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Help with Subler audio conversion

Discussion in 'Apple TV and Home Theater' started by nebulight, Nov 9, 2012.

  1. nebulight, Nov 9, 2012
    Last edited: Nov 9, 2012

    macrumors member

    #1
    A little background... I was using Boxee alpha back in the day and I was ripping all my DVDs to .m4v H264 and AC3 audio because at the time I was using a Mac Mini with Boxee and the mac mini could not pass AAC audio to my over optical to my receiver. I ditched the mac mini when the Boxee Box came out and everything was fine until the Boxee Box started crashing left and right. I did a restore and nothing was resolved and my wife was getting fed up so I caved and bought an Apple TV. We also moved and no longer have surround sound (just the TV) and I found out that the Apple TV doesn't decode the AC3 and just passed it to the TV. However I have an older Samsung LCD that doesn't decode the AC3 audio so now I have to reencode my entired collection. However since it's in m4v I think I can just use Subler as I have to pass it through there anyway to add cover art and descriptions.

    Here is my problem. I took an MKV that I had downloaded instead of ripped when I dragged it down to the Subler icon in the dock, it opened up and asked to convert on the right side:

    [​IMG]

    As you can see on the action I can convert it to AAC then do my normal lookup to add the info and cover art. The nice part about this is I can drag multiple items at a time to batch the conversions and add them to a Queue.

    However when I drag one of my m4v files, it doesn't give me the option, it just adds the tracks:

    [​IMG]

    As you can see, there is no option to convert the audio as it doesn't give you the option. I have a work around which is to go to File/New then add tracks and pick the file. However the problem with doing it this was is it would take forever! I have 279 movies and thousands of tv show episodes that I've manually ripped so to add all the files one by one would take forever. If I could batch it, I'll just let it run while I'm at work and sleeping. However I can't batch it.

    Any pointers?
     
  2. macrumors 68020

    #2
    Set your audio preferences to convert AC3 to AAC.
     
  3. macrumors member

    #3
    That has already been done, all that does is set the default action in the first picture to convert. It just seems to be my m4v files that are giving me the problem because the tracks don't even appear like the first photo.
     
  4. macrumors 603

    #4
    I'm afraid Subler can't be used in batch mode for this kind of conversion. However, (the beta AND non-free version of) MP4Tools can: I've tested it and it works just fine with batch conversion.

    Just create a new preset to be used in batch mode:

    [​IMG]

    And this is how you can 1, make this preset the default and 2, force the system to always select all tracks from every batched video:

    [​IMG]

    Let me know if you need further help with all this.

    ----------

    Yes, it's only with MKV's that the first dialog is displayed, not with the output format of Subler.
     
  5. macrumors member

    #5
    Thanks Menneisyys2. I'll pick up mp4tools and give this a shot. However if there was a way to batch it with subler, it would save me a step because I'll still have to put it through Subler to add the cover art and file info :( I'll have to a test run to see if it makes sense for me to do it twice or just manually do each file with subler.

    Thanks again!
     
  6. nebulight, Nov 10, 2012
    Last edited: Nov 10, 2012

    macrumors member

    #6
    Okay, I bought MP4tools and I'm having a problem. When I encode audio, I set it up so that if it's stereo to encode for AAC (tv shows that are stereo) but if it's surround then pass through the ac3 and add a stereo track for my current setup. As for the video, I just set it up as pass through. Here are my settings:

    [​IMG]

    And here is the settings before I hit convert:

    [​IMG]

    When it finishes, it about half the size of the original file. When I load it into subler this is what I get:

    [​IMG]

    I'm not sure why it didn't keep the ac3 track and add the second 2 channel track. And I have no idea what it has done to the video. Also look at the durations. For reference, here was the original file in Subler:

    [​IMG]

    Any help? Thanks! Also, it's adding a second .m4v to the end. Not a big deal, but do you know why?
     
  7. macrumors 603

    #7
    There seems to be a bug with teh latest b15 version (did you update to it?): the first file converted upon drag-and-dropping a bunch of files to it won't have the added AAC audio track, only all the other files (with the settings I've shown). That is, make sure you duplicate the first file OR pass a dummy file as the first in the filelist you drag from Finder to MP4Tools. The rest will have both (AC3 + AAC) audio tracks, it's only the first that won't.

    Fortunately, at least the latest beta doesn't seem to have the same bug as MKVTools, which doesn't (didn't? Haven't tested the latest version in this regard) add AAC audio tracks to AC3 ones. (See my tutorial "TUTORIAL: adding future-proof AAC audio to AC-3-only video files " here at http://forums.macrumors.com/showthread.php?t=1127455&page=32 - note that both #780 and #781 contain the article)

    To not to overwrite the original (source) file. You can safely remove the original extension from the filename.
     
  8. macrumors member

    #8
    I'm not using MKVTools, I'm using MP4Tools. And I was just running the latest stable version (3.1.4). However it looks like the video track was messed up as well as you can see in my above screen shot. I'll try to download the beta and see if I have any better luck.
     
  9. macrumors 603

    #9
    1. Never use the non-beta version of these apps.

    2. I've mentioned MKVTools because I referred to that app in the linked article as having exactly the same problem.
     
  10. macrumors member

    #10
    Okay, so I've downloaded the beta that you recommended and I'm having a different problem. I did one file to test and it goes through the following steps:

    Video Conversion

    [​IMG]

    Then it says Video Conversion complete and just hangs:

    [​IMG]

    If I look at the file size it looks bigger and complete:

    [​IMG]

    And if I open the file with Subler it looks like all the tracks are there EXCEPT the subtitle track.

    [​IMG]

    I actually took this file and ran it through subler and it added the cover art and info fine, but it still is hung in MP4tools. This is an issue as the reason I wanted to use MP4tools was for the batch abilities. Have you ran into anything like this? Also, do you know where I can find previous beta versions? Maybe I can try a different version.

    Thanks again for all your help!
     
  11. macrumors member

    #11
    I figured out my issue. Handbrake put the chapters in the file and MP4tools thought it was a subtitle track. If I removed the subtitle track everything worked out fine. :D
     
  12. macrumors 68020

    #12
    Be sure to let the developer know what happened as he is looking for feedback on the beta to work out exactly those type of bugs.
     
  13. macrumors member

    #13
    Yep, already emailed him. Thanks!
     

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