- floating point support in als decoder
- fifo muxer
- maskedclamp filter
+- hysteresis filter
+- lut2 filter
+- yuvtestsrc filter
+- vaguedenoiser filter
+- added threads option per filter instance
+- weave filter
+- gblur filter
+- avgblur filter
+- sobel and prewitt filter
version 3.1: