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[Gnash-commit] [bug #34867] Incorrect frame rate from dump-gnash

From: Benjamin Wolsey
Subject: [Gnash-commit] [bug #34867] Incorrect frame rate from dump-gnash
Date: Sun, 20 Nov 2011 10:05:20 +0000
User-agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.1 (KHTML, like Gecko) Ubuntu/11.10 Chromium/14.0.835.202 Chrome/14.0.835.202 Safari/535.1


                 Summary: Incorrect frame rate from dump-gnash
                 Project: Gnash - The GNU Flash player
            Submitted by: bwy
            Submitted on: So 20 Nov 2011 11:05:18 CET
                Category: gui
                Severity: 4 - Important
                 Release: master
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any



The frame rate of dump-gnash is limited to a multiple of its -d argument.

The reason is that dump-gnash polls the core every x milliseconds, where x is
specified by -d (10 by default). If it finds it should advance, it does so and
marks the time of the last advance to the *current time*. 

If the requested frame rate is 24 fps (a frame approximately every 42ms),
dump-gnash realizes every 50 ms that it should advance. The time of the last
advance isn't set to the correct 42ms point, but rather to the current 50ms
point, so that the effective frame rate is 20fps rather than 24.


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