swscale/output: Add rgba64/rgb48/bgra64/bgr48 output functions with full chroma interpolation

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libswscale/utils.c

@@ -1158,6 +1158,14 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
     if (flags & SWS_FULL_CHR_H_INT &&
         isAnyRGB(dstFormat)        &&
         !isPlanarRGB(dstFormat)    &&
+        dstFormat != AV_PIX_FMT_RGBA64LE &&
+        dstFormat != AV_PIX_FMT_RGBA64BE &&
+        dstFormat != AV_PIX_FMT_BGRA64LE &&
+        dstFormat != AV_PIX_FMT_BGRA64BE &&
+        dstFormat != AV_PIX_FMT_RGB48LE &&
+        dstFormat != AV_PIX_FMT_RGB48BE &&
+        dstFormat != AV_PIX_FMT_BGR48LE &&
+        dstFormat != AV_PIX_FMT_BGR48BE &&
         dstFormat != AV_PIX_FMT_RGBA  &&
         dstFormat != AV_PIX_FMT_ARGB  &&
         dstFormat != AV_PIX_FMT_BGRA  &&

tests/ref/fate/filter-pixfmts-scale

@@ -6,8 +6,8 @@ bgr0                243d58ca64f97b2f415b4c63cb79f0e1
 bgr24               18744aaab4b8bce065a7144dc0ccf921
 bgr444be            920760bee08c4fa161bf060e21ebba92
 bgr444le            01be36a28ebca1a11eb4d192986cd4e9
-bgr48be             a6fee4ac9f70d0da6a4b3a0e6353ca7f
-bgr48le             9c5d30b3b31ceaf3009fc7f1cf1cf7b6
+bgr48be             3ae02769c69d2512eaa26fff65763acb
+bgr48le             a6ce2344f07b77438258b6787fe5c24c
 bgr4_byte           01efea74088e5e3343c19ee053b95f31
 bgr555be            ab353278d103d379e1ec86e5cabb645f
 bgr555le            16ccbf59297e4b9ab25fd8af5a84a95d
@@ -15,8 +15,8 @@ bgr565be            3477e19fc11f95285836f30fdff26c1d
 bgr565le            82a81e7c9d4e0431fa22f4df9694afdc
 bgr8                2c57e76ccf04d51de6acafcf35d6fa70
 bgra                d8316272bc3a360ef9dff3ecc84520a3
-bgra64be            688499004461a2ce9debadb36dbcde5b
-bgra64le            c80dda435633c301e14d5b46a7edcf8d
+bgra64be            4e6a1b9f9c18b881c27d76611d45f737
+bgra64le            efeee0abcc658ebcff049d5e74d74943
 gbrap               e97ea4a104467c482173b7eaa57c14e3
 gbrp                dc3387f925f972c61aae7eb23cdc19f0
 gbrp10be            3a6d59192b6bb89ab42252b2b4818519
@@ -39,8 +39,8 @@ rgb0                fbd27e98154efb7535826afed41e9bb0
 rgb24               e022e741451e81f2ecce1c7240b93e87
 rgb444be            db52b9ecdf98479b693e3f4bd9e77bac
 rgb444le            63288425c05f146cde5c82b85bb126e0
-rgb48be             c2e456838a71237cb1398ab5a7c35a6e
-rgb48le             6ef772549307349c599f419313c75b7a
+rgb48be             45b25016f10d54cf36eef3479afd8249
+rgb48le             40577b147620ecfb115717473d000697
 rgb4_byte           9e540a2e7193ebcbf1c7f85d192a0c4e
 rgb555be            cb5407a0d40f3d0120155daeaaa9a222
 rgb555le            c15540d1fc887882c35860634009c439
@@ -48,11 +48,11 @@ rgb565be            c69fa7d6e458509de65e911d147629a8
 rgb565le            a4a6ef89cdc10282b428cb1392f2a353
 rgb8                bcdc033b4ef0979d060dbc8893d4db58
 rgba                85bb5d03cea1c6e8002ced3373904336
-rgba64be            21611863fbbe149416a11e95877824ac
-rgba64le            35c195a441e5f8ca8e7e4ed098ecf0c1
+rgba64be            ee73e57923af984b31cc7795d13929da
+rgba64le            783d2779adfafe3548bdb671ec0de69e
 uyvy422             aeb4ba4f9f003ae21f6d18089198244f
-xyz12be             f6350b9a2f5add20d3d67f59c100166f
-xyz12le             982935a6ea6a297fd7be8aee0fda9870
+xyz12be             c7ba8345998c0141ddc079cdd29b1a40
+xyz12le             95f5d3a0de834cc495c9032a14987cde
 yuv410p             e8f49b5fb9335b62c074f7f8bb0234fc
 yuv411p             5af32557c93beb482e26e7af693104c6
 yuv420p             5d3ac239c3712143560b1dfbd48a7ddd