| 1 | /* |
|---|---|
| 2 | Copyright 2018 Google Inc. All Rights Reserved. |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS-IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "graph/buffered_source_node.h" |
| 18 | |
| 19 | #include "base/constants_and_types.h" |
| 20 | #include "base/logging.h" |
| 21 | |
| 22 | namespace vraudio { |
| 23 | |
| 24 | BufferedSourceNode::BufferedSourceNode(SourceId source_id, size_t num_channels, |
| 25 | size_t frames_per_buffer) |
| 26 | : source_id_(source_id), |
| 27 | input_audio_buffer_(num_channels, frames_per_buffer), |
| 28 | new_buffer_flag_(false) { |
| 29 | input_audio_buffer_.Clear(); |
| 30 | } |
| 31 | |
| 32 | AudioBuffer* BufferedSourceNode::GetMutableAudioBufferAndSetNewBufferFlag() { |
| 33 | new_buffer_flag_ = true; |
| 34 | return &input_audio_buffer_; |
| 35 | } |
| 36 | |
| 37 | const AudioBuffer* BufferedSourceNode::AudioProcess() { |
| 38 | if (!new_buffer_flag_) { |
| 39 | return nullptr; |
| 40 | } |
| 41 | new_buffer_flag_ = false; |
| 42 | input_audio_buffer_.set_source_id(source_id_); |
| 43 | return &input_audio_buffer_; |
| 44 | } |
| 45 | |
| 46 | } // namespace vraudio |
| 47 |