Le dimanche 04 octobre 2015 à 21:49 +0300, Sakari Ailus a écrit : > I think the GStreamer > v4lsrc tries very small and very large values. The driver will clamp > them to > a supported values which are passed to the application from the > IOCTL.
In GStreamer we try ENUM_FRAMESIZE, and when no supported, we fallback to try_fmt() with 1x1 (driver will raise it to the minimum) and then MAX,MAX (driver will lower it to the maximum). We assume that the driver supports a range, as iterating over all possibilities takes too much time. Nicolas
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