Em 09-10-2010 09:33, Devin Heitmueller escreveu: > On Sat, Oct 9, 2010 at 12:31 AM, Paul Walmsley <paul@xxxxxxxxxxx> wrote: >> >> When digitizing composite video from a analog videotape source using the >> TVP5150's first composite input channel, the captured stream exhibits >> tearing and synchronization problems[1]. >> >> It turns out that commit c0477ad9feca01bd8eff95d7482c33753d05c700 caused >> "TV mode" (as opposed to "VCR mode" or "auto-detect") to be forcibly >> enabled for both composite inputs. According to the chip >> documentation[2], "TV mode" disables a "chrominance trap" input filter, >> which appears to be necessary for high-quality video capture from an >> analog videotape source. [ Commit >> c7c0b34c27bbf0671807e902fbfea6270c8f138d subsequently restricted the >> problem to the first composite input, apparently inadvertently. ] > > FYI: This isn't a newly discovered issue: > > http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg13869.html Yeah. I basically asked people to do more tests, but never got any feedback about that issue. Provided that it won't break anything, I'm ok on merging it. Cheers, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
