[solved] how to convert .rm to .ogg

Message

pyxel · Post by **pyxel** » Thu Mar 22, 2007 9:15 am

Hello all,

I want just to ask if you can help me to convert one RealMedia video file (from stream) to ogg video ?

Any advice is welcome.

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[marek@pluto ~]$ file stream.rm
stream.rm: RealMedia file
[marek@pluto ~]$

Thank you in advance!

frostschutz · Post by **frostschutz** » Thu Mar 22, 2007 12:58 pm

If mplayer can play it, mencode.

pyxel · Post by **pyxel** » Thu Mar 22, 2007 7:24 pm

frostschutz wrote:If mplayer can play it, mencode.

Actually no, it can play, but no encore to ogg

beandog · Post by **beandog** » Thu Mar 22, 2007 8:34 pm

I'm not very good at doing just audio stuff with mencoder, but I think this might work:

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mplayer movie.rm -dumpaudio -dumpfile audio.wav
oggenc audio.wav

ikshaar · Post by **ikshaar** » Thu Mar 22, 2007 9:29 pm

beandog wrote:I'm not very good at doing just audio stuff with mencoder, but I think this might work:
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mplayer movie.rm -dumpaudio -dumpfile audio.wav
oggenc audio.wav

He is talking about video, not audio. oggenc in audio only afaik.

You can see if media-video/ffmpeg2theora can read Real file.... i doubt so.

beandog · Post by **beandog** » Thu Mar 22, 2007 9:52 pm

oh, whoops.

Well, define "ogg video" then. Ogg Theora? Ogg Vorbis? Ogg container?

Lots of options.

If you wanted all three, something like this:

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mencoder movie.rm -ovf lavf -ovc theora -oac lavc -lavcopts acodec=vorbis -o movie.ogm

kdag · Post by **kdag** » Fri Mar 23, 2007 12:27 pm

will it be possible to go from .ogg to .mov ?

Moji · Post by **Moji** » Fri Mar 23, 2007 11:29 pm

Gentoo Wiki

I rip various streams and convert to ogg files with scripts, I don't think any of them are rm but I think it should work for any:

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mkfifo /tmp/temp_file
mplayer -really-quiet -vo null -vc null -ao pcm:waveheader:file="/tmp/temp_file" "source_file_or_url" &
oggenc /tmp/temp_file -Q -q 6 -o destination_file.ogg
rm -fr /tmp/temp_file

-MJ

pyxel · Post by **pyxel** » Mon Mar 26, 2007 7:34 pm

The solution

transcode it to ffmpeg2 via memcoder:

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mencoder ./stream.rm -o temp.avi  -ovc lavc -oac lavc

and now to ogg using ffmpeg2theora [1]:

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./ffmpeg2theora-0.18.linux.bin ./temp.avi -o output.ogg

[1] http://www.v2v.cc/~j/ffmpeg2theora/

Cheers,

Marek Mahut

pyxel · Post by **pyxel** » Mon Mar 26, 2007 7:37 pm

Hello,

beandog wrote:

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mencoder movie.rm -ovf lavf -ovc theora -oac lavc -lavcopts acodec=vorbis -o movie.ogm

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[mmahut@mmahut ~]$ mencoder -ovc help
MEncoder 1.0rc1-4.1.1 (C) 2000-2006 MPlayer Team
CPU: Genuine Intel(R) CPU           T2400  @ 1.83GHz (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.

Available codecs:
   copy     - frame copy, without re-encoding. Doesn't work with filters.
   frameno  - special audio-only file for 3-pass encoding, see DOCS.
   raw      - uncompressed video. Use fourcc option to set format explicitly.
   nuv      - nuppel video
   lavc     - libavcodec codecs - best quality!
   vfw      - VfW DLLs, read DOCS/HTML/en/encoding-guide.html.
   qtvideo  - QuickTime DLLs, currently only SVQ1/3 are supported.
   libdv    - DV encoding with libdv v0.9.5
   xvid     - XviD encoding
   x264     - H.264 encoding

[mmahut@mmahut ~]$

No, mencoder/mplayer doesn't support theora at all. Already had a flame with devlopers about that

the prive response was 'ogg developera had a smaller brain that dog' - well, it shows how mplayer developres are good.

/Marek Marek/

beandog · Post by **beandog** » Mon Mar 26, 2007 8:03 pm

pyxel wrote:No, mencoder/mplayer doesn't support theora at all. Already had a flame with devlopers about that the prive response was 'ogg developera had a smaller brain that dog' - well, it shows how mplayer developres are good.

Ah, yah. I can never remember which OSS codecs they don't support. MPlayer will play Theora files, but can't encode to them.