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Thread: Pause, Freeze, Reload while streaming ISO files

  1. #21
    Join Date
    Sep 2009
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    1) There is currently no way to see which files have been transcoded other than to view the Transcoding tab of the file's properties
    2) The failures should be displayed in the Transcoding pane, try scrolling to the bottom of the list to see if they are listed there
    3) It would be better to select mp4 or matroska as the transcoding format instead of the default format as this will create a single transcoded file. The HLS transcoded clips can be used, you will need to add the m3u8 playlist file to Mezzmo instead of the individual files (choose to show 'all files *.*' when browsing for the file).
    4) Transcoding to mp4 or matroska will create a single file
    5) The m3u8 file can be played to play the whole video
    6) Transcoded files on the fly are saved the same as pre-transcoded files

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  2. #22

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    Hello.

    The failures are listed at the bottom of the transcoding panel. The file has a status of "Failed" underscored in red. When we click on the red underscored "failed", we are placed in Notepad. The message displays, "Unknown error: Please enable full logging to investigate this problem".

    We were able to clear the pre-transcoding list, and change the format for the Roku box to Matroska. We re-populated the pre-transcoding list with Matroska(+h264, +aac). The list appears to be sequenced in random order. We were able to find and select the files we wanted to pre-transcode and sequence by using the up/down arrows on the Transcoding Panel. We were then able to find the pre-transcoded files, and save them in a single MKV file in the same NAS folder as the ISO file.

    The Matroska file streams instantly without transcoding. It has excellent video quality. We placed the Blu-Ray disk in the BD player and switched back and forth between the BD player and Mezzmo streaming the Matroska file. We could pause the playback and streaming at the same point. We were unable to detect any difference in the video quality on our Samsung 1080P 61 inch LED TV, (ditto for the DVD Disk).

    So this appears to be the way to go. The process is rather slow. It takes 2+ hours to transcode a BD file. The FFmpeg.exe uses 98% of the CPU and transcodes at about 20fps. The DVDs are much faster, they transcode at 100+ fps.

    We were unable to locate any files that had been transcoded on the fly. Even though the entire file had been streamed, the Transcoding Tab did not find the transcoded file. Also, we noticed that when a file was transcoding on the fly, the transcoding format was using the hls(+h264, +aac) format for streaming even though the file was queued in the list as a Matroska(h264, +aac).

    We are now moving the ISO files to another NAS folder outside the Mezzmo library and retaining the Matroska file in the library.

    We have been transcoding 24 hrs a day for 7 days. 168 videos out of 600 have completed and the MKV files have been captured and replaced the ISO files on the NAS. The CPU is constantly sitting at 98-100% in use, so far there has been 1 Windows blue screen crash. That happened on the 2nd day.

    With all of this effort going into building the Mezzmo Library, I am taking regular backups. I noticed that the backup file contains the following folders from the Mezzmo Library:
    Artwork
    Temporary_Dlna_Files
    Temporary_Subtitle_Files
    Temporary_Thumbnail_Files
    It does not contain the "TranscodingFiles" folder. This folder appears to contain a large amount of the video details. Is this correct?

  3. #23
    Join Date
    Sep 2009
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    1,947

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    Matroska is not able to be used for on the fly transcoding with the Roku Streaming Player profile, the default format is hls. We have another profile which uses matroska for on the fly transcoding, we can provide this if you send an email to support [at] conceiva [dot] com. Blue screens should not happen, when they do it indicates a problem with your PC such as missing system files or possibly the CPU getting too hot because the fan is not working properly. You may need to check if there is a dust build up on the CPU fan or if there are missing system files.

    Backups do not contain the transcoding files, only the database files. Transcoded files can be very large and it is not practical to have multiple backup copies of them so they are left out of the database backup.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  4. #24

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    Yes, we are very familiar with Windows blue screen crashes. It was probably some system glitch that hasn't happened since.

    What does the Transcoding folder contain? It appears to be most of the stuff we have been creating over the past week+. Do we rely on Windows backup for backups of this data if our System Disk C bites the dust? I think I'll make a copy just for some peace of mind.

    So far we have pre-transcoded 270 of 600 video files. The only issue we have seen is a few files that were in the queued list did not successfully complete the transcoding. The Transcoding tab was empty. There was no failure indicated. When we try and select the file for pre-transcoding, Mezzmo says the file has been added to the list, but it doesn't show up in the queue. We have selected "Pre-transcode all files" and we checked the box, "Pre-transcode files even if they match the devices supported formats". We are skipping these files for now, and when we complete the 1st pass, we will clear the temporary transcoding folder and try them again.

    Yes, we would really appreciate the Matroska transcoding Profile. Look for my email.

  5. #25
    Join Date
    Sep 2009
    Posts
    1,947

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    There may be some error occurring when trying to add some items to the list, can you please enable diagnostic logging http://www.mezzmo.com/wiki/doku.php?id=using_logging&s[]=diagnostic then try pre-transcoding one of the files that does not get added to the list then send the logs to support [at] conceiva [dot] com so we can investigate.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  6. #26

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    Hi Peter.

    Did you receive my email back on Jan 5th to "support@conceiva.com" ? I was requesting the Roku Matroska "on the fly" transcoding profile as you offered. I never received the profile. Let me know if you need me to resend my email.

    We have completed the transcoding of 100% of our 600+ video files. After several restarts of the Mezzmo Media Server, the problem video files that we had trouble getting on the pre-transcoding queue suddenly showed up and transcoded OK.

    I'm still curious about the Library backup/restore functions. You stated that, "Transcoded files can be very large and it is not practical to have multiple backup copies of them so they are left out of the database backup. ". The TranscodingFiles folder is only 5MB in size. The reason I bring this up is that after we installed Mezzmo Pro on the original computer and began configuring the video library, we decided to move the installation to the current computer. We used the backup/restore process to accomplish this. After making a backup from the original computer and placing the backup on our NAS, we installed Mezzmo Pro on our current computer and restored to the backup we had made. We found that the current installation didn't contain any of the library configuration that we had been creating. When we copied the TranscodingFiles folder to the current computer, everything showed up. So it would appear that the TranscodingFiles folder would be an important part of the backup.

    Another issue that sprang up is whenever we save the Matroska file, (.mkv), to the file library NAS, after about 20 saves, we receive an error box, "Cannot Copy the File: Check Folder Permissions or Free Disk Space". We have to Stop Pre-Transcoding and restart the Mezzmo server. This repeats after every 20 or so saves.

    All of the converted files are streaming very well. We have seen a few that stream a little jerky. We are looking to see if this condition was in the ISO file. Would network speed be involved here?

  7. #27
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    Sep 2009
    Posts
    1,947

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    Yes we received the email and sent a response with the link to download the profile. I have resent the email to your Yahoo account.
    The transcodingfiles folder should be many gigabytes in size if you have been transcoding a lot of files, can you please check in Transcoding Settings in Mezzmo to make sure the path you are checking the size of is correct?
    Library configuration is all stored in the .db files, the transcodingfiles folder only contains files that have been transcoded and does not contain any of the library configuration. If you move the installation to another computer then you should copy the transcodingfiles in addition to the library backup so that your pre-transcoded files are present.

    I tried saving a pre-transcoded file here over 20 times and there was no problem. I also checked the code which saves files to make sure there were no handle leaks and it all looks okay. Can you please try saving the transcoded files to the local computer then copying them to the NAS using windows explorer to see if the problem still occurs?

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

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