tests: Fix gray10 and gray12 references after c1616b45.

tests/ref/fate/filter-pixdesc-gray10be

-pixdesc-gray10be    31ec79454c48ea5a0f1c32191003817b
+pixdesc-gray10be    987bee0355054fcfc915e1e41aad523a

tests/ref/fate/filter-pixdesc-gray10le

-pixdesc-gray10le    d6479ab09c35ef7e51149a064a14aa20
+pixdesc-gray10le    674bed2aa8686b78dd5fa4b15c15c655

tests/ref/fate/filter-pixdesc-gray12be

-pixdesc-gray12be    13d6d8d2656fdccb8bcb9a4c573fc1f7
+pixdesc-gray12be    29aeecc116c4b3e0c5109810fbd9ca17

tests/ref/fate/filter-pixdesc-gray12le

-pixdesc-gray12le    9e42f419cdf05b2bfc8760520767f759
+pixdesc-gray12le    030882d5b4a502210644f2d520f7b92c

tests/ref/fate/filter-pixfmts-copy

@@ -37,10 +37,10 @@ gbrp16le            fb9323a5bd060282bec7bfd7d38dc230
 gbrp9be             a4dc6f6f9bb051de2dc348b592ad4282
 gbrp9le             699da3a3b324f3fd001a56aee9683384
 gray                188590b1231afd231ea910815aef2b25
-gray10be            ec0165c4db266afa2fc4320ad8e0e56f
-gray10le            2cb482107f83ffbd3b436cc5f4509bbd
-gray12be            fb9c00496453d233d2f0f0f81141bc31
-gray12le            c3cccaeb21ed9b894f9ef99ebebaf1cd
+gray10be            d486558ecd2e27afc17930be861f0e4c
+gray10le            917d687103b2adcca7132bfc070ca54a
+gray12be            9685614450f1282be433d2b07234ca1f
+gray12le            2700bd7fb3fea56e54eb03e31d6d4e57
 gray16be            08d997a3faa25a3db9d6be272d282eef
 gray16le            df65eb804360795e3e38a2701fa9641a
 monob               8b04f859fee6a0be856be184acd7a0b5

tests/ref/fate/filter-pixfmts-crop

@@ -37,10 +37,10 @@ gbrp16le            0768a2462783829f63ed0bfd53d01222
 gbrp9be             4af43999e5e9742992b6550ea5ad9b23
 gbrp9le             b4cbfa7878706a14295f09212e41f7fe
 gray                0d70b54b4b888ec4dbd89713620ac1ee
-gray10be            2cd8f513c7dea95071724d3688e9d35f
-gray10le            f717c4cea12f5631b018f060e91fe4a8
-gray12be            ffc8ec5de51e2998d666a5e209d1f7f5
-gray12le            548dc0885922d2f5898a904b40287b92
+gray10be            18ed76cab145ab9058cc353fcec6d3c4
+gray10le            fd83f7489880160783ddb125615b4638
+gray12be            472700c26cc49b8d5f74af141f6a0d38
+gray12le            4f6537fe1f32b3963350f8c435009433
 gray16be            38f599da990224de86e3dc7a543121a9
 gray16le            9ff7c866bd98def4e6c91542c1c45f80
 nv12                92cda427f794374731ec0321ee00caac

tests/ref/fate/filter-pixfmts-field

@@ -37,10 +37,10 @@ gbrp16le            0ab77b498d4a39905515b6e1f0329ed2
 gbrp9be             170da3a8644cbea61c3caeadc45354c5
 gbrp9le             da5d80e6f12cabaa7081bb85d3b7fd30
 gray                57fd8e6e00f6be8752726005974cce1b
-gray10be            d5aa92977735c97c4e797eda9d202610
-gray10le            08b5dcf0647bef7de959d86e126cab08
-gray12be            cb75ba58b07cdf33fb3a75f6c1f139eb
-gray12le            a243f45461d946e70c5a7f3f8eff37f1
+gray10be            437713f3d081238cddb738e106e5a27d
+gray10le            c749b80049b152f4ba3e66a72c0c5acc
+gray12be            d34c50810b37e6f97dffdf6a8ab958de
+gray12le            cf71b8fee47ce7821f3ae9f9b62ae39a
 gray16be            e1700e056de9917744a7ff4ab2ca63fd
 gray16le            338de7ac5f7d36d5ad5ac2c8d5bbea68
 monob               2129cc72a484d7e10a44de9117aa9f80

