00007f8fa68904b0: <offset 0x4434b0="0x4434b0"> in /usr/local/lib/libavcodec.so.52.123.0 at 0x00007f8fa644d000
  
  RSP=0x00007f8fa749f380 is pointing into the stack for thread: 0x00007f8f70141800
  
  RBP=0x00007f8fa749f3d8 is pointing into the stack for thread: 0x00007f8f70141800
  
  RSI=0x000000000000000c is an unknown value
  
  RDI=0x00007f8f701d2110 is an unknown value
  
  R8 =0x0000000000000000 is an unknown value
  
  R9 =0x0000000000000000 is an unknown value
  
  R10=0x00007f8fc5eb56e0: <offset 0xe006e0="0xe006e0"> in /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/server/libjvm.so at 0x00007f8fc50b5000
  
  R11=0x00007f8fc591af50: <offset 0x865f50="0x865f50"> in /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/server/libjvm.so at 0x00007f8fc50b5000
  
  R12=0x0000000000000000 is an unknown value
  
  R13=0x00007f8f701419d8 is an unknown value
  
  R14=0x00007f8fa749f578 is pointing into the stack for thread: 0x00007f8f70141800
  
  R15=0x00007f8f70141800 is a thread
  
  
  
  
  
  Stack: [0x00007f8fa73a0000,0x00007f8fa74a1000],  sp=0x00007f8fa749f380,  free space=1020k
  
  Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
  
  C  [libavcodec.so.52.123.0+0x442060]
  
  </offset></offset></offset></offset>

  This occurs on different physical instances so chances are pretty low it’s hardware issue. Thanks !

• mmaldec : correct package buffering accounting

  6 novembre 2015, par wm4

  mmaldec : correct package buffering accounting
  The assert in ffmmal_stop_decoder() could trigger sometimes. The
  
  packets_buffered counter was indeed not correctly maintained, and
  
  packets were not subtracted from it if they were still in the waiting
  
  queue.
  For some reason, this happened especially with VC-1.
  

  • [DH] libavcodec/mmaldec.c

• phantomjs screenshots and ffmpeg frame missing

  20 octobre 2015, par Bussiness Way

  I have problem making video from website screenshots taken from phantomjs.

  the phantomjs did not make screenshots for all frames within the same second and even not all seconds there , there is huge missing frames .

  the result is high speed video playing with many jumps in video effects .

  test.js :

  var page = require('webpage').create(),
  
      address = 'http://raphaeljs.com/polar-clock.html',
  
      duration = 5, // duration of the video, in seconds
  
      framerate = 24, // number of frames per second. 24 is a good value.
  
      counter = 0,
  
      width = 1024,
  
      height = 786;
  
          frame = 10001;
  
  
  
  page.viewportSize = { width: width, height: height };
  
  
  
  page.open(address, function(status) {
  
      if (status !== 'success') {
  
          console.log('Unable to load the address!');
  
          phantom.exit(1);
  
      } else {
  
          window.setTimeout(function () {
  
              page.clipRect = { top: 0, left: 0, width: width, height: height };
  
  
  
              window.setInterval(function () {
  
                  counter++;
  
                  page.render('newtest/image'+(frame++)+'.png', { format: 'png' });
  
                  if (counter > duration * framerate) {
  
                      phantom.exit();
  
                  }
  
              }, 1/framerate);
  
          }, 200);
  
      }
  
  });

  this will create 120 image , this is correct count , but when you see the images one by one you will see many duplicate the same contents and many missing frames

  ffmpeg :

  fmpeg -start_number 10001 -i newtest/image%05d.png -c:v libx264 -r 24 -pix_fmt yuv420p out.mp4

  I know this script and ffmpeg command not perfect , because I did hundred of changes without lucky, and I lost the correct setting understanding .

  an anyone guide me to fix this ?.

  thank you all