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Frame Drops with "video-sync=display-resample" #6271

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Nojevah opened this issue Nov 2, 2018 · 3 comments
Closed

Frame Drops with "video-sync=display-resample" #6271

Nojevah opened this issue Nov 2, 2018 · 3 comments
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@Nojevah
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Nojevah commented Nov 2, 2018

mpv version and platform

Shinchiro nightly Windows x64 build: 0.29.0.77 - 27/10/2018
Windows 10 x64 1803
Geforce 750

Reproduction steps

First, I don't think it's a bug, but I prefer to ask here in order to understand:

  1. Use "video-sync=display-resample"
  2. Play this video: https://drive.google.com/open?id=1qiSbjLt3dTILnfhoQ-EHx1Dm786HABbb (85MB; temp link I'll removed when I'll get explanation)
    Sorry, it is a Google Drive link. :/
  3. Look at stats

Expected behavior

No frame drops

Actual behavior

I have frame drops

Log file

https://pastebin.com/fv2jPrRX

Sample files

Screenshots with dropped frames:
https://i.imgur.com/uAjvHU5.jpg

@dnmTX
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dnmTX commented Nov 2, 2018

@Nojevah yours is kind of fine,it's normal to see some frame drops at the beginning of the video when using d3d11(based on my observations).
It's much worse when using:
gpu-api=vulkan
gpu-context=winvk
hwdec=nvdec
vulkan-swap-mode=fifo
combined with:
video-sync=display-resample
capture

I might have to go back using d3d11 as the frame drops are not constant and the jitter is much less(when in full screen)

@Nojevah
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Nojevah commented Nov 2, 2018

It's not just the beginning. It's for the whole movie. I just cut a part of the movie in order to have a smaller size.
I forgot to write my config:

profile=gpu-hq
video-sync=display-resample
interpolation=yes
gpu-context=d3d11
gpu-api=d3d11
hwdec=d3d11va
vf=d3d11vpp=deint=yes:interlaced-only=yes

but only video-sync=display-resample makes a difference. I have a Geforce 750 and Windows 10 1803 x64.
I don't have any problems with other videos (despite bigger bitrate), It's this video only. So we could think it's the video, but it runs fine with madVR and SmoothMotion (a variant of display-resample).

@Akemi Akemi added the os:win label Sep 20, 2019
@Nojevah
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Nojevah commented Mar 28, 2020

Let's close this. I guess it's the file which is badly encoded, since I haven't met another video having the same behavior.

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