1 files changed, 101 insertions, 0 deletions
diff --git a/dom/media/webrtc/MediaEnginePrefs.h b/dom/media/webrtc/MediaEnginePrefs.h
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+++ b/dom/media/webrtc/MediaEnginePrefs.h
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+/* -*- 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef MediaEnginePrefs_h
+#define MediaEnginePrefs_h
+
+#include <stdint.h>
+#include <string.h>
+
+namespace mozilla {
+
+/**
+ * Video source and friends.
+ */
+class MediaEnginePrefs {
+ public:
+  static const int DEFAULT_VIDEO_FPS = 30;
+  static const int DEFAULT_43_VIDEO_WIDTH = 640;
+  static const int DEFAULT_43_VIDEO_HEIGHT = 480;
+  static const int DEFAULT_169_VIDEO_WIDTH = 1280;
+  static const int DEFAULT_169_VIDEO_HEIGHT = 720;
+
+  MediaEnginePrefs()
+      : mWidth(0),
+        mHeight(0),
+        mFPS(0),
+        mFreq(0),
+        mAecOn(false),
+        mUseAecMobile(false),
+        mAgcOn(false),
+        mHPFOn(false),
+        mNoiseOn(false),
+        mTransientOn(false),
+        mResidualEchoOn(false),
+        mAgc2Forced(false),
+        mAgc(0),
+        mNoise(0),
+        mChannels(0) {}
+
+  int32_t mWidth;
+  int32_t mHeight;
+  int32_t mFPS;
+  int32_t mFreq;  // for test tones (fake:true)
+  bool mAecOn;
+  bool mUseAecMobile;
+  bool mAgcOn;
+  bool mHPFOn;
+  bool mNoiseOn;
+  bool mTransientOn;
+  bool mResidualEchoOn;
+  bool mAgc2Forced;
+  int32_t mAgc;
+  int32_t mNoise;
+  int32_t mChannels;
+
+  bool operator==(const MediaEnginePrefs& aRhs) {
+    return memcmp(this, &aRhs, sizeof(MediaEnginePrefs)) == 0;
+  };
+
+  // mWidth and/or mHeight may be zero (=adaptive default), so use functions.
+
+  int32_t GetWidth(bool aHD = false) const {
+    return mWidth ? mWidth
+                  : (mHeight ? (mHeight * GetDefWidth(aHD)) / GetDefHeight(aHD)
+                             : GetDefWidth(aHD));
+  }
+
+  int32_t GetHeight(bool aHD = false) const {
+    return mHeight ? mHeight
+                   : (mWidth ? (mWidth * GetDefHeight(aHD)) / GetDefWidth(aHD)
+                             : GetDefHeight(aHD));
+  }
+
+ private:
+  static int32_t GetDefWidth(bool aHD = false) {
+    // It'd be nice if we could use the ternary operator here, but we can't
+    // because of bug 1002729.
+    if (aHD) {
+      return DEFAULT_169_VIDEO_WIDTH;
+    }
+
+    return DEFAULT_43_VIDEO_WIDTH;
+  }
+
+  static int32_t GetDefHeight(bool aHD = false) {
+    // It'd be nice if we could use the ternary operator here, but we can't
+    // because of bug 1002729.
+    if (aHD) {
+      return DEFAULT_169_VIDEO_HEIGHT;
+    }
+
+    return DEFAULT_43_VIDEO_HEIGHT;
+  }
+};
+
+}  // namespace mozilla
+
+#endif  // MediaEnginePrefs_h