Subtitles + DXVA

[Ommina]

As far as I know, subtitles break DXVA. MPC HomeCinema uses a custom renderer, iirc, so it can have DXVA and subtitles at the same time. GB-PVR supports external players, last I checked, so perhaps you can set MKV's to open with MPC-HC.

If you don't have a keyboard/mouse attached to your HTPC, it's possible to map out functions to some remote buttons. For my set-up, I use the channel up button for subtitle changing and the channel down button for switching audio.

Thank you for the reply! So, is this a failing of DirectX overall, or a matter of filters not keeping up with the hardware?

I'll have to look into using the external player - although it feels a bit silly to me (and more than a little hacky) to have to leave the application entirely, I guess if it needs to happen, it needs to happen.

What is the response time like when you start playback? And to where are you returned when playback ends? Guess I've some work ahead of me tonight...

[sub]

Thank you for the reply! So, is this a failing of DirectX overall, or a matter of filters not keeping up with the hardware?

What happens when you use hardware acceleration is that the video decoder and the video renderer agree to use hardware acceleration, and the video decoder passes undecoded (or partially undecoded) packets directly to the video renderer for it to perform more of the work.

When you use a third party external subtitle filter, like directvobsub etc, they insert themselves between the decoder and video renderer, breaking the ability of decoder passing undecoded packets to the renderer. Instead these subtitles filters force the video decoder to fully decode each frame before passing it to the subtitle filter for it to draw it's subtitles on, which it inturn passes to the video renderer for display.

[Snooze]

Here is an interesting article I stumbled upon. I dont know if PVRX2 can take advantage of it. I am assuming it only works in an external player environment using MPC-HC. http://nunnally.ahmygoddess.net/watching...sing-dxva/

Maybe with some file conversion if required it can be accomplished?

And for Nvidia users, similar tutorial using CUDA http://nunnally.ahmygoddess.net/watching...ture-cuda/

[ilovejedd]

Here is an interesting article I stumbled upon. I dont know if PVRX2 can take advantage of it. I am assuming it only works in an external player environment using MPC-HC. http://nunnally.ahmygoddess.net/watching...sing-dxva/

Maybe with some file conversion if required it can be accomplished?

And for Nvidia users, similar tutorial using CUDA http://nunnally.ahmygoddess.net/watching...ture-cuda/

MPC-HC as an external player has already been discussed.

CoreAVC with CUDA, however, will likely work for those with NVIDIA graphics since the decoder talks directly to the video card and doesn't have to go through Microsoft's renderer to get hardware acceleration. Needless to say, ATI users need not apply until they implement acceleration via OpenCL or something.

The individual DirectShow filters for MPC-HC, however, are actually available for download. It'll be interesting to see if it would be possible to integrate them into GB-PVR, or if they'll be functional as standalone DirectShow filters. I know MPCVideoDec works, just don't know about the subtitle filter. I've never actually explored these options before as I use GB-PVR purely as back-end DVR and rely on MPC-HC for playback.

File conversion is not an option for most. Aside from the quality loss, it'll just take a long time to encode a sizable collection.

[hoborg]

MPC-HC subtitle engine needs to be added directly to program code, not possible to work as standalone filter. And becouse GB-PVR is not open source, MPC-HC subtitle engine cannot be added in to GB-PVR.

[Ommina]

When you use a third party external subtitle filter, like directvobsub etc, they insert themselves between the decoder and video renderer, breaking the ability of decoder passing undecoded packets to the renderer. Instead these subtitles filters force the video decoder to fully decode each frame before passing it to the subtitle filter for it to draw it's subtitles on, which it inturn passes to the video renderer for display.

As much as I'm disappointed to learn that my exciting plans to be watching glorious HD by next weekend are not to be, the explanation why not makes perfect sense.

I guess the next trick is to see if the article linked by Snooze in conjunction with using MPC-HC as an external player will yield acceptable (and ideally temporary) results.

@ilovejedd: Any tricks / links to getting MPC-HC going as the external player?

[ilovejedd]

I guess the next trick is to see if the article linked by Snooze in conjunction with using MPC-HC as an external player will yield acceptable (and ideally temporary) results.

@ilovejedd: Any tricks / links to getting MPC-HC going as the external player?

More than acceptable results. DXVA via MPC-HC works perfectly on several of my machines, including a couple of ION-based builds.

I actually use Windows Media Center + Media Browser as my front-end so I can't recall how to get external player support for GB-PVR. I just remember it being possible back when I was considering using it as a front-end. I'll try to figure it out when I get home, but I think I may have used MovieWiz or another such plug-in to accomplish this.

Hmm, since you've made an Anime Library plug-in, perhaps you can add support for launching external players from there (specifically for OGM and MKV).

If you want a more integrated solution in GB-PVR, I think the following are required for now:

• NVIDIA graphics with CUDA support
  
• Haali Media Splitter
  
• CoreAVC 1.9.0 or newer
  
• Direct VobSub
  

[Snooze]

I'll try to figure it out when I get home, but I think I may have used MovieWiz or another such plug-in to accomplish this.

• NVIDIA graphics with CUDA support and has PureVideo 2, 3 or 4 depending on what you want to do
  
• Direct VobSub This you dont want, thats what breaks it, its in the guide what to do, just follow it
  

If you can tell us how to use external viewers, I would be interested too. I had posted it on the wish list, but sub may not get to it.

I am gonna check out moviewiz until then though. Thanks!

[sub]

If you can tell us how to use external viewers, I would be interested too. I had posted it on the wish list, but sub may not get to it.

Sorry, but I have no plans to include built-in support for external players. There is too much I cant do when external players are used.

[Snooze]

Sorry, but I have no plans to include built-in support for external players. There is too much I cant do when external players are used.

Okidokie Smokey I will try the Moviewiz plugin.