Reference must be on device; drive-by NULL -> nullptr

Author: scotts

src/torchcodec/decoders/_core/CudaDevice.cpp

@@ -265,7 +265,7 @@ std::optional<AVCodecPtr> findCudaCodec(
     const AVCodecID& codecId) {
   throwErrorIfNonCudaDevice(device);
 
-  void* i = NULL;
+  void* i = nullptr;
 
   AVCodecPtr c;
   while (c = av_codec_iterate(&i)) {

test/decoders/test_video_decoder.py

@@ -448,7 +448,9 @@ def test_get_frame_played_at_h265(self, device):
         # Non-regression test for https://github.com/pytorch/torchcodec/issues/179
         decoder = VideoDecoder(H265_VIDEO.path, device=device)
         ref_frame6 = H265_VIDEO.get_frame_data_by_index(5)
-        assert_frames_equal(ref_frame6, decoder.get_frame_played_at(0.5).data)
+        assert_frames_equal(
+            ref_frame6.to(device=device), decoder.get_frame_played_at(0.5).data
+        )
 
     @pytest.mark.parametrize("device", cpu_and_cuda())
     def test_get_frame_played_at_fails(self, device):