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Thread: Error converting ALAC files: ALAC decoder initialization failure

  1. #1

    Error converting ALAC files: ALAC decoder initialization failure

    Hi,

    I used to use dbpoweramp back in the day, was using Switch for a while, but would like to switch back to dbpoweramp.

    I'm testing converting some of my ALAC files (with .mp4 extension) to AAC for use on my portable devices. However, I am unable to convert any of the files with the following error message:

    "ALAC: ALAC decoder initialization failure. [ALACDEC::Open]"

    The same file can be converted easily by Switch, so the files are definitely not corrupted.

    The sample file can be found here:
    https://drive.google.com/file/d/1n7H...ew?usp=sharing

    Here's a copy of the full debug logs from one of my attempted encoding:

    Code:
    Splitting Command Line:"C:\Program Files\dBpoweramp\CoreConverter.exe" -dbcmd="C:\Users\Joseph\AppData\Local\Temp\dBTD986.tmp"
    ->->  [dBCoreConverter::ReaddBCommandFile]
    <-<-  [dBCoreConverter::ReaddBCommandFile]
    Decodes  [clDecoder_M4A::Get]
    Decodes  [clDecoder_M4A::Get]
    BatchID  [clDecoder_M4A::Set]
    ->->  [cldBCodecHandler::LoadEncoder]
      Loading Encoder 'C:\Program Files\dBpoweramp\encoder\mp3 (Lame).DLL'
    <-<-  [cldBCodecHandler::LoadEncoder]
    BatchID  [clEncoder::Set]
    ->->  [dBCoreConverter::StripCoreConverterCmds]
    <-<-  [dBCoreConverter::StripCoreConverterCmds]
    SendRawUnCompressed  [clEncoder::Get]
    Communicate  [clDecoder_M4A::Get]
    Communicate  [clEncoder::Get]
    NeedHQAudio  [clEncoder::Get]
    Decode As  [clDecoder_M4A::Set]
    ->->  [clDecoder_M4A::Open]
      ->->  [clDecoder_M4A::Close]
      <-<-  [clDecoder_M4A::Close]
      Opening file 'C:\Users\Joseph\Desktop\Working\Export\Album\Boombox Cartel\Máquina\Boombox Cartel - Máquina.mp4Opened
      Opening tag reader / writer: Opened
      ->->  [clMP4Handler::ScanFile]
          Got Chunk 'ftyp'  Length: 20  ChunkPosition: 0
          Got Chunk 'moov'  Length: 323415  ChunkPosition: 20
          Got Chunk 'wide'  Length: 8  ChunkPosition: 323435
          Got Chunk 'mdat'  Length: 28100355  ChunkPosition: 323443
      <-<-  [clMP4Handler::ScanFile]
      ->->  [clMP4Handler::ScanFile]
          Got Chunk 'mvhd'  Length: 108  ChunkPosition: 28
          Got Chunk 'trak'  Length: 9745  ChunkPosition: 136
          Got Chunk 'udta'  Length: 313554  ChunkPosition: 9881
      <-<-  [clMP4Handler::ScanFile]
      ->->  [cliTunesTag::Initialize2]
        Looking for meta block...
        ->->  [cliMemoryAtomParse::Initialize]
        <-<-  [cliMemoryAtomParse::Initialize]
        Found meta, looking for ilst block...
        ->->  [cliMemoryAtomParse::Initialize]
        <-<-  [cliMemoryAtomParse::Initialize]
        Found ilst.
      <-<-  [`anonymous-namespace'::clTagInitState::ReadUdata]
      ->->  [clDecoder_M4A::ReadIDTags]
    			Contains 9 ID Tags
    			Album: Máquina
    			Track: 1/1
    			Title: Máquina
    			Disc: 1/1
    			Copyright: Boombox Cartel / Create Music Group Inc.
    			Album Artist: Boombox Cartel
    			Artist: Boombox Cartel
    			Year: 2020
    			_albumart_1: DATA Length: 311099   ......JFIF.....`.`..
      <-<-  [clDecoder_M4A::ReadIDTags]
      ALAC Track Found
    *** Information: ALAC: ALAC decoder initialization failure.  [ALACDEC::Open]
      ->->  [clDecoder_M4A::Close]
      <-<-  [clDecoder_M4A::Close]
      ->->  [aacstream::clDecoder_M4A::Close]
      <-<-  [aacstream::clDecoder_M4A::Close]

  2. #2
    Administrator
    Join Date
    Apr 2002
    Posts
    43,886

    Re: Error converting ALAC files: ALAC decoder initialization failure

    The file is corrupted, even foobar2000 will not decode. dBpoweramp uses Apples own ALAC decoder, it is apples own code which cannot read the alac file.

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