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Hydrogenaudio Forums > Lossy Audio Compression > Ogg Vorbis > Ogg Vorbis - General
dev0
I really like the up to date (20020704 as of writing) ogg tools at Rarewares, but I think at least for OggDropXPd there should be a stable (RC3) Version, for those who don't want to play around with the latest and greatest.
dev0
rjamorim
I already mailed your request to John33.

I asked for fast RC3 libraries too.

The files should be up soon. smile.gif

Regards;

Roberto.
dev0
Great...
Is he going to do an OggDec/oggenc Compile, too? Would be nice, because I'd like to see an ICL6 compile of the RC3 oggenc.
dev0
rjamorim
QUOTE
Originally posted by dev0
Great...
Is he going to do an OggDec/oggenc Compile, too? Would be nice, because I'd like to see an ICL6 compile of the RC3 oggenc.
dev0


The OggEnc would be worth trying. (And testing against Alex's compile)

But would there be any reason to compile a RC3 version of Oggdec?

I would believe pe-RC4 decoding code works as well as RC3's one, with probably some efficiancy tweaks.

Regards;

Roberto.
john33
@dev0

I have uploaded RC3 - ICL 6.0 compiles of oggenc and oggdrop (as it was then) to Roberto. I didn't bother to do a RC3 compile of oggdec as the decoding has essentially been fixed since before RC3 anyway.smile.gif

I haven't done any comparative speed testing. I am sure you can manage that!biggrin.gif
rjamorim
The RC3 files are already available, as well as a new batch of daily binaries.

Regards;

Roberto.
HotshotGG
QUOTE
I would believe pre-RC4 decoding code works as well as RC3's one, with probably some efficiency tweaks.


Arn't the decoding libraries static with the 1.0 bitstream spec? Or are you speaking of something else?
rjamorim
QUOTE
Originally posted by HotshotGG
Arn't the decoding libraries static with the 1.0 bitstream spec? Or are you speaking of something else?


There have already been lots of decoding library changes in the CVS.

I would believe these are some minor changes, like killing an eventual bug and increasing performance.

Regards;

Roberto.
dev0
okay, I just did some quick and dirty (only one file at -q 5) benchmarking with some oggenc compiles:

oggenc RC3 ICL5 (alex):
CODE


Opening with wav module: WAV file reader

Encoding "C:NTFS-Workspaceaudiotestatdi.wav" to

        "C:NTFS-Workspaceaudiotestatdi.ogg" at quality 5,00

Encoding with VBR

       [100,0%] [ 0m00s remaining] |



Done encoding file "C:NTFS-Workspaceaudiotestatdi.ogg"



       File length:  4m 42,0s

       Elapsed time: 2m 06,0s

       Rate:         2,2447

       Average bitrate: 147,8 kb/s



oggenc RC3 ICL6 (john):
CODE


Opening with wav module: WAV file reader

Encoding "C:NTFS-Workspaceaudiotestoggatdi.wav" to

        "C:NTFS-Workspaceaudiotestoggatdi.ogg" at quality 5,00

Encoding with VBR

       [100,0%] [ 0m00s remaining] |



Done encoding file "C:NTFS-Workspaceaudiotestoggatdi.ogg"



       File length:  4m 42,0s

       Elapsed time: 2m 25,0s

       Rate:         1,9505

       Average bitrate: 147,8 kb/s



oggenc RC3 official (vorbis.com):
CODE


Encoding "C:NTFS-Workspaceaudiotestoggatdi.wav" to

        "C:NTFS-Workspaceaudiotestoggatdi.ogg" at quality 5,00

Encoding with VBR

       [100,0%] [ 0m00s remaining] |



Done encoding file "C:NTFS-Workspaceaudiotestoggatdi.ogg"



       File length:  4m 42,0s

       Elapsed time: 2m 28,0s

       Rate:         1,9110

       Average bitrate: 147,8 kb/s



oggenc 20020706 ICL6 (john):
CODE


Opening with wav module: WAV file reader

Encoding "C:NTFS-Workspaceaudiotestoggatdi.wav" to

        "C:NTFS-Workspaceaudiotestoggatdi.ogg"

at quality 5,00

       [100,0%] [ 0m00s remaining] |



Done encoding file "C:NTFS-Workspaceaudiotestoggatdi.ogg"



       File length:  4m 42,0s

       Elapsed time: 1m 48,0s

       Rate:         2,6188

       Average bitrate: 141,1 kb/s



As I said, this was just a quick and dirty test and I will test more (more samples + a Linux gcc 2.95 + 3.1 compile) tomorrow (when I'm not as drunk anymore).
The only thing that really became clear with this test is the massive speed increase in pre-RC4.

dev0

<edit>
test machine: PIII 500 320MB RAM, Win2000
test sample: At The Drive-In - Pattern Against User (live)
</edit>
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