| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_WEBRTC_HELPERS_H_ |
| #define MEDIA_WEBRTC_HELPERS_H_ |
| |
| #include "base/component_export.h" |
| #include "media/base/audio_bus.h" |
| #include "media/base/audio_parameters.h" |
| #include "third_party/webrtc/modules/audio_processing/include/audio_processing.h" |
| |
| namespace media { |
| |
| COMPONENT_EXPORT(MEDIA_WEBRTC) |
| webrtc::StreamConfig CreateStreamConfig(const AudioParameters& parameters); |
| |
| // Tests whether the audio bus data can be treated as upmixed mono audio: |
| // Returns true if there is at most one channel or if each sample is identical |
| // in the first two channels. |
| COMPONENT_EXPORT(MEDIA_WEBRTC) |
| bool LeftAndRightChannelsAreSymmetric(const AudioBus& audio); |
| |
| } // namespace media |
| |
| #endif // MEDIA_WEBRTC_WEBRTC_HELPERS_H_ |
