1 files changed, 60 insertions, 0 deletions
diff --git a/media/webrtc/signaling/src/jsep/JsepTrackEncoding.h b/media/webrtc/signaling/src/jsep/JsepTrackEncoding.h
new file mode 100644
index 000000000..b59b672e4
--- /dev/null
+++ b/media/webrtc/signaling/src/jsep/JsepTrackEncoding.h
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=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 _JESPTRACKENCODING_H_
+#define _JESPTRACKENCODING_H_
+
+#include "signaling/src/jsep/JsepCodecDescription.h"
+#include "signaling/src/common/EncodingConstraints.h"
+#include "signaling/src/common/PtrVector.h"
+
+namespace mozilla {
+// Represents a single encoding of a media track. When simulcast is used, there
+// may be multiple. Each encoding may have some constraints (imposed by JS), and
+// may be able to use any one of multiple codecs (JsepCodecDescription) at any
+// given time.
+class JsepTrackEncoding
+{
+public:
+  const std::vector<JsepCodecDescription*>& GetCodecs() const
+  {
+    return mCodecs.values;
+  }
+
+  void AddCodec(const JsepCodecDescription& codec)
+  {
+    mCodecs.values.push_back(codec.Clone());
+  }
+
+  bool HasFormat(const std::string& format) const
+  {
+    for (const JsepCodecDescription* codec : mCodecs.values) {
+      if (codec->mDefaultPt == format) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  void UpdateMaxBitrate(const SdpMediaSection& remote)
+  {
+    uint32_t tias = remote.GetBandwidth("TIAS");
+    // select minimum of the two which is not zero
+    mConstraints.maxBr = std::min(tias ? tias : mConstraints.maxBr,
+                                  mConstraints.maxBr ? mConstraints.maxBr :
+                                                       tias);
+    // TODO add support for b=AS if TIAS is not set (bug 976521)
+  }
+
+  EncodingConstraints mConstraints;
+  std::string mRid;
+
+private:
+  PtrVector<JsepCodecDescription> mCodecs;
+};
+}
+
+#endif // _JESPTRACKENCODING_H_