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Thread: Què són ffodivx i ffmp3float?

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  1. #1
    Join Date
    Oct 2008
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    Ubuntu 12.04 Precise Pangolin

    Què són ffodivx i ffmp3float?

    Tinc un dvd sony i solament reprodueix vídeos divx amb audio mp3.

    He descarregat el vídeo http://www.homenatgeacatalunyaii.org/ -que aprofito per recomenar a tots els usuaris de programari lliure- i he vist que tenia un format estrany per a mi; el del vídeo és 'ffodivx' i el d'audio és 'ffmp3float'

    Què són ffodivx i ffmp3float? Són codecs lliures? He cercat al google i no ho he sabut trobar.
    He intentat convertir el vídeo a 'divx' amb el mencoder i amb el winff i m'ha donat molts errors , com ara això;

    amb el mencoder:

    Code:
    joan@joan-laptop:~$ mencoder HomenatgeacatalunyaII-catcat832.avi -oac pcm -ovc lavc -lavcopts vcodec=xvid:mbd=2:trell:autoaspect -o histocat2.avi
    dóna aquest error:

    MEncoder svn r34540 (Ubuntu), built with gcc-4.6 (C) 2000-2012 MPlayer Team
    success: format: 0 data: 0x0 - 0x2a270ccc
    libavformat version 53.21.0 (external)
    Mismatching header version 53.19.0
    AVI file format detected.
    [aviheader] Video stream found, -vid 0
    [aviheader] Audio stream found, -aid 1
    VIDEO: [XVID] 640x352 12bpp 25.000 fps 1363.7 kbps (166.5 kbyte/s)
    [V] filefmt:3 fourcc:0x44495658 size:640x352 fps:25.000 ftime:=0.0400
    ================================================== ========================
    Requested audio codec family [mpg123] (afm=mpg123) not available.
    Enable it at compilation.
    Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
    libavcodec version 53.35.0 (external)
    Mismatching header version 53.32.2
    AUDIO: 44100 Hz, 2 ch, floatle, 128.0 kbit/4.54% (ratio: 16000->352800)
    Selected audio codec: [ffmp3float] afm: ffmpeg (FFmpeg MPEG layer-3 audio)
    ================================================== ========================
    Cannot find codec 'xvid' in libavcodec...
    Couldn't open video filter 'lavc'.
    Failed to open the encoder.

    Exiting...
    joan@joan-laptop:~$
    amb el winff quan donava aquesta línia d'ordres:

    Code:
    ffmpeg -y -i "HomenatgeacatalunyaII-catcat832.avi" -r 29.97 -vcodec libxvid -vtag XVID -s 640x480 -aspect 4:3 -maxrate 1800k -b 1500k -qmin 3 -qmax 5 -bufsize 4096 -mbd 2 -bf 2 -flags +4mv -trellis -aic -cmp 2 -subcmp 2 -g 300 -acodec libmp3lame -ar 48000 -ab 128k -ac 2 -sameq -vtag DIVX "o_HomenatgeacatalunyaII-catcat832.avi"
    sortia aquest error:

    [libxvid @ 0x7b5c20] [Eval @ 0x7fff2f6c8e60] Invalid chars 'v' at the end of expression '4mv'
    [libxvid @ 0x7b5c20] Unable to parse option value "4mv"
    [libxvid @ 0x7b5c20] Error setting option flags to value +4mv.
    ffmpeg informa que el fitxer és vídeo mpeg4 i àudio mp3

    [avi @ 0x11b29c0] non-interleaved AVI
    Input #0, avi, from '/media/572d462a-94a7-41b4-924d-80b6183dbf8e/HomenatgeacatalunyaII-catcat832.avi':
    Duration: 01:02:48.04, start: 0.000000, bitrate: 1501 kb/s
    Stream #0.0: Video: mpeg4 (Advanced Simple Profile), yuv420p, 640x352 [PAR 1:1 DAR 20:11], 25 tbr, 25 tbn, 25 tbc
    Stream #0.1: Audio: mp3, 44100 Hz, stereo, s16, 128 kb/s
    [buffer @ 0x11b9060] w:640 h:352 pixfmt:yuv420p
    quan el winff -amb els paràmetres: "converteix a" AVI, "configuracions" 'MS compatible AVI', donava aquesta línia d'ordres:

