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liveadder sometimes calculates the offsets incorrectly before adding. The resulting errors can easily be heard when mixing silence with a sine. I'm not sure what the exact conditions are to trigger this, but it definitively happens when the buffers of two streams have a different duration and buffer length and duration don't match exactly for one stream because of rounding errors (e.g. duration=0:00:00.021333333) I have to admit, I got lost in the math somewhere but it seems that not rounding in gst_live_adder_length_from_duration() causes 1 sample overlaps in consecutive buffers from the same stream. When using gst_util_uint64_scale_int_round() instead of just truncating the sine sound correctly again. https://bugzilla.gnome.org/show_bug.cgi?id=708345 |
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liveadder.c | ||
liveadder.h | ||
Makefile.am |