Apply C++ lints (#816)

Author: scotts

src/torchcodec/_core/AVIOFileLikeContext.cpp

@@ -9,7 +9,9 @@
 
 namespace facebook::torchcodec {
 
-AVIOFileLikeContext::AVIOFileLikeContext(py::object fileLike, bool isForWriting)
+AVIOFileLikeContext::AVIOFileLikeContext(
+    const py::object& fileLike,
+    bool isForWriting)
     : fileLike_{UniquePyObject(new py::object(fileLike))} {
   {
     // TODO: Is it necessary to acquire the GIL here? Is it maybe even
@@ -90,7 +92,7 @@ int AVIOFileLikeContext::write(void* opaque, const uint8_t* buf, int buf_size) {
   py::gil_scoped_acquire gil;
   py::bytes bytes_obj(reinterpret_cast<const char*>(buf), buf_size);
 
-  return py::cast<int64_t>((*fileLike)->attr("write")(bytes_obj));
+  return py::cast<int>((*fileLike)->attr("write")(bytes_obj));
 }
 
 } // namespace facebook::torchcodec

src/torchcodec/_core/AVIOFileLikeContext.h

@@ -19,7 +19,7 @@ namespace facebook::torchcodec {
 // and seek calls back up to the methods on the Python object.
 class AVIOFileLikeContext : public AVIOContextHolder {
  public:
-  explicit AVIOFileLikeContext(py::object fileLike, bool isForWriting);
+  explicit AVIOFileLikeContext(const py::object& fileLike, bool isForWriting);
 
  private:
   static int read(void* opaque, uint8_t* buf, int buf_size);