1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/libwebrtc/media/base/test_utils.cc b/third_party/libwebrtc/media/base/test_utils.cc
new file mode 100644
index 0000000000..1b288735be
--- /dev/null
+++ b/third_party/libwebrtc/media/base/test_utils.cc
@@ -0,0 +1,55 @@
+/*
+ *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "media/base/test_utils.h"
+
+#include <cstdint>
+
+#include "api/video/video_frame.h"
+#include "api/video/video_source_interface.h"
+
+namespace cricket {
+
+cricket::StreamParams CreateSimStreamParams(
+    const std::string& cname,
+    const std::vector<uint32_t>& ssrcs) {
+  cricket::StreamParams sp;
+  cricket::SsrcGroup sg(cricket::kSimSsrcGroupSemantics, ssrcs);
+  sp.ssrcs = ssrcs;
+  sp.ssrc_groups.push_back(sg);
+  sp.cname = cname;
+  return sp;
+}
+
+// There should be an rtx_ssrc per ssrc.
+cricket::StreamParams CreateSimWithRtxStreamParams(
+    const std::string& cname,
+    const std::vector<uint32_t>& ssrcs,
+    const std::vector<uint32_t>& rtx_ssrcs) {
+  cricket::StreamParams sp = CreateSimStreamParams(cname, ssrcs);
+  for (size_t i = 0; i < ssrcs.size(); ++i) {
+    sp.AddFidSsrc(ssrcs[i], rtx_ssrcs[i]);
+  }
+  return sp;
+}
+
+// There should be one fec ssrc per ssrc.
+cricket::StreamParams CreatePrimaryWithFecFrStreamParams(
+    const std::string& cname,
+    uint32_t primary_ssrc,
+    uint32_t flexfec_ssrc) {
+  cricket::StreamParams sp;
+  sp.ssrcs = {primary_ssrc};
+  sp.cname = cname;
+  sp.AddFecFrSsrc(primary_ssrc, flexfec_ssrc);
+  return sp;
+}
+
+}  // namespace cricket