MPlayer shows grey screen with a few color artifacts

[BobAchgill]

Smaller frame size video plays fine in Media Player that comes with the Flash card system I use but when the video is re-encoded to larger frame size (640x480) it shows a grey screen with just a few color artifacts at the top of the screen. Sound still plays OK.

When I use the current version of MPlayer to play the same video, no problem.

Is there a setting that I can use to make MPlayer not do the "grey screen" on the larger frame size?
I would like a work-a-round till the author of the Flash card system upgrades to the latest MPlayer.

Thanks!
Bob

[poisondeathray]

If this is related to your other thread, the older mplayer binaries cannot handle decoding yuv444p (aka YUV 4:4:4), only yuv420p (aka YUV 4:2:0) .

So you would have to encode your videos with yuv420p

Can you just drop in a new binary into your program? (maybe rename it?)

[BobAchgill]

How do I get to see those choices using something like Video to Video to convert? I like that one because it is simple (albeit too simple if I can't control this feature of encoding ) and has batch capability.

[poisondeathray]

If there is an extra commandline box in that GUI for ffmpeg , you need to enter "-pix_fmt yuv420p" (without the quotes)

Or use some other ffmpeg GUI. Tencoder can batch convert a folder and has access to commanline. I think winff can too

Or it's pretty simple to write a dos batch file for ffmpeg

[BobAchgill]

The FFMPEG job that created the initial video that has the culprit 4:4:4 used this parameter to encode... -vcodec libx264 -vf

What would -vcodec would be be better to use... is there one that would be readily playable on Windows, Mac and Androids but still be 264 quality... and not produce the 4:4:4 problem?

[BobAchgill]

The FFMPEG job that created the initial video that has the culprit 4:4:4 used this parameter to encode... -vcodec libx264

What -vcodec would be better to use... is there one that would be readily playable on Windows, Mac and Androids but still have 264 quality... and not produce the 4:4:4 problem?

[poisondeathray]

you want to use -vcodec libx264, but with -pix_fmt yuv420p

[BobAchgill]

It worked great, Thanks!!

I plugged it in on the extra params line on Video to Video and it produced the 4:2:0.

Thanks a million!
Bob