diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h
index fd83158e82..9d295b4acc 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h
@@ -339,6 +339,60 @@ CUresult CUDAAPI CuMemPoolGetAttribute (CUmemoryPool pool,
                                         CUmemPool_attribute attr,
                                         void *value);
 
+GST_CUDA_API
+CUresult CUDAAPI CuDestroyExternalMemory (CUexternalMemory extMem);
+
+GST_CUDA_API
+CUresult CUDAAPI CuDestroyExternalSemaphore (CUexternalSemaphore extSem);
+
+/**
+ * CuExternalMemoryGetMappedBuffer: (skip) (attributes doc.skip=true)
+ */
+GST_CUDA_API
+CUresult CUDAAPI CuExternalMemoryGetMappedBuffer (CUdeviceptr *devPtr,
+                                                  CUexternalMemory extMem,
+                                                  const CUDA_EXTERNAL_MEMORY_BUFFER_DESC *bufferDesc);
+
+/**
+ * CuExternalMemoryGetMappedMipmappedArray: (skip) (attributes doc.skip=true)
+ */
+GST_CUDA_API
+CUresult CUDAAPI CuExternalMemoryGetMappedMipmappedArray (CUmipmappedArray *mipmap,
+                                                          CUexternalMemory extMem,
+                                                          const CUDA_EXTERNAL_MEMORY_MIPMAPPED_ARRAY_DESC *mipmapDesc);
+
+/**
+ * CuImportExternalMemory: (skip) (attributes doc.skip=true)
+ */
+GST_CUDA_API
+CUresult CUDAAPI CuImportExternalMemory (CUexternalMemory *extMem_out,
+                                         const CUDA_EXTERNAL_MEMORY_HANDLE_DESC *memHandleDesc);
+
+/**
+ * CuImportExternalSemaphore: (skip) (attributes doc.skip=true)
+ */
+GST_CUDA_API
+CUresult CUDAAPI CuImportExternalSemaphore (CUexternalSemaphore *extSem_out,
+                                            const CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC *semHandleDesc);
+
+/**
+ * CuSignalExternalSemaphoresAsync: (skip) (attributes doc.skip=true)
+ */
+GST_CUDA_API
+CUresult CUDAAPI CuSignalExternalSemaphoresAsync (const CUexternalSemaphore *extSemArray,
+                                                  const CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS *paramsArray,
+                                                  unsigned int numExtSems,
+                                                  CUstream stream);
+
+/**
+ * CuWaitExternalSemaphoresAsync: (skip) (attributes doc.skip=true)
+ */
+GST_CUDA_API
+CUresult CUDAAPI CuWaitExternalSemaphoresAsync (const CUexternalSemaphore *extSemArray,
+                                                const CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS *paramsArray,
+                                                unsigned int numExtSems,
+                                                CUstream stream);
+
 /* cudaGL.h */
 GST_CUDA_API
 CUresult CUDAAPI CuGraphicsGLRegisterImage  (CUgraphicsResource * pCudaResource,
diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudacontext.cpp b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudacontext.cpp
index e5cc64925e..b4bca0b524 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudacontext.cpp
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudacontext.cpp
@@ -56,6 +56,7 @@ enum
   PROP_OS_HANDLE,
   PROP_STREAM_ORDERED_ALLOC,
   PROP_PREFER_STREAM_ORDERED_ALLLOC,
+  PROP_EXT_INTEROP,
 };
 
 struct _GstCudaContextPrivate
@@ -68,6 +69,7 @@ struct _GstCudaContextPrivate
   gboolean os_handle_supported;
   gboolean stream_ordered_alloc_supported;
   gboolean prefer_stream_ordered_alloc;
+  gboolean ext_interop_supported;
 
   gint tex_align;
 
@@ -167,6 +169,19 @@ gst_cuda_context_class_init (GstCudaContextClass * klass)
           "Prefer Stream Ordered Alloc", "Prefers stream ordered allocation",
           FALSE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
 
