avutil: add RGB single-precision float formats

libavutil/pixdesc.c

@@ -2636,6 +2636,31 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         },
         .flags = AV_PIX_FMT_FLAG_BE,
     },
+    [AV_PIX_FMT_RGBF32BE] = {
+        .name = "rgbf32be",
+        .nb_components = 3,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 12, 0, 0, 32 },       /* R */
+            { 0, 12, 4, 0, 32 },       /* G */
+            { 0, 12, 8, 0, 32 },       /* B */
+        },
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB |
+                 AV_PIX_FMT_FLAG_FLOAT,
+    },
+    [AV_PIX_FMT_RGBF32LE] = {
+        .name = "rgbf32le",
+        .nb_components = 3,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 12, 0, 0, 32 },       /* R */
+            { 0, 12, 4, 0, 32 },       /* G */
+            { 0, 12, 8, 0, 32 },       /* B */
+        },
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_FLOAT,
+    },
 };
 
 static const char * const color_range_names[] = {

libavutil/pixfmt.h

@@ -386,6 +386,9 @@ enum AVPixelFormat {
     AV_PIX_FMT_XV36BE,      ///< packed XVYU 4:4:4, 48bpp, data in the high bits, zeros in the low bits, big-endian, variant of Y412 where alpha channel is left undefined
     AV_PIX_FMT_XV36LE,      ///< packed XVYU 4:4:4, 48bpp, data in the high bits, zeros in the low bits, little-endian, variant of Y412 where alpha channel is left undefined
 
+    AV_PIX_FMT_RGBF32BE,    ///< IEEE-754 single precision packed RGB 32:32:32, 96bpp, RGBRGB..., big-endian
+    AV_PIX_FMT_RGBF32LE,    ///< IEEE-754 single precision packed RGB 32:32:32, 96bpp, RGBRGB..., little-endian
+
     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
 };
 

tests/ref/fate/imgutils

@@ -258,3 +258,5 @@ xv30be          planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0
 xv30le          planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0     0     0, plane_offsets:     0     0     0, total_size: 12288
 xv36be          planes: 1, linesizes: 512   0   0   0, plane_sizes: 24576     0     0     0, plane_offsets:     0     0     0, total_size: 24576
 xv36le          planes: 1, linesizes: 512   0   0   0, plane_sizes: 24576     0     0     0, plane_offsets:     0     0     0, total_size: 24576
+rgbf32be        planes: 1, linesizes: 768   0   0   0, plane_sizes: 36864     0     0     0, plane_offsets:     0     0     0, total_size: 36864
+rgbf32le        planes: 1, linesizes: 768   0   0   0, plane_sizes: 36864     0     0     0, plane_offsets:     0     0     0, total_size: 36864

tests/ref/fate/sws-pixdesc-query

@@ -169,6 +169,7 @@ isBE:
   rgb565be
   rgba64be
   rgbaf16be
+  rgbf32be
   x2bgr10be
   x2rgb10be
   xv30be
@@ -509,6 +510,8 @@ isRGB:
   rgba64le
   rgbaf16be
   rgbaf16le
+  rgbf32be
+  rgbf32le
   x2bgr10be
   x2bgr10le
   x2rgb10be
@@ -661,6 +664,8 @@ AnyRGB:
   rgba64le
   rgbaf16be
   rgbaf16le
+  rgbf32be
+  rgbf32le
   x2bgr10be
   x2bgr10le
   x2rgb10be
@@ -775,6 +780,8 @@ Packed:
   rgba64le
   rgbaf16be
   rgbaf16le
+  rgbf32be
+  rgbf32le
   uyvy422
   uyyvyy411
   vuya
@@ -965,6 +972,8 @@ PackedRGB:
   rgba64le
   rgbaf16be
   rgbaf16le
+  rgbf32be
+  rgbf32le
   x2bgr10be
   x2bgr10le
   x2rgb10be