1 /* 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_OUTPUT_AUDIO_FILE_H_ 12 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_OUTPUT_AUDIO_FILE_H_ 13 14 #include <assert.h> 15 #include <stdio.h> 16 #include <string> 17 18 #include "webrtc/base/constructormagic.h" 19 #include "webrtc/modules/audio_coding/neteq/tools/audio_sink.h" 20 21 namespace webrtc { 22 namespace test { 23 24 class OutputAudioFile : public AudioSink { 25 public: 26 // Creates an OutputAudioFile, opening a file named |file_name| for writing. 27 // The file format is 16-bit signed host-endian PCM. 28 explicit OutputAudioFile(const std::string& file_name) { 29 out_file_ = fopen(file_name.c_str(), "wb"); 30 } 31 32 virtual ~OutputAudioFile() { 33 if (out_file_) 34 fclose(out_file_); 35 } 36 37 virtual bool WriteArray(const int16_t* audio, size_t num_samples) OVERRIDE { 38 assert(out_file_); 39 return fwrite(audio, sizeof(*audio), num_samples, out_file_) == num_samples; 40 } 41 42 private: 43 FILE* out_file_; 44 45 DISALLOW_COPY_AND_ASSIGN(OutputAudioFile); 46 }; 47 48 } // namespace test 49 } // namespace webrtc 50 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_OUTPUT_AUDIO_FILE_H_ 51
