On Tue, Jun 7, 2011 at 6:01 AM, Maksym Veremeyenko <[email protected]> wrote: > hi, > > i am trying to fix behavior of decklink consumer and want to ask about > some specific question regarding consumer arch. > > 1. each frame (result returned by mlt_consumer_rt_frame) contains video > frame and audio sample, right? does they sync and have same duration?
yes > 2. if we do some seek or pause or fast forward operation, does it > handled by consumer upper level, i.e. consumer still > mlt_consumer_rt_frame for next frame (audio + video)? I do not fully understand the question, but I think the answer is yes. > should consumer mute audio data itself for such condition? When the frame's speed property is not 1.0, then a consumer may choose to mute the audio. > 3. i noticed that framerate and fps parameters are float, does it handle That is a broad claim. On the profile, the numerator and denominator are stored separately. > proper rounding for samples count calculation? If you mean mlt_frame.c:mlt_sample_calculator() then yes. > decklink for example prefer 30.0 instead of 29.97 or even rational 30000/1001? What does that mean "it prefers 30.0 instead of 29.97?" That sounds silly, and I do not seem to recall the decklink SDK imposing that anywhere. -- +-DRD-+ ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Mlt-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mlt-devel