tests/ref/fate/filter-pixfmts-fieldorder

@@ -37,10 +37,10 @@ gbrp16le            c7813a905f94aabb2bcade79c9b7e39e
 gbrp9be             b8d294d4bc81ceef1fb529e917c02e48
 gbrp9le             0d42cc9e222d806c33172781b45cb3e3
 gray                d96e0f1c73d3f0b9506d691b5cd36c73
-gray10be            d157ded38406236cc47df508e3885c0b
-gray10le            c12814b86d79eabb0e9b74db376deb91
-gray12be            37950a95be3ada46b6404b1e1860fd93
-gray12le            c7431f01abd6e639bab036a46a18e423
+gray10be            c26c73de96b630f1207ff589b6553ebd
+gray10le            16e4db1d611ec3fa5c9fd8fbdbf1ffcc
+gray12be            1c3285c150e1dddcf0fbee405cfb068e
+gray12le            a57b6199f5690add0ac0150fa95c4988
 gray16be            293a36548ce16543494790f8f7f76a05
 gray16le            84f83f5fcbb5d458efb8395a50a3797e
 rgb0                2e3d8c91c7a83d451593dfd06607ff39

tests/ref/fate/filter-pixfmts-hflip

@@ -37,10 +37,10 @@ gbrp16le            6ce6093b24d09c0edcd55b2d6fec89a0
 gbrp9be             174de037c2a9f2b6fb4d9444ae0ff82f
 gbrp9le             ba7c2631fb2967aa909c66509bd243fe
 gray                8bd4ece1dbf89b20ee785e0515356e07
-gray10be            346df425b2596cf7135e390cc6bdae55
-gray10le            09cb19695333bd93d8de51cffe76e0bb
-gray12be            aff18f944e023a767c59357eb362fab2
-gray12le            6a50f886754a32a01254bddbb0823880
+gray10be            160dd03e30d33379de92c70ee52c01fd
+gray10le            6baac1da6be3789409b67cd506afe7da
+gray12be            de7b5ef4b513e7e8270c617249d1cbdf
+gray12le            e8d0739ff61649bd82722b3134cbe776
 gray16be            cf7294d9aa23e1b838692ec01ade587b
 gray16le            d91ce41e304419bcf32ac792f01bd64f
 nv12                801e58f1be5fd0b5bc4bf007c604b0b4

tests/ref/fate/filter-pixfmts-il

@@ -37,10 +37,10 @@ gbrp16le            c95c9d7c2b19826b73ff1811d9fe6bdb
 gbrp9be             f029d87fa642f4261160471ad27fd53f
 gbrp9le             b310d3cf37f7b41d706155993f8f0584
 gray                52ae18648161ac43144f5c9cd2127786
-gray10be            5fac9aaf52ae576537c01dc9153db0f8
-gray10le            5b1db7de7484f67cbb1313faa0e82cee
-gray12be            cbff647cbf9693e95ce67ee663447afa
-gray12le            e44a1ed1755441ecf07ad7dbe2e033fa
+gray10be            8400dec0eefb172849b785d35fc55674
+gray10le            b7d6e49e8d1291f2b0a57d55e9478ef1
+gray12be            c62bc3def5ea217dfb68433905cb9d64
+gray12le            5bd0fef836928e1e19a315782a8c1302
 gray16be            92c3b09f371b610cc1b6a9776034f4d0
 gray16le            1db278d23a554e01910cedacc6c02521
 monob               faba75df28033ba7ce3d82ff2a99ee68

