output_wav_file.h (1498B)
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_WAV_FILE_H_ 12 #define MODULES_AUDIO_CODING_NETEQ_TOOLS_OUTPUT_WAV_FILE_H_ 13 14 #include <cstddef> 15 #include <cstdint> 16 17 #include "absl/strings/string_view.h" 18 #include "common_audio/wav_file.h" 19 #include "modules/audio_coding/neteq/tools/audio_sink.h" 20 21 namespace webrtc { 22 namespace test { 23 24 class OutputWavFile : public AudioSink { 25 public: 26 // Creates an OutputWavFile, opening a file named `file_name` for writing. 27 // The output file is a PCM encoded wav file. 28 OutputWavFile(absl::string_view file_name, 29 int sample_rate_hz, 30 int num_channels = 1) 31 : wav_writer_(file_name, sample_rate_hz, num_channels) {} 32 33 OutputWavFile(const OutputWavFile&) = delete; 34 OutputWavFile& operator=(const OutputWavFile&) = delete; 35 36 bool WriteArray(const int16_t* audio, size_t num_samples) override { 37 wav_writer_.WriteSamples(audio, num_samples); 38 return true; 39 } 40 41 private: 42 WavWriter wav_writer_; 43 }; 44 45 } // namespace test 46 } // namespace webrtc 47 #endif // MODULES_AUDIO_CODING_NETEQ_TOOLS_OUTPUT_WAV_FILE_H_