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 #include "modules/audio_device/dummy/file_audio_device_factory.h"
12
13 #include <stdio.h>
14
15 #include <cstdlib>
16
17 #include "modules/audio_device/dummy/file_audio_device.h"
18 #include "rtc_base/logging.h"
19
20 namespace webrtc {
21
22 bool FileAudioDeviceFactory::_isConfigured = false;
23 char FileAudioDeviceFactory::_inputAudioFilename[MAX_FILENAME_LEN] = "";
24 char FileAudioDeviceFactory::_outputAudioFilename[MAX_FILENAME_LEN] = "";
25
CreateFileAudioDevice()26 FileAudioDevice* FileAudioDeviceFactory::CreateFileAudioDevice() {
27 // Bail out here if the files haven't been set explicitly.
28 // audio_device_impl.cc should then fall back to dummy audio.
29 if (!_isConfigured) {
30 RTC_LOG(LS_WARNING)
31 << "WebRTC configured with WEBRTC_DUMMY_FILE_DEVICES but "
32 "no device files supplied. Will fall back to dummy "
33 "audio.";
34
35 return nullptr;
36 }
37 return new FileAudioDevice(_inputAudioFilename, _outputAudioFilename);
38 }
39
SetFilenamesToUse(const char * inputAudioFilename,const char * outputAudioFilename)40 void FileAudioDeviceFactory::SetFilenamesToUse(
41 const char* inputAudioFilename,
42 const char* outputAudioFilename) {
43 #ifdef WEBRTC_DUMMY_FILE_DEVICES
44 RTC_DCHECK_LT(strlen(inputAudioFilename), MAX_FILENAME_LEN);
45 RTC_DCHECK_LT(strlen(outputAudioFilename), MAX_FILENAME_LEN);
46
47 // Copy the strings since we don't know the lifetime of the input pointers.
48 strncpy(_inputAudioFilename, inputAudioFilename, MAX_FILENAME_LEN);
49 strncpy(_outputAudioFilename, outputAudioFilename, MAX_FILENAME_LEN);
50 _isConfigured = true;
51 #else
52 // Sanity: must be compiled with the right define to run this.
53 printf(
54 "Trying to use dummy file devices, but is not compiled "
55 "with WEBRTC_DUMMY_FILE_DEVICES. Bailing out.\n");
56 std::exit(1);
57 #endif
58 }
59
60 } // namespace webrtc
61