ulf.schroeter Posted April 3, 2011 Share Posted April 3, 2011 Problem Fixed FPS rendering of WidgetSpriteViewport for video grabbing does not seem to work properly. See following video grabbing of provided test case where main scene and sprite viewport where both set to fixed frame rate of 60 FPS via setIFps( 1.0f / 60.f ). While main scene renders smoothly, sprite viewport shows inconsisten frame rate during video grabbing. Also it seems like WidgetSpriteViewport renders by default at different (fixed 25 FPS) frame rates than main view. I think this behaviour should better be disabled by default as users normally expect same main and viewport update rates. If user requires different frame rates this can be explicitly set via setIFps() viewport-videograbbing-bug.zip Link to comment
serega Posted April 7, 2011 Share Posted April 7, 2011 Thanks for test scene. Assigned to devs. Link to comment
ulf.schroeter Posted May 31, 2011 Author Share Posted May 31, 2011 Thanks for test scene. Assigned to devs. has this been fixed ? Link to comment
necris Posted November 6, 2012 Share Posted November 6, 2012 Hi Ulf, Is there still a problem? Link to comment
ulf.schroeter Posted November 6, 2012 Author Share Posted November 6, 2012 The default 25 FPS frame rate for WidgetSpriteViewport has been fixed in the meantime (WidgetSpriteViewport now renders at same frame rate as main window). I don't know If this fix also solves the video grabbing de-sync problem when main window is set to a fixed frame rate via setIFps(). You could verify this with the provided test scene above (passed some time since the bug report). Link to comment
necris Posted November 6, 2012 Share Posted November 6, 2012 Many thanks, Ulf We'll check it. Link to comment
necris Posted November 15, 2012 Share Posted November 15, 2012 Sorry for the delay, Ulf. Issue was reproduced and passed to the developers. Thanks for feedback! Link to comment
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