pts=0|tag:lavfi.readvitc.found=1|tag:lavfi.readvitc.tc_str=05:01:02:20
pts=1|tag:lavfi.readvitc.found=1|tag:lavfi.readvitc.tc_str=05:01:02:21
pts=2|tag:lavfi.readvitc.found=1|tag:lavfi.readvitc.tc_str=05:01:02:22
pts=3|tag:lavfi.readvitc.found=1|tag:lavfi.readvitc.tc_str=05:01:02:23
pts=4|tag:lavfi.readvitc.found=1|tag:lavfi.readvitc.tc_str=05:01:02:24