1 files changed, 33 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/frame_transformer_factory.cc b/third_party/libwebrtc/api/frame_transformer_factory.cc
new file mode 100644
index 0000000000..af08372e37
--- /dev/null
+++ b/third_party/libwebrtc/api/frame_transformer_factory.cc
@@ -0,0 +1,33 @@
+/*
+ *  Copyright 2022 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/frame_transformer_factory.h"
+
+#include "modules/rtp_rtcp/source/rtp_sender_video_frame_transformer_delegate.h"
+
+namespace webrtc {
+
+std::unique_ptr<TransformableVideoFrameInterface> CreateVideoSenderFrame() {
+  RTC_CHECK_NOTREACHED();
+  return nullptr;
+}
+
+std::unique_ptr<TransformableVideoFrameInterface> CreateVideoReceiverFrame() {
+  RTC_CHECK_NOTREACHED();
+  return nullptr;
+}
+
+std::unique_ptr<TransformableVideoFrameInterface> CloneVideoFrame(
+    TransformableVideoFrameInterface* original) {
+  // At the moment, only making sender frames from receiver frames is supported.
+  return CloneSenderVideoFrame(original);
+}
+
+}  // namespace webrtc