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• FFmpeg : java.lang.UnsatisfiedLinkError while calling Runnable class

  12 mars 2013, par Yuliya Tarasenko

  I need to take a picture file and an audio file and create a video.
  I know that it's possible to do with the help of

  Runtime.getRuntime().exec("ffmpeg -i image.jpeg -i audio.mp3 out.avi") 

  but only for rooted devices, so I've tried to create JNI wrapper for main() from ffmpeg.c and call it from my Activity like here : http://demo860.blogspot.com/2010/07/android-ffmpeg-dynamic-module-jni.html

  1.This code is in ffmpeg.c :

  int m_argc = 0;
  
  char *m_pargv [30];
  
  
  
  int dynamic_ffpmeg_main (int argc, char **argv);
  
  jint JNICALL Java_com_ccmedia_codec_ffmpeg_mod_1run ( JNIEnv *, jclass, jstring,     jstring );
  
  
  
  jint JNICALL Java_com_ccmedia_codec_ffmpeg_mod_1run ( JNIEnv *env, jclass class, jstring pj1, jstring pj2)
  
  {
  
      // as in http://demo860.blogspot.com/2010/07/android-ffmpeg-dynamic-module-jni.html
  
  }
  
  
  
  int dynamic_ffpmeg_main(int argc, char **argv)
  
  {
  
  // as in http://demo860.blogspot.com/2010/07/android-ffmpeg-dynamic-module-jni.html
  
  }
  
  
  
  int main(int argc, char **argv)
  
  {
  
      dynamic_ffpmeg_main ( argc, argv );
  
      return 0;
  
  }

  2.This code is in my .java :

  public class FFmpegCreator implements Runnable {
  
  
  
      static boolean m_bret = false;
  
  static String m_szconfig = " -i /sdcard/file.mpg -vcodec mpeg4 aaa.mpg";
  
  
  
  //public native String unimplementedStringFromJNI();
  
  
  
  static {
  
      try {
  
  
  
          System.out.println("[AdDBCache] Module load try ffmpeg : "
  
                  + System.getProperty("java.library.path"));
  
  
  
          // System.load("/sdcard/arm_and/bin/libffmpeg.so");
  
  
  
          System.loadLibrary("ffmpeg");
  
  
  
          System.out.println("[AdDBCache] Module load success");
  
  
  
      }
  
  
  
      catch (Exception e) {
  
  
  
          System.out.println("[AdDBCache] Module load err : "
  
                  + System.getProperty("java.library.path"));
  
  
  
      }
  
  
  
  }
  
  
  
  private static synchronized final native int Java_com_ccmedia_codec_ffmpeg_mod_1run(String name, String sztoken);
  
  
  
  public void set_config(String sz_config) {
  
  
  
      m_szconfig = sz_config;
  
  
  
  }
  
  
  
  public void run_core(String sz_file, String sz_token) {
  
  
  
      int n_stat;
  
      m_bret = false;
  
      n_stat = Java_com_ccmedia_codec_ffmpeg_mod_1run(m_szconfig, sz_token);
  
      m_bret = true;
  
  
  
  }
  
  
  
  public void run() {
  
  
  
      run_core("", "");
  
  
  
  }
  
  }

  3.And this in my Activity :

  FFmpegCreator f = new FFmpegCreator ();
  
  new Thread(f).start();

  But I have

  E/AndroidRuntime(25682): java.lang.UnsatisfiedLinkError: Java_com_ccmedia_codec_ffmpeg_mod_1run .

  And I can't understand why... FFmpeg build was successful...
  Could anyone help me, please ? I'll really appreciate if you could help me. Thank you.

• FFMpeg-sharp exception on avformat-52.dll

  25 mars 2013, par BrunoLM

  I simply downloaded the source and compiled, so far so good.

  Then I tried to run the example (VideoPlayer) and I got an exception at

  MediaFile file = new MediaFile(m_txtPath.Text);

  Message :

  {"Unable to load DLL 'avformat-52.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)"}

  I tried to download the DLL from http://loaddll.com/avformat-52-dll and placed it at \Windows\System32\ and \Windows\SysWOW64\. Also on all Bin folders I could find in my solution, the exception is the same...

