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 MODULES_AUDIO_CODING_NETEQ_TOOLS_OUTPUT_AUDIO_FILE_H_ 12 #define MODULES_AUDIO_CODING_NETEQ_TOOLS_OUTPUT_AUDIO_FILE_H_ 13 14 #include <stdio.h> 15 16 #include <string> 17 18 #include "absl/strings/string_view.h" 19 #include "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. OutputAudioFile(absl::string_view file_name)28 explicit OutputAudioFile(absl::string_view file_name) { 29 out_file_ = fopen(std::string(file_name).c_str(), "wb"); 30 } 31 ~OutputAudioFile()32 virtual ~OutputAudioFile() { 33 if (out_file_) 34 fclose(out_file_); 35 } 36 37 OutputAudioFile(const OutputAudioFile&) = delete; 38 OutputAudioFile& operator=(const OutputAudioFile&) = delete; 39 WriteArray(const int16_t * audio,size_t num_samples)40 bool WriteArray(const int16_t* audio, size_t num_samples) override { 41 RTC_DCHECK(out_file_); 42 return fwrite(audio, sizeof(*audio), num_samples, out_file_) == num_samples; 43 } 44 45 private: 46 FILE* out_file_; 47 }; 48 49 } // namespace test 50 } // namespace webrtc 51 #endif // MODULES_AUDIO_CODING_NETEQ_TOOLS_OUTPUT_AUDIO_FILE_H_ 52