audio_coding: remove "main" directory

webrtc/modules/audio_coding/main/test/PCMFile.h

-/*
- *  Copyright (c) 2012 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.
- */
-
-#ifndef WEBRTC_MODULES_AUDIO_CODING_MAIN_TEST_PCMFILE_H_
-#define WEBRTC_MODULES_AUDIO_CODING_MAIN_TEST_PCMFILE_H_
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <string>
-
-#include "webrtc/modules/include/module_common_types.h"
-#include "webrtc/typedefs.h"
-
-namespace webrtc {
-
-class PCMFile {
- public:
-  PCMFile();
-  PCMFile(uint32_t timestamp);
-  ~PCMFile() {
-    if (pcm_file_ != NULL) {
-      fclose(pcm_file_);
-    }
-  }
-
-  void Open(const std::string& filename, uint16_t frequency, const char* mode,
-            bool auto_rewind = false);
-
-  int32_t Read10MsData(AudioFrame& audio_frame);
-
-  void Write10MsData(int16_t *playout_buffer, size_t length_smpls);
-  void Write10MsData(AudioFrame& audio_frame);
-
-  uint16_t PayloadLength10Ms() const;
-  int32_t SamplingFrequency() const;
-  void Close();
-  bool EndOfFile() const {
-    return end_of_file_;
-  }
-  void Rewind();
-  static int16_t ChooseFile(std::string* file_name, int16_t max_len,
-                            uint16_t* frequency_hz);
-  bool Rewinded();
-  void SaveStereo(bool is_stereo = true);
-  void ReadStereo(bool is_stereo = true);
- private:
-  FILE* pcm_file_;
-  uint16_t samples_10ms_;
-  int32_t frequency_;
-  bool end_of_file_;
-  bool auto_rewind_;
-  bool rewinded_;
-  uint32_t timestamp_;
-  bool read_stereo_;
-  bool save_stereo_;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_CODING_MAIN_TEST_PCMFILE_H_