On 01/08/08 15:00 -0400, Mikus Grinbergs wrote: > G1G1, Joyride 2241. In one Terminal session started mplayer -- it > was playing a movie. Went to another Terminal session, and entered > some commands. Noticed that not all of the text on that screen was > equally distinct - some of it was paler than others. Noticed that > *which* text was paler changed from second to second. Realized that > the paler text in the second Terminal screen corresponded to the > *brightest* areas of the movie frame then being shown in the first > Terminal screen (the one I had switched way from).
Video is muxed to the visible screen through the use of a color key - given a rectangle of some size, the hardware compares all of the pixels in that rectangle against a set color - if they match, then a pixel of the video frame is shown, otherwise not. The color is specified by the video application - most applications use very saturated colors similar to those used in "green" or "blue" screens. My favorite is hot pink (0xFF00FF). IIRC, mplayer uses an off-shade color of grey, so it is easier to run into the possibility that other applications will match the color key, especially with automatic shading such as anti-aliasing. Nothing to worry about - just a fun little side effect of video acceleration. Jordan -- Jordan Crouse Systems Software Development Engineer Advanced Micro Devices, Inc. _______________________________________________ Sugar mailing list Sugar@lists.laptop.org http://lists.laptop.org/listinfo/sugar