tests/ref/fate/filter-pixfmts-null

@@ -37,10 +37,10 @@ gbrp16le            fb9323a5bd060282bec7bfd7d38dc230
 gbrp9be             a4dc6f6f9bb051de2dc348b592ad4282
 gbrp9le             699da3a3b324f3fd001a56aee9683384
 gray                188590b1231afd231ea910815aef2b25
-gray10be            ec0165c4db266afa2fc4320ad8e0e56f
-gray10le            2cb482107f83ffbd3b436cc5f4509bbd
-gray12be            fb9c00496453d233d2f0f0f81141bc31
-gray12le            c3cccaeb21ed9b894f9ef99ebebaf1cd
+gray10be            d486558ecd2e27afc17930be861f0e4c
+gray10le            917d687103b2adcca7132bfc070ca54a
+gray12be            9685614450f1282be433d2b07234ca1f
+gray12le            2700bd7fb3fea56e54eb03e31d6d4e57
 gray16be            08d997a3faa25a3db9d6be272d282eef
 gray16le            df65eb804360795e3e38a2701fa9641a
 monob               8b04f859fee6a0be856be184acd7a0b5

tests/ref/fate/filter-pixfmts-pad

@@ -16,8 +16,8 @@ gbrp14le            deb2c3af6b48faa52f6a1f6590a0cdf7
 gbrp16le            a6156d1a37e05ee621b2a343fb158bd6
 gbrp9le             9e827f438e081d334a6cae7e282698b0
 gray                ddc663a0491df3959d9c5795dceaa72e
-gray10le            92431ca3c9a3ac8f344089a799c665d0
-gray12le            94b3d77e56b5a094720842fea6138cb1
+gray10le            fcec0e9ca335941047bf624d3ad39765
+gray12le            f9ebea57dd9931fd833a278f2e5fa38b
 gray16le            468bda6155bdc7a7a20c34d6e599fd16
 nv12                381574979cb04be10c9168540310afad
 nv21                0fdeb2cdd56cf5a7147dc273456fa217

tests/ref/fate/filter-pixfmts-scale

@@ -37,10 +37,10 @@ gbrp16le            1b3e0b63d47a3e1b6b20931316883bf2
 gbrp9be             d9c88968001e1452ff31fbc8d16b18a0
 gbrp9le             2ccfed0816bf6bd4bb3a5b7591d9603a
 gray                221201cc7cfc4964eacd8b3e426fd276
-gray10be            1fdb541df1b2de6753df69fea9da628e
-gray10le            b17d2f13cc3af22ea5e9d2d50b6292dd
-gray12be            7ae04a6e966d23df34f95dc66507d334
-gray12le            255a75f40496c3adcd07700441dfc307
+gray10be            9452756d0b37f4f5c7cae7635e22d747
+gray10le            37fd2e1ec6b66410212d39a342e864df
+gray12be            950de5d1b6b943a26c51f6a157e19a14
+gray12le            9c3b154a8bb0a73a3b465892dbc23b36
 gray16be            32891cb0928b1119d8d43a6e1bef0e2b
 gray16le            f96cfb5652b090dad52615930f0ce65f
 monob               f01cb0b623357387827902d9d0963435

tests/ref/fate/filter-pixfmts-vflip

@@ -37,10 +37,10 @@ gbrp16le            f3b2b76fe707f77eb1376640759f5168
 gbrp9be             99c694dd47d12ae48fc8f47a0c410333
 gbrp9le             26e103a4ab99fb3f58667df490997a36
 gray                41811422d5819ed69389357294384c10
-gray10be            d079d930fa38c6469d87122f4a009d48
-gray10le            732a2a1e4e9a8f107263550dce784513
-gray12be            29dd81b58b749d0037ba28430df77ded
-gray12le            989cb5cefd6aff20b732068e15ad2a88
+gray10be            52710b3ab3ccf6101d28109f58cd48c4
+gray10le            9c432a163f0cfe9ee2a4b72ae8a7c307
+gray12be            7423ce8a77fbc40c5d4776eb28fec60a
+gray12le            808158633559d7deebc7dac2d79e88f8
 gray16be            29f24ba7cb0fc4fd2ae78963d008f6e6
 gray16le            a37e9c4ea76e8eeddc2af8f600ba2c10
 monob               7810c4857822ccfc844d78f5e803269a