Re: how to convert a ma4 file to other format??

[Antonio M <antonio.montagnani@xxxxxxxxx>]

Now I can convert using Vlc, Soundconverter and ffmpeg.

I have not clear how to convert many files at same time by ffmpeg or Vlc...

Antonio Montagnani

Linux Fedora 27(Workstation)
da/from Gmail

2018-01-27 1:10 GMT+01:00 Ed Greshko <ed.greshko@xxxxxxxxxxx>:

On 01/27/18 04:30, Antonio M wrote:
> thiese are the installed plugins for gstreamer
>
>
>
> gstreamer-plugins-base.x86_64                 0.10.36-18.fc27 @fedora          
> gstreamer-plugins-good.x86_64                 0.10.31-20.fc27 @fedora          
> gstreamer-plugins-ugly.x86_64                 0.10.19-23.fc27 @rpmfusion-free  
> gstreamer1-plugins-bad-free.i686              1.12.4-1.fc27   @updates         
> gstreamer1-plugins-bad-free.x86_64            1.12.4-1.fc27   @updates         
> gstreamer1-plugins-bad-free-gtk.x86_64        1.12.4-1.fc27   @updates         
> gstreamer1-plugins-base.i686                  1.12.4-1.fc27   @updates         
> gstreamer1-plugins-base.x86_64                1.12.4-1.fc27   @updates         
> gstreamer1-plugins-good.x86_64                1.12.4-1.fc27   @updates         
> gstreamer1-plugins-ugly.x86_64                1.12.4-1.fc27   @rpmfusion-free-updates
> gstreamer1-plugins-ugly-free.x86_64           1.12.4-1.fc27   @updates
>
> Of course Vlc works (even I cant' convert all files together). Tnx for the help to
> all of you
>

ffmpeg uses libmp3lame to convert from ma4 to mp3.  So, install lame-libs.  And you'd
get something like...

[egreshko@meimei ~]$ ffmpeg -i sound.m4a sound.mp3
ffmpeg version 3.3.6 Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 7 (GCC)
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg
--docdir=/usr/share/doc/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64
--mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall
-Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong
--param=ssp-buffer-size=4 -grecord-gcc-switches
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic'
--extra-ldflags='-Wl,-z,relro -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '
--extra-cflags='-I/usr/include/nvenc ' --enable-libopencore-amrnb
--enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-version3 --enable-bzlib
--disable-crystalhd --enable-fontconfig --enable-frei0r --enable-gcrypt
--enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libcdio
--enable-indev=jack --enable-libfreetype --enable-libfribidi --enable-libgsm
--enable-libmp3lame --enable-nvenc --enable-openal --enable-opencl --enable-opengl
--enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger
--enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvorbis
--enable-libv4l2 --enable-libvidstab --enable-libvpx --enable-libx264
--enable-libx265 --enable-libxvid --enable-avfilter --enable-avresample
--enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl
--disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-libmfx
--enable-runtime-cpudetect
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavdevice    57.  6.100 / 57.  6.100
  libavfilter     6. 82.100 /  6. 82.100
  libavresample   3.  5.  0 /  3.  5.  0
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
  libpostproc    54.  5.100 / 54.  5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sound.m4a':
  Metadata:
    major_brand     : 3gp4
    minor_version   : 0
    compatible_brands: isom3gp4
    creation_time   : 2018-01-23T02:24:12.000000Z
    com.android.version: 7.0
  Duration: 00:00:11.33, start: 0.000000, bitrate: 152 kb/s
    Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 128
kb/s (default)
    Metadata:
      creation_time   : 2018-01-23T02:24:12.000000Z
      handler_name    : SoundHandle
Stream mapping:
  Stream #0:0 -> #0:0 (aac (native) -> mp3 (libmp3lame))
Press [q] to stop, [?] for help
Output #0, mp3, to 'sound.mp3':
  Metadata:
    major_brand     : 3gp4
    minor_version   : 0
    compatible_brands: isom3gp4
    com.android.version: 7.0
    TSSE            : Lavf57.71.100
    Stream #0:0(eng): Audio: mp3 (libmp3lame), 44100 Hz, mono, fltp (default)
    Metadata:
      creation_time   : 2018-01-23T02:24:12.000000Z
      handler_name    : SoundHandle
      encoder         : Lavc57.89.100 libmp3lame
size=      89kB time=00:00:11.33 bitrate=  64.4kbits/s speed=  59x   
video:0kB audio:89kB subtitle:0kB other streams:0kB global headers:0kB muxing
overhead: 0.390513%

[egreshko@meimei ~]$ file sound.m*
sound.m4a: ISO Media, MPEG v4 system, 3GPP
sound.mp3: Audio file with ID3 version 2.4.0, contains:MPEG ADTS, layer III, v1,  56
kbps, 44.1 kHz, Monaural


--
A motto of mine is: When in doubt, try it out

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