Ac3 audio in MKV/AVI

Discussion in 'Telechips TCC8902 Tablets' started by CrzyHorse, Jan 17, 2011.

  1. CrzyHorse

    CrzyHorse Member

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    Does it is supported? I have smartbook surfer with iMito 1.2 firmware and it cannot play ac3 audio. Is it a firmware problem?
    Do you have any suggestions?
     
  2. xaueious

    xaueious Administrator Staff Member

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    Encode the stream into something else...
     
  3. CrzyHorse

    CrzyHorse Member

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    Thank you for reply, but I don't think this is a solution. I find on smartbook site this pdf http://smartbookservice.de/SmartbookSurferCodecs.pdf
    AC3 should be supported, so it may be a problem with iMito firmware I put on it...Do someone have similar device with working ac3?
     
  4. Loonix

    Loonix Member

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    Audio tracks in AC3 (identifyed by VLC as 'a52 Audio (aka AC3)'
    play perfectly fine on my M701-HDMI 2GB @#181
    the AC3 is embedded in a MKV.
    The Video is encoded in 720p H264 MP4 AVC.
    (no alternate audio streams or subtitles are embedded)

    My m701 was not able to play Audio in a 1080p MKV with 'DTS' audio.
     
  5. xaueious

    xaueious Administrator Staff Member

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    If you have a sample file, I can try it on my X5A
     
  6. CrzyHorse

    CrzyHorse Member

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    Thank you, this confirm that the tablet can read and that probably it is a firmware problem.

    How do I pass the file? I founded a 10MB file on 4shared with ac3, rip of Clash.of.the.Titans. As I think it is copyrighted, I cannot post link. I can't find how to send private messages..any suggestions?
     
  7. CrzyHorse

    CrzyHorse Member

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    I've tested original smartbook surfer and dawa firmware. Both can read ac3 in mkv/avi.
    I've tried to push all files in smartbook surfer system/lib dir on the tablet with imito firmware (that is the best, in my opinion) and it can read ac3.
    As I don't want to replace all files, as tablet may be less stable, I'd like to replace only minimum set of files to enable ac3 decoding. I put these files there were not present on iMito but ac3 is still missing:
    libdvbt.so
    libdvbt_jni.so
    libisdbt.so
    libisdbt_jni.so
    libOMX.TCC.ac3dec.so
    libOMX.TCC.alsasink.so
    libOMX.TCC.bsacdec.so
    libOMX.TCC.clocksrc.so
    libOMX.TCC.DVBDemux.so
    libOMX.TCC.DVBTTunner.so
    libOMX.TCC.DxB.audio.so
    libOMX.TCC.DxB.AudioDec.so
    libOMX.TCC.DxB.VideoDec.so
    libOMX.TCC.DxB.VPUDec.so
    libOMX.TCC.fbdevsink.so
    libOMX.TCC.image_fbdevsink.so
    libOMX.TCC.ISDBTDemux.so
    libOMX.TCC.ISDBTTunner.so
    libOMX.TCC.PADParser.so
    libOMX.TCC.tdmbdemux.so
    libOMX.TCC.tdmbrec.so
    libOMX.TCC.tdmbtuner.so
    libtdmb.so
    libtdmb_jni.so
    Any suggestion on which file I should put?
     
  8. DaveS

    DaveS Member

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    Tablet / Device:
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    To make AC3 work in movies you need to push 2 files from DAWA or Smartbook surfer firmware to system/lib/ directory:
    libOMX.TCC.ac3dec.so
    libTCC_CDK_CONFIG.so
    View attachment $AC3_IMITO.zip - script and 2 files (without adb)

    View attachment $AC3_MALI_USB_FIX_IMITO.zip - automatic script including adb to patch iMito v1.2 - AC3 in video, fixed mali video driver, fixed build.prop, added libusb.so (if you whant to use it with different ROM - edit your build.prop)

    This patch files are only for Telechips 8902 Android 2.1 system.
    Don't forget to make backup!

    AC3 sound in movies on Android 2.3.3 ROMS here.
     
    Last edited: Dec 3, 2011

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