+  /**
+   * GstCudaContext:external-resource-interop:
+   *
+   * External resource interop API support
+   *
+   * Since: 1.26
+   */
+  g_object_class_install_property (gobject_class, PROP_EXT_INTEROP,
+      g_param_spec_boolean ("external-resource-interop",
+          "External Resource Interop",
+          "External resource interop API support", FALSE,
+          (GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
+
   gst_cuda_memory_init_once ();
 }
 
@@ -233,6 +248,9 @@ gst_cuda_context_get_property (GObject * object, guint prop_id,
       g_value_set_boolean (value, priv->prefer_stream_ordered_alloc);
       g_mutex_unlock (&priv->lock);
       break;
+    case PROP_EXT_INTEROP:
+      g_value_set_boolean (value, priv->ext_interop_supported);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -673,6 +691,9 @@ gst_cuda_context_new_wrapped (CUcontext handler, CUdevice device)
       self->priv->stream_ordered_alloc_supported = TRUE;
   }
 
+  self->priv->ext_interop_supported =
+      gst_cuda_external_resource_interop_symbol_loaded ();
+
   std::lock_guard < std::mutex > lk (list_lock);
   g_object_weak_ref (G_OBJECT (self),
       (GWeakNotify) gst_cuda_context_weak_ref_notify, nullptr);
diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudaloader-private.h b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudaloader-private.h
index 6e33874b3d..3062352116 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudaloader-private.h
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudaloader-private.h
@@ -27,4 +27,6 @@ gboolean      gst_cuda_virtual_memory_symbol_loaded (void);
 
 gboolean      gst_cuda_stream_ordered_symbol_loaded (void);
 
+gboolean      gst_cuda_external_resource_interop_symbol_loaded (void);
+
 G_END_DECLS
diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudaloader.cpp b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudaloader.cpp
index 7fcb6162d0..711792b7f1 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudaloader.cpp
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcudaloader.cpp
@@ -64,6 +64,7 @@ typedef struct _GstNvCodecCudaVTable
   gboolean loaded;
   gboolean have_virtual_alloc;
   gboolean have_stream_ordered_alloc;
+  gboolean have_ext_interop;
 
   CUresult (CUDAAPI * CuInit) (unsigned int Flags);
   CUresult (CUDAAPI * CuGetErrorName) (CUresult error, const char **pStr);
@@ -226,6 +227,29 @@ typedef struct _GstNvCodecCudaVTable
       CUmemPool_attribute attr, void *value);
   CUresult (CUDAAPI * CuMemPoolGetAttribute) (CUmemoryPool pool,
       CUmemPool_attribute attr, void *value);
+
+  CUresult (CUDAAPI * CuDestroyExternalMemory) (CUexternalMemory extMem);
+  CUresult (CUDAAPI * CuDestroyExternalSemaphore) (CUexternalSemaphore extSem);
+  CUresult (CUDAAPI * CuExternalMemoryGetMappedBuffer) (CUdeviceptr *devPtr,
+      CUexternalMemory extMem,
+      const CUDA_EXTERNAL_MEMORY_BUFFER_DESC *bufferDesc);
+  CUresult (CUDAAPI * CuExternalMemoryGetMappedMipmappedArray)
+      (CUmipmappedArray *mipmap, CUexternalMemory extMem,
+      const CUDA_EXTERNAL_MEMORY_MIPMAPPED_ARRAY_DESC *mipmapDesc);
+
+  CUresult (CUDAAPI * CuImportExternalMemory) (CUexternalMemory *extMem_out,
+      const CUDA_EXTERNAL_MEMORY_HANDLE_DESC *memHandleDesc);
+  CUresult (CUDAAPI * CuImportExternalSemaphore)
+      (CUexternalSemaphore *extSem_out,
+      const CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC *semHandleDesc);
+  CUresult (CUDAAPI * CuSignalExternalSemaphoresAsync)
+      (const CUexternalSemaphore *extSemArray,
+      const CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS *paramsArray,
+      unsigned int numExtSems, CUstream stream);
+  CUresult (CUDAAPI * CuWaitExternalSemaphoresAsync)
+      (const CUexternalSemaphore *extSemArray,
+      const CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS *paramsArray,
+      unsigned int numExtSems, CUstream stream);
 } GstNvCodecCudaVTable;
 /* *INDENT-ON* */
 
