I found out about vp3 from the new winamp and coincidentally i also happen to be trying to find a suitable solution to broadband streaming. I have used flaskmpeg to create a 17mb .avi file from an 82mb Mpeg 1 file and it looks great it took about twenty minutes to encode. It runs for eight minutes and the audio is also fantastic using the lame encoder. However when I try to do the same in Quicktime with either Quicktime Pro 6 or Premiere6 or Ulead MSP6 I end up with a file that is 72mb in size and takes an hour and a half to encode. I use the same settings as I did with the AVI in flask except for using Qdesigns audio instead of MP3. I run Win2k Pro with a P4 2Ghz 512 Mb so have lots of grunt. If it is because of only supporting Quicktime 5 is their any intent to patch for 6 regards Jim Barnes --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'theora-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages sent to the list will be ignored/filtered.
this is wierd. We are struggling with some issues in QT6, but what you describe
is not one I've heard before.
Are you sure you are setting all the params correctly? It sounds like
you're getting all keyframes or something.
Also, which OS are you running?
-----Original Message-----
From: Jim Barnes [mailto:tojimbarnes@hotmail.com]
Sent: Fri 10/18/2002 1:00 PM
To: theora@xiph.org
Cc:
Subject: [theora] Quicktime Vs Windows encoding with VP3
I found out about vp3 from the new winamp and coincidentally i also
happen to be trying to find a suitable solution to broadband streaming.
I have used flaskmpeg to create a 17mb .avi file from an 82mb Mpeg 1
file and it looks great it took about twenty minutes to encode. It runs for
eight minutes and the audio is also fantastic using the lame encoder.
However when I try to do the same in Quicktime with either Quicktime Pro
6 or Premiere6 or Ulead MSP6 I end up with a file that is 72mb in size and takes
an hour and a half to encode.
I use the same settings as I did with the AVI in flask except for using
Qdesigns audio instead of MP3.
I run Win2k Pro with a P4 2Ghz 512 Mb so have lots of grunt.
If it is because of only supporting Quicktime 5 is their any intent to
patch for 6
regards
Jim Barnes
-------------- next part --------------
A non-text attachment was scrubbed...
Name: winmail.dat
Type: application/ms-tnef
Size: 5234 bytes
Desc: winmail.dat
Url :
http://lists.xiph.org/pipermail/theora/attachments/20021018/d5787e02/winmail-0001.bin
Win2k Pro is Windows 2000 Professional. I am setting the codec to exactly the same whether in .avi or .mov using auto keyframes. p.s. I dont know how to tell you this but the OggVorbis codec was used instead of lame-mp3 and the .avi file size (as below) went to 25Mb p.p.s. why does QT encoding take longer than .avi and not just with this codec even DV.>From: "Dan Miller" <dan@on2.com> >Reply-To: theora@xiph.org >To: <theora@xiph.org> >Subject: RE: [theora] Quicktime Vs Windows encoding with VP3 >Date: Fri, 18 Oct 2002 15:28:15 -0400 > >this is wierd. We are struggling with some issues in QT6, but what you >describe is not one I've heard before. > >Are you sure you are setting all the params correctly? It sounds like >you're getting all keyframes or something. > >Also, which OS are you running? > > > -----Original Message----- > From: Jim Barnes [mailto:tojimbarnes@hotmail.com] > Sent: Fri 10/18/2002 1:00 PM > To: theora@xiph.org > Cc: > Subject: [theora] Quicktime Vs Windows encoding with VP3 > > > > I found out about vp3 from the new winamp and coincidentally i also happen >to be trying to find a suitable solution to broadband streaming. > > I have used flaskmpeg to create a 17mb .avi file from an 82mb Mpeg 1 file >and it looks great it took about twenty minutes to encode. It runs for >eight minutes and the audio is also fantastic using the lame encoder. > > However when I try to do the same in Quicktime with either Quicktime Pro 6 >or Premiere6 or Ulead MSP6 I end up with a file that is 72mb in size and >takes an hour and a half to encode. > > I use the same settings as I did with the AVI in flask except for using >Qdesigns audio instead of MP3. > > I run Win2k Pro with a P4 2Ghz 512 Mb so have lots of grunt. > > If it is because of only supporting Quicktime 5 is their any intent to >patch for 6 > > regards > > Jim Barnes > ><< winmail.dat >><p>_________________________________________________________________ Get faster connections -- switch to MSN Internet Access! http://resourcecenter.msn.com/access/plans/default.asp --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'theora-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages sent to the list will be ignored/filtered.
