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Resampling
31-03-2015, 10:48
Post: #31
RE: Resampling
(31-03-2015 00:10)bobxsherman Wrote:  I downloaded and installed it. ffmpeg works I do not have a path for ffmpeg using JPlay. Do I need more path info for sox to work. This is what I downloaded.
ffmpeg-20150218-git-8bc8001-win32-static.7z

thanks
Bob

What exactly do you have in the stream.converter property of MinimServer?

What is the exact folder location of the downloaded version of ffmpeg?
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01-04-2015, 18:06 (This post was last modified: 01-04-2015 18:07 by granosalis.)
Post: #32
RE: Resampling
Still trying to install libsoxr.
Could someone support me on how to install ffmpeg on Qnap intel NAS? In fact, the file (ffmpeg-release-32bit-static.tar.xz) is not in a package format and the QNAP application installer do not recognize it.
Thanks in advance.
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01-04-2015, 18:36 (This post was last modified: 01-04-2015 18:44 by DavidHB.)
Post: #33
RE: Resampling
(01-04-2015 18:06)granosalis Wrote:  Could someone support me on how to install ffmpeg on Qnap intel NAS? In fact, the file (ffmpeg-release-32bit-static.tar.xz) is not in a package format and the QNAP application installer do not recognize it.

I don't have a QNAP, but I think you could adapt the approach I used with my ReadyNAS, described on this page. The one difference from what I did is that you will need to unpack the .tar.gz file before you copy it to the QNAP. Most archive utilities (I use 7-Zip on Windows) will decompress .tar.gz files (aka tarballs). I would place everything that decompresses in the folder referenced by the stream.converter property.

David
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01-04-2015, 19:23 (This post was last modified: 01-04-2015 19:23 by simoncn.)
Post: #34
RE: Resampling
(01-04-2015 18:36)DavidHB Wrote:  I don't have a QNAP, but I think you could adapt the approach I used with my ReadyNAS, described on this page. The one difference from what I did is that you will need to unpack the .tar.gz file before you copy it to the QNAP. Most archive utilities (I use 7-Zip on Windows) will decompress .tar.gz files (aka tarballs). I would place everything that decompresses in the folder referenced by the stream.converter property.

David

The stream.converter property references a file, not a folder. You could unpack the .xz file on Windows as DavidHB suggested, then copy the ffmpeg binary to the Public share of the NAS and set the stream.converter property to /share/Public/ffmpeg. Make sure the ffmpeg file has the execute permission set.
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01-04-2015, 21:14
Post: #35
RE: Resampling
David, Simon,
thanks a lot for your support. I have moved the ffmpeg package to the QNap public folder and I successfully set the path in minim server. Works! I have changed the permission using WinScp. Unfortunatelly, when I try to use libsoxr (setting the streaming option with: convOut=-af aresample=resampler=soxr) I got the error.
I guess the ffmpeg I have downloaded do not contains libsox.
So now the next question is how to retrieve a static compilation of ffmpeg for intel (QNap) that includes libsoxr. Thanks!

Regards,
Giuseppe
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01-04-2015, 21:43
Post: #36
RE: Resampling
(01-04-2015 21:14)granosalis Wrote:  David, Simon,
thanks a lot for your support. I have moved the ffmpeg package to the QNap public folder and I successfully set the path in minim server. Works! I have changed the permission using WinScp. Unfortunatelly, when I try to use libsoxr (setting the streaming option with: convOut=-af aresample=resampler=soxr) I got the error.
I guess the ffmpeg I have downloaded do not contains libsox.
So now the next question is how to retrieve a static compilation of ffmpeg for intel (QNap) that includes libsoxr. Thanks!

Regards,
Giuseppe

I've looked for this but I haven't been able to find one. Sad
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01-04-2015, 23:16
Post: #37
RE: Resampling
(01-04-2015 19:23)simoncn Wrote:  The stream.converter property references a file, not a folder.

Well, it references the folder as part of the path, I suppose, but I admit that the thought was not well expressed; thanks for the correction.

(01-04-2015 21:43)simoncn Wrote:  
(01-04-2015 21:14)granosalis Wrote:  So now the next question is how to retrieve a static compilation of ffmpeg for intel (QNap) that includes libsoxr. Thanks!

I've looked for this but I haven't been able to find one. Sad

That's a pity, and a little frustrating, considering that (AFAIK) all the Zeranoe builds of FFmpeg for Windows do now incorporate soxr.

David
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02-04-2015, 08:33
Post: #38
RE: Resampling
(01-04-2015 23:16)DavidHB Wrote:  
(01-04-2015 19:23)simoncn Wrote:  I've looked for this but I haven't been able to find one. Sad

That's a pity, and a little frustrating, considering that (AFAIK) all the Zeranoe builds of FFmpeg for Windows do now incorporate soxr.

David

David, there is a possibility.Idea Stay tuned. Smile

Regards,
Giuseppe
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02-04-2015, 10:13
Post: #39
RE: Resampling
(02-04-2015 08:33)granosalis Wrote:  David, there is a possibility.Idea Stay tuned. Smile

That's good news. I am certainly interested for the longer term, as eventually I shall need a new NAS, and QNAP is one of the candidates.

David
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02-04-2015, 15:15 (This post was last modified: 02-04-2015 15:16 by granosalis.)
Post: #40
RE: Resampling
In fact I have made some listening test with ffmpeg standard re-sampling algorithm and I have to say that I'm not impressed at all.
I can easily understand potential of this method, but the usage of a basic algorithm produce a digital sounds, too harsh and edgy for my taste (especially from 44 to 192 , better results from 44 to 176).
While I'm sure we can have much better results with more sophisticated software as I did in the past with standalone computer players like Audirvana using iZotope upsampling.
Now I'm very happy with minimserver on QNap nas + Renderer, the overall results is better than Software player with USB, but I miss some top quality pre-processing options like upsampling.
Every DAC internally do upsampling, so it is just a matter to find an algorithm that is better than the internal DAC one to improve the sound quality.
That's why I'm using my time trying to find a better alternative to ffmpeg.

Regards,
Giuseppe
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