libavutil: Adds gray floating-point pixel formats.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavutil/pixdesc.c

@@ -2206,6 +2206,28 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         .name  = "opencl",
         .flags = AV_PIX_FMT_FLAG_HWACCEL,
     },
+    [AV_PIX_FMT_GRAYF32BE] = {
+        .name = "grayf32be",
+        .nb_components = 1,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 4, 0, 0, 32, 3, 31, 1 },       /* Y */
+        },
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_FLOAT,
+        .alias = "yf32be",
+    },
+    [AV_PIX_FMT_GRAYF32LE] = {
+        .name = "grayf32le",
+        .nb_components = 1,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 4, 0, 0, 32, 3, 31, 1 },       /* Y */
+        },
+        .flags = AV_PIX_FMT_FLAG_FLOAT,
+        .alias = "yf32le",
+    },
 };
 #if FF_API_PLUS1_MINUS1
 FF_ENABLE_DEPRECATION_WARNINGS

libavutil/pixfmt.h

@@ -337,6 +337,9 @@ enum AVPixelFormat {
     AV_PIX_FMT_GRAY14BE,   ///<        Y        , 14bpp, big-endian
     AV_PIX_FMT_GRAY14LE,   ///<        Y        , 14bpp, little-endian
 
+    AV_PIX_FMT_GRAYF32BE,  ///< IEEE-754 single precision Y, 32bpp, big-endian
+    AV_PIX_FMT_GRAYF32LE,  ///< IEEE-754 single precision Y, 32bpp, 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
 };
 
@@ -405,6 +408,8 @@ enum AVPixelFormat {
 #define AV_PIX_FMT_GBRPF32    AV_PIX_FMT_NE(GBRPF32BE,  GBRPF32LE)
 #define AV_PIX_FMT_GBRAPF32   AV_PIX_FMT_NE(GBRAPF32BE, GBRAPF32LE)
 
+#define AV_PIX_FMT_GRAYF32    AV_PIX_FMT_NE(GRAYF32BE, GRAYF32LE)
+
 #define AV_PIX_FMT_YUVA420P9  AV_PIX_FMT_NE(YUVA420P9BE , YUVA420P9LE)
 #define AV_PIX_FMT_YUVA422P9  AV_PIX_FMT_NE(YUVA422P9BE , YUVA422P9LE)
 #define AV_PIX_FMT_YUVA444P9  AV_PIX_FMT_NE(YUVA444P9BE , YUVA444P9LE)

libavutil/version.h

@@ -79,8 +79,8 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  56
-#define LIBAVUTIL_VERSION_MINOR  18
-#define LIBAVUTIL_VERSION_MICRO 102
+#define LIBAVUTIL_VERSION_MINOR  19
+#define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                                LIBAVUTIL_VERSION_MINOR, \

tests/ref/fate/sws-pixdesc-query

@@ -126,6 +126,7 @@ isBE:
   gray14be
   gray16be
   gray9be
+  grayf32be
   nv20be
   p010be
   p016be
@@ -412,6 +413,8 @@ Gray:
   gray16le
   gray9be
   gray9le
+  grayf32be
+  grayf32le
   ya16be
   ya16le
   ya8