the OV codecs you refer to are some Vorbis ACM's that I hacked up to get
VPVision to work. Among other sins, they pad out the datarate to allow seeking,
since normally AVI files can't deal with variable-bitrate audio. Don't
use these codecs for anything but VpVision, please!
Anyway, I cannot say why QT compressions take longer. Maybe something to do
with QT itself.
-----Original Message-----
From: Jim Barnes [mailto:tojimbarnes@hotmail.com]
Sent: Sat 10/19/2002 4:08 AM
To: theora@xiph.org
Cc:
Subject: Re: [theora] Re: Quicktime Vs Windows encoding with VP3
Okay sorry I dont know enough about VBR etc yet but I got that
This is how I came to have the OV codec in win2000
There are three dls at On2 for VP3-Theora on a PC
One for Avi, One for QT, and one comes with VP vision.
When I installed the last of these I suddenly got OV1 2 and 3 as a
selection in the audio codecs in all my editors.
I assume from what you say then that this is an audio only codec and
should
only be used as such.
Its just strange that they are in there and they work or at least thats
what
the summary of the file under win2k shows. The file shows OV as the
audio
codec and VP3 as the video codec.
The interleave was set to one frame and I have no sync problems, just a
file
thats bigger when I expected it to be smaller
I used FlaskMpeg to encode both the files
Jim
----- Original Message -----
From: "Christian HJ Wiesner" <cwiesner@t-online.de>
To: <theora@xiph.org>
Sent: Saturday, October 19, 2002 5:45 PM
Subject: [theora] Re: Quicktime Vs Windows encoding with VP3
> There is no 'allowed' way of using Vorbis within AVI, because ACM
audio
> codecs are only allowed to be CBR, not ABR/VBR. There is a modification of
> Virtualdub called 'nandub' that can mux Lame MP3 VBR/ABR strams
into AVI,
> but it breaks AVI specs, playback works only on Windows using MP3 Dshow
> filters and in mplayer for Linux, all other players on most other OSes
failt
> to keep audio and video in sync AFAIK.
>
> There was a Vorbis ACM codec floating through the net some time ago, some
> guys reported it works with AVI, but quality is bad and there are severy
> sync problems.
>
> Please note that the inability to use Vorbis in AVIs was one of the main
> reasons for some projects to start work on replacing AVI with something
more
> modern, namely the OGM format made by Tobias Waldvogel ( based on Ogg
> framing ) and MCF.
>
> Christian
>
>
>
>
> --- >8 ----
> List archives: http://www.xiph.org/archives/
> Ogg project homepage: http://www.xiph.org/ogg/
> To unsubscribe from this list, send a message to
'theora-request@xiph.org'
> containing only the word 'unsubscribe' in the body. No subject is
needed.
> Unsubscribe messages sent to the list will be ignored/filtered.
>
--- >8 ----
List archives: http://www.xiph.org/archives/
Ogg project homepage: http://www.xiph.org/ogg/
To unsubscribe from this list, send a message to
'theora-request@xiph.org'
containing only the word 'unsubscribe' in the body. No subject
is needed.
Unsubscribe messages sent to the list will be ignored/filtered.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: winmail.dat
Type: application/ms-tnef
Size: 9116 bytes
Desc: winmail.dat
Url :
http://lists.xiph.org/pipermail/theora/attachments/20021019/6fd7c795/winmail-0001.bin