AVI Viewing in Community 4.2.c

[Fred Warren]

I reinstalled Community 4.2.c, on my Windows 7 system, got the latest media-viewers jar, put it into tomcat/shared/lib, setup ffmpeg, and turned on the debug trace. After doing the module installs, I uploaded an AVI file and tried to do a preview. The media-viewer conversion seemed to recognize it and ffmpeg was called for the conversion which was successful according to the log. However, the preview stalled with "Video conversion in progress, please wait" displayed. This message repeats whenever I try to do a preview. Any thoughts? I have attached the log file.  Will suggested I try the forum and I am hoping someone can help me out. 

Thanks!

Fred

[Will Abson]

Hi Fred, thanks for the log. I can see only one failed transformation in there, I assume this relates to the AVI file that you're having problems with.

If you take the failing command and run it interactively at a command prompt then FFmpeg should give you some more detailed information about what is going wrong. Did you try that?

Cheers,

Will

Fred

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[Fred Warren]

Hi Will,

Great suggestion to try the ffmpeg call directly at the command line.  It looks like the call you are making to ffmpeg has a formatting error in one of the parameters of the call.  I have attached the command line output from the direct ffmpeg call.

Fred

On Wednesday, July 17, 2013 7:55:58 AM UTC-7, Will Abson wrote:

Hi Fred, thanks for the log. I can see only one failed transformation in there, I assume this relates to the AVI file that you're having problems with.

If you take the failing command and run it interactively at a command prompt then FFmpeg should give you some more detailed information about what is going wrong. Did you try that?

Cheers,

Will

On 17 July 2013 15:21, Fred Warren <fwarr...@gmail.com> wrote:

I reinstalled Community 4.2.c, on my Windows 7 system, got the latest media-viewers jar, put it into tomcat/shared/lib, setup ffmpeg, and turned on the debug trace. After doing the module installs, I uploaded an AVI file and tried to do a preview. The media-viewer conversion seemed to recognize it and ffmpeg was called for the conversion which was successful according to the log. However, the preview stalled with "Video conversion in progress, please wait" displayed. This message repeats whenever I try to do a preview. Any thoughts? I have attached the log file.  Will suggested I try the forum and I am hoping someone can help me out. 

Thanks!

Fred

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[Will Abson]

Hi Fred, from your output it looks like one of the flags that was being used (+chroma) is no longer good in recent builds of FFmpeg/x264.

Since it's not really feasible for this project to keep track of which encoder flags are the best to use, given the rate of development on those projects, I have now opted for a more basic set in the base configuration, which I hope will be more stable over time.

If you want to customise the options that are passed to FFmpeg for any given transformation, you can do this by overriding the newly-refactored Spring beans in your own local config, e.g.

   <bean id="org_sharextras_media-viewers_ffmpeg.transform.mp4" parent="org_sharextras_media-viewers_ffmpeg.transform">
      <property name="defaultProperties">
          <map merge="true">
              <entry key="outfile_format" value="mp4" />
              <!-- Add custom FFmpeg options here -->
              <entry key="outfile_opts" value="-ar 44100 -ab 96k -vcodec libx264 -crf 25 -g 250 -r 25" />
          </map>
      </property>
   </bean>

The changes have been committed to GitHub so you can try them out immediately. Please reply to this thread or raise an issue if you still have problems.

Cheers,
Will

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[Fred Warren]

Hi Will,

I am back from travel and starting this work again.  I am not sure if you have configured a new jar file that includes this fix that I could download or if I will need to build the package from code.  I'm not sure I fully understand the build process, but I am willing to give it a try.  I remember your last fix required only a jar download.  Any hope of you giving me a pointer or two?

Thanks,

Fred

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[Fred Warren]

[Fred Warren]

Will,

I think you can take this one off your list.  I downloaded the latest jar file (same name and size) which had your fixes.  The AVI previewer is working fine now.  Thanks for all the help!  Great package!

Fred

[Will Abson]

Hi Fred, thanks for the update, glad it works OK now!

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