swscale: Add missing yuv444p12 swapping

Missing from 9bd6ea56.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

libswscale/input.c

@@ -817,6 +817,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
     case AV_PIX_FMT_YUV444P10LE:
     case AV_PIX_FMT_YUV420P12LE:
     case AV_PIX_FMT_YUV422P12LE:
+    case AV_PIX_FMT_YUV444P12LE:
     case AV_PIX_FMT_YUV420P16LE:
     case AV_PIX_FMT_YUV422P16LE:
     case AV_PIX_FMT_YUV444P16LE:
@@ -840,6 +841,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
     case AV_PIX_FMT_YUV444P10BE:
     case AV_PIX_FMT_YUV420P12BE:
     case AV_PIX_FMT_YUV422P12BE:
+    case AV_PIX_FMT_YUV444P12BE:
     case AV_PIX_FMT_YUV420P16BE:
     case AV_PIX_FMT_YUV422P16BE:
     case AV_PIX_FMT_YUV444P16BE:
@@ -1039,6 +1041,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
     case AV_PIX_FMT_YUV444P10LE:
     case AV_PIX_FMT_YUV420P12LE:
     case AV_PIX_FMT_YUV422P12LE:
+    case AV_PIX_FMT_YUV444P12LE:
     case AV_PIX_FMT_YUV420P16LE:
     case AV_PIX_FMT_YUV422P16LE:
     case AV_PIX_FMT_YUV444P16LE:
@@ -1066,6 +1069,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
     case AV_PIX_FMT_YUV444P10BE:
     case AV_PIX_FMT_YUV420P12BE:
     case AV_PIX_FMT_YUV422P12BE:
+    case AV_PIX_FMT_YUV444P12BE:
     case AV_PIX_FMT_YUV420P16BE:
     case AV_PIX_FMT_YUV422P16BE:
     case AV_PIX_FMT_YUV444P16BE:

tests/ref/fate/filter-pixfmts-scale

@@ -62,7 +62,7 @@ yuv440p             4713a7b7ce80dd06923626d13589c098
 yuv444p             fd733672651ad5bbffb046fd67151fee
 yuv444p10be         34b38d54167df70044bdc08518d91009
 yuv444p10le         0812e3371c9589c6621408812f9e7a27
-yuv444p12be         936147950ba1b511570da85a0922abf3
+yuv444p12be         4fdc4bf4036c40ff575f9bc2229bf5d6
 yuv444p12le         4a9ec677190371ef5e342ffac1ace735
 yuv444p16be         e89fe5a4624ed06603580b4a74af9170
 yuv444p16le         6944d11048ff4013c5e60359faf1bd2d