[FFmpeg-devel] [PATCH v4 2/3] avutil: add RGBF16 pix_fmt

Martin Schitter ms+git at mur.at
Mon Oct 14 11:33:11 EEST 2024


---
 libavutil/pixdesc.c              | 25 +++++++++++++++++++++++++
 libavutil/pixfmt.h               |  4 ++++
 libavutil/version.h              |  2 +-
 tests/ref/fate/imgutils          |  4 ++++
 tests/ref/fate/sws-pixdesc-query | 11 +++++++++++
 5 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index 43b9c08..e73600f 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -2630,6 +2630,31 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 0, 4, 0, 0, 8 },        /* V */
         },
     },
+    [AV_PIX_FMT_RGBF16BE] = {
+        .name = "rgbf16be",
+        .nb_components = 3,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 6, 0, 0, 16 },       /* R */
+            { 0, 6, 2, 0, 16 },       /* G */
+            { 0, 6, 4, 0, 16 },       /* B */
+        },
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB |
+                 AV_PIX_FMT_FLAG_FLOAT,
+    },
+    [AV_PIX_FMT_RGBF16LE] = {
+        .name = "rgbf16le",
+        .nb_components = 3,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 6, 0, 0, 16 },       /* R */
+            { 0, 6, 2, 0, 16 },       /* G */
+            { 0, 6, 4, 0, 16 },       /* B */
+        },
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_FLOAT
+    },
     [AV_PIX_FMT_RGBAF16BE] = {
         .name = "rgbaf16be",
         .nb_components = 4,
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 3caa183..21564b9 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -448,6 +448,9 @@ enum AVPixelFormat {
     AV_PIX_FMT_V30XBE,      ///< packed VYUX 4:4:4 like XV30, 32bpp, (msb)10V 10Y 10U 2X(lsb), big-endian
     AV_PIX_FMT_V30XLE,      ///< packed VYUX 4:4:4 like XV30, 32bpp, (msb)10V 10Y 10U 2X(lsb), little-endian
 
+    AV_PIX_FMT_RGBF16BE,    ///< IEEE-754 half precision packed RGB 16:16:16, 48bpp, RGBRGB..., big-endian
+    AV_PIX_FMT_RGBF16LE,    ///< IEEE-754 half precision packed RGB 16:16:16, 48bpp, 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
 };
 
@@ -553,6 +556,7 @@ enum AVPixelFormat {
 #define AV_PIX_FMT_P216       AV_PIX_FMT_NE(P216BE, P216LE)
 #define AV_PIX_FMT_P416       AV_PIX_FMT_NE(P416BE, P416LE)
 
+#define AV_PIX_FMT_RGBF16     AV_PIX_FMT_NE(RGBF16BE, RGBF16LE)
 #define AV_PIX_FMT_RGBAF16    AV_PIX_FMT_NE(RGBAF16BE, RGBAF16LE)
 
 #define AV_PIX_FMT_RGBF32     AV_PIX_FMT_NE(RGBF32BE, RGBF32LE)
diff --git a/libavutil/version.h b/libavutil/version.h
index 7eca46c..772addf 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  59
-#define LIBAVUTIL_VERSION_MINOR  42
+#define LIBAVUTIL_VERSION_MINOR  43
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
diff --git a/tests/ref/fate/imgutils b/tests/ref/fate/imgutils
index fd5a510..4c91358 100644
--- a/tests/ref/fate/imgutils
+++ b/tests/ref/fate/imgutils
@@ -274,6 +274,8 @@ uyva            planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0
 vyu444          planes: 1, linesizes: 192   0   0   0, plane_sizes:  9216     0     0     0, plane_offsets:     0     0     0, total_size: 9216
 v30xbe          planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0     0     0, plane_offsets:     0     0     0, total_size: 12288
 v30xle          planes: 1, linesizes: 256   0   0   0, plane_sizes: 12288     0     0     0, plane_offsets:     0     0     0, total_size: 12288
+rgbf16be        planes: 1, linesizes: 384   0   0   0, plane_sizes: 18432     0     0     0, plane_offsets:     0     0     0, total_size: 18432
+rgbf16le        planes: 1, linesizes: 384   0   0   0, plane_sizes: 18432     0     0     0, plane_offsets:     0     0     0, total_size: 18432
 
 image_fill_black tests
 yuv420p         total_size:   4608,  black_unknown_crc: 0xd00f6cc6,  black_tv_crc: 0xd00f6cc6,  black_pc_crc: 0x234969af
@@ -495,3 +497,5 @@ uyva            total_size:  12288,  black_unknown_crc: 0xdd657297,  black_tv_cr
 vyu444          total_size:   9216,  black_unknown_crc: 0x575e6fb1,  black_tv_crc: 0x575e6fb1,  black_pc_crc: 0x16564599
 v30xbe          total_size:  12288,  black_unknown_crc: 0x7108457c,  black_tv_crc: 0x7108457c,  black_pc_crc: 0xdefcbbe0
 v30xle          total_size:  12288,  black_unknown_crc: 0xf5b3c795,  black_tv_crc: 0xf5b3c795,  black_pc_crc: 0x0b56173c
+rgbf16be        total_size:  18432,  black_unknown_crc: 0x00000000,  black_tv_crc: 0x00000000,  black_pc_crc: 0x00000000
+rgbf16le        total_size:  18432,  black_unknown_crc: 0x00000000,  black_tv_crc: 0x00000000,  black_pc_crc: 0x00000000
diff --git a/tests/ref/fate/sws-pixdesc-query b/tests/ref/fate/sws-pixdesc-query
index f153ed3..ae206ce 100644
--- a/tests/ref/fate/sws-pixdesc-query
+++ b/tests/ref/fate/sws-pixdesc-query
@@ -23,6 +23,8 @@ is16BPS:
   rgba64le
   rgbaf16be
   rgbaf16le
+  rgbf16be
+  rgbf16le
   ya16be
   ya16le
   yuv420p16be
@@ -181,6 +183,7 @@ isBE:
   rgba64be
   rgbaf16be
   rgbaf32be
+  rgbf16be
   rgbf32be
   v30xbe
   x2bgr10be
@@ -544,6 +547,8 @@ isRGB:
   rgbaf16le
   rgbaf32be
   rgbaf32le
+  rgbf16be
+  rgbf16le
   rgbf32be
   rgbf32le
   x2bgr10be
@@ -702,6 +707,8 @@ AnyRGB:
   rgbaf16le
   rgbaf32be
   rgbaf32le
+  rgbf16be
+  rgbf16le
   rgbf32be
   rgbf32le
   x2bgr10be
@@ -827,6 +834,8 @@ Packed:
   rgbaf16le
   rgbaf32be
   rgbaf32le
+  rgbf16be
+  rgbf16le
   rgbf32be
   rgbf32le
   uyva
@@ -1031,6 +1040,8 @@ PackedRGB:
   rgbaf16le
   rgbaf32be
   rgbaf32le
+  rgbf16be
+  rgbf16le
   rgbf32be
   rgbf32le
   x2bgr10be
-- 
2.45.2



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