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  1. Hi all

    nm, i found the answer,
    if anyone else wants to fix the audio for 3gp decoding

    i need to encode 3gp files to mp4 and wmv, but i get an error from audio input
    when i run ffmpeg -formats 3gp and 3gp2 only come up with E, does this
    mean i cannot use them for input stream

    it works with audio disabled, can anyone tell me what i need to do (if i
    can do anything) to get audio into the output files?
    the audio input stream seems to just be a hex number rather than a codec

    DEV D h261
    DEVSDT h263
    D VSD h263i
    EV h263p
    D V DT h264

    DE h261 raw h261
    DE h263 raw h263
    DE h264 raw H264 video format

    E 3g2 3gp2 format
    E 3gp 3gp format

    the above is from -formats

    [root at devserver videos]# ffmpeg -i /temp/alienspredator.3gp -b 100 -ar
    22050 -ac 2 -vcodec mpeg4 /final/ap.mp4 -vcodec wmv1 -acodec mp3
    ffmpeg version 0.4.9-pre1, build 4752, Copyright (c) 2000-2004 Fabrice
    configuration: --enable-faad --enable-gpl --enable-faac
    --enable-faadbin --enable-mp3lame --enable-shared
    built on Apr 26 2005 13:57:33, gcc: 3.2.2 20030222 (Red Hat Linux 3.2.2-5)
    Input #0, mov,mp4,m4a,3gp,3g2, from '/temp/alienspredator.3gp':
    Duration: 00:00:37.0, start: 0.000000, bitrate: 71 kb/s
    Stream #0.0: Video: h263, 176x144, 12.00 fps
    Stream #0.1: Audio: 0x726d6173, 8000 Hz, mono
    Output #0, mp4, to '/final/ap.mp4':
    Stream #0.0: Video: mpeg4, 176x144, 12.00 fps, q=2-31, 100 kb/s
    Stream #0.1: Audio: aac, 22050 Hz, stereo, 64 kb/s
    Output #1, asf, to '/final/ap.wmv':
    Stream #1.0: Video: wmv1, 176x144, 12.00 fps, q=2-31, 100 kb/s
    Stream #1.1: Audio: mp3, 22050 Hz, stereo, 64 kb/s
    Stream mapping:
    Stream #0.0 -> #0.0
    Stream #0.1 -> #0.1
    Stream #0.0 -> #1.0
    Stream #0.1 -> #1.1
    Unsupported codec (id=73728) for input stream #0.1

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  2. Member
    Join Date
    Sep 2010
    Search Comp PM
    I am having troubles that looks like this one, except for the sound can be listened on pc but not on dvd-player. I have set the sound to 500% and nothing and making an iso first. What Its happening?
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