    Code:
    ffmpeg -y -i "HomenatgeacatalunyaII-catcat832.avi" -f avi -acodec libmp3lame -vcodec msmpeg4 -ab 192 -sameq o_HomenatgeacatalunyaII-catcat832.avi"
    no donava error però va obtenir un fitxer amb el mateix format amb més del doble de volum i no compatible amb el dvd sony.

    A títol informatiu surt el següent text:

    ffmpeg version 0.8.3-4:0.8.3-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers
    built on Jun 12 2012 16:52:09 with gcc 4.6.3
    *** THIS PROGRAM IS DEPRECATED ***
    This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
    El mplayer identify dóna això:

    joan@joan-laptop:~$ mplayer -identify HomenatgeacatalunyaII-catcat832.avi
    MPlayer svn r34540 (Ubuntu), built with gcc-4.6 (C) 2000-2012 MPlayer Team
    mplayer: could not connect to socket
    mplayer: No such file or directory
    Failed to open LIRC support. You will not be able to use your remote control.

    Playing HomenatgeacatalunyaII-catcat832.avi.
    libavformat version 53.21.0 (external)
    Mismatching header version 53.19.0
    AVI file format detected.
    ID_VIDEO_ID=0
    [aviheader] Video stream found, -vid 0
    ID_AUDIO_ID=1
    [aviheader] Audio stream found, -aid 1
    VIDEO: [XVID] 640x352 12bpp 25.000 fps 1363.7 kbps (166.5 kbyte/s)
    Load subtitles in
    ID_FILENAME=HomenatgeacatalunyaII-catcat832.avi
    ID_DEMUXER=avi
    ID_VIDEO_FORMAT=XVID
    ID_VIDEO_BITRATE=1363744
    ID_VIDEO_WIDTH=640
    ID_VIDEO_HEIGHT=352
    ID_VIDEO_FPS=25.000
    ID_VIDEO_ASPECT=0.0000
    ID_AUDIO_FORMAT=85
    ID_AUDIO_BITRATE=128000
    ID_AUDIO_RATE=0
    ID_AUDIO_NCH=0
    ID_START_TIME=0.00
    ID_LENGTH=3768.04
    ID_SEEKABLE=1
    ID_CHAPTERS=0
    Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
    [vdpau] Error when calling vdp_device_create_x11: 1
    [VO_XV] Could not grab port 143.
    ================================================== ========================
    Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
    libavcodec version 53.35.0 (external)
    Mismatching header version 53.32.2
    Unsupported PixelFormat 61
    Unsupported PixelFormat 53
    Unsupported PixelFormat 81
    Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
    ================================================== ========================
    ID_VIDEO_CODEC=ffodivx
    ================================================== ========================
    Requested audio codec family [mpg123] (afm=mpg123) not available.
    Enable it at compilation.
    Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
    AUDIO: 44100 Hz, 2 ch, floatle, 128.0 kbit/4.54% (ratio: 16000->352800)
    ID_AUDIO_BITRATE=128000
    ID_AUDIO_RATE=44100
    ID_AUDIO_NCH=2
    Selected audio codec: [ffmp3float] afm: ffmpeg (FFmpeg MPEG layer-3 audio)
    ================================================== ========================
    AO: [pulse] 44100Hz 2ch floatle (4 bytes per sample)
    ID_AUDIO_CODEC=ffmp3float
    Edito:

    Se m'ha acudit provar el vídeo original tal qual l'he descarregat i en el dvd sony funciona!
    Last edited by jinglada; July 18th, 2013 at 04:41 PM. Reason: l'original funciona.

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