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#1
Member
Registered: Sep 2008
Posts: 90
Rep:
ffmpeg - flv Unsupported audio codec
Hello all,
#2
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
This is my version of ffmpeg. It seems old, how can I update it with the latest. I have already updated yum?
#3
LQ Guru
Registered: Mar 2006
Location: Sydney, Australia
Distribution: Fedora, CentOS, OpenSuse, Slack, Gentoo, Debian, Arch, PCBSD
Posts: 6,678
Rep:
what does
#4
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2007 Fabrice Bellard, et al.
configuration: --prefix=/usr --libdir=/usr/lib --mandir=/usr/share/man --incdir=/usr/include/ffmpeg --enable-libmp3lame --enable-libogg --enable-libvorbis --enable-libogg --enable-libtheora --enable-libfaad --enable-libfaac --enable-libgsm --enable-xvid --enable-x264 --enable-liba52 --enable-liba52bin --enable-pp --enable-shared --enable-pthreads --enable-gpl --disable-strip
libavutil version: 49.4.0
libavcodec version: 51.40.4
libavformat version: 51.12.1
built on May 30 2007 15:17:57, gcc: 4.1.2 20070502 (Red Hat 4.1.2-12)
DE flv flv format
DEVSD flv
Ok I must be using it wrong then, I use it like this:
Code:
ffmpeg -i vtester.flv -y -f mjpeg -ss 10.00 -vframes l -an test.jpg
#5
LQ Guru
Registered: Mar 2006
Location: Sydney, Australia
Distribution: Fedora, CentOS, OpenSuse, Slack, Gentoo, Debian, Arch, PCBSD
Posts: 6,678
Rep:
And what happens then?
#6
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
I get a segmentation fault:
#7
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
I think I need the latest ffmpeg because this codec is called "N....." (forgot the name!). They (ffmpeg) have only recently provided support for it.
#8
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
That's it, it called Nellymoser audio codec.
#9
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
Damn it - I installed lastest version and I get the following:
Code:
[root]# /usr/bin/ffmpeg/ffmpeg -i video1218815392.flv -y -f mjpeg -ss 10.00 -vframes l -an test.jpg
FFmpeg version SVN-r15630, Copyright (c) 2000-2008 Fabrice Bellard, et al.
configuration:
libavutil 49.12. 0 / 49.12. 0
libavcodec 52. 0. 0 / 52. 0. 0
libavformat 52.22. 1 / 52.22. 1
libavdevice 52. 1. 0 / 52. 1. 0
built on Oct 17 2008 14:11:43, gcc: 4.1.2 20070925 (Red Hat 4.1.2-27)
[flv @ 0x87c91f0]Could not find codec parameters (Audio: 0x0000, s16)
Input #0, flv, from 'video1218815392.flv':
Duration: 00:00:16.10, start: 0.000000, bitrate: N/A
Stream #0.0: Video: flv, yuv420p, 320x240, 1000.00 tb(r)
Stream #0.1: Audio: 0x0000, s16
Expected number for vframes but found: l
#10
LQ Guru
Registered: Mar 2006
Location: Sydney, Australia
Distribution: Fedora, CentOS, OpenSuse, Slack, Gentoo, Debian, Arch, PCBSD
Posts: 6,678
Rep:
Why are you setting vframes to 1 (or trying to)?
#11
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
I am trying to get a single frame from the flv so I can use it as a thumbnail. What should I change that 1 to?
#12
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
Ok it works fine when i remove the -vframes l option. Sheesh!
#13
LQ Guru
Registered: Mar 2006
Location: Sydney, Australia
Distribution: Fedora, CentOS, OpenSuse, Slack, Gentoo, Debian, Arch, PCBSD
Posts: 6,678
Rep:
Not sure how to extract a single frame - never done that one
#14
LQ Guru
Registered: Mar 2006
Location: Sydney, Australia
Distribution: Fedora, CentOS, OpenSuse, Slack, Gentoo, Debian, Arch, PCBSD
Posts: 6,678
Rep:
#15
Member
Registered: Sep 2008
Posts: 90
Original Poster
Rep:
The above I have works now with the removal of "-vframes l". Thanks for the tutorial and your help billymayday
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