VLC settings for Chromecast (render)

About encoding, codec settings, muxers and filter usage
Texans
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VLC settings for Chromecast (render)

Postby Texans » 10 Mar 2019 19:37

I use vlc render for chromecast. Is there someone that have good configuration (deinterlacing,video codificator,filters,...) to avoid annoying horizontal lines especially with fast images (example football match)? With "static" images basic configuration are very good...Problems start with fast images.

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Re: VLC settings for Chromecast (render)

Postby Jean-Baptiste Kempf » 10 Mar 2019 19:47

Are those interlaced videos?
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Re: VLC settings for Chromecast (render)

Postby Texans » 10 Mar 2019 19:54

They are football free live matches...I want to transfer live match from pc to my TV (bedroom).

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Re: VLC settings for Chromecast (render)

Postby Jean-Baptiste Kempf » 10 Mar 2019 20:04

Look in the Codec dialog (Ctrl+I) if those are interlaced.
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Re: VLC settings for Chromecast (render)

Postby Texans » 10 Mar 2019 20:23

They are 1080p or 720p (not 1080i/720i). I not found other indication...

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Re: VLC settings for Chromecast (render)

Postby Jean-Baptiste Kempf » 10 Mar 2019 21:03

Are you sure?
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Re: VLC settings for Chromecast (render)

Postby Texans » 11 Mar 2019 17:34

Problem happens on the TV after I transfer images via ethernet (chromecast vlc render). When I watch the game on the PC directly from vlc the problem does not occur...Perhaps a problem originating from the transfer via LAN (fast image and ball (appear/disappear) when it is kicked), however images are fluid.

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Re: VLC settings for Chromecast (render)

Postby Jean-Baptiste Kempf » 12 Mar 2019 13:48

Live sport is often interlaced. So that is weird.
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Re: VLC settings for Chromecast (render)

Postby unidan » 12 Mar 2019 15:47

Can you try increasing the Conversion quality for chromecast in the parameters ?

Otherwise do you have logs? those glitch might somehow appear in them:
To help you, we need messages, to completely understand what your problems is.
To fix this, please be sure before you start the playback to:
  1. Open: Tools -> Messages.
  2. Set Verbosity to 2
  3. Start playback to reproduce your issue
  4. Save text in a file or copy into clipboard
  5. Then paste the full resulting log here between [​code]and[​/code] (or use Pastebin.com if it's too long)
Also don't forget to name your Operating System and provide the VLC media player version.

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Re: VLC settings for Chromecast (render)

Postby Texans » 12 Mar 2019 17:37

Today i'm not at home. Tomorrow i try...

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Re: VLC settings for Chromecast (render)

Postby Texans » 13 Mar 2019 21:40

I correct what i said to Jean-Baptiste Kempf... videos are in 1920x1080i25 so i don't know if problem can be solved. However in both cases below, ball appears and disappears with glitches.

On my PC i see well...no glitches...

i use windows10 and vlc-3.0.6-win64 (default settings)

This is my massage with

deinterlacing (Automatic/Auto)

https://pastebin.com/BaER2W3k

deinterlacing (Active/Yadif 2x)

https://pastebin.com/4YQqZU9U

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Re: VLC settings for Chromecast (render)

Postby Jean-Baptiste Kempf » 14 Mar 2019 10:42

Yes, the Chromecast does not know how to render interlaced streams. You need to re-encode for this.

Can you open a bug on our side?
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Re: VLC settings for Chromecast (render)

Postby Texans » 14 Mar 2019 19:19

Now I try to open a report in VLC bug tracker.

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Re: VLC settings for Chromecast (render)

Postby Texans » 25 Apr 2019 15:31

I tried vlc 3.0.7-nightly and seems that now Chromecast knows how to render interlaced streams. I hope that it's not an impression...

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Re: VLC settings for Chromecast (render)

Postby Texans » 25 Apr 2019 16:09

Viewing more games the problem has not been solved yet

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Re: VLC settings for Chromecast (render)

Postby hunnypuppy » 16 May 2019 02:47

On a related note, is there a way to use QuickSync for hardware accelerated encoding since VLC has to recode the video to stream it to Chromecast.
Example, I have a H.265 video which I'm streaming to Chromecast. So VLC is converting it to H.264 (I assume) and I have QuickSync. I understand that VLC uses FFMPEG to recode the video and ffmpeg supports QuickSync (h264_qsv). Is there a way to tell VLC to use the hardware QSV encoder?


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