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 PostPost subject: Bad playback on MPlayer (suddenly)        Posted: Thu Jun 07, 2007 4:52 am 
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Since a few months ago, I started to play movies (avi) with MPlayer. It is a very good player, which supports subtitles (many formats). It played the files very well. It has performed as that until yesterday.

Yesterday I wanted to view a movie and the subtitles started flickering and the image started to be a bit liquid. I thought there was a problem with the file and I started another file which had performed well a few days before. And again the subtitles were flickering. Today I opened a file and firstly it started well except from the strange subtitle flickering, but at the end of the film, it started to play like a damaged DVD (with many artifacts). I'm very sure this isn't a problem with the files, as older files play as badly as these.

(Could there be a problem with the vsnpstd.exe process?)

EDIT:I opened the file with BSPlayer and fast forwarded it to where it "crashed". It started again to play badly. But subtitles don't flicker here. Maybe the flickering is from MPlayer and the bad playback from the file?


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 PostPost subject:        Posted: Thu Jun 07, 2007 6:34 pm 
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From what you said about BSPlayer, I guess you're using Windows. Check what video output module MPlayer uses. In MPlayer's text window, you'll see a line such as
Quote:
VO: [directx] 720x480 => 720x540 Planar YV12

Check if it says directx or gdi. If it's GDI, you have no hardware acceleration for some reason. Try adding -vo directx to the MPlayer shortcut (this will force MPlayer to use DirectX). If that doesn't fix it, you can force MPlayer to use OpenGL by adding -vo gl2 to the shortcut.

The video corruption could be caused by slow disk access. Make sure DMA is enabled for your hard drive.


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 PostPost subject:        Posted: Sun Jun 10, 2007 4:22 am 
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It is using DirectX, not GDI.
And this is the error that appears in the debug (text) window during the video corruption moments:

Code:
[msmpeg4 @ 00CCC440]ac-tex damaged at 25 136800/136800  8% 13%  2.5% 0 0
[msmpeg4 @ 00CCC440]
error while decoding block: 25 x 13 (0)
[msmpeg4 @ 00CCC440]Error at MB: 558
[msmpeg4 @ 00CCC440]concealing 184 DC, 184 AC, 184 MV errors


And DMA is enabled.


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 PostPost subject:        Posted: Sun Jun 10, 2007 2:47 pm 
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Seems you have a corrupted file, and it looks like MPlayer is using Microsoft's MPEG decoder (which is known to have relatively poor error correction code) Try -vc ffmpeg. This will force MPlayer to use the FFMPEG decoder.


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 PostPost subject:        Posted: Sun Jun 10, 2007 4:28 pm 
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So the corruption problem is because of the file.
What about the subtitles flickering?

Anyway, I wanted to add that parameter to the shortcut and it gives me this message:

Image

How do I add parameters to a shortcut?


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 PostPost subject:        Posted: Sun Jun 10, 2007 5:58 pm 
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Have the shortcut entry as:
Code:
"D:\Program Files\MPlayer-1.0rc1-gui\gmplayer.exe" -vc ffmpeg

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 PostPost subject:        Posted: Sun Jun 10, 2007 6:34 pm 
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It doesn't work with FFMPEG:

Code:
Forced video codec: ffmpeg
[GUI] MessageBox: Cannot find codec matching selected -vo and video format 0x335
64944.

Cannot find codec matching selected -vo and video format 0x33564944.
Read DOCS/HTML/en/codecs.html!


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