pixdesc/pixfmt: Add XYZ colorspace for XYZ 12-bit values

Signed-off-by: Diego Biurrun <diego@biurrun.de>

libavutil/pixdesc.c

@@ -1365,6 +1365,30 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         .log2_chroma_h = 1,
         .flags = PIX_FMT_HWACCEL,
     },
+    [AV_PIX_FMT_XYZ12LE] = {
+        .name = "xyz12le",
+        .nb_components = 3,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 5, 1, 4, 11 },       /* X */
+            { 0, 5, 3, 4, 11 },       /* Y */
+            { 0, 5, 5, 4, 11 },       /* Z */
+      },
+      /*.flags = -- not used*/
+    },
+    [AV_PIX_FMT_XYZ12BE] = {
+        .name = "xyz12be",
+        .nb_components = 3,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 5, 1, 4, 11 },       /* X */
+            { 0, 5, 3, 4, 11 },       /* Y */
+            { 0, 5, 5, 4, 11 },       /* Z */
+       },
+        .flags = PIX_FMT_BE,
+    },
 };
 
 static enum AVPixelFormat get_pix_fmt_internal(const char *name)

libavutil/pixfmt.h

@@ -179,6 +179,8 @@ enum AVPixelFormat {
     AV_PIX_FMT_YUVA444P16BE, ///< planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, big-endian)
     AV_PIX_FMT_YUVA444P16LE, ///< planar YUV 4:4:4 64bpp, (1 Cr & Cb sample per 1x1 Y & A samples, little-endian)
     AV_PIX_FMT_VDPAU,     ///< HW acceleration through VDPAU, Picture.data[3] contains a VdpVideoSurface
+    AV_PIX_FMT_XYZ12LE,      ///< packed XYZ 4:4:4, 36 bpp, (msb) 12X, 12Y, 12Z (lsb), the 2-byte value for each X/Y/Z is stored as little-endian, the 4 lower bits are set to 0
+    AV_PIX_FMT_XYZ12BE,      ///< packed XYZ 4:4:4, 36 bpp, (msb) 12X, 12Y, 12Z (lsb), the 2-byte value for each X/Y/Z is stored as big-endian, the 4 lower bits are set to 0
     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
 
 #if FF_API_PIX_FMT
@@ -231,6 +233,8 @@ enum AVPixelFormat {
 #define AV_PIX_FMT_YUVA422P16 AV_PIX_FMT_NE(YUVA422P16BE, YUVA422P16LE)
 #define AV_PIX_FMT_YUVA444P16 AV_PIX_FMT_NE(YUVA444P16BE, YUVA444P16LE)
 
+#define AV_PIX_FMT_XYZ12      AV_PIX_FMT_NE(XYZ12BE, XYZ12LE)
+
 #if FF_API_PIX_FMT
 #define PixelFormat AVPixelFormat
 

libavutil/version.h

@@ -37,7 +37,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR 52
-#define LIBAVUTIL_VERSION_MINOR  9
+#define LIBAVUTIL_VERSION_MINOR 10
 #define LIBAVUTIL_VERSION_MICRO  0
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \