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• Unable to convert .mp3 to .m4a using ffmpeg [closed]

  4 mai 2013, par rahulg

  I am fully aware the legal constraints in using libfaac but this is just for my testing purpose.

  I have compiled ffmpeg with faac enabled. So when I tried to convert an .mp3 to a .m4a here is the error that I am getting. Please provide a resolution to this problem. I tried it on two different sources of .mp3, still I am getting the same error.

  [user@ip-10-161-13-26 ~]$ ffmpeg  -i Kalimba.mp3 -c:a libfaac Kalimba.m4a
  
  ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
  
    built on May  4 2013 09:33:27 with gcc 4.4.6 20120305 (Red Hat 4.4.6-4)
  
    configuration: --enable-libfaac --enable-nonfree --disable-yasm
  
    libavutil      51. 54.100 / 51. 54.100
  
    libavcodec     54. 23.100 / 54. 23.100
  
    libavformat    54.  6.100 / 54.  6.100
  
    libavdevice    54.  0.100 / 54.  0.100
  
    libavfilter     2. 77.100 /  2. 77.100
  
    libswscale      2.  1.100 /  2.  1.100
  
    libswresample   0. 15.100 /  0. 15.100
  
  [mp3 @ 0x2464680] Header missing
  
  [mp3 @ 0x2463100] max_analyze_duration 5000000 reached at 5015510
  
  [mp3 @ 0x2463100] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, mp3, from 'Kalimba.mp3':
  
    Metadata:
  
      publisher       : Ninja Tune
  
      track           : 1
  
      album           : Ninja Tuna
  
      artist          : Mr. Scruff
  
      album_artist    : Mr. Scruff
  
      title           : Kalimba
  
      genre           : Electronic
  
      composer        : A. Carthy and A. Kingslow
  
      date            : 2008
  
    Duration: 00:05:50.60, start: 0.000000, bitrate: 191 kb/s
  
      Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16, 192 kb/s
  
      Stream #0:1: Video: mjpeg, yuvj420p, 512x512, 90k tbr, 90k tbn, 90k tbc
  
      Metadata:
  
        title           : thumbnail
  
        comment         : Cover (front)
  
  Output #0, ipod, to 'Kalimba.m4a':
  
    Metadata:
  
      publisher       : Ninja Tune
  
      track           : 1
  
      album           : Ninja Tuna
  
      artist          : Mr. Scruff
  
      album_artist    : Mr. Scruff
  
      title           : Kalimba
  
      genre           : Electronic
  
      composer        : A. Carthy and A. Kingslow
  
      date            : 2008
  
      Stream #0:0: Video: none, q=2-31, 128 kb/s, 90k tbn
  
      Metadata:
  
        title           : thumbnail
  
        comment         : Cover (front)
  
      Stream #0:1: Audio: none, 0 channels, 128 kb/s
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (mjpeg -> ?)
  
    Stream #0:0 -> #0:1 (mp3 -> libfaac)
  
  Encoder (codec none) not found for output stream #0:0

  MP3 file is at http://db.tt/HtpEBpFU

  Also while using Faac independently I get this weird error for any file.

  Freeware Advanced Audio Coder
  
  FAAC 1.28
  
  
  
  Couldn't open input file sample.mp3

• iPhone - IMA WAV ADPCM audio stream for iOS

  21 mai 2013, par Siriss

  I am trying to write an app for a school project that will play a video stream of the lab. They use Foscam cameras, and from what I understand they only stream audio in FFMPEG and VLC (a wrapper of FFMPEG and others, correct ?). I can play the video stream in a UIWebView just fine, but I can't figure out how to get audio to work. I have read a bunch of post on here about the different audio stream options, but none support this format. I have also looked into VLCKit, but that seems to only work in OS X, not iOS.

  Is there a Framework, or Kit that can stream IMA WAV ADPCM audio from a VLC/FFMPEG file, or does someone know of a better way to get audio from a Foscam ?

  EDIT - I know more about the stream and I have tried a few things. I tried AVPlayer, but discovered Audio FIle Stream and Audio Queue Services but can't find a good tutorial.

  I also found THIS site, and tried the project with my stream and it did not work.

• python ff-mpeg not working on VM

  2 août 2013, par Bob

  I have two Windows 2008 R2 64 bit servers with two different host providers (GoDaddy and company B). My python script runs successfully on GoDaddy's server. It doesn't run successfully on the server with company B.

  I installed the same software on both servers :

  • Python 2.7 for Windows 32 bit
  • NumPY module
  • SetupTools
  • EchoNest API for Windows

  The company B server is giving me an error related to an executable called en-ffmpeg.exe that uses the python ff-mpeg module. The exact error message is

  [dv @ 0x1449690]Can't determine profile of DV input stream.
  C :\Music\song1.mp3 : Error while opening file

  The song.mp3 file exists. I installed the latest Windows updates on the server with Company B but still I get the error. I believe the error is because something is not configured properly on this server (missing libraries or drivers ?). However, I don't know what that is !

  Please help :)

  UPDATED TO INCLUDE COMMAND AND ERROR OUTPUT FROM FFMPEG

  COMMAND :

  c :\Python27>en-ffmpeg -i "C :\Music\song1.mp3" -y -ac 2 -ar 44100
  "c :\users\x07 dmini 1\x07ppdata\local\temp\x02\tmpax82jf.wav"

  FULL ERROR :

  FFmpeg version SVN-r17988-Komeil, Copyright (c) 2000-2009 Fabrice Bellard, et al
  
  .
  
    configuration: --enable-memalign-hack --extra-cflags=-fno-common --enable-stat
  
  ic --disable-shared --disable-debug --enable-gpl --enable-nonfree --enable-avfil
  
  ter --enable-avfilter-lavf --enable-avisynth --enable-postproc --enable-pthreads
  
   --enable-libamr-nb --enable-libamr-wb --enable-libgsm --enable-libfaac --enable
  
  -libfaad --enable-libmp3lame --enable-libschroedinger --enable-libspeex --enable
  
  -libtheora --enable-libvorbis --enable-libx264 --enable-libxvid
  
    libavutil     50. 0. 0 / 50. 0. 0
  
    libavcodec    52.21. 0 / 52.21. 0
  
    libavformat   52.31. 1 / 52.31. 1
  
    libavdevice   52. 1. 0 / 52. 1. 0
  
    libavfilter    0. 4. 0 /  0. 4. 0
  
    libswscale     0. 7. 1 /  0. 7. 1
  
    libpostproc   51. 2. 0 / 51. 2. 0
  
    built on Mar 15 2009 18:16:31, gcc: 4.3.0 20080305 (alpha-testing) mingw-20080
  
  502
  
  [dv @ 0x1449690]Can't determine profile of DV input stream.
  
  C:\\Music\\song1.mp3: Error while opening file

  I also tried removing the double back slashes from the command but got the same error.