GNOME Bugzilla – Bug 755665
Add support for rolling headers and clock update in the teletext decoder
Last modified: 2018-11-03 13:40:49 UTC
Created attachment 312204 [details] [review] Add support for rolling headers and clock updates in teletextdec This patch adds support for rolling headers and clock updates in the teletext decoder's RGBA output mode. Thus, the behaviour is now quite similar to what can be seen with analogue TVs : * Right after turning on the decoder, only the rolling header is displayed, while the page content is blank. * After finding the page, only the clock is updated. * When changing the requested page, the content of the old page is still displayed, but the header shows rolling page numbers. The patch requires applying the patch porting the teletextdec element to 1.0, which I posted previously.
Hi Daniel, thanks for splitting this from the port. It's better than the first approach, but I see still 2 problems: 1) it doesn't realize already cached pages and waits for a page update instead of showing the cached page immediately 2) header colors still changes (pages with different teletext levels), maybe always use the color from the index page? The ev.ttx_page.clock_update looks not reliable here: the clock jumps here over several seconds.
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