avutil/hwcontext_d3d12va: add Flags for resource creation

Flags field is added to support diffferent resource creation.

Signed-off-by: Tong Wu <tong1.wu@intel.com>

doc/APIchanges

@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2024-03-07
 
 API changes, most recent first:
 
+2024-07-02 - xxxxxxxxxx - lavu 59.28.100 - hwcontext_d3d12va.h
+  Add AVD3D12VAFramesContext.flags
+
 2024-06-28 - xxxxxxxxxx - lavu 59.27.100 - stereo3d.h
   Add AV_STEREO3D_UNSPEC and AV_STEREO3D_VIEW_UNSPEC.
 

libavutil/hwcontext_d3d12va.c

@@ -247,7 +247,7 @@ static AVBufferRef *d3d12va_pool_alloc(void *opaque, size_t size)
         .Format           = hwctx->format,
         .SampleDesc       = {.Count = 1, .Quality = 0 },
         .Layout           = D3D12_TEXTURE_LAYOUT_UNKNOWN,
-        .Flags            = D3D12_RESOURCE_FLAG_NONE,
+        .Flags            = hwctx->flags,
     };
 
     frame = av_mallocz(sizeof(AVD3D12VAFrame));

libavutil/hwcontext_d3d12va.h

@@ -129,6 +129,14 @@ typedef struct AVD3D12VAFramesContext {
      * If unset, will be automatically set.
      */
     DXGI_FORMAT format;
+
+    /**
+     * Options for working with resources.
+     * If unset, this will be D3D12_RESOURCE_FLAG_NONE.
+     *
+     * @see https://learn.microsoft.com/en-us/windows/win32/api/d3d12/ne-d3d12-d3d12_resource_flags
+     */
+    D3D12_RESOURCE_FLAGS flags;
 } AVD3D12VAFramesContext;
 
 #endif /* AVUTIL_HWCONTEXT_D3D12VA_H */

libavutil/version.h

@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  59
-#define LIBAVUTIL_VERSION_MINOR  27
+#define LIBAVUTIL_VERSION_MINOR  28
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \