1 files changed, 34 insertions, 0 deletions
diff --git a/dom/media/platforms/ffmpeg/FFmpegRDFTTypes.h b/dom/media/platforms/ffmpeg/FFmpegRDFTTypes.h
new file mode 100644
index 0000000000..cb3e2476fb
--- /dev/null
+++ b/dom/media/platforms/ffmpeg/FFmpegRDFTTypes.h
@@ -0,0 +1,34 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+#ifndef FFmpegRDFTTypes_h
+#define FFmpegRDFTTypes_h
+
+struct RDFTContext;
+
+typedef float FFTSample;
+
+enum RDFTransformType {
+  DFT_R2C,
+  IDFT_C2R,
+  IDFT_R2C,
+  DFT_C2R,
+};
+
+extern "C" {
+
+typedef RDFTContext* (*AvRdftInitFn)(int nbits, enum RDFTransformType trans);
+typedef void (*AvRdftCalcFn)(RDFTContext* s, FFTSample* data);
+typedef void (*AvRdftEndFn)(RDFTContext* s);
+}
+
+struct FFmpegRDFTFuncs {
+  AvRdftInitFn init;
+  AvRdftCalcFn calc;
+  AvRdftEndFn end;
+};
+
+#endif  // FFmpegRDFTTypes_h