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+--- Forum: General (/forumdisplay.php?fid=2)
+--- Thread: Resampling (/showthread.php?tid=2263)
RE: Resampling - simoncn - 31-03-2015 10:48
(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?
RE: Resampling - granosalis - 01-04-2015 18:06
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.
RE: Resampling - DavidHB - 01-04-2015 18:36
(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
RE: Resampling - simoncn - 01-04-2015 19:23
(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.
RE: Resampling - granosalis - 01-04-2015 21:14
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
RE: Resampling - simoncn - 01-04-2015 21:43
(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.
RE: Resampling - DavidHB - 01-04-2015 23:16
(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.
That's a pity, and a little frustrating, considering that (AFAIK) all the Zeranoe builds of FFmpeg for Windows do now incorporate soxr.
David
RE: Resampling - granosalis - 02-04-2015 08:33
(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.
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.
Stay tuned. 
Regards,
Giuseppe
RE: Resampling - DavidHB - 02-04-2015 10:13
(02-04-2015 08:33)granosalis Wrote: David, there is a possibility.
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
RE: Resampling - granosalis - 02-04-2015 15:15
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