diff --git a/native/android/asset_manager.cpp b/native/android/asset_manager.cpp
index 33f088d..f5db57c 100644
--- a/native/android/asset_manager.cpp
+++ b/native/android/asset_manager.cpp
@@ -178,6 +178,11 @@
     return asset->mAsset->seek(offset, whence);
 }
 
+off64_t AAsset_seek64(AAsset* asset, off64_t offset, int whence)
+{
+    return asset->mAsset->seek(offset, whence);
+}
+
 void AAsset_close(AAsset* asset)
 {
     asset->mAsset->close();
@@ -194,14 +199,35 @@
     return asset->mAsset->getLength();
 }
 
+off64_t AAsset_getLength64(AAsset* asset)
+{
+    return asset->mAsset->getLength();
+}
+
 off_t AAsset_getRemainingLength(AAsset* asset)
 {
     return asset->mAsset->getRemainingLength();
 }
 
+off64_t AAsset_getRemainingLength64(AAsset* asset)
+{
+    return asset->mAsset->getRemainingLength();
+}
+
 int AAsset_openFileDescriptor(AAsset* asset, off_t* outStart, off_t* outLength)
 {
-    return asset->mAsset->openFileDescriptor((off64_t*)outStart, (off64_t*)outLength);
+    off64_t outStart64, outLength64;
+
+    int ret = asset->mAsset->openFileDescriptor(&outStart64, &outLength64);
+
+    *outStart = off_t(outStart64);
+    *outLength = off_t(outLength64);
+    return ret;
+}
+
+int AAsset_openFileDescriptor64(AAsset* asset, off64_t* outStart, off64_t* outLength)
+{
+    return asset->mAsset->openFileDescriptor(outStart, outLength);
 }
 
 int AAsset_isAllocated(AAsset* asset)
diff --git a/native/include/android/asset_manager.h b/native/include/android/asset_manager.h
index 4fa0ef3..f5df46b 100644
--- a/native/include/android/asset_manager.h
+++ b/native/include/android/asset_manager.h
@@ -94,6 +94,17 @@
 off_t AAsset_seek(AAsset* asset, off_t offset, int whence);
 
 /**
+ * Seek to the specified offset within the asset data.  'whence' uses the
+ * same constants as lseek()/fseek().
+ *
+ * Uses 64-bit data type for large files as opposed to the 32-bit type used
+ * by AAsset_seek.
+ *
+ * Returns the new position on success, or (off64_t) -1 on error.
+ */
+off64_t AAsset_seek64(AAsset* asset, off64_t offset, int whence);
+
+/**
  * Close the asset, freeing all associated resources.
  */
 void AAsset_close(AAsset* asset);
@@ -111,12 +122,27 @@
 off_t AAsset_getLength(AAsset* asset);
 
 /**
+ * Report the total size of the asset data. Reports the size using a 64-bit
+ * number insted of 32-bit as AAsset_getLength.
+ */
+off64_t AAsset_getLength64(AAsset* asset);
+
+/**
  * Report the total amount of asset data that can be read from the current position.
  */
 off_t AAsset_getRemainingLength(AAsset* asset);
 
 /**
- * Open a new file descriptor that can be used to read the asset data.
+ * Report the total amount of asset data that can be read from the current position.
+ *
+ * Uses a 64-bit number instead of a 32-bit number as AAsset_getRemainingLength does.
+ */
+off64_t AAsset_getRemainingLength64(AAsset* asset);
+
+/**
+ * Open a new file descriptor that can be used to read the asset data. If the
+ * start or length cannot be represented by a 32-bit number, it will be
+ * truncated. If the file is large, use AAsset_openFileDescriptor64 instead.
  *
  * Returns < 0 if direct fd access is not possible (for example, if the asset is
  * compressed).
@@ -124,6 +150,17 @@
 int AAsset_openFileDescriptor(AAsset* asset, off_t* outStart, off_t* outLength);
 
 /**
+ * Open a new file descriptor that can be used to read the asset data.
+ *
+ * Uses a 64-bit number for the offset and length instead of 32-bit instead of
+ * as AAsset_openFileDescriptor does.
+ *
+ * Returns < 0 if direct fd access is not possible (for example, if the asset is
+ * compressed).
+ */
+int AAsset_openFileDescriptor64(AAsset* asset, off64_t* outStart, off64_t* outLength);
+
+/**
  * Returns whether this asset's internal buffer is allocated in ordinary RAM (i.e. not
  * mmapped).
  */