Line data    Source code

       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 "webrtc/modules/audio_device/dummy/file_audio_device_factory.h"
      12             : 
      13             : #include <cstdlib>
      14             : #include <cstring>
      15             : 
      16             : #include "webrtc/base/logging.h"
      17             : #include "webrtc/modules/audio_device/dummy/file_audio_device.h"
      18             : 
      19             : namespace webrtc {
      20             : 
      21             : bool FileAudioDeviceFactory::_isConfigured = false;
      22             : char FileAudioDeviceFactory::_inputAudioFilename[MAX_FILENAME_LEN] = "";
      23             : char FileAudioDeviceFactory::_outputAudioFilename[MAX_FILENAME_LEN] = "";
      24             : 
      25           0 : FileAudioDevice* FileAudioDeviceFactory::CreateFileAudioDevice(
      26             :     const int32_t id) {
      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           0 :   if (!_isConfigured) {
      30           0 :     LOG(LS_WARNING) << "WebRTC configured with WEBRTC_DUMMY_FILE_DEVICES but "
      31             :                     << "no device files supplied. Will fall back to dummy "
      32           0 :                     << "audio.";
      33             : 
      34           0 :     return nullptr;
      35             :   }
      36           0 :   return new FileAudioDevice(id, _inputAudioFilename, _outputAudioFilename);
      37             : }
      38             : 
      39           0 : void FileAudioDeviceFactory::SetFilenamesToUse(
      40             :     const char* inputAudioFilename, const char* outputAudioFilename) {
      41             : #ifdef WEBRTC_DUMMY_FILE_DEVICES
      42             :   assert(strlen(inputAudioFilename) < MAX_FILENAME_LEN &&
      43             :          strlen(outputAudioFilename) < MAX_FILENAME_LEN);
      44             : 
      45             :   // Copy the strings since we don't know the lifetime of the input pointers.
      46             :   strncpy(_inputAudioFilename, inputAudioFilename, MAX_FILENAME_LEN);
      47             :   strncpy(_outputAudioFilename, outputAudioFilename, MAX_FILENAME_LEN);
      48             :   _isConfigured = true;
      49             : #else
      50             :   // Sanity: must be compiled with the right define to run this.
      51             :   printf("Trying to use dummy file devices, but is not compiled "
      52           0 :          "with WEBRTC_DUMMY_FILE_DEVICES. Bailing out.\n");
      53           0 :   std::exit(1);
      54             : #endif
      55             : }
      56             : 
      57             : }  // namespace webrtc