On Thu, Feb 05, 2004 at 02:24:44PM -0500, Paul Davis wrote: > UST has defined, externally meaningful units (usecs or nanosecs) and > is guaranteed monotonic. If you two events of any kind with two UST If it is guaranteed linear, then you don't need a UST timestamp per event. > You know that the video frame N was drawn at UST U2. You know that the > audio frame S was processed (whatever that means) at UST U1. You know > that N and S should have some defined temporal relationship, measured > in the same units as UST, and inferrable from knowing video and audio > frame rates. You can therefore sync the two streams. Without UST, you > can't do this in any even vaguely simple way. I can grok that. Finally, I grok that. BuT now I don't see why you need UST per event, if it is linear, it has a defined relationship to the sample time. UST(sample) = UST_base_offset + sample * UST_per_sample ---------------------------------------------------------------------- Generalized Music Plugin Interface (GMPI) public discussion list Participation in this list is contingent upon your abiding by the following rules: Please stay on topic. You are responsible for your own words. Please respect your fellow subscribers. Please do not redistribute anyone else's words without their permission. Archive: //www.freelists.org/archives/gmpi Email gmpi-request@xxxxxxxxxxxxx w/ subject "unsubscribe" to unsubscribe