Revert of Move FilePlayer and FileRecorder to Voice Engine

webrtc/modules/utility/source/file_player_unittests.cc

Index: webrtc/modules/utility/source/file_player_unittests.cc
diff --git a/webrtc/modules/utility/source/file_player_unittests.cc b/webrtc/modules/utility/source/file_player_unittests.cc
new file mode 100644
index 0000000000000000000000000000000000000000..58471e5e8d084ee7f4d88181165e5f5235671776
--- /dev/null
+++ b/webrtc/modules/utility/source/file_player_unittests.cc
@@ -0,0 +1,116 @@
+/*
+ *  Copyright (c) 2014 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.
+ */
+
+// Unit tests for FilePlayer.
+
+#include "webrtc/modules/utility/include/file_player.h"
+
+#include <stdio.h>
+#include <string>
+
+#include "gflags/gflags.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "webrtc/base/md5digest.h"
+#include "webrtc/base/stringencode.h"
+#include "webrtc/test/testsupport/fileutils.h"
+
+DEFINE_bool(file_player_output, false, "Generate reference files.");
+
+namespace webrtc {
+
+class FilePlayerTest : public ::testing::Test {
+ protected:
+  static const uint32_t kId = 0;
+  static const FileFormats kFileFormat = kFileFormatWavFile;
+  static const int kSampleRateHz = 8000;
+
+  FilePlayerTest()
+      : player_(FilePlayer::CreateFilePlayer(kId, kFileFormat)),
+        output_file_(NULL) {}
+
+  void SetUp() override {
+    if (FLAGS_file_player_output) {
+      std::string output_file =
+          webrtc::test::OutputPath() + "file_player_unittest_out.pcm";
+      output_file_ = fopen(output_file.c_str(), "wb");
+      ASSERT_TRUE(output_file_ != NULL);
+    }
+  }
+
+  void TearDown() override {
+    if (output_file_)
+      fclose(output_file_);
+  }
+
+  ~FilePlayerTest() { FilePlayer::DestroyFilePlayer(player_); }
+
+  void PlayFileAndCheck(const std::string& input_file,
+                        const std::string& ref_checksum,
+                        int output_length_ms) {
+    const float kScaling = 1;
+    ASSERT_EQ(0,
+              player_->StartPlayingFile(
+                  input_file.c_str(), false, 0, kScaling, 0, 0, NULL));
+    rtc::Md5Digest checksum;
+    for (int i = 0; i < output_length_ms / 10; ++i) {
+      int16_t out[10 * kSampleRateHz / 1000] = {0};
+      size_t num_samples;
+      EXPECT_EQ(0,
+                player_->Get10msAudioFromFile(out, num_samples, kSampleRateHz));
+      checksum.Update(out, num_samples * sizeof(out[0]));
+      if (FLAGS_file_player_output) {
+        ASSERT_EQ(num_samples,
+                  fwrite(out, sizeof(out[0]), num_samples, output_file_));
+      }
+    }
+    char checksum_result[rtc::Md5Digest::kSize];
+    EXPECT_EQ(rtc::Md5Digest::kSize,
+              checksum.Finish(checksum_result, rtc::Md5Digest::kSize));
+    EXPECT_EQ(ref_checksum,
+              rtc::hex_encode(checksum_result, sizeof(checksum_result)));
+  }
+
+  FilePlayer* player_;
+  FILE* output_file_;
+};
+
+#if defined(WEBRTC_IOS)
+#define MAYBE_PlayWavPcmuFile DISABLED_PlayWavPcmuFile
+#else
+#define MAYBE_PlayWavPcmuFile PlayWavPcmuFile
+#endif
+TEST_F(FilePlayerTest, MAYBE_PlayWavPcmuFile) {
+  const std::string kFileName =
+      test::ResourcePath("utility/encapsulated_pcmu_8khz", "wav");
+  // The file is longer than this, but keeping the output shorter limits the
+  // runtime for the test.
+  const int kOutputLengthMs = 10000;
+  const std::string kRefChecksum = "c74e7fd432d439b1311e1c16815b3e9a";
+
+  PlayFileAndCheck(kFileName, kRefChecksum, kOutputLengthMs);
+}
+
+#if defined(WEBRTC_IOS)
+#define MAYBE_PlayWavPcm16File DISABLED_PlayWavPcm16File
+#else
+#define MAYBE_PlayWavPcm16File PlayWavPcm16File
+#endif
+TEST_F(FilePlayerTest, MAYBE_PlayWavPcm16File) {
+  const std::string kFileName =
+      test::ResourcePath("utility/encapsulated_pcm16b_8khz", "wav");
+  // The file is longer than this, but keeping the output shorter limits the
+  // runtime for the test.
+  const int kOutputLengthMs = 10000;
+  const std::string kRefChecksum = "e41d7e1dac8aeae9f21e8e03cd7ecd71";
+
+  PlayFileAndCheck(kFileName, kRefChecksum, kOutputLengthMs);
+}
+
+}  // namespace webrtc