Bug #208
Video is corrupted on Snow Leopard
| Status: | Assigned | Start: | ||
|---|---|---|---|---|
| Priority: | Normal | Due date: | ||
| Assigned to: |  Adrian Stutz |
% Done: | 0% |
|
| Category: | mplayer_binaries | |||
| Target version: | undetermined | |||
| Votes: | 0 |
Description
It looks like something is wrong with the upsaling of videos on Snow Leopard. Everything was OK with the same MPlayer OS X Extended on Leopard. See the attached screenshots. The video is OK in other players, like QuickTime+Perian and in windowed mode of MPlayer OS X Extended.
I have a MacBook with an Intel GMA950 GPU.
History
Updated by anonymous - 11 months ago
http://gk.lka.hu/x/mplayer_bug_1.png
http://gk.lka.hu/x/mplayer_bug_2.png
(I couln't attach them because they were too big.)
Updated by Adrian Stutz 11 months ago
I think this is a duplicate of issue #205.
To make sure, try to disable the screenshot filter (Preferences > Display > Screenshots: Disabled) and the distortion should go away.
Updated by Adrian Stutz 11 months ago
- Category changed from none to mplayer_binaries
- Status changed from New to Assigned
- Priority changed from High to Normal
Updated by Anonymous 11 months ago
Adrian Stutz wrote:
I think this is a duplicate of issue #205.
To make sure, try to disable the screenshot filter (Preferences > Display > Screenshots: Disabled) and the distortion should go away.
I have disabled it but the disortion is still here. I think it is something to do with the GMA 950. I use an external monitor beside my internal display. I think the actual scaling method requires more power than the GPU has. Maybe some finetuning should help.
PS: I tried the latest mplayer svn build (I built it for myself, using the default configure options), an it is OK, no disortions at scaling.
Updated by Adrian Stutz 11 months ago
Anonymous wrote:
I think the actual scaling method requires more power than the GPU has.
PS: I tried the latest mplayer svn build (I built it for myself, using the default configure options), an it is OK, no disortions at scaling.
I don't think a stressed GPU could make such distortions. The framerate would drop but there shouldn't be anything wrong with the picture. Besides, scaling video shouldn't even come near GPU performance limits on modern GPUs, even on underpowered ones like the GMA 950.
Did you try your build by dropping it into Extended, i.e. with the very same options?
The other video corruption mentioned above is only triggered by a set of options and doesn't show if you play a video normally from the command line.
Updated by Lukáš Polívka about 1 month ago
Hi
I think I get the same distorted video in fullscreen (not windowed mode) on my shiny new external display (HP ZR24w @1920x1200 hooked up via DVI). MacBook w/ GMA950 running Snow Leopard with all updates. MPlayer rev14-test2. Tried disabling screenshots, official mplayerox core w/ and w/o ffmpeg-mt and mplayer.git.
The problem seems mostly to go away when I lower the resolution to e.g. 1280x800 (I can still see it for a moment in some scenes). It goes away completely when I move the playback to the internal display (1280x800).
(I'm really disappointed with GMA950 drivers… :/ Even most standard-definition (DVD resolution) videos stutter in 1920x1200. Tested with mplayerosx and VLC.)