  Why is that, how do I fix it ?

• Piwik 1.12, New Features, API Improvements, Stability — The Last Piwik 1.X Release

  30 mai 2013, par Piwik team — Development

  We are very excited to announce the immediate availability of Piwik v1.12 !

  • Download Link
  • How to update Piwik ?
  • List of all tickets closed : Changelog

  Piwik v1.12 is a major new release with four big new features, seven smaller new features, several API improvements and all together 82 tickets fixed. This is also the last major 1.X release, which means after this release we will be working on releasing Piwik 2.0. This also means that you should upgrade to PHP 5.3 or higher if you haven’t already, since Piwik 2.0 will only support PHP 5.3 and above.

  Finally, this release contains two breaking changes to the API. If you use the Piwik API click here or scroll down to see if you’re affected.

  Table of Contents :

  1. New Big Feature – Beta Release Channel
  2. New Big Feature – Segment Editor
  3. New Big Feature – Page Speed Reports
  4. New Big Feature – Device Detection Reports
  5. Other Improvements
  6. API Changes and Improvements
  7. What we’re working on
  8. Participate in Piwik
  9. Summary

  New Big Feature – Beta Release Channel

  

  For those of you who want to help test Piwik 2.0-beta releases as soon as they come up, we’ve made it easier to use our beta releases. Navigate to the Settings > General Settings page and click the The latest beta release radio button. You will then be able to upgrade to beta releases.

  This isn’t truly a major feature, but we think it’s just as important because it will allow us to create more beta releases and thus catch more bugs before we make a final release. This means more releases and more stability for you.

  New Big Feature – Segment Editor

  

  The Segment Editor is a long-awaited new feature that allows you to view, save and edit your segments.

  Piwik has supported segmentation (filtering visits and reports by arbitrary criteria, like browser family) for quite some time now, but it has never been possible to visually create and modify them. Nor could they be saved for later recall.

  Thanks to the eighty individuals and company who funded this feature, it is now possible to :

  • visually segment your visitors, instead of creating URLs.
  • save segments and easily switch between them, instead of remembering URLs.
  • get suggestions for segments that might be helpful to view.
  • learn more in the Segmentating Analytics reports user documentation..

  New Big Feature – Page Speed Reports

  You can now see how long it took your webserver to generate and send pages over HTTP through the new Avg. Generation Time metric.

  This metric can be viewed on both the Pages and Page Titles reports :

  

  And the average page generation time for all the pages in your website/webapp is displayed on the visitors overview :

  

  You can use this new information to benchmark your webapp and web server.

  New Big Feature – Device Detection Reports

  Piwik 1.12 also includes a new plugin that provides reports on the device types (tablet, desktop, smartphone, etc.), device brands (Apple, Google, Samsung, etc.) and device models (iPad, Nexus 7, etc.) your visitors use to access your website :

  

  The new plugin also enhances Operating system detections (detecting sub versions of Linux, Windows, and more).

  Note : This plugin is not enabled by default, but will be in Piwik 2.0. If you want to view these reports now, you can activate the plugin in the Installed Plugins admin page. Navigate to Visitors > Devices to see the new reports. You may also use the new (beta) ‘Device type’.

  The new plugin was developed with the support of Clearcode.cc our technology partner

  

  Other improvements

  Majestic SEO Metrics

  

  We’ve added two new SEO metrics to the SEO widget, both of which are calculated by MajesticSEO.com. These metrics will tell you the number of external backlinks (the number of links to your site from other sites) and the number of referrer domains (the number of domains that link to your site).

  We thank the team at Majestic for their support and hard work in bringing you these metrics to your Piwik dashboards !

  Real-time Visitor Count Dashboard Widget

  

  There is now a simple new widget you can use to see the number of visitors, visits and actions that occurred in the last couple minutes. We call it the Real Time Visitor Counter !

  New segment parameter : siteSearchKeyword.

  There is now a new segment parameter you can use to segment your visits : siteSearchKeyword. This parameter will let you select visits that had site searches with a specific keyword.

  Ignore URL letter case when importing log files.

  We’ve added a new option to the log import script, –force-lowercase-path. When used, the importer will change URL paths to lowercase before tracking them. This way http://domain.com/MY/BLOG will be treated the same as http://domain.com/my/blog.

