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 AUDIO_DEVICE_FILE_AUDIO_DEVICE_FACTORY_H_ 12 #define AUDIO_DEVICE_FILE_AUDIO_DEVICE_FACTORY_H_ 13 14 #include <stdint.h> 15 16 #include "absl/strings/string_view.h" 17 18 namespace webrtc { 19 20 class FileAudioDevice; 21 22 // This class is used by audio_device_impl.cc when WebRTC is compiled with 23 // WEBRTC_DUMMY_FILE_DEVICES. The application must include this file and set the 24 // filenames to use before the audio device module is initialized. This is 25 // intended for test tools which use the audio device module. 26 class FileAudioDeviceFactory { 27 public: 28 static FileAudioDevice* CreateFileAudioDevice(); 29 30 // The input file must be a readable 48k stereo raw file. The output 31 // file must be writable. The strings will be copied. 32 static void SetFilenamesToUse(absl::string_view inputAudioFilename, 33 absl::string_view outputAudioFilename); 34 35 private: 36 enum : uint32_t { MAX_FILENAME_LEN = 512 }; 37 static bool _isConfigured; 38 static char _inputAudioFilename[MAX_FILENAME_LEN]; 39 static char _outputAudioFilename[MAX_FILENAME_LEN]; 40 }; 41 42 } // namespace webrtc 43 44 #endif // AUDIO_DEVICE_FILE_AUDIO_DEVICE_FACTORY_H_ 45