// released in dxva2_frames_uninit()
}
-static AVBufferRef *dxva2_pool_alloc(void *opaque, int size)
+static AVBufferRef *dxva2_pool_alloc(void *opaque, size_t size)
{
AVHWFramesContext *ctx = (AVHWFramesContext*)opaque;
DXVA2FramesContext *s = ctx->internal->priv;