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+--- Thread: [WINDOWS][PATCH]Bitstream output of HD audio formats (/showthread.php?tid=121877)
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- gr021857 - 2012-02-13 19:50
DanielaE Wrote:Being an engineer (running the same mobo in my test setup), I'd advise to run the following tests:
- Try my build instead, just to sort out the odds that this is due to DDDamians additions on top of my code patch (which is more geared towards staying as close to mainline code as possible).
- Try Realtek's HDMI driver instead of AMD's. I haven't heard residual sound with neither of them in my tests, though.
I'm home, tried your version DanielaE but still the same. Tried your second idea though and I can't believe it, I thought AMD had ironed out all the bugs with their version of the driver. BUT low and behold using: http://www.realtek.com.tw/downloads/downloadsCheck.aspx?Langid=1&PNid=24&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false option ATI HDMI Audio Device R2.67 2011/12/16 21405k
*Had to force install the Vista driver via Have Disk as it said it didn't recognise a compatible device via setup
I reloaded xbmc (both DanielaE and Damien's) and they both work, no buzzing after stopping a file.
Thank you all for the quick and supportive replies, much appreciated. This can now be used as far as I am concerned as a daily build, no issues at all now.
Also just for reference in regards to my last post about whether the buzzing stops after I close xbmc, it does not it will continue on as Greeneyez rightly says until any sound is played regardless of if xbmc is open or not so definitely seems to be some kind of disconnection issue when the sound ends.
- DDDamian - 2012-02-13 19:56
Sounds like the driver just looped the final buffer ad nauseum. I'm pretty sure Bluray, Daniela and I are all using latest drivers from AMD or RealTek. My current driver (as mentioned in previous posts) is the AMD 7.12.0.7705 dated 12/6/2011, and rock-solid. No 24p sync issues, no specific sample rate issues, just works.
I've switched back to AE work here, so I don't have this builds WASAPI code in front of me, but perhaps a hard flush of the buffer when the stream stops would correct the issue.
- bluray - 2012-02-13 21:33
DDDamian Wrote:My current driver (as mentioned in previous posts) is the AMD 7.12.0.7705 dated 12/6/2011, and rock-solid. No 24p sync issues, no specific sample rate issues, just works..I'm using the latest AMD 12.1 version, and it's rock-solid on both HD6450 and HD5570 cards. The latest Nvidia driver is rock-solid on my GT430 card too!
truehd dropouts - paolov74 - 2012-02-14 07:41
@DDDamian,
first, thanks for your efforts in xbmc hd audio development. Your build is very close to perfection, at least for my rig (E350).
Your latest build has corrected TRUEHD sync, but introduced (as reported by voip-ninja) TRUEHD audio dropouts every 42 seconds.
Yes, I have sync playback to video enabled with drop/dupe method. Your previous build had sync issues but no dropouts...settings were the same.
DTS-HDMA / DTS / AC3 playback are perfect! no dropouts, no frame drop, just REAL CINEMA experience! I prefer to go back to this build - XBMCSetup-20120209-02ff9d2-dx.exe - and adjust truehd movies sync one by one.
And, BTW, scaling options are wonderful. I like spline36 optimized as my system can handle it without hitchs or drops.
Thanks again and good work!
I forgot to mention: I'm playing 23.976 bluray folders @24 hz refresh rate. Only TRUEHD gives me this problems, other formats play fine.
- anthonykappa - 2012-02-14 13:05
I haven't experienced any dropouts with TrueHD and also no buzzing here.
DDDamian's installer. Asrock E350 with latest AMD/ATi drivers. Yamaha AV receiver.
Thanks for the patch. Great work =D
- paolov74 - 2012-02-14 13:10
@anthonykappa
do you sync video to refresh rate or not?
I'm "speeding up" 23.976 fps video to 24 fps....maybe this cause the 42 second drop...
- anthonykappa - 2012-02-14 13:44
Adjust display refresh rate to match video - Off
Sync playback to display - Off
I'm not very technical with refresh rates etc so I leave all that on default. Also I don't think my tv supports proper 1080p24.
- voip-ninja - 2012-02-14 16:42
I agree, that the 'adjust display refresh rate to match video' and 'sync playback to display' options are likely responsible for the audio drops I am seeing with True-HD.
- DDDamian - 2012-02-14 17:27
Try the video settings in the screenshot a few posts back - then there's no messing with refresh rates and syncs.
FYI, while I have a very strong interest in HD audio my work is more with the AudioEngine branch. The incredible work you see in these builds is by the OP - DanielaE. From out of the blue she posted a very workable solution with far less extensive changes to the main code than the upcoming AudioEngine which is a complete re-write affecting many of the modules XBMC is comprised of.
Her solution gets anyone with compatible hardware and Windows the latest BD audio formats here and now, and has been very robust given the feedback here!
efforts - paolov74 - 2012-02-14 17:53
@DDDamian
sure...DanielA made an excellent work, and you wonderfully finalized it with nice patches.
BTW, DanielA's build is excellent in HD Audio passthrough, but not with "sync to refresh" option on: DDDamian's build corrected (at least, for my rig) this wrong behaviour giving me a 0 frame drop refresh synced play throughout a whole movie.
Before, only DSPlayer+lavfilters+reclock let me achieved this result.
Bye