@@ -278,6 +302,29 @@ gst_cuda_load_stream_ordered_alloc_symbols (GModule * module)
   vtable->have_stream_ordered_alloc = TRUE;
 }
 
+static void
+gst_cuda_load_ext_interop_symbols (GModule * module)
+{
+  GstNvCodecCudaVTable *vtable = &gst_cuda_vtable;
+
+  LOAD_OPTIONAL_SYMBOL (cuDestroyExternalMemory, CuDestroyExternalMemory);
+  LOAD_OPTIONAL_SYMBOL (cuDestroyExternalSemaphore, CuDestroyExternalSemaphore);
+  LOAD_OPTIONAL_SYMBOL (cuExternalMemoryGetMappedBuffer,
+      CuExternalMemoryGetMappedBuffer);
+  LOAD_OPTIONAL_SYMBOL (cuExternalMemoryGetMappedMipmappedArray,
+      CuExternalMemoryGetMappedMipmappedArray);
+  LOAD_OPTIONAL_SYMBOL (cuImportExternalMemory, CuImportExternalMemory);
+  LOAD_OPTIONAL_SYMBOL (cuImportExternalSemaphore, CuImportExternalSemaphore);
+  LOAD_OPTIONAL_SYMBOL (cuSignalExternalSemaphoresAsync,
+      CuSignalExternalSemaphoresAsync);
+  LOAD_OPTIONAL_SYMBOL (cuWaitExternalSemaphoresAsync,
+      CuWaitExternalSemaphoresAsync);
+
+  GST_INFO ("External resource interop symbols are loaded");
+
+  vtable->have_ext_interop = TRUE;
+}
+
 static void
 gst_cuda_load_library_once_func (void)
 {
@@ -387,6 +434,7 @@ gst_cuda_load_library_once_func (void)
 
   gst_cuda_load_optional_symbols (module);
   gst_cuda_load_stream_ordered_alloc_symbols (module);
+  gst_cuda_load_ext_interop_symbols (module);
 }
 
 /**
@@ -424,6 +472,14 @@ gst_cuda_stream_ordered_symbol_loaded (void)
   return gst_cuda_vtable.have_stream_ordered_alloc;
 }
 
+gboolean
+gst_cuda_external_resource_interop_symbol_loaded (void)
+{
+  gst_cuda_load_library ();
+
+  return gst_cuda_vtable.have_ext_interop;
+}
+
 CUresult CUDAAPI
 CuInit (unsigned int Flags)
 {
@@ -1073,6 +1129,91 @@ CuMemPoolGetAttribute (CUmemoryPool pool, CUmemPool_attribute attr, void *value)
   return gst_cuda_vtable.CuMemPoolGetAttribute (pool, attr, value);
 }
 