  Updated ISP Names

  

  We’ve also modified the Providers report so prettier and more up-to-date names of ISPs are displayed.

  Customize the background/text/axis color of graphs.

  

  It is now possible to change the background color, text color and/or axis color of the graph images generated by the ImageGraph plugin. To access this functionality, use the following URL query parameters when generating an image :

  • backgroundColor
  • textColor
  • axisColor

  For example :

  http://demo.piwik.org/index.php?module=API&method=ImageGraph.get&idSite=7&apiModule=UserSettings&apiAction=getBrowser&token_auth=anonymous&period=day&date=2013-03-21,2013-04-19&language=en&width=779&height=150&fontSize=9&showMetricTitle=0&aliasedGraph=1&legendAppendMetric=0&backgroundColor=efefef&gridColor=dcdcdc&colors=cb2026

  Send your users to a custom URL after they logout.

  If you manage a Piwik installation with many users and you want to send them to a custom page or website after they log out of Piwik, you can now specify the URL to redirect users after they log out.

  API Changes and Improvements

  BREAKING CHANGE – renamed segment parameters.

  The following segment parameters have been renamed :

  • continent renamed to : continentCode
  • browserName renamed to : browserCode
  • operatingSystem renamed to : operatingSystemCode
  • lat renamed to : latitude
  • long renamed to : longitude
  • region renamed to : regionCode
  • country renamed to : countryCode
  • continent renamed to : continentCode

  If you use one of the old segment parameter names, Piwik will throw an exception, so you should notice when you’re using an old name.

  BREAKING CHANGE – changes to the input & output of the Live.getLastVisitsDetails method.

  The following changes were made to the Live.getLastVisitsDetails API method :

  • The method no longer uses the maxIdVisit query parameter. It has been replaced by the filter_offset parameter.
  • Site search keywords are now displayed in a <siteSearchKeyword> element. They were formerly in <pageTitle> elements.
  • Custom variables with page scope now have ‘Page’ in their element names when displayed. For example, <customVariablePageName1>, <customVariablePageName2>, etc.

  Filter results of MultiSites.getAll by website name.

  It is now possible to filter the results of MultiSites.getAll by website name. To do this, set the pattern query parameter to the desired regex pattern.

  Get suggested values to use for a segment parameter.

  The new API method API.getSuggestedValuesForSegment can now be used to get suggested values for a segment parameter. This method will return a list of the most seen values (in the last 60 days) for a certain segment parameter. So for browserCode, this would return the codes for the browsers most visitors used in the last 60 days.

  Use extra tracking query parameters with the JS tracker (such as ‘lat’ & ‘long’).

  We’ve added a new method to the JavaScript tracker named appendToTrackingUrl. You can use this method to add extra query parameters to a tracking request, like so :

  _paq.push(['appendToTrackingUrl', 'lat=X&long=Y']);

  What we’re working on

  As we said above, Piwik v1.12 is the last in the 1.X series of releases. This means we are now officially working on Piwik 2.0.

  Piwik 2.0 will be a big release, to be sure, but it’s going to bring you more than just a couple new features and a bag of bug fixes. For Piwik 2.0 we will be revisiting the user needs and the ideals that originally prompted us to create Piwik in order to build our vision of the future of web analytics.

  Piwik 2.0 won’t just be a bigger, better web app, but a new platform for observing and analyzing the things that matter to you.

  Participate in Piwik

  Are you a talented developer or an experienced User Interface designer ? Or maybe you like to write documentation or are a marketing guru ?

  If you have some free time and if you want to contribute to one of the most awesome open source projects around, please get in touch with the Piwik team, or read this page to learn more…

  Summary

  For the full list of changes in Piwik 1.12 check out the Changelog.

  Thank you to the core developers, all the beta testers and users, our official supporters, the translators & everyone who reported bugs or feature requests. Also thank you to softwares we use, and the libraries we use.

  If you are a company and would like to help an important project like Piwik grow, please get in touch, it means a lot to us. You can also participate in the project —

  –> if you like what you read, please tell your friends and colleagues or write on your website, blog, forums, stackoverflow, etc. <–
  

  Peace. Enjoy !