diff --git a/doc/APIchanges b/doc/APIchanges
index bd5a76cbe6..d49cdd8bdc 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,10 @@ The last version increases of all libraries were on 2025-03-28
 
 API changes, most recent first:
 
+2025-09-xx - xxxxxxxxxx - lavu 60.11.100 - frame.h pixfmt.h
+  Add AVAlphaMode, AVFrame.alpha_mode, av_alpha_mode_name() and
+  av_alpha_mode_from_name().
+
 2025-09-xx - xxxxxxxxxx - lsws 9.3.100 - swscale.h
   Add SWS_UNSTABLE flag.
 
diff --git a/libavutil/frame.c b/libavutil/frame.c
index 8f3fda2371..be30eb09d2 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -45,6 +45,7 @@ static void get_frame_defaults(AVFrame *frame)
     frame->colorspace          = AVCOL_SPC_UNSPECIFIED;
     frame->color_range         = AVCOL_RANGE_UNSPECIFIED;
     frame->chroma_location     = AVCHROMA_LOC_UNSPECIFIED;
+    frame->alpha_mode          = AVALPHA_MODE_UNSPECIFIED;
     frame->flags               = 0;
 }
 
@@ -240,6 +241,7 @@ static int frame_copy_props(AVFrame *dst, const AVFrame *src, int force_copy)
     dst->colorspace             = src->colorspace;
     dst->color_range            = src->color_range;
     dst->chroma_location        = src->chroma_location;
+    dst->alpha_mode             = src->alpha_mode;
 
     av_dict_copy(&dst->metadata, src->metadata, 0);
 
diff --git a/libavutil/frame.h b/libavutil/frame.h
index d7d98e67e4..088b24b717 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -773,6 +773,13 @@ typedef struct AVFrame {
      * Duration of the frame, in the same units as pts. 0 if unknown.
      */
     int64_t duration;
+
+    /**
+     * Indicates how the alpha channel of the video is to be handled.
+     * - encoding: Set by user
+     * - decoding: Set by libavcodec
+     */
+    enum AVAlphaMode alpha_mode;
 } AVFrame;
 
 
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index f0be20d749..3c31ee2132 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -3345,6 +3345,12 @@ static const char * const chroma_location_names[] = {
     [AVCHROMA_LOC_BOTTOM] = "bottom",
 };
 
+static const char * const alpha_mode_names[] = {
+    [AVALPHA_MODE_UNSPECIFIED] = "unspecified",
+    [AVALPHA_MODE_PREMULTIPLIED] = "premultiplied",
+    [AVALPHA_MODE_STRAIGHT] = "straight",
+};
+
 static enum AVPixelFormat get_pix_fmt_internal(const char *name)
 {
     enum AVPixelFormat pix_fmt;
@@ -3878,3 +3884,22 @@ enum AVChromaLocation av_chroma_location_pos_to_enum(int xpos, int ypos)
     }
     return AVCHROMA_LOC_UNSPECIFIED;
 }
+
+const char *av_alpha_mode_name(enum AVAlphaMode mode)
+{
+    return (unsigned) mode < AVALPHA_MODE_NB ?
+        alpha_mode_names[mode] : NULL;
+}
+
+enum AVAlphaMode av_alpha_mode_from_name(const char *name)
+{
+    for (int i = 0; i < FF_ARRAY_ELEMS(alpha_mode_names); i++) {
+        if (!alpha_mode_names[i])
+            continue;
+
+        if (av_strstart(name, alpha_mode_names[i], NULL))
+            return i;
+    }
+
+    return AVERROR(EINVAL);
+}
diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h
index ba2f632814..0cc70eb64c 100644
--- a/libavutil/pixdesc.h
+++ b/libavutil/pixdesc.h
@@ -291,6 +291,16 @@ int av_chroma_location_enum_to_pos(int *xpos, int *ypos, enum AVChromaLocation p
  */
 enum AVChromaLocation av_chroma_location_pos_to_enum(int xpos, int ypos);
 
+/**
+ * @return the name for provided alpha mode or NULL if unknown.
+ */
+const char *av_alpha_mode_name(enum AVAlphaMode mode);
+
+/**
+ * @return the AVAlphaMode value for name or an AVError if not found.
+ */
+enum AVAlphaMode av_alpha_mode_from_name(const char *name);
+
 /**
  * Return the pixel format corresponding to name.
  *
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 823ea8edab..6aa1c94cec 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -794,4 +794,14 @@ enum AVChromaLocation {
     AVCHROMA_LOC_NB               ///< Not part of ABI
 };
 
+/**
+ * Correlation between the alpha channel and color values.
+ */
+enum AVAlphaMode {
+    AVALPHA_MODE_UNSPECIFIED   = 0, ///< Unknown alpha handling, or no alpha channel
+    AVALPHA_MODE_PREMULTIPLIED = 1, ///< Alpha channel is multiplied into color values
+    AVALPHA_MODE_STRAIGHT      = 2, ///< Alpha channel is independent of color values
+    AVALPHA_MODE_NB                 ///< Not part of ABI
+};
+
 #endif /* AVUTIL_PIXFMT_H */
diff --git a/libavutil/version.h b/libavutil/version.h
index 27b9fe73d8..a1707d3f4e 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  60
-#define LIBAVUTIL_VERSION_MINOR  10
+#define LIBAVUTIL_VERSION_MINOR  11
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \