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/*
* 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
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