Smart render

[erdna]

etech6355 suggested to turn off smart render in order to avoid lock-up problems with rendering. When going straight to "create disc" (no video file creation), there is no option to change smart render. Does this mean it is on or off by default? I am asking this question because I got a lock-up problem with a video file creation, and after turning off smart render the problem was gone. So I don't want to potentially lose time ( e.g. redo a long project rendering) when going straight to the burning module- which I find works very well- and get a lock up because smart render would be on by default in this creation mode.

[Trevor Andrew]

Smart Render is turned on by default.
I do not think there is an option in the burner module to turn off smart render.

Smart render, renders fully the parts that have been edited, ie with changes.
Un edited sections being quickly rendered.

As far as i know--------If you change the bit rate, then every frame must be rendered. Effectively turning off smart render.

Whether you use Share Create Video File or go direct to the burner module Share Create disc, a video file will be created. This is needed to burn the DVD.

I prefer to use Share Create Video File.

[Ken Berry]

Andre -- you need to tell us whether this is yet another of your experiments with AVCHD. If so, that is what etech was basing his advice on, I am pretty sure. And dealing with AVCHD is quite different from dealing with standard definition video. So asking a question like that and getting answers that apply potentially to standard definition, could be misleading many standard definition users.

[erdna]

Indeed Ken, it's all about AVCHD experiments. I did several VS11.5+ tests and I must confess, regarding the smart render, that I don't remember if the lock-up occured when rendering to a AVCHD file using the native bitrate (!6Mbs in my case) or 18Kbs which seems default for 1920x1080 (also my cam's recording format). One thing I know that it was a 7' file with lots of crossovers, a dynamic title and an extra audio channel. Each time I tried to render, it stopped always at 44% while doing audio video mix. Finally I turned off the smart rendering, and the problem was gone. I also wanted to evaluate the native bitrate route vs 18Mbs. I didn't notice any quality difference, and in both cases the final result ran at ~16Mbs (scene dependant). Only when "do not re-encode..." was unchecked, and burning with constant 18Kbs in the burning module, the bitrate was near 18Mbs but no "better" results. I use PowerDVD8 for getting the bitrates. I also bured disc using Sony's MC5 recorder and also using the AVCHD module in Sony's Picture Motion Browser. When played with PowerDVD the bitrate was again about 16 Mbs but I think (I am not shure!) the quality (resolution and contrast) was slightly better than with my VS11 results, especially when played trhough Sony's AVCHD player. The Oxigen AVCHD player, which I also evaluated, looks less performing.. Next step will be shooting some test images (zoneplate...), and maybe getting a blu-ray player to evaluate on my full HDTV with the native footage on my cam, connected through HDMI as a reference.