Move src/ -> webrtc/

TBR=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/915006

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@2963 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/test/testsupport/frame_reader.cc b/test/testsupport/frame_reader.cc
new file mode 100644
index 0000000..b05ea58
--- /dev/null
+++ b/test/testsupport/frame_reader.cc
@@ -0,0 +1,81 @@
+/*
+ *  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 "testsupport/frame_reader.h"
+
+#include <cassert>
+
+#include "testsupport/fileutils.h"
+
+namespace webrtc {
+namespace test {
+
+FrameReaderImpl::FrameReaderImpl(std::string input_filename,
+                                 int frame_length_in_bytes)
+    : input_filename_(input_filename),
+      frame_length_in_bytes_(frame_length_in_bytes),
+      input_file_(NULL) {
+}
+
+FrameReaderImpl::~FrameReaderImpl() {
+  Close();
+}
+
+bool FrameReaderImpl::Init() {
+  if (frame_length_in_bytes_ <= 0) {
+    fprintf(stderr, "Frame length must be >0, was %d\n",
+            frame_length_in_bytes_);
+    return false;
+  }
+  input_file_ = fopen(input_filename_.c_str(), "rb");
+  if (input_file_ == NULL) {
+    fprintf(stderr, "Couldn't open input file for reading: %s\n",
+            input_filename_.c_str());
+    return false;
+  }
+  // Calculate total number of frames.
+  size_t source_file_size = GetFileSize(input_filename_);
+  if (source_file_size <= 0u) {
+    fprintf(stderr, "Found empty file: %s\n", input_filename_.c_str());
+    return false;
+  }
+  number_of_frames_ = source_file_size / frame_length_in_bytes_;
+  return true;
+}
+
+void FrameReaderImpl::Close() {
+  if (input_file_ != NULL) {
+    fclose(input_file_);
+    input_file_ = NULL;
+  }
+}
+
+bool FrameReaderImpl::ReadFrame(WebRtc_UWord8* source_buffer) {
+  assert(source_buffer);
+  if (input_file_ == NULL) {
+    fprintf(stderr, "FrameReader is not initialized (input file is NULL)\n");
+    return false;
+  }
+  size_t nbr_read = fread(source_buffer, 1, frame_length_in_bytes_,
+                          input_file_);
+  if (nbr_read != static_cast<unsigned int>(frame_length_in_bytes_) &&
+      ferror(input_file_)) {
+    fprintf(stderr, "Error reading from input file: %s\n",
+            input_filename_.c_str());
+    return false;
+  }
+  if (feof(input_file_) != 0) {
+    return false;  // No more frames to process.
+  }
+  return true;
+}
+
+}  // namespace test
+}  // namespace webrtc