1 files changed, 90 insertions, 0 deletions
diff --git a/media/libsoundtouch/src/RLBoxSoundTouch.h b/media/libsoundtouch/src/RLBoxSoundTouch.h
new file mode 100644
index 0000000000..fae43af7b8
--- /dev/null
+++ b/media/libsoundtouch/src/RLBoxSoundTouch.h
@@ -0,0 +1,90 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef RLBOXSOUNDTOUCH_H_
+#define RLBOXSOUNDTOUCH_H_
+
+#include "RLBoxSoundTouchTypes.h"
+
+// Load general firefox configuration of RLBox
+#include "mozilla/rlbox/rlbox_config.h"
+#undef RLBOX_WASM2C_MODULE_NAME
+#define RLBOX_WASM2C_MODULE_NAME rlboxsoundtouch
+
+#ifdef MOZ_WASM_SANDBOXING_SOUNDTOUCH
+// Include the generated header file so that we are able to resolve the symbols
+// in the wasm binary
+#  include "rlboxsoundtouch.wasm.h"
+#  define RLBOX_USE_STATIC_CALLS() rlbox_wasm2c_sandbox_lookup_symbol
+#  include "mozilla/rlbox/rlbox_wasm2c_sandbox.hpp"
+#else
+// Extra configuration for no-op sandbox
+#  define RLBOX_USE_STATIC_CALLS() rlbox_noop_sandbox_lookup_symbol
+#  include "mozilla/rlbox/rlbox_noop_sandbox.hpp"
+#endif
+
+#include "mozilla/rlbox/rlbox.hpp"
+#include "AudioStream.h"
+//  Use abort() instead of exception in SoundTouch.
+#define ST_NO_EXCEPTION_HANDLING 1
+#include "soundtouch/SoundTouchFactory.h"
+
+#if defined(WIN32)
+#if defined(BUILDING_SOUNDTOUCH)
+#define RLBOX_SOUNDTOUCH_API __declspec(dllexport)
+#else
+#define RLBOX_SOUNDTOUCH_API __declspec(dllimport)
+#endif
+#else
+#define RLBOX_SOUNDTOUCH_API __attribute__((visibility("default")))
+#endif
+
+namespace mozilla {
+
+class RLBoxSoundTouch {
+ public:
+  RLBOX_SOUNDTOUCH_API
+  RLBoxSoundTouch();
+  RLBOX_SOUNDTOUCH_API
+  ~RLBoxSoundTouch();
+
+  RLBOX_SOUNDTOUCH_API
+  void setSampleRate(uint aRate);
+  RLBOX_SOUNDTOUCH_API
+  void setChannels(uint aChannels);
+  RLBOX_SOUNDTOUCH_API
+  void setPitch(double aPitch);
+  RLBOX_SOUNDTOUCH_API
+  void setSetting(int aSettingId, int aValue);
+  RLBOX_SOUNDTOUCH_API
+  void setTempo(double aTempo);
+  RLBOX_SOUNDTOUCH_API
+  uint numChannels();
+  RLBOX_SOUNDTOUCH_API
+  tainted_soundtouch<uint> numSamples();
+  RLBOX_SOUNDTOUCH_API
+  tainted_soundtouch<uint> numUnprocessedSamples();
+  RLBOX_SOUNDTOUCH_API
+  void setRate(double aRate);
+  RLBOX_SOUNDTOUCH_API
+  void putSamples(const mozilla::AudioDataValue* aSamples, uint aNumSamples);
+  RLBOX_SOUNDTOUCH_API
+  uint receiveSamples(mozilla::AudioDataValue* aOutput, uint aMaxSamples);
+  RLBOX_SOUNDTOUCH_API
+  void flush();
+
+ private:
+  uint mChannels{0};
+  rlbox_sandbox_soundtouch mSandbox;
+  tainted_soundtouch<mozilla::AudioDataValue*> mSampleBuffer{nullptr};
+  uint mSampleBufferSize{1};
+  tainted_soundtouch<soundtouch::SoundTouch*> mTimeStretcher{nullptr};
+
+  RLBOX_SOUNDTOUCH_API
+  void resizeSampleBuffer(uint aNewSize);
+};
+
+}  // namespace mozilla
+#endif