Audio : Add remote submix stream implementation
Bug: 286914845
Test: atest VtsHalAudioCoreTargetTest
Change-Id: Ia477458193ade9068eaf56e953ab670fee53cc7d
diff --git a/audio/aidl/default/r_submix/RemoteSubmixUtils.cpp b/audio/aidl/default/r_submix/RemoteSubmixUtils.cpp
new file mode 100644
index 0000000..2f5d17d
--- /dev/null
+++ b/audio/aidl/default/r_submix/RemoteSubmixUtils.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * 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 <vector>
+
+#include "RemoteSubmixUtils.h"
+
+namespace aidl::android::hardware::audio::core::r_submix {
+
+bool isChannelMaskSupported(const AudioChannelLayout& channelMask) {
+ const static std::vector<AudioChannelLayout> kSupportedChannelMask = {
+ AudioChannelLayout::make<AudioChannelLayout::Tag::layoutMask>(
+ AudioChannelLayout::LAYOUT_MONO),
+ AudioChannelLayout::make<AudioChannelLayout::Tag::layoutMask>(
+ AudioChannelLayout::LAYOUT_STEREO)};
+
+ if (std::find(kSupportedChannelMask.begin(), kSupportedChannelMask.end(), channelMask) !=
+ kSupportedChannelMask.end()) {
+ return true;
+ }
+ return false;
+}
+
+bool isSampleRateSupported(int sampleRate) {
+ const static std::vector<int> kSupportedSampleRates = {8000, 11025, 12000, 16000, 22050,
+ 24000, 32000, 44100, 48000};
+
+ if (std::find(kSupportedSampleRates.begin(), kSupportedSampleRates.end(), sampleRate) !=
+ kSupportedSampleRates.end()) {
+ return true;
+ }
+ return false;
+}
+
+} // namespace aidl::android::hardware::audio::core::r_submix