1 files changed, 74 insertions, 0 deletions
diff --git a/src/3rdparty/resonance-audio/resonance_audio/base/audio_buffer.cc b/src/3rdparty/resonance-audio/resonance_audio/base/audio_buffer.cc
new file mode 100644
index 000000000..c2ad61510
--- /dev/null
+++ b/src/3rdparty/resonance-audio/resonance_audio/base/audio_buffer.cc
@@ -0,0 +1,74 @@
+/*
+Copyright 2018 Google Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS-IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "base/audio_buffer.h"
+
+namespace vraudio {
+
+AudioBuffer::AudioBuffer() : num_frames_(0), source_id_(kInvalidSourceId) {}
+
+AudioBuffer::AudioBuffer(size_t num_channels, size_t num_frames)
+    : num_frames_(num_frames), source_id_(kInvalidSourceId) {
+
+  InitChannelViews(num_channels);
+}
+
+// Copy assignment from AudioBuffer.
+AudioBuffer& AudioBuffer::operator=(const AudioBuffer& other) {
+  if (this != &other) {
+    num_frames_ = other.num_frames_;
+    source_id_ = other.source_id_;
+    InitChannelViews(other.num_channels());
+    for (size_t i = 0; i < num_channels(); ++i) {
+      channel_views_[i] = other.channel_views_[i];
+    }
+  }
+  return *this;
+}
+
+AudioBuffer::AudioBuffer(AudioBuffer&& other) {
+  num_frames_ = other.num_frames_;
+  other.num_frames_ = 0;
+  data_ = std::move(other.data_);
+  data_size_ = other.data_size_;
+  other.data_size_ = 0;
+  channel_views_ = std::move(other.channel_views_);
+  source_id_ = other.source_id_;
+  other.source_id_ = kInvalidSourceId;
+}
+
+void AudioBuffer::InitChannelViews(size_t num_channels) {
+
+
+  const size_t num_frames_to_next_channel = FindNextAlignedArrayIndex(
+      num_frames_, sizeof(float), kMemoryAlignmentBytes);
+
+  data_size_ = num_channels * num_frames_to_next_channel;
+  data_.resize(data_size_);
+
+  channel_views_.clear();
+  channel_views_.reserve(num_channels);
+
+  float* itr = data_.data();
+
+  for (size_t i = 0; i < num_channels; ++i) {
+    ChannelView new_channel_view(itr, num_frames_);
+    channel_views_.push_back(new_channel_view);
+    itr += num_frames_to_next_channel;
+  }
+}
+
+}  // namespace vraudio