Revert of Add optional visualization file writers to VideoProcessor tests.

webrtc/test/testsupport/frame_writer.cc

+/*
+ *  Copyright (c) 2011 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 "webrtc/test/testsupport/frame_writer.h"
+
+#include <assert.h>
+
+namespace webrtc {
+namespace test {
+
+FrameWriterImpl::FrameWriterImpl(std::string output_filename,
+                                 size_t frame_length_in_bytes)
+    : output_filename_(output_filename),
+      frame_length_in_bytes_(frame_length_in_bytes),
+      output_file_(NULL) {
+}
+
+FrameWriterImpl::~FrameWriterImpl() {
+  Close();
+}
+
+bool FrameWriterImpl::Init() {
+  if (frame_length_in_bytes_ <= 0) {
+    fprintf(stderr, "Frame length must be >0, was %zu\n",
+            frame_length_in_bytes_);
+    return false;
+  }
+  output_file_ = fopen(output_filename_.c_str(), "wb");
+  if (output_file_ == NULL) {
+    fprintf(stderr, "Couldn't open output file for writing: %s\n",
+            output_filename_.c_str());
+    return false;
+  }
+  return true;
+}
+
+void FrameWriterImpl::Close() {
+  if (output_file_ != NULL) {
+    fclose(output_file_);
+    output_file_ = NULL;
+  }
+}
+
+size_t FrameWriterImpl::FrameLength() { return frame_length_in_bytes_; }
+
+bool FrameWriterImpl::WriteFrame(uint8_t* frame_buffer) {
+  assert(frame_buffer);
+  if (output_file_ == NULL) {
+    fprintf(stderr, "FrameWriter is not initialized (output file is NULL)\n");
+    return false;
+  }
+  size_t bytes_written = fwrite(frame_buffer, 1, frame_length_in_bytes_,
+                                output_file_);
+  if (bytes_written != frame_length_in_bytes_) {
+    fprintf(stderr, "Failed to write %zu bytes to file %s\n",
+            frame_length_in_bytes_, output_filename_.c_str());
+    return false;
+  }
+  return true;
+}
+
+}  // namespace test
+}  // namespace webrtc