+CUresult CUDAAPI
+CuDestroyExternalMemory (CUexternalMemory extMem)
+{
+  if (!gst_cuda_vtable.CuDestroyExternalMemory)
+    return CUDA_ERROR_NOT_SUPPORTED;
+
+  return gst_cuda_vtable.CuDestroyExternalMemory (extMem);
+}
+
+CUresult CUDAAPI
+CuDestroyExternalSemaphore (CUexternalSemaphore extSem)
+{
+  if (!gst_cuda_vtable.CuDestroyExternalSemaphore)
+    return CUDA_ERROR_NOT_SUPPORTED;
+
+  return gst_cuda_vtable.CuDestroyExternalSemaphore (extSem);
+}
+
+CUresult CUDAAPI
+CuExternalMemoryGetMappedBuffer (CUdeviceptr * devPtr, CUexternalMemory extMem,
+    const CUDA_EXTERNAL_MEMORY_BUFFER_DESC * bufferDesc)
+{
+  if (!gst_cuda_vtable.CuExternalMemoryGetMappedBuffer)
+    return CUDA_ERROR_NOT_SUPPORTED;
+
+  return gst_cuda_vtable.CuExternalMemoryGetMappedBuffer (devPtr, extMem,
+      bufferDesc);
+}
+
+CUresult CUDAAPI
+CuExternalMemoryGetMappedMipmappedArray (CUmipmappedArray * mipmap,
+    CUexternalMemory extMem,
+    const CUDA_EXTERNAL_MEMORY_MIPMAPPED_ARRAY_DESC * mipmapDesc)
+{
+  if (!gst_cuda_vtable.CuExternalMemoryGetMappedMipmappedArray)
+    return CUDA_ERROR_NOT_SUPPORTED;
+
+  return gst_cuda_vtable.CuExternalMemoryGetMappedMipmappedArray (mipmap,
+      extMem, mipmapDesc);
+}
+
+CUresult CUDAAPI
+CuImportExternalMemory (CUexternalMemory * extMem_out,
+    const CUDA_EXTERNAL_MEMORY_HANDLE_DESC * memHandleDesc)
+{
+  if (!gst_cuda_vtable.CuImportExternalMemory)
+    return CUDA_ERROR_NOT_SUPPORTED;
+
+  return gst_cuda_vtable.CuImportExternalMemory (extMem_out, memHandleDesc);
+}
+
+CUresult CUDAAPI
+CuImportExternalSemaphore (CUexternalSemaphore * extSem_out,
+    const CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC * semHandleDesc)
+{
+  if (!gst_cuda_vtable.CuImportExternalSemaphore)
+    return CUDA_ERROR_NOT_SUPPORTED;
+
+  return gst_cuda_vtable.CuImportExternalSemaphore (extSem_out, semHandleDesc);
+}
+
+CUresult CUDAAPI
+CuSignalExternalSemaphoresAsync (const CUexternalSemaphore * extSemArray,
+    const CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS * paramsArray,
+    unsigned int numExtSems, CUstream stream)
+{
+  if (!gst_cuda_vtable.CuSignalExternalSemaphoresAsync)
+    return CUDA_ERROR_NOT_SUPPORTED;
+
+  return gst_cuda_vtable.CuSignalExternalSemaphoresAsync (extSemArray,
+      paramsArray, numExtSems, stream);
+}
+
+CUresult CUDAAPI
+CuWaitExternalSemaphoresAsync (const CUexternalSemaphore * extSemArray,
+    const CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS * paramsArray,
+    unsigned int numExtSems, CUstream stream)
+{
+  if (!gst_cuda_vtable.CuWaitExternalSemaphoresAsync)
+    return CUDA_ERROR_NOT_SUPPORTED;
+
+  return gst_cuda_vtable.CuWaitExternalSemaphoresAsync (extSemArray,
+      paramsArray, numExtSems, stream);
+}
+
 /* cudaGL.h */
 CUresult CUDAAPI
 CuGraphicsGLRegisterImage (CUgraphicsResource * pCudaResource,
diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/stub/cuda.h b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/stub/cuda.h
index f6a590b600..290963286d 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/cuda/stub/cuda.h
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/cuda/stub/cuda.h
@@ -32,6 +32,8 @@ typedef gpointer CUfunction;
 typedef gpointer CUmipmappedArray;
 typedef gpointer CUevent;
 typedef gpointer CUmemoryPool;
+typedef gpointer CUexternalMemory;
+typedef gpointer CUexternalSemaphore;
 
 typedef guint64  CUtexObject;
 typedef guintptr CUdeviceptr;
@@ -191,7 +193,7 @@ typedef struct
       gsize pitchInBytes;
     } pitch2D;
     struct {
-        gint reserved[32];
+      gint reserved[32];
     } reserved;
   } res;
 
@@ -316,6 +318,140 @@ typedef enum
   CU_MEMPOOL_ATTR_USED_MEM_HIGH,
 } CUmemPool_attribute;
 
