file_audio_device_factory.cc

Enable keyboard shortcuts

/*

 *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#include "modules/audio_device/dummy/file_audio_device_factory.h"

#include <stdio.h>

#include <cstdlib>

#include "absl/strings/string_view.h"

#include "modules/audio_device/dummy/file_audio_device.h"

#include "rtc_base/logging.h"

#include "rtc_base/string_utils.h"

namespace webrtc {

bool FileAudioDeviceFactory::_isConfigured = false;

char FileAudioDeviceFactory::_inputAudioFilename[MAX_FILENAME_LEN] = "";

char FileAudioDeviceFactory::_outputAudioFilename[MAX_FILENAME_LEN] = "";

FileAudioDevice* FileAudioDeviceFactory::CreateFileAudioDevice() {

  // Bail out here if the files haven't been set explicitly.

  // audio_device_impl.cc should then fall back to dummy audio.

  if (!_isConfigured) {

    RTC_LOG(LS_WARNING)

        << "WebRTC configured with WEBRTC_DUMMY_FILE_DEVICES but "

           "no device files supplied. Will fall back to dummy "

           "audio.";

    return nullptr;

  return new FileAudioDevice(_inputAudioFilename, _outputAudioFilename);

void FileAudioDeviceFactory::SetFilenamesToUse(

    absl::string_view inputAudioFilename,

    absl::string_view outputAudioFilename) {

#ifdef WEBRTC_DUMMY_FILE_DEVICES

  RTC_DCHECK_LT(inputAudioFilename.size(), MAX_FILENAME_LEN);

  RTC_DCHECK_LT(outputAudioFilename.size(), MAX_FILENAME_LEN);

  // Copy the strings since we don't know the lifetime of the input pointers.

  rtc::strcpyn(_inputAudioFilename, MAX_FILENAME_LEN, inputAudioFilename);

  rtc::strcpyn(_outputAudioFilename, MAX_FILENAME_LEN, outputAudioFilename);

  _isConfigured = true;

#else

  // Sanity: must be compiled with the right define to run this.

  printf(

      "Trying to use dummy file devices, but is not compiled "

      "with WEBRTC_DUMMY_FILE_DEVICES. Bailing out.\n");

  std::exit(1);

#endif

}  // namespace webrtc