X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_filter.h;h=9fc69daadb23574158e6b298d7b0140a23071716;hb=2d8f0f782ccabfa49a14f5fd82c8a5dea521e3cd;hp=f361c27d2cf837508e53887ec7b97600b9310b68;hpb=d2137ac5db409e686b4d9b3fa567935a5e416d41;p=dcpomatic.git

diff --git a/src/lib/audio_filter.h b/src/lib/audio_filter.h
index f361c27d2..9fc69daad 100644
--- a/src/lib/audio_filter.h
+++ b/src/lib/audio_filter.h
@@ -22,7 +22,7 @@
 
 class AudioBuffers;
 class audio_filter_impulse_kernel_test;
-class audio_filter_impulse_input_test;
+struct audio_filter_impulse_input_test;
 
 class AudioFilter
 {
@@ -40,8 +40,8 @@ public:
 	void flush ();
 
 protected:
-	friend class audio_filter_impulse_kernel_test;
-	friend class audio_filter_impulse_input_test;
+	friend struct audio_filter_impulse_kernel_test;
+	friend struct audio_filter_impulse_input_test;
 
 	std::vector<float> sinc_blackman (float cutoff, bool invert) const;