1 files changed, 6 insertions, 0 deletions
diff --git a/src/audio/dct.h b/src/audio/dct.h
new file mode 100644
index 0000000..3e51884
--- /dev/null
+++ b/src/audio/dct.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#define DCT_SIZE 512
+
+void fdct_512(const float input[DCT_SIZE], float output[DCT_SIZE]);
+void idct_512(const float input[DCT_SIZE], float output[DCT_SIZE]);