On Fri, Feb 19, 2010 at 6:56 PM, Jonathan Thomas <[email protected]> wrote: > Dan, > Thanks for the suggestions. The "sdl_preview" worked fine. However, > I was unable to figure out the consumer.set('refresh', 1). For > example, if the video is paused for a few seconds, any resize to the > screen will make the video area disappear (not redraw). I figure the > .set('refresh', 1) method is supposed to tell the consumer to draw a > frame of video back to the sdl window? Are we sure that "refresh" is > the correct setting? It does not appear to have any effect.
Yes, refresh is correct. Are you telling the consumer to stop or setting the speed to 0 to pause it? > > On Fri, Feb 19, 2010 at 3:59 PM, Dan Dennedy <[email protected]> wrote: >> On Fri, Feb 19, 2010 at 12:13 PM, Jonathan Thomas >> <[email protected]> wrote: >>> Dan, >>> >>> We do not use melt for rendering, only to determine which audio and >>> video codecs are installed. We have a single video thread, that >>> either hooks up to a sdl consumer for previewing or a avformat >>> producer for rendering. So, I'm not sure if I need to add the >>> NO_VDPAU flag. What would you suggest? >> >> No, do not worry about it unless you want to give users a preference >> setting to turn it off to aid with troubleshooting or workaround >> incompatibility. >> >>> We have a bug report on LaunchPad explaining how to upgrade >>> libsdl1.2debian to version 1.2.14. Other than that, we do not have >>> much recommending that users upgrade. >> >> OK, just wondering as a result of a Kdenlive support issue. >> >>> I was unaware that the sdl_preview consumer existed. =) You might >>> have told me before, now that you mention it, but that sounds much >>> better than the sdl consumer. I had noticed that sdl just never lets >>> up on the CPU. I will see if I can't integrate the sdl_preview into >>> version 1.1 of OpenShot, before we release it. >> >> Yeah just .set('refresh', 1) when needed when paused and seeking or >> adjusting effect param. >> >>> Thanks for the feedback! >>> -Jonathan >>> >>> On Fri, Feb 19, 2010 at 12:02 PM, Dan Dennedy <[email protected]> wrote: >>>> Are you running melt or a separate child process to render? If so, did >>>> you heed my warning and set the MLT_NO_VDPAU environment variable? >>>> >>>> Finally, how are you recommending Ubuntu 9.10 users get the >>>> libsdl1.2debian v1.2.14 from the luci repo that fixes the video >>>> display issues on some systems? >>>> >>>> I will try to get around to some testing myself. One thing I noticed >>>> recently is that you are using the sdl consumer and not the >>>> sdl_preview. sdl_preview is not a perfect drop-in replacement - you >>>> will need to add set-property calls to tell it when to refresh. >>>> Basically, when you are paused, sdl continually updates the frame >>>> using CPU during what appears to be an idle state, but sdl_preview >>>> does not. sdl_preview also gets off of the XVideo port when paused so >>>> another media player can obtain it for better quality video playout >>>> making it more friendly in a multi-tasking desktop environment >>>> overall. >>>> >>>> -- >>>> +-DRD-+ >>>> >>> >> >> >> >> -- >> +-DRD-+ >> > -- +-DRD-+ _______________________________________________ Mailing list: https://launchpad.net/~openshot.developers Post to : [email protected] Unsubscribe : https://launchpad.net/~openshot.developers More help : https://help.launchpad.net/ListHelp