+typedef struct
+{
+  unsigned long long offset;
+  unsigned long long size;
+  unsigned int flags;
+  unsigned int reserved[16];
+} CUDA_EXTERNAL_MEMORY_BUFFER_DESC;
+
+typedef enum
+{
+  CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD = 1,
+  CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32 = 2,
+  CU_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_KMT = 3,
+  CU_EXTERNAL_MEMORY_HANDLE_TYPE_D3D12_HEAP = 4,
+  CU_EXTERNAL_MEMORY_HANDLE_TYPE_D3D12_RESOURCE = 5,
+  CU_EXTERNAL_MEMORY_HANDLE_TYPE_D3D11_RESOURCE = 6,
+  CU_EXTERNAL_MEMORY_HANDLE_TYPE_D3D11_RESOURCE_KMT = 7,
+  CU_EXTERNAL_MEMORY_HANDLE_TYPE_NVSCIBUF = 8
+} CUexternalMemoryHandleType;
+
+/**
+ * CUDA_EXTERNAL_MEMORY_HANDLE_DESC: (skip) (attributes doc.skip=true)
+ */
+typedef struct
+{
+  CUexternalMemoryHandleType type;
+  union {
+    int fd;
+    struct {
+      void *handle;
+      const void *name;
+    } win32;
+    const void *nvSciBufObject;
+  } handle;
+  unsigned long long size;
+  unsigned int flags;
+  unsigned int reserved[16];
+} CUDA_EXTERNAL_MEMORY_HANDLE_DESC;
+
+typedef enum
+{
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD = 1,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32 = 2,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_KMT = 3,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D12_FENCE = 4,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D11_FENCE = 5,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_NVSCISYNC = 6,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D11_KEYED_MUTEX = 7,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D11_KEYED_MUTEX_KMT = 8,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_TIMELINE_SEMAPHORE_FD = 9,
+  CU_EXTERNAL_SEMAPHORE_HANDLE_TYPE_TIMELINE_SEMAPHORE_WIN32 = 10
+} CUexternalSemaphoreHandleType;
+
+/**
+ * CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC: (skip) (attributes doc.skip=true)
+ */
+typedef struct
+{
+  CUexternalSemaphoreHandleType type;
+  union {
+    int fd;
+    struct {
+      void *handle;
+      const void *name;
+    } win32;
+    const void* nvSciSyncObj;
+  } handle;
+  unsigned int flags;
+  unsigned int reserved[16];
+} CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC;
+
+/**
+ * CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS: (skip) (attributes doc.skip=true)
+ */
+typedef struct
+{
+  struct {
+    struct {
+      unsigned long long value;
+    } fence;
+    union {
+      void *fence;
+      unsigned long long reserved;
+    } nvSciSync;
+    struct {
+      unsigned long long key;
+    } keyedMutex;
+    unsigned int reserved[12];
+  } params;
+  unsigned int flags;
+  unsigned int reserved[16];
+} CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS;
+
+/**
+ * CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS: (skip) (attributes doc.skip=true)
+ */
+typedef struct
+{
+  struct {
+    struct {
+      unsigned long long value;
+    } fence;
+    union {
+      void *fence;
+      unsigned long long reserved;
+    } nvSciSync;
+    struct {
+      unsigned long long key;
+      unsigned int timeoutMs;
+    } keyedMutex;
+    unsigned int reserved[10];
+  } params;
+  unsigned int flags;
+  unsigned int reserved[16];
+} CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS;
+
+typedef struct
+{
+  size_t Width;
+  size_t Height;
+  size_t Depth;
+  CUarray_format Format;
+  unsigned int NumChannels;
+  unsigned int Flags;
+} CUDA_ARRAY3D_DESCRIPTOR;
+
+typedef struct
+{
+  unsigned long long offset;
+  CUDA_ARRAY3D_DESCRIPTOR arrayDesc;
+  unsigned int numLevels;
+  unsigned int reserved[16];
+} CUDA_EXTERNAL_MEMORY_MIPMAPPED_ARRAY_DESC;
+
 #define CUDA_VERSION 10000
 
 #ifdef _WIN32