Re: enregistrement d'un flux audio puis extraction d'une partie de ce flux avec mplayer
Sylvain Sauvage a écrit :
> Thierry B, mercredi 3 octobre 2007, 10:08:57 CEST
>> […]
>> $ mencoder streamOld.mp3 -oac copy -ss 06:33:14 -endpos
>> 00:03:11 -o Lunettes.mp3
>> MEncoder dev-SVN-rUNKNOWN-4.2.1 (C) 2000-2007 MPlayer Team
>> CPU: Genuine Intel(R) CPU T2300 @ 1.66GHz (Family:
>> 6, Model: 14, Stepping: 8)
>> CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1
>> SSE2: 1 Compiled with runtime CPU detection.
>>
>> WARNING: OUTPUT FILE FORMAT IS _AVI_. See -of help.
>> success: format: 0 data: 0x0 - 0x25502000
>> Audio file file format detected.
>> Video stream is mandatory!
>>
>> Il ne veut que de la vidéo on dirait:-(
>
> Oui. C’est « connu ».
> Prends directement ffmpeg (/!\ syntaxe légèrement différente) :
>
> ffmpeg -i streamOld.mp3 -ss 06:33:14 -t 00:03:11 Lunettes.mp3
>
Re,
$ ffmpeg -i streamOld.mp3 -ss 06:33:14 -t 00:03:11 -acodec copy Lunettes.mp3
FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2007 Fabrice Bellard, et al.
configuration: --prefix=/usr --libdir=${prefix}/lib
--shlibdir=${prefix}/lib --incdir=${prefix}/include/ffmpeg
--enable-shared --enable-libmp3lame --enable-gpl --enable-libfaad
--mandir=${prefix}/share/man --enable-libvorbis --enable-pthreads
--enable-libfaac --enable-libxvid --enable-pp --enable-libamr-nb
--enable-libamr-wb --enable-x11grab --enable-libogg --enable-libgsm
--enable-libx264 --enable-liba52 --enable-libtheora --extra-cflags=-Wall
-g -fPIC -DPIC --cc=ccache cc --enable-swscaler
libavutil version: 49.5.0
libavcodec version: 51.44.0
libavformat version: 51.13.3
built on Sep 17 2007 15:29:56, gcc: 4.2.1 (Debian 4.2.1-5)
mdb:53, lastbuf:0 skipping granule 0
Input #0, mp3, from 'streamOld.mp3':
Duration: 10:52:05.5, bitrate: 128 kb/s
Stream #0.0: Audio: mp3, 44100 Hz, stereo, 128 kb/s
Output #0, mp3, to 'Lunettes.mp3':
Stream #0.0: Audio: libmp3lame, 44100 Hz, stereo, 128 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop encoding
size= 0kB time=23594.0 bitrate= 0.0kbits/s /s
video:0kB audio:0kB global headers:0kB muxing overhead 7.655502%
Ca me donne un audio foireux de quelques octets :-(
Merci :-)
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