1 files changed, 60 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/pc/e2e/analyzer/video/simulcast_dummy_buffer_helper.cc b/third_party/libwebrtc/test/pc/e2e/analyzer/video/simulcast_dummy_buffer_helper.cc
new file mode 100644
index 0000000000..7a73b9f4f1
--- /dev/null
+++ b/third_party/libwebrtc/test/pc/e2e/analyzer/video/simulcast_dummy_buffer_helper.cc
@@ -0,0 +1,60 @@
+/*
+ *  Copyright (c) 2019 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 "test/pc/e2e/analyzer/video/simulcast_dummy_buffer_helper.h"
+
+#include "api/video/i420_buffer.h"
+#include "api/video/video_frame.h"
+#include "api/video/video_frame_buffer.h"
+
+namespace webrtc {
+namespace webrtc_pc_e2e {
+namespace {
+
+constexpr char kIrrelatedSimulcastStreamFrameData[] = "Dummy!";
+
+}  // namespace
+
+rtc::scoped_refptr<webrtc::VideoFrameBuffer> CreateDummyFrameBuffer() {
+  // Use i420 buffer here as default one and supported by all codecs.
+  rtc::scoped_refptr<webrtc::I420Buffer> buffer =
+      webrtc::I420Buffer::Create(2, 2);
+  memcpy(buffer->MutableDataY(), kIrrelatedSimulcastStreamFrameData, 2);
+  memcpy(buffer->MutableDataY() + buffer->StrideY(),
+         kIrrelatedSimulcastStreamFrameData + 2, 2);
+  memcpy(buffer->MutableDataU(), kIrrelatedSimulcastStreamFrameData + 4, 1);
+  memcpy(buffer->MutableDataV(), kIrrelatedSimulcastStreamFrameData + 5, 1);
+  return buffer;
+}
+
+bool IsDummyFrame(const webrtc::VideoFrame& video_frame) {
+  if (video_frame.width() != 2 || video_frame.height() != 2) {
+    return false;
+  }
+  rtc::scoped_refptr<webrtc::I420BufferInterface> buffer =
+      video_frame.video_frame_buffer()->ToI420();
+  if (memcmp(buffer->DataY(), kIrrelatedSimulcastStreamFrameData, 2) != 0) {
+    return false;
+  }
+  if (memcmp(buffer->DataY() + buffer->StrideY(),
+             kIrrelatedSimulcastStreamFrameData + 2, 2) != 0) {
+    return false;
+  }
+  if (memcmp(buffer->DataU(), kIrrelatedSimulcastStreamFrameData + 4, 1) != 0) {
+    return false;
+  }
+  if (memcmp(buffer->DataV(), kIrrelatedSimulcastStreamFrameData + 5, 1) != 0) {
+    return false;
+  }
+  return true;
+}
+
+}  // namespace webrtc_pc_e2e
+}  // namespace webrtc