Test

Fix dvr mp4 bugs #3619

Job	Run time
cygwin64-cache	1m 44s
utest-regression-blackbox-test	9m 32s
multiple-arch-aarch64	22m 52s
multiple-arch-armv7	22m 3s
fast	2s
cygwin64	13m 39s
build-cross-arm	5m 14s
build-cross-aarch64	5m 7s
build-centos7	4m 59s
build-ubuntu16	3m 8s
build-ubuntu18	3m 16s
build-ubuntu20	3m 40s
coverage	3m 33s
multiple-arch-amd64	2m 21s
test-done	1s
	1h 41m 11s

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