add --inloopfilters to enable/disable postfilters dynamically

(To be used alongside --filmgrain.)

Addresses part of #310.
26 jobs for fix310 in 8 minutes and 41 seconds (queued for 15 seconds)
latest
Status Job ID Name Coverage
  Style
passed #337482
amd64 debian
style-check

00:00:30

 
  Build
passed #337483
amd64 debian
build-debian

00:00:37

passed #337491
debian aarch64
build-debian-aarch64

00:01:14

passed #337492
debian aarch64
build-debian-aarch64-clang-5

00:01:00

passed #337495
debian armv7
build-debian-armv7

00:02:30

passed #337496
debian armv7
build-debian-armv7-clang-5

00:01:32

passed #337498
docker ppc64le
build-debian-ppc64le

00:00:43

passed #337484
amd64 debian
build-debian-static

00:00:38

passed #337494
debian aarch64
build-debian-werror

00:00:35

passed #337485
amd64 debian
build-debian32

00:00:39

passed #337493
macos
build-macos

00:00:30

passed #337497
amd64 debian
build-ubuntu-snap

00:00:42

passed #337489
amd64 debian
build-win-arm32

00:00:25

passed #337490
amd64 debian
build-win-arm64

00:00:30

passed #337486
amd64 debian
build-win32

00:00:49

passed #337487
amd64 debian
build-win32-unaligned-stack

00:00:42

passed #337488
amd64 debian
build-win64

00:00:50

 
  Test
passed #337499
amd64 debian
test-debian

00:00:59

passed #337505
debian aarch64
test-debian-aarch64

00:02:10

passed #337507
debian armv7
test-debian-armv7-clang-5

00:03:08

passed #337501
amd64 debian
test-debian-asan

00:02:35

passed #337502
amd64 debian
test-debian-msan

00:01:19

passed #337506
docker ppc64le
test-debian-ppc64le

00:01:08

passed #337503
amd64 debian
test-debian-ubsan

00:01:38

passed #337500
amd64 debian
test-debian-unaligned-stack

00:00:59

passed #337504
amd64 debian
test-win64

00:00:59