1 files changed, 66 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/test/fake_frame_encryptor.cc b/third_party/libwebrtc/api/test/fake_frame_encryptor.cc
new file mode 100644
index 0000000000..89d14aab88
--- /dev/null
+++ b/third_party/libwebrtc/api/test/fake_frame_encryptor.cc
@@ -0,0 +1,66 @@
+/*
+ *  Copyright 2018 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 "api/test/fake_frame_encryptor.h"
+
+#include "rtc_base/checks.h"
+
+namespace webrtc {
+FakeFrameEncryptor::FakeFrameEncryptor(uint8_t fake_key, uint8_t postfix_byte)
+    : fake_key_(fake_key), postfix_byte_(postfix_byte) {}
+
+// FrameEncryptorInterface implementation
+int FakeFrameEncryptor::Encrypt(cricket::MediaType media_type,
+                                uint32_t ssrc,
+                                rtc::ArrayView<const uint8_t> additional_data,
+                                rtc::ArrayView<const uint8_t> frame,
+                                rtc::ArrayView<uint8_t> encrypted_frame,
+                                size_t* bytes_written) {
+  if (fail_encryption_) {
+    return static_cast<int>(FakeEncryptionStatus::FORCED_FAILURE);
+  }
+
+  RTC_CHECK_EQ(frame.size() + 1, encrypted_frame.size());
+  for (size_t i = 0; i < frame.size(); i++) {
+    encrypted_frame[i] = frame[i] ^ fake_key_;
+  }
+
+  encrypted_frame[frame.size()] = postfix_byte_;
+  *bytes_written = encrypted_frame.size();
+  return static_cast<int>(FakeEncryptionStatus::OK);
+}
+
+size_t FakeFrameEncryptor::GetMaxCiphertextByteSize(
+    cricket::MediaType media_type,
+    size_t frame_size) {
+  return frame_size + 1;
+}
+
+void FakeFrameEncryptor::SetFakeKey(uint8_t fake_key) {
+  fake_key_ = fake_key;
+}
+
+uint8_t FakeFrameEncryptor::GetFakeKey() const {
+  return fake_key_;
+}
+
+void FakeFrameEncryptor::SetPostfixByte(uint8_t postfix_byte) {
+  postfix_byte_ = postfix_byte;
+}
+
+uint8_t FakeFrameEncryptor::GetPostfixByte() const {
+  return postfix_byte_;
+}
+
+void FakeFrameEncryptor::SetFailEncryption(bool fail_encryption) {
+  fail_encryption_ = fail_encryption;
+}
+
+}  // namespace webrtc