1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/testsupport/y4m_frame_writer.cc b/third_party/libwebrtc/test/testsupport/y4m_frame_writer.cc
new file mode 100644
index 0000000000..1bb4543963
--- /dev/null
+++ b/third_party/libwebrtc/test/testsupport/y4m_frame_writer.cc
@@ -0,0 +1,59 @@
+/*
+ *  Copyright (c) 2017 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 <stdio.h>
+
+#include <string>
+
+#include "rtc_base/logging.h"
+#include "test/testsupport/frame_writer.h"
+
+namespace webrtc {
+namespace test {
+
+Y4mFrameWriterImpl::Y4mFrameWriterImpl(std::string output_filename,
+                                       int width,
+                                       int height,
+                                       int frame_rate)
+    : YuvFrameWriterImpl(output_filename, width, height),
+      frame_rate_(frame_rate) {}
+
+Y4mFrameWriterImpl::~Y4mFrameWriterImpl() = default;
+
+bool Y4mFrameWriterImpl::Init() {
+  if (!YuvFrameWriterImpl::Init()) {
+    return false;
+  }
+  int bytes_written = fprintf(output_file_, "YUV4MPEG2 W%d H%d F%d:1 C420\n",
+                              width_, height_, frame_rate_);
+  if (bytes_written < 0) {
+    RTC_LOG(LS_ERROR) << "Failed to write Y4M file header to file: "
+                      << output_filename_.c_str();
+    return false;
+  }
+  return true;
+}
+
+bool Y4mFrameWriterImpl::WriteFrame(const uint8_t* frame_buffer) {
+  if (output_file_ == nullptr) {
+    RTC_LOG(LS_ERROR) << "Y4mFrameWriterImpl is not initialized.";
+    return false;
+  }
+  int bytes_written = fprintf(output_file_, "FRAME\n");
+  if (bytes_written < 0) {
+    RTC_LOG(LS_ERROR) << "Couldn't write Y4M frame header to file: "
+                      << output_filename_.c_str();
+    return false;
+  }
+  return YuvFrameWriterImpl::WriteFrame(frame_buffer);
+}
+
+}  // namespace test
+}  // namespace webrtc