| /* |
| * Copyright (c) 2012 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. |
| */ |
| |
| #ifndef WEBRTC_VOICE_ENGINE_OUTPUT_MIXER_INTERNAL_H_ |
| #define WEBRTC_VOICE_ENGINE_OUTPUT_MIXER_INTERNAL_H_ |
| |
| namespace webrtc { |
| |
| class AudioFrame; |
| class PushResampler; |
| |
| namespace voe { |
| |
| // Upmix or downmix and resample the audio in |src_frame| to |dst_frame|. |
| // Expects |dst_frame| to have its |num_channels_| and |sample_rate_hz_| set to |
| // the desired values. Updates |samples_per_channel_| accordingly. |
| // |
| // On failure, returns -1 and copies |src_frame| to |dst_frame|. |
| int RemixAndResample(const AudioFrame& src_frame, |
| PushResampler* resampler, |
| AudioFrame* dst_frame); |
| |
| } // namespace voe |
| } // namespace webrtc |
| |
| #endif // VOICE_ENGINE_OUTPUT_MIXER_INTERNAL_H_ |