The VideoLAN Forums

You should create a new ticket on the VLC Trac with your above report, links to some sample files and the link to this thread:
https://trac.videolan.org/vlc/

Thanks and I will try it.

MoreInfo about the video can't play well General Format : Matroska Format version : Version 2 Overall bit rate : 13.2 Mb/s Video ID : 2 Format : AVC Format/Info : Advanced Video Codec Format profile : High@L5 Format settings : CABAC / 5 Ref Frames Format settings, CABAC : Yes Format settings, Refere...

Dear who concern: For some “mp4” video, LibVLC 4.0.0 Dev(nightly build) doesn’t work well. It works well using LibVLC 3.0.11(Released) . Some Log for LibVLC 4.0.0 when playing mp4 file direct3d11 vout display debug: Direct3D11 resources created direct3d11 vout display debug: Direct3D11 display adapt...

For the first video: When I disable hw acceleration as your(@chubinou) advide (pass --no-hw-dec), The same with before, It seems that hardware acceleration doesn't open correctly.--> CPU using is the same as before. 2) When disable hw acceleration and play second video. the picture comes out, but it...

Thank you for the links FL53. Indeed I already know the callbacks lock/unlock but it is not the most efficient, I mean there are copies between gpu and cpu. I would like to have a zero copy pipeline, in other words stay on gpu in the whole pipeline. You need a patch to libVLC to do that. Hi, is the...

Hi, check in doc/libvlc/sdl_opengl_player.cpp. When run this example, it's founded that the CPU using is so high than normal relaesed player. Is there any more information on Why the CPU using growth so high and the video play is not smooth. There is more info at https://forum.videolan.org/viewtopi...

https://github.com/videolan/vlc/blob/ma ... player.cpp

I try this example, however it not works well as expect. Here is more informaiotn https://forum.videolan.org/viewtopic.php?f=14&t=155928
Is there more inforamation about this example.

File: https://github.com/videolan/vlc/tree/master/doc/libvlc /sdl_opengl_player.cpp Platform: Windows OS: Win7 x64 LibVLC:4.0.0 Dev Nightly Build This example doesn’t work well as expect. sdl_opengl_player using of CPU is about 30% When Playing mp4 file 1080p@30Hz with an Intel i5 laptop, However, i...