[FFmpeg-user] Transcode videos

Mike Martin mike at redtux.org.uk
Thu Jul 10 16:54:58 CEST 2014


and at least used to add a linked file called ffmpeg


On 10 July 2014 15:38, Steve Boyer <steveboyer85 at gmail.com> wrote:

> On Jul 10, 2014 9:05 AM, "Steve Boyer" <steveboyer85 at gmail.com> wrote:
> >
> >
> > On Jul 10, 2014 6:52 AM, "Felipe Lacerda" <felipe.lacerda at upx.com.br>
> wrote:
> > >
> > > Hello Moritz,
> > >
> > > Thanks for your help, look my output when I tried to use command line
> that
> > > you suggest me:
> > >
> > > root at UPX-TI-Lab:/usr/local/WowzaMediaServer/content# ffmpeg -i
> > > fff9957481ca4d9b4aec79c8c2418505_3-1.mp4 -c:a copy -c:v libx264
> -profile:v
> > > baseline -level 3.0 teste_2.mp4
> > > ffmpeg version 0.8.9-6:0.8.9-0ubuntu0.13.04.1, Copyright (c) 2000-2013
> the
> > > Libav developers
> >
> > Here's part of the problem. The version you are trying to run is not true
> FFmpeg, but the avconv version. With Ubuntu, you have to compile from
> source or download a precompiled package. If you apt-get install FFmpeg out
> of the box, this is the version you get.
>
> Sorry, bad wording. Chalk it up to lack of sleep. If you apt-get install,
> the avconv version is the version installed.
>
> > >   built on Nov  9 2013 19:09:48 with gcc 4.7.3
> > > *** THIS PROGRAM IS DEPRECATED ***
> > > This program is only provided for compatibility and will be removed in
> a
> > > future release. Please use avconv instead.
> > > [mov,mp4,m4a,3gp,3g2,mj2 @ 0x214e1e0] max_analyze_duration reached
> > >
> > > Seems stream 0 codec frame rate differs from container frame rate:
> 59.94
> > > (60000/1001) -> 29.97 (2997/100)
> > > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
> > > 'fff9957481ca4d9b4aec79c8c2418505_3-1.mp4':
> > >   Metadata:
> > >     major_brand     : M4V
> > >     minor_version   : 1
> > >     compatible_brands: M4V mp42isom
> > >     creation_time   : 2012-11-22 03:20:12
> > >   Duration: 00:31:00.43, start: 0.000000, bitrate: 381 kb/s
> > >     Stream #0.0(eng): Video: h264 (High), yuv420p, 640x360 [PAR 1:1 DAR
> > > 16:9], 294 kb/s, 29.97 fps, 29.97 tbr, 29970 tbn, 59.94 tbc
> > >     Metadata:
> > >       creation_time   : 2012-11-22 03:20:12
> > >     Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 61 kb/s
> > >     Metadata:
> > >       creation_time   : 2012-11-22 03:20:12
> > >     Stream #0.2(und): Data: rtp  / 0x20707472, 13 kb/s
> > >     Metadata:
> > >       creation_time   : 2014-06-16 15:29:07
> > >     Stream #0.3(und): Data: rtp  / 0x20707472, 8 kb/s
> > >     Metadata:
> > >       creation_time   : 2014-06-16 15:29:08
> > > Unrecognized option 'c:a'
> > > Failed to set value 'copy' for option 'c:a'
> > >
> > > What can be happening?
> > >
> > > Thanks,
> > > Regards,
> > >
> > > Felipe Lacerda Kneipp
> > >
> > > UPX
> > > http://www.upx.com.br
> > >
> > > Campinas +55 (19) 3208-1317 ou + 55 (19) 4062-0086
> > > São Paulo +55 (11) 2626-3952
> > > Brasília +55 (61) 2626-1248
> > > Belo-Horizonte +55 (31) 2626-2019
> > > Miami - USA +1 (305) 331-6649
> > >
> > >
> > > 2014-07-05 7:58 GMT-03:00 Moritz Barsnick <barsnick at gmx.net>:
> > >
> > > > Hi Felipe,
> > > >
> > > > On Fri, Jul 04, 2014 at 10:51:33 -0300, Felipe Lacerda wrote:
> > > >
> > > > > My version of ffmpeg is 0.8.12
> > > >
> > > > Please get hold of a newer version of ffmpeg. This is quite old and
> > > > unsupported, and some tips you get just won't apply to your version.
> > > >
> > > > > > > I need transcode the many videos for they run in old iPhone (3,
> 3gs)
> > > > and
> > > >
> > > > Check the compatibility section in this FAQ:
> > > >
> > > > https://trac.ffmpeg.org/wiki/Encode/H.264#AdditionalInformationTips
> > > >
> > > > Quote:
> > > > > If you want your videos to have highest compatibility with target
> > > > > devices (older iOS versions or all Android devices):
> > > > >
> > > > >   -profile:v baseline -level 3.0
> > > >
> > > > So basically
> > > > ffmpeg -i inputvideofile -c:a copy -c:v libx264 -profile:v baseline
> -level
> > > > 3.0 outputvideofile
> > > >
> > > > Moritz
> > > > _______________________________________________
> > > > ffmpeg-user mailing list
> > > > ffmpeg-user at ffmpeg.org
> > > > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > >
> > > _______________________________________________
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> > > ffmpeg-user at ffmpeg.org
> > > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
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