avutil/pixfmt: add UYVA pixel format

This maps to the 4444YpCbCrA8 pixel format as defined by Apple, which is ordered
Cb Y' Cr A.

Signed-off-by: James Almer <jamrial@gmail.com>

libavutil/pixdesc.c

@@ -2119,6 +2119,19 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         .name = "cuda",
         .flags = AV_PIX_FMT_FLAG_HWACCEL,
     },
+    [AV_PIX_FMT_UYVA] = {
+        .name = "uyva",
+        .nb_components = 4,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 4, 1, 0, 8 },        /* Y */
+            { 0, 4, 0, 0, 8 },        /* U */
+            { 0, 4, 2, 0, 8 },        /* V */
+            { 0, 4, 3, 0, 8 },        /* A */
+        },
+        .flags = AV_PIX_FMT_FLAG_ALPHA,
+    },
     [AV_PIX_FMT_AYUV] = {
         .name = "ayuv",
         .nb_components = 4,

libavutil/pixfmt.h

@@ -441,6 +441,8 @@ enum AVPixelFormat {
 
     AV_PIX_FMT_AYUV,        ///< packed AYUV 4:4:4:4, 32bpp (1 Cr & Cb sample per 1x1 Y & A samples), AYUVAYUV...
 
+    AV_PIX_FMT_UYVA,        ///< packed UYVA 4:4:4:4, 32bpp (1 Cr & Cb sample per 1x1 Y & A samples), UYVAUYVA...
+
     AV_PIX_FMT_NB         ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
 };
 

libavutil/tests/pixfmt_best.c

@@ -136,6 +136,7 @@ int main(void)
     TEST(AV_PIX_FMT_YUVA444P,  AV_PIX_FMT_YUV444P);
     TEST(AV_PIX_FMT_VUYA,      AV_PIX_FMT_YUV444P);
     TEST(AV_PIX_FMT_AYUV,      AV_PIX_FMT_YUV444P);
+    TEST(AV_PIX_FMT_UYVA,      AV_PIX_FMT_YUV444P);
     TEST(AV_PIX_FMT_AYUV64,    AV_PIX_FMT_YUV444P16);
     TEST(AV_PIX_FMT_RGBA,      AV_PIX_FMT_RGB24);
     TEST(AV_PIX_FMT_ABGR,      AV_PIX_FMT_RGB24);

tests/ref/fate/imgutils

@@ -270,6 +270,7 @@ p412le          planes: 2, linesizes: 128 256   0   0, plane_sizes:  6144 12288
 gbrap14be       planes: 4, linesizes: 128 128 128 128, plane_sizes:  6144  6144  6144  6144, plane_offsets:  6144  6144  6144, total_size: 24576
 gbrap14le       planes: 4, linesizes: 128 128 128 128, plane_sizes:  6144  6144  6144  6144, plane_offsets:  6144  6144  6144, total_size: 24576
 ayuv            planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0     0     0, plane_offsets:     0     0     0, total_size: 12288
+uyva            planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0     0     0, plane_offsets:     0     0     0, total_size: 12288
 
 image_fill_black tests
 yuv420p         total_size:   4608,  black_unknown_crc: 0xd00f6cc6,  black_tv_crc: 0xd00f6cc6,  black_pc_crc: 0x234969af
@@ -487,3 +488,4 @@ p412le          total_size:  18432,  black_unknown_crc: 0x4028ac30,  black_tv_cr
 gbrap14be       total_size:  24576,  black_unknown_crc: 0x4ec0d987,  black_tv_crc: 0x4ec0d987,  black_pc_crc: 0x4ec0d987
 gbrap14le       total_size:  24576,  black_unknown_crc: 0x13bde353,  black_tv_crc: 0x13bde353,  black_pc_crc: 0x13bde353
 ayuv            total_size:  12288,  black_unknown_crc: 0xcc44368b,  black_tv_crc: 0xcc44368b,  black_pc_crc: 0x1e04c638
+uyva            total_size:  12288,  black_unknown_crc: 0xdd657297,  black_tv_crc: 0xdd657297,  black_pc_crc: 0x0f258224

tests/ref/fate/pixfmt_best

@@ -1 +1 @@
-107 tests passed, 0 tests failed.
+108 tests passed, 0 tests failed.

tests/ref/fate/sws-pixdesc-query

@@ -246,6 +246,7 @@ isYUV:
   p412le
   p416be
   p416le
+  uyva
   uyvy422
   uyyvyy411
   vuya
@@ -730,6 +731,7 @@ ALPHA:
   rgbaf16le
   rgbaf32be
   rgbaf32le
+  uyva
   vuya
   ya16be
   ya16le
@@ -821,6 +823,7 @@ Packed:
   rgbaf32le
   rgbf32be
   rgbf32le
+  uyva
   uyvy422
   uyyvyy411
   vuya