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Support Help with video file

Discussion in 'Android Devices' started by KDroidX, May 29, 2011.

  1. KDroidX

    KDroidX Member
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    I was wondering what the difference between MPEG-4 and mp4 was. I kept seeing that it was the same thing on websites when i was looking for the answer, yet mp4 videos wont play on my xoom which supports MPEG-4. Any help of what i should do with my mp4 videos?

    When I try and play my mp4 file it just skims through it real fast and wont play it normally, but the file plays normal on my computer. I converted the video and made it smaller, it stopped skipping but the audio was completely messed up and just made noises.


    I just got off the phone with moto support because im that bored on this sunday. They told me that mp4 was not a supported format for the xoom, and that MPEG4 is supported. Now im confused..
     

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  2. mrcaptain

    mrcaptain Well-Known Member
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    Download vital player, i've not had any problems playing different file extensions using it.
     
  3. KDroidX

    KDroidX Member
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  4. KDroidX

    KDroidX Member
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  5. Usta

    Usta Android Expert
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    MPEG4 is an audio/video compression standard, that has many "Parts" further specifying the characteristics of the compressed media files
    MP4 is a media container format, and it is part of the MPEG4 standard.

    So, in order for a media file to be play "natively" in your Android phone, it should comply MPEG4 standard (certain Parts) and be in MP4 container (have mp4 file extension).
    That being said, you can also play non-compliant media files using universal players, like Vital Player mentioned above.
     
  6. KDroidX

    KDroidX Member
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    I dont understand why the file wont play then, it plays fine on quicktime. Other mp4 files play perfectly fine
     
  7. Usta

    Usta Android Expert
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    Not all mp4 files are equal...
    If you want to know the reason, get MediaInfo, then open that file, select Text format and you should see analysis of the video. Copy it here and we can look at the cause of the issue.

    By the way, have you tried to play it with VitalPlayer?
     
  8. KDroidX

    KDroidX Member
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    Yes on vital player the sound wont work and it lags alot, but i'll do the text thing thanks

    General
    Complete name : /Users/kanestapler/Movies/The Social Network.mp4
    Format : MPEG-4
    Format profile : Base Media
    Codec ID : isom
    File size : 2.25 GiB
    Duration : 2h 0mn
    Overall bit rate : 2 671 Kbps
    Encoded date : UTC 2010-12-15 05:59:28
    Tagged date : UTC 2010-12-15 05:59:28

    Video
    ID : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L4.1
    Format settings, CABAC : Yes
    Format settings, ReFrames : 4 frames
    Format settings, GOP : M=4, N=43
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 2h 0mn
    Bit rate mode : Variable
    Bit rate : 2 270 Kbps
    Maximum bit rate : 17.3 Mbps
    Width : 1 280 pixels
    Height : 528 pixels
    Display aspect ratio : 2.40:1
    Frame rate mode : Constant
    Frame rate : 23.976 fps
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.140
    Stream size : 1.91 GiB (85%)
    Writing library : x264 core 104 r1677 19df41a
    Encoding settings : cabac=1 / ref=4 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=3 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=3 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=2270 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:1.00
    Encoded date : UTC 2010-12-14 17:32:27
    Tagged date : UTC 2010-12-15 06:07:07

    Audio
    ID : 2
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format profile : LC
    Codec ID : 40
    Duration : 2h 0mn
    Bit rate mode : Variable
    Bit rate : 401 Kbps
    Maximum bit rate : 411 Kbps
    Channel(s) : 6 channels
    Channel positions : Front: L C R, Side: L R, LFE
    Sampling rate : 48.0 KHz
    Compression mode : Lossy
    Stream size : 345 MiB (15%)
    Encoded date : UTC 2010-12-15 06:05:19
    Tagged date : UTC 2010-12-15 06:07:07
     
  9. mrcaptain

    mrcaptain Well-Known Member
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    Did you try playing it using the software codecs, rather than hardware?
     
  10. KDroidX

    KDroidX Member
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    When i played it using hardware it did the same skipping thing. Then i played it using software and it plays normal/laggy and the sound was all messed up.
     
  11. mrcaptain

    mrcaptain Well-Known Member
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    That's strange, i've tried most file extensions and they have played with no problem.
    What programme did you use to rip the movie?
     
  12. KDroidX

    KDroidX Member
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    I'm not sure which program was used honestly
     
  13. Usta

    Usta Android Expert
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    This is the issue:
    Format profile : High@L4.1
    Basically, the video is very complex encoded, which your phone is unable to decode with its weak hardware. Also, the audio uses very high bitrate (401 Kbps).

    Bottom line: your solution is to convert this file. Try using Handbrake with "Universal" preset. Pay attention to audio tab as well. Only after conversion you can play this nicely on your phone.
     
  14. mrcaptain

    mrcaptain Well-Known Member
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    Try deleting it from the tab, then putting it back on.
     
  15. tanabe

    tanabe Well-Known Member
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    I got a prob with mp4 as well, my problem is I cant download mp4 formats from the browser, but I can if I use Tubemate.. So my phone supports mp4, but why do I get 'format not supported' when im downloading via my defaul browser? Phone is xperia